Publications & Presentations

Publications: https://tinyurl.com/rnygaard

1. Galicia KE, Thompson CM, Lewis AE, Joyce CJ, Hill DM, Schneider JC, Nygaard RM, Harrington DM, Holmes JH, Moffatt LT, Shupp JW, Kubasiak JC. American Burn Association (ABA) Burn Care Quality Platform (BCQP) and Large Data Set Analysis Considerations: A Practical Guide to Investigating Clinical Questions in Burns via Large Data Sets. J Burn Care Res. 2023 Jun 21:irad049. doi: 10.1093/jbcr/irad049. Epub ahead of print. PMID: 37339870.

2. Lumbard D, West M, Cich I, Hassan S, Shankar S, Nygaard RM. Pooled Analysis of Level I Trauma Centers Better Predicts Risk Factors for Gun Violence Recidivism. Journal of Surgical Research. Submitted.

3. Lumbard DC, Richardson CJ, Endorf FW, Nygaard RM. Firearm injury is only the beginning: the impact of socioeconomic factors on unplanned readmission after injury. Injury. 2023 Jun 14:110893. doi: 10.1016/j.injury.2023.110893. Epub ahead of print. PMID: 37331896.. 

4. Wibbenmeyer L, Lacey AM, Endorf FW, Logsetty S, Wagner ALL, Gibson ALF, Nygaard RM. American Burn Association Clinical Practice Guidelines on the Treatment of Severe Frostbite. Journal of Burn Care and Research. 2023 Apr 13:irad022. doi: 10.1093/jbcr/irad022. Epub ahead of print. PMID: 37045447.

5. MacArthur TA, Vogel AM, Glasgow AE, Moody S, Kotagal M, Williams RF, ML Kayton, EC Alberto, RS Burd, TJ Schroeppel, JE Baerg, A Munoz, WB Rothstein, LA Boomer, EM Campion, C Robinson, RM Nygaard, CJ Richardson, DI Garcia, CJ Streck, M Gaffley, JK Petty, M Ryan, S Pandya, AM Waters, RT Russell, BK Yorkgitis, J Mull, J Pence, MT Santore, DB Klinkner, ME Cunningham, SD Safford, T Trevilian, C Black, J Rea, AR Jensen, BJ Farr, DP Mooney, B Ketha, MS Dassinger III, A Goldenberg-Sandau, J San Roman, RA Falcone Jr, SF Polites. Crystalloid Volume is Associated with Short Term Morbidity in Children with Severe Traumatic Brain Injury: An EAST  Multicenter Trial Post-Hoc Analysis. J Trauma Acute Care Surg. 2023 Apr 19. doi: 10.1097/TA.0000000000004013. Epub ahead of print. PMID: 37072882.

6. SC Mehl, AM Vogel1, M Kotagal, RF Williams, ML Kayton, EC Alberto, TJ Schroeppel, JE Baerg, L Boomer, EM Champion, RM Nygaard, DI Garcia, M Gaffley, C Greenwell, AM Waters, BK Yorkgitis, J Pence, MT Santore, T MacArthur, SD Stafford, J Rea, BJ Farr, B Ketha, A Goldenberg-Sandau, SF Polites. Prevalence and Outcomes of Low Vs High Ratio Plasma:RBC Resuscitation in a Multi-institutional Cohort of Severely Injured Children. J Trauma Acute Care Surg. Accepted. 

7. Lumbard DC, Nygaard RM, Richardson CJ, Liao LF, Stewart RM, Eastridge BJ, Nicholson SN. Burden of unintentional pediatric firearm injury: an examination of the Nationwide Readmission Database. J Trauma Acute Care Surg. 2023 May 8. doi: 10.1097/TA.0000000000003930. Epub ahead of print. PMID: 37158803.

8. Murphy J, Endorf FW, Winters MK, Rogers C, Walter E, Neumann N, Weber L, Lacey AM, Punjabi G, Nygaard RM. Bleeding Complications in Patients with Severe Frostbite Injury. Journal of Burn Care and Research. J Burn Care Res. 2022 Dec 9:irac180. doi: 10.1093/jbcr/irac180. Epub ahead of print. PMID: 36482743.

9. 2021 American Burn Association State and Future of Burn Science Working Group. Proceedings of the 2021 American Burn Association State and Future of Burn Science Meeting. J Burn Care Res. 2022 Nov 2;43(6):1241-1259. doi: 10.1093/jbcr/irac092. Erratum in: J Burn Care Res. 2022 Oct 01;: PMID: 35988021.

10. Argandykov D, Dorken-Gallastegi A, El Moheb M, Gebran A, Proaño-Zamudio JA, Bokenkamp M, Renne AM, Nepogodiev D, Bhangu A, Kaafarani HMA; COVIDSurg Collaborative [Nygaard RM]. Is perioperative COVID-19 really associated with worse surgical outcomes? A nationwide COVIDSurg propensity-matched analysis. J Trauma Acute Care Surg. 2023 Apr 1;94(4):513-524. doi: 10.1097/TA.0000000000003859. Epub 2023 Jan 19. PMID: 36949053; PMCID: PMC10044588.

11. Diaz JJ, Barnes S, O'Meara L, Sawyer R, May A, Cullinane D, Schroeppel T, Chipman A, Kufera J, Vesselinov R, Zielinski M; MERIDIAN Study Group [Nygaard RM]. Acute Care Surgery and Surgical Rescue: Expanding the Definition. J Am Coll Surg. 2023 Apr 1;236(4):827-835. doi: 10.1097/XCS.0000000000000558. Epub 2023 Jan 12. PMID: 36633328.

12. Raleigh SM, Samson M, Nygaard R, Endorf F, Walter J, Masters T. Bedside Fluorescence Microangiography for Frostbite Diagnosis in the Emergency Department. West J Emerg Med. 2022 Oct 23;23(6):872-877. doi: 10.5811/westjem.2022.8.55020. PMID: 36409932; PMCID: PMC9683761.

13. Geffre M, Kemp S, Nygaard R, Endorf F, Maiser S. Palliative Care Utilization in Burn Patients. J Palliat Med. 2022 Oct 11. doi: 10.1089/jpm.2022.0141. Epub ahead of print. PMID: 36251844.

14. Broome JM, Ali A, Simpson JT, Tran S, Tatum D, Taghavi S, DuBose J, Duchesne J; AORTA Study Group. IMPACT OF TIME TO EMERGENCY DEPARTMENT RESUSCITATIVE AORTIC OCCLUSION AFTER NONCOMPRESSIBLE TORSO HEMORRHAGE. Shock. 2022 Oct 1;58(4):275-279. doi: 10.1097/SHK.0000000000001988. Epub 2022 Sep 6. PMID: 36256624.

15. Laverty RB, Treffalls RN, McEntire SE, DuBose JJ, Morrison JJ, Scalea TM, Moore LJ, Podbielski JM, Inaba K, Piccinini A, Kauvar DS; Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery (AORTA) Investigators. Life over limb: Arterial access-related limb ischemic complications in 48-hour REBOA survivors. J Trauma Acute Care Surg. 2022 Apr 1;92(4):723-728. doi: 10.1097/TA.0000000000003440. PMID: 34789696.

16. Burmeister DM, Supp DM, Clark RA, Tredget EE, Powell  HM, Enkhbaatar P, Bohannon JK, Cancio LC, Hill DM, Nygaard RM. Advantages and Disadvantages of Using Small and Large Animals in Burn Research: Proceedings of the 2021 Research Special Interest Group. Journal of Burn Care and Research. 2022 Jul 2:Online ahead of print. PMID: 35778269.

17. Coward A, Endorf FW, Nygaard RM. Revision Surgery Following Severe Frostbite Injury Compared to Similar Hand and Foot Burns. Journal of Burn Care and Research. 2022 Jun 21. Online ahead of print. PMID:35986492. 

18. Endorf FW, Alapati D, Xiong Y, DiGiandomenico C, Rasimas CS, Rasimas JJ, Nygaard RM. Biopsychosocial Factors Associated with Complications in Patients with Frostbite. Medicine (Baltimore). 2022 Aug 26;101(34):e30211. PMID: 36042625

19. Kramer B, Plitt G, French JC, Nygaard RM, Cassaro S, Edelman DA, Lees JS, Meier A, Joshi ART, Johnson MP, Chavez J, Hope WW, Morrissey S, Lipman JM. A Multi-center Analysis of the Early Impact of Covid-19 on Resident Operative Case Volume. Journal of Surgical Research. 2022 Jun 17;279:208-217. PMID: 35780534. 

20. Lumbard D, Endorf FW, Richardson CJ, Marek AP, Nygaard RM. Firearm trauma: race and insurance influence mortality and discharge disposition. Journal of Trauma and Acute Care Surgery. 2022. PMID: 35609290.

21. Lumbard D, Marek AP, Roetker N, Richardson CJ, Nygaard RM. Association of type of penetrating injury with discharge disposition and mortality in a pediatric population. Pediatric Emergency Care. 2022. PMID: 35358143.

22. Diaz JJ, Zielinski MD, Chipman AM, O'Meara L, Schroeppel T, Cullinane D, Shoultz T, Barnes SL, May AK, Maung AA; MERIDIAN Study Consortium (Nygaard RM). Effect of Antibiotic Duration in Emergency General Surgery Patients with Intra-Abdominal Infection Managed with Open vs Closed Abdomen. J Am Coll Surg. 2022 Apr 1;234(4):419-427. PMID: 35290260.

23. COVIDSurg Collaborative (Nygaard RM). Outcomes and Their State-level Variation in Patients Undergoing Surgery With Perioperative SARS-CoV-2 Infection in the USA: A Prospective Multicenter Study. Ann Surg. 2022 Feb 1;275(2):247-251. PMID: 34793350.

24. Odegard M, Endorf FW, Richardson CJ, Hess DJ, Segura BJ, Nygaard RM. Analysis of Pediatric Sternal Fractures using the Kid’s Inpatient Database. Injury. 2022 Jan 19. PMID: 35078621.

25. Rogers C, Endorf FW, Schmitz K, Fey R, Gayken J, Nygaard RM. The effects of rapid rewarming on tissue salvage in severe frostbite injury. Journal of Burn Care and Research. 2022 Jul 1;43(4):906-911. doi: 10.1093/jbcr/irab218. PMID: 34791315.

26. Endorf FW, Nygaard RM. Socioeconomic and comorbid factors associated with frostbite injury in the United States. J Burn Care Res. 2021 Aug 25:irab162. doi: 10.1093/jbcr/irab162. Epub ahead of print. PMID: 34432022.

27. COVIDSurg Collaborative [Nygaard RM, Endorf FW, Colonna E]; GlobalSurg Collaborative. SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study. Anaesthesia. 2021 Aug 24. doi: 10.1111/anae.15563. Epub ahead of print. PMID: 34428858.

28. COVIDSurg Collaborative [Nygaard RM, Endorf FW, Colonna E]; GlobalSurg Collaborative. Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study. Anaesthesia. 2021 Nov;76(11):1454-1464. doi: 10.1111/anae.15560. Epub 2021 Aug 9. PMID: 34371522.

29. COVIDSurg Collaborative Co-authors [Nygaard RM, Endorf FW, Colonna E]. Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: the COVIDSurg mortality score. Br J Surg. 2021 Jul 6:znab183. doi: 10.1093/bjs/znab183. Epub ahead of print. PMID: 34227657.

30. Endorf FW, Nygaard RM. Social determinants of poor outcomes following frostbite injury: a study of the National Inpatient Sample. J Burn Care Res. 2021 Jun 17:irab115. doi: 10.1093/jbcr/irab115. Epub ahead of print. PMID: 34139760.

31. Nygaard RM, Endorf FW. Hyperbaric oxygen and mortality in burns with inhalation injury: a study of the National Burn Repository. J Burn Care Res. 2021 Jun 9:irab105. doi: 10.1093/jbcr/irab105. Epub ahead of print. PMID: 34105724.

32. COVIDSurg Collaborative, GlobalSurg Collaborative [Nygaard RM, Endorf FW, Colonna E], SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study, British Journal of Surgery, 2021;, znab101, https://doi.org/10.1093/bjs/znab101

33. Endorf FW, Nygaard RM. High Cost and Resource Utilization of Frostbite Readmissions in the United States. J Burn Care Res. 2021 May 16:irab076. doi: 10.1093/jbcr/irab076. Epub ahead of print. PMID: 33993288.

34. COVIDSurg Collaborative; GlobalSurg Collaborative [Nygaard RM, Endorf FW, Colonna E]. Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study. Anaesthesia. 2021 Jun;76(6):748-758. doi: 10.1111/anae.15458. Epub 2021 Mar 9. PMID: 33690889; PMCID: PMC8206995.

35. Lacey AM, Rogers C, Endorf FW, Gayken JR, Schmitz KR, Punjabi GV, Whitley AB, Masters TC, Moore JC, Fey R, Nygaard RM. The Hennepin Protocol – Retrospective analysis of an institutional treatment algorithm for severe frostbite. Journal of Burn Care and Research. 2021 Jan 23. PMID: 33484248. doi: 10.1093/jbcr/irab008 

36. DuBose JJ, Morrison J, Moore LJ, Cannon JW, Seamon MJ, Inaba K, Fox CJ, Moore EE, Feliciano DV, Scalea T; AAST AORTA Study Group [Nygaard RM, Lumbard D, Skaja J, Richardson CJ]. Does Clamshell Thoracotomy Better Facilitate Thoracic Life-Saving Procedures Without Increased Complication Compared with an Anterolateral Approach to Resuscitative Thoracotomy? Results from the American Association for the Surgery of Trauma Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery Registry. J Am Coll Surg. 2020 Dec;231(6):713-719.e1. doi: 10.1016/j.jamcollsurg.2020.09.002. Epub 2020 Sep 16. PMID: 32947036.

37. Manzano-Nunez R, McGreevy D, Orlas CP, García AF, Hörer TM, DuBose J, Ordoñez CA; AAST-AORTA Investigators and the ABOTrauma Registry Group [Nygaard RM, Lumbard D, Skaja J, Richardson CJ]. Outcomes and management approaches of resuscitative endovascular balloon occlusion of the aorta based on the income of countries. World J Emerg Surg. 2020 Oct 12;15(1):57. doi: 10.1186/s13017-020-00337-w. PMID: 33046096; PMCID: PMC7549081.

38. Senekjian L, Birkas Y, Buhavac M, Dayal S, Mukherjee K, Nygaard R, Pierce S, Buaza G, Sperry J, Eriksson E, Leon SM, Kopelman T, Spadafore P, Kopatsis A, Moore F, Taylor A, Colonna A, Enniss T, McCrum M, Nunez J, Young J, Nirula R. Stop flailing: The impact of bicortically displaced rib fractures on pulmonary outcomes in patients with chest trauma - an American Association for the Surgery of Trauma multi-institutional study. J Trauma Acute Care Surg. 2020 Oct;89(4):658-664. doi: 10.1097/TA.0000000000002848. PMID: 32773671.

39. Lumbard DC, Lacey AM, Endorf FW, Gayken JR, Fey RM, Schmitz KR, Deisler RF, Calcaterra D, Prekker M, Nygaard RM. Severe hypothermia and frostbite requiring ECMO and four limb amputations. J Burn Care Res. 2020. [Epub ahead of print] PMID: 32663261 doi: 10.1093/jbcr/iraa113. 

40. Nygaard RM, Endorf FW. Differences in treatment of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis at Burn Centers and Non-Burn Centers. J Burn Care Res. 2020; Jun 4. [Epub ahead of print] PMID: 32498082. doi: 10.1093/jbcr/iraa082. 

41. COVIDSurg Collaborative [Nygaard RM, Colonna E, Endorf FW]. Mortality and Pulmonary Complications in Patients Undergoing Surgery with Perioperative SARS-COV-2 Infection: An International Cohort Study. Lancet. 2020; May 29. [Epub ahead of print] PMID:32479829. doi:10.1016/S0140-6736(20)31182-X.

42. Polites SF, Moody S, Williams RF, Kayton ML, Alberto EC, Burd RS, Schroeppel TJ, Baerg JE, Munoz A, Rothstein WB, Boomer LA, Campion EM, Robinson C, Nygaard RM, Richardson CJ, Garcia DI, Streck CJ, Gaffley M, Petty JK, Greenwell C, Pandya S, Waters AM, Russell RT, Yorkgitis BK, Mull J, Pence J, Santore MT, MacArthur T, Klinkner DB, Safford SD, Trevilian T, Vogel AM, Cunningham M, Black C, Rea J, Spurrier RG, Jensen AR, Farr BJ, Mooney DP, Ketha B, Dassinger MS 3rd, Goldenberg-Sandau A, Roman JS, Jenkins TM, Falcone RA Jr. Timing and volume of crystalloid and blood products in pediatric trauma: An Eastern Association for the Surgery of Trauma multicenter prospective observational study. J Trauma Acute Care Surg. 2020;89(1):36-42. PMID: 32251263. doi:10.1097/TA.0000000000002702

43. Petrun BM, Christie R, Nygaard RM, Israni A, Hill MJ, Richardson CJ, Stahler PA. Graft survival of fourth-time renal transplant recipients is similar to third-time recipients: A SRTR database analysis [published online ahead of print, 2020 Apr 17]. Clin Transplant. 2020;e13884. PMID: 32301524. doi:10.1111/ctr.13884 

44. Holl E, Marek AP, Nygaard RM, Richardson CJ, Hess D. Use of Chest Computed Tomography for Blunt Pediatric Chest Trauma: Does It Change Clinical Course?. Pediatr Emerg Care. 2020;36(2):81-86. PMID: 31904738. doi:10.1097/PEC.0000000000002040

45. Madans AR, Zera RT, Nygaard RM. The effect of language barriers on variation and receipt of early stage breast cancer treatment. Journal of Health Disparities Research and Practice. 2019. Vol. 12 : Iss. 3 , Article 5. Available at: https://digitalscholarship.unlv.edu/jhdrp/vol12/iss3/5

46. Cook A, Hu C, Ward J, Schultz S, Moore III FO, Funk G, Juern J, Turay D, Ahmad S, Pieri P, Allen S, Berne J. and for the AAST Antibiotics in Tube Thoracostomy Study Group [Nygaard RM  & Richardson CJ]. Presumptive antibiotics in tube thoracostomy for traumatic hemopneumothorax: a prospective, Multicenter American Association for the Surgery of Trauma Study. Trauma Surgery & Acute Care Open. 2019 Nov 1;4(1) :e000356. PMID:31799417. doi: 10.1136/tsaco-2019-000356. 

47. Goerke D, Zolfaghari E, Marek AP, Endorf FW, Nygaard RM. Incidence and Profile of Severe Cycling Injuries After Bikeway Infrastructure Changes. J Community Health. 2020 Jun;45(3):542-549. PMID: 31686373. doi: 10.1007/s10900-019-00773-z.

48. Nygaard RM, Lacey AM, Heuer E, Berres M, Endorf F. Impact of the Affordable Care Act on an urban burn center. Journal of Health Care for the Poor and Underserved.  2019;30(4):1407-1418. PMID: 31680105. doi: 10.1353/hpu.2019.0096.

49. Fabbri K, Anderson Haag T, Spenningsby A, Israni A, Nygaard RM, Stahler P. Marijuana use should not preclude consideration for kidney transplantation. Clinical Transplantation. 2019; Sept 9:e13706. PMID: 31498490. doi: 10.111/ctr.13706. 

50. Nygaard RM, Endorf FW. Nonmedical Factors Influencing Early Deaths in Burns: a Study of the National Burn Repository. Journal of Burn Care and Research. 2019; Aug 17. PMID: 31420652. doi: 10.1093/jbcr/irz139. 

51. Lacey AM, Fey RM, Gayken JR, Endorf FW, Schmitz KR, Punjabi GV, Masters TC, Nygaard RM. Microangiography: An alternative tool for assessing severe frostbite injury. Journal of Burn Care and Research. 2019; Aug 14, 40(5):566-569. PMID: 31298700. doi: 10.1093/jbcr/irz112.

52. Payne RE, Nygaard RM, Joss FD, Sahgal P, Richardson CJ, Bashir M, Paragh K, Vardas PN, Suzuki Y, Corvera J, Calcaterra D. Blunt aortic injuries in the new era: polytrauma risk assessment dictates management strategy. European Journal of Trauma and Emergency Surgery. 2019; Jun 21. PMID: 31227849. doi: 10.1007/s00068-019-01163-9.

53. Marek AP, Nygaard RM, Liang E, Roetker NS, DeLaquil M, Gregorich S, Richardson CJ, Van Camp J. The association between sleep, call responsibilities, supervised exercise, and burnout in a resident cohort. BMC Medical Education. 2019 May 21;19(1):158. PMID: 31113435. doi: 10.1186/s12909-019-1592-0.

54. Zhang AJ, Nygaard RM, Endorf FW, Hylwa SA. Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis: Retrospective Review of 10-year Experience. International Journal of Dermatology. 2019; Mar 1:epub ahead of print. PMID: 30825193. doi: 10.111/ijd.14409.

55. Bauman BD, Louiselle A, Nygaard RM, Vakayil V, Acton R, Hess D, Saltzman D, Kreykes N, Fisher G, Louie J, Segura S. Treatment of Hypothermic Cardiac Arrest in the Pediatric Drowning Victim, a Case Report, and Systematic Review. Pediatric Emergency Care. 2019; Jan 29:epub ahead of print. PMID: 30702645. doi: 10.1097/PEC.0000000000001735. 

56. Fakhry SM, Allawi A, Ferguson PL, Michetti CP, Newcomb AB, Liu C, Brownstein MR, and the EAST SBP Multi-Center Study Group (Nygaard RM and Marek AP). Blunt Small Bowel Perforation (SBP): A Multicenter Update 15 years later. Journal of Trauma and Acute Care Surgery. 2019; Jan 10:epub ahead of print. PMID: 30633100. doi: 10.1097/TA.0000000000002176.

57. Hubbard M, Bin Zahid A, Vonderhaar K, Freeman D, Nygaard RM, Kiragu A, Guillaume D. Prediction of Outcome after traumatic brain injury in children using the head Abbreviated Injury Scale. Brain Injury. 2019; Jan 19:1-6. PMID:30663437. doi: 10.1080/02699052.2019.1566966

58. Nygaard RM and AP Marek. The Affordable Care Act’s Effect on Discharge Disposition of Racial Minority Trauma Patients in the United States. J Racial and Ethnic Health Disparities. 2019;Apr 6(2):427-435. PMID: 30430461. doi: 10.1007/s40615-018-00540-1

59. Leach PK, Nygaard RM, Chipman JG, Brunsvold ME, Marek AP. Impostor Phenomenon and Burnout in General Surgeons and General Surgery Residents. Journal of Surgical Education. 2019; Jan – Feb 76(1):99-106. Pii:S1931-7204(18)30258-7. PMID: 30122638. doi: 10.1016/j.jsurg.2018.06.025

60. DuBose J, Fabian T, Bee T, Moore LJ, Holcomb JB, Brenner M, Skarupa D, Inaba K, Rasmussen TE, Turay D, Scalea TM; and the AAST AORTA Study Group (Nygaard RM). Contemporary Utilization of Resuscitative Thoracotomy: Results From the AAST Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery (AORTA) Multicenter Registry. Shock. 2018 Oct;50(4):414-420. PMID: 29280925. doi: 10.1097/SHK.0000000000001091.

61. Nygaard RM, Endorf FW. Frostbite Versus Burns: Increased Cost of Care and Use of Hospital Resources. Journal of Burn Care and Research. 2018; 39(5): 676-79. PMID: 29917086. doi: 10.1093/jbcr/iry033

62. Marek AP, Nygaard RM, Cohen EM, Polites SF, Sirany AME, Wildenberg SE, Elsbernd TA, Murphy S, Potter DD, Zielinski MD, Richardson CJ. Rural versus Urban Pediatric Non-accidental Trauma - Different Patients, Similar Outcomes. BMC Res Notes. 2018 Jul 28; 11(1):519. PMID: 30055647. doi: 10.1186/s13104-018-3639-4

63. Nunn A, Prakash P, Inaba K, Escalante A, Maher Z, Yamaguchi S, Kim DY, Maciel J, Chiu WC, Drumheller B, Hazelton JP, Mukherjee K, M Luo-Owen X, Nygaard RM, Marek AP, Morse BC, Fitzgerald CA, Bosarge PL, Jawa RS, Rowell SE, Magnotti LJ, Ong AW, Brahmbhatt TS, Grossman MD, Seamon MJ. Occupational Exposure During Emergency Department Thoracotomy: A Prospective, Multi-Institution Study. J Trauma Acute Care Surg. 2018 Jul; 85(1):78-84. PMID: 29664893. doi: 10.1097/TA.0000000000001940

64. Polites SF, Nygaard RM, Reddy PN, Zielinski MD, Richardson CJ, Elsbernd T, Petrun BM, Weinberg SL, Murphy S, Potter DD, Klinkner DB, Moir C. Multicenter Study Of Crystalloid Boluses And Transfusion In Pediatric Trauma- When To Go To Blood?. J Trauma Acute Care Surg. 2018 Jul; 85(1):108-112. PMID: 29538238. doi: 10.1097/TA.0000000000001897

65. Nygaard RM, Gayken JR, Endorf FW. Influence of insurance status on hospital length of stay and discharge location in burn patients. American Surgeon. 2018 Jun 1; 84(6):924-929. PMID: 29981626.

66. Ferrada P; Callcut R; Skarupa D; Duane T; Garcia A; Inaba K; Khor D; Anto V; Sperry J; Turay D; Nygaard RM; Schreiber M; Enniss T; Mcnutt M; Phelan H; Smith K; Moore F; Dubose J. The A, B, Cs of Trauma Do We Have the Orders of the Factors Backwards? Circulation First: An American Association for the Surgery of Trauma Multicenter Trial. World J Emergency Surgery. 2018. Feb;13(8). PMID: 29441123. doi: 10.1186/s13017-018-0168-3

67. Brenner M, Inaba K, Aiolfi A, DuBose J, Fabian T, Bee T, Holcomb JB, Moore L, Skarupa D, Scalea TM; AAST AORTA Study Group (Nygaard RM). Resuscitative Endovascular Balloon Occlusion of the Aorta and Resuscitative Thoracotomy in Select Patients with Hemorrhagic Shock: Early Results from the American Association for the Surgery of Trauma's Aortic Occlusion in Resuscitation for Trauma and Acute Care Surgery Registry. J Am Coll Surg. 2018. May;226(5):730-740. PMID: 29421694. Doi: 10.1016/j.jamcollsurg.2018.01.044

68. Nygaard RM and Endorf FW. Frostbite in the United States: An Examination of the National Burn Repository and National Trauma Data Bank. J Burn Care Res. 2018 Aug 17;39(5):780-5. PMID: 29931369. doi: 10.1093/jbcr/irx048

69. Marek AP, Morancy JD, Chipman JG, Nygaard RM, Roach RM, Loor MM. Long-term functional outcome after thoracic and lumbar spine fractures. Am Surg. 2018 Jan 1;84(1):20-27. PMID:  29428017

70. Dole M, Endorf FW, Gayken J, Fey R, Nygaard RM. Early mobilization in lower extremity frostbite injury: preliminary experience at a single burn center. J Burn Care Res. 2018 April 20;39(3):339-44. PMID: 28570307. doi: 10.1097/BCR.0000000000000590

71. Masters T, Omodt S, Gayken J, Logue C, Westgard B, Hendricksen S, Walter J, Nygaard R. Microangiography to monitor treatment outcomes following severe frostbite injury to the hands. J Burn Care Res. 2018; 39(1):162-7. PMID: 28328661. doi: 10.1097/BCR.0000000000000526

72. Whitley A, Nygaard RM, Endorf F. Reduction of Pressure-Related Complications with an Improved Method of Securing Endotracheal Tubes in Burn Patients with Facial Burns. J Burn Care Res. 2018;39(1):117-20. PMID: 28368915. doi: 10.1097/BCR.0000000000000556

73. Nygaard RM, Marek AP, Daly SR, Van Camp JM. Violent trauma recidivism: Does all violence escalate? Eur J Trauma Emerg Surg. 2018;44(6):851-8). PMID: 28326453. doi: 10.1007/s00068-017-0787-5

74. Nygaard RM, Endorf FW. Patterns of skin substitute use in isolated face and hand burns. Burns. 2017 Oct;1(2)63-66. https://doi.org/10.1016/j.burnso.2017.07.003

75. Nygaard RM, Endorf FW. Effects of demographic and socioeconomic factors on the use of skin substitutes in burn patients. Burns. 2017 Oct;1(2)59-62. https://doi.org/10.1016/j.burnso.2017.07.002

76. Nygaard RM, Lacey AM, Lemere A, Dole M, Gayken JR, Lambert Wagner AL, Fey RM. Time Matters in Severe Frostbite: Assessment of Limb/Digit Salvage on the Individual Patient Level. J Burn Care Res. 2017;38(1):53-9. PMID:27606554. DOI: 10.1097/BCR.0000000000000426

77. Scott MF, Khodaverdian RA, Shaheen J, Ney AL, Nygaard RM. Predictors of retained hemothorax after trauma and impact on patient outcomes. Eur J Trauma Emerg Surg. 2017;43(2):179-84. PMID: 26619854. DOI: 10.1007/s00068-015-0604-y

78. Nygaard RM, Sirany AM, Wyman EA, Bodner J, Richardson CJ, Ney AL, Odland MD, Hill MJ. A clinical tool to risk stratify potential kidney transplant recipients and predict severe adverse events. Clinical Transplantation. 2016 Nov;30(11):1494-1500. PMID 27646676. doi: 10.1111/ctr.12848

79. Nygaard RM, Whitley AB, Fey RM, Wagner AL. The Hennepin Score: Quantification of Frostbite Management Efficacy. J Burn Care Res. 2016;37(4):E317-22). PMID: 26536540. DOI: 10.1097/BCR.0000000000000277

80. Johnson TJ, Nygaard RM, Cohen EM, Fey RM, Lambert Wagner A. The Impact of Hospital-Acquired MRSA in a Burn Population After Implementation of Universal Decolonization Protocol. J Burn Care. 2016;37(6):e525-30. PMID: 26284644. doi: 10.1097/BCR.0000000000000301

81. Starchook M, Nygaard RM, Zera R. A Case of Fat Necrosis of the Breasts Associated with Central Venous Occlusion Related to Dialysis Access. Breast J. 2015;21(5):549-50. PMID: 26332074. DOI: 10.1111/tbj.12456

82. Nygaard RM, Daly SR, Van Camp JM. General Surgery Resident Case Logs: Do they accurately reflect resident experience?. J Surg Ed. 2015;72(6):e178-83. PMID: 26073716. doi: 10.1016/j.jsurg.2015.04.022

83. Sirany AM, Nygaard RM, Morken JJ. The LIFT Procedure for Anal Fistula: A Mixed bag of Results. Dis Colon Rectum. 2015;58(6):604-12. PMID: 25944433. DOI: 10.1097/DCR.0000000000000374

84. Daly SR, Nygaard RM, Van Camp JM. Impact of Personality, Sex, and Generation on Resident Operative Role. J Surg Res. 2015 Mar;194(1):52-6. PMID: 25488720. DOI: 10.1016/j.jss.2014.11.024

85. Stahler PA, Weese SE, Nygaard RM, Hill MJ, Richardson CJ, Larson SM, Gunderson S, Quickel RR. Honoring Patients’ Organ Donation Decisions When Family Conflict is Present: Experience from a Single Organ Procurement Organization. J Trauma Acute Care Surg. 2014 Oct;77(4):555-8. PMID: 25250593. DOI: 10.1097/TA.0000000000000417

86. Wyman EA, Nygaard RM, Richardson CJ, Quickel RR. Percutaneous Endoscopic Gastrostomy after Trauma Celiotomy. Is it Safe?. J Surg Res. 2014 Dec;192(2):607-10. PMID: 25064276. DOI: 10.1016/j.jss.2014.06.021

87. Marek AP, Deisler RF, Sutherland JB, Punjabi G, Portillo A, Krook J., Richardson CJ, Nygaard RM, Ney AL. CT Scan-detected Pneumoperitoneum: An Unreliable Predictor of Intra-abdominal Injury in Blunt Trauma. Injury. 2014 Jan;45(1):116-21. PMID: 24041430. DOI: 10.1016/j.injury.2013.08.017

88. Gaddie K, Montgomery C, Murphy S, Gorlin J, Miller MB, Anderson B, Nygaard RM, Richardson CJ, Ney AL. Management of Bloodless Surgery in a Trauma Setting: Balancing Patient Wishes with Patient Safety. Minn Med. 2013;96(6):49-51. PMID: 23862373.

89. Nygaard RM, Lahti LA, Boehme KW, Ikizler M, Doyle JD, Dermody TA, Schiff LA. Genetic Determinants of Reovirus Pathogenesis in a Murine Model of Respiratory Infection. Journal of Virology. 2013;87(16):9279-89. PMID: 23760238. doi: 10.1128/JVI.00182-13

90. Nygaard RM, Golden JW, Schiff LA. Impact of Host Proteases on Respiratory Reovirus Infection. Journal of Virology. 2012;86(2):1238-43. PMID: 22072772. DOI: 10.1128/JVI.06429-11

Presentations

Peer-reviewed Oral Presentations at Professional Meetings, Conferences, etc.

1. Chung T, Nygaard RM, Lumbard DC. Discharges against medical advice following penetrating trauma: a level 1 trauma center retrospective study. Region V COT 2022

2. Nygaard RM. Frostbite – moving forward at a glacial speed. Midwestern Burn Conference (1 hour). Kansas City, MO. October 2022.

3. Lumbard DC, Nygaard RM, Richardson CJ, Liao LF, Stewart RM, Eastridge BJ, Nicholson SN. Burden of unintentional pediatric firearm injury: an examination of the Nationwide Readmission Database. PTS Nov 2022.

4. Lumbard DC, Richardson CJ, Endorf FW, Nygaard RM. Firearm injury is only the beginning: the impact of socioeconomic factors on unplanned readmission after injury. AAST Sept 2022

5. Lumbard D, Nygaard RM, Richardson CJ, Liao L, Stewart R, Eastridge B, Nicholson S. Beyond surviving initial firearm injury: unplanned readmission after pediatric unintentional firearm injury. Bradley J Aust Society 2022.

6. MacArthur TA, Vogel AM, Glasgow AE, Moody S, Kotagal M, Williams RF, ML Kayton, EC Alberto, RS Burd, TJ Schroeppel, JE Baerg, A Munoz, WB Rothstein, LA Boomer, EM Campion, C Robinson, RM Nygaard, CJ Richardson, DI Garcia, CJ Streck, M Gaffley, JK Petty, M Ryan, S Pandya, AM Waters, RT Russell, BK Yorkgitis, J Mull, J Pence, MT Santore, DB Klinkner, ME Cunningham, SD Safford, T Trevilian, C Black, J Rea, AR Jensen, BJ Farr, DP Mooney, B Ketha, MS Dassinger III, A Goldenberg-Sandau, J San Roman, RA Falcone Jr, SF Polites. Crystalloid Volume is Associated with Short Term Morbidity in Children with Severe Traumatic Brain Injury: An EAST  Multicenter Trial Post-Hoc Analysis. EAST 2023 

7. SC Mehl, AM Vogel1, M Kotagal, RF Williams, ML Kayton, EC Alberto, TJ Schroeppel, JE Baerg, L Boomer, EM Champion, RM Nygaard, DI Garcia, M Gaffley, C Greenwell, AM Waters, BK Yorkgitis, J Pence, MT Santore, T MacArthur, SD Stafford, J Rea, BJ Farr, B Ketha, A Goldenberg-Sandau, SF Polites. Prevalence and Outcomes of Low Vs High Ratio Plasma:RBC Resuscitation in a Multi-institutional Cohort of Severely Injured Children. Pediatric Trauma Society Conference. Portland, OR. November 2022.

8. Lumbard DC, Richardson CJ, Endorf FW, Nygaard RM. Readmissions Following Assault-Related Firearm Injury: An Examination of The National Readmission Database. AAST. Chicaco, IL. September 2022.

9. Coward A, Endorf FW, Nygaard RM. Revision Surgery following severe frostbite injury compared to similar hand and foot burns. American Burn Association. Las Vegas, Nevada. April 2022. 

10. Murphy J, Winters MK, Rogers C, Walter E, Neumann N, Weber L, Lacey AM, Punjabi G, Endorf FW, Nygaard RM. Defining Bleeding Characteristics in Frostbite Patients Managed with thrombolytics. American Burn Association. Las Vegas, Nevada. April 2022. *Best in Category Poster Award. 

11. Lumbard DC, Nygaard RM, Richardson CJ, Nicholson S. Burden of Unintentional Pediatric Firearm Injury: An Examination of the National Readmission Database. Texas Acute Care Surgery Conference. February 2022.

12. Lumbard DC, Richardson CJ, Endorf FW, Nygaard RM. Readmissions Following Assault-Related Firearm Injury: An Examination of The National Readmission Database. Region 5 Committee on Trauma Conference. Minneapolis, MN. December 2021. 

13. Boerner M, Nygaard RM, Punjabi G, Zera RT. Electric Scooter Injury Patterns and Severity in Minneapolis. Minnesota Surgical Society. October 2021 [virtual meeting]. 

14. Lumbard DC, Richardson CJ, Endorf FW, Nygaard RM. Readmissions Following Assault-Related Firearm Injury: An Examination of The National Readmission Database. Minnesota Committee on Trauma Conference. October 2021. [virtual meeting] *paper competition winner

15. Lumbard DC, Nygaard RM, Richardson CJ, Nicholson S. Burden of Unintentional Pediatric Firearm Injury: An Examination of the National Readmission Database. Texas Committee on Trauma Conference. November 2021. 

16. Nygaard RM, Endorf FW. Hyperbaric oxygen and mortality in burns with inhalation injury: a study of the National Burn Repository. American Burn Association [virtual meeting]. April 2021.

17. Kemp S, Nygaard RM, Rafter DJ, Colonna ET, Zera RT. Sleep habits and measures of fatigue in general surgery residents – preliminary results. Minnesota Surgical Society. Nov. 2020 [virtual meeting presentation].

18. Odegard M, Endorf FW, Richardson CJ, Hess DJ, Segura BJ, Nygaard RM. Analysis of Pediatric Sternal Fractures using the Kid’s Inpatient Database. Pediatric Trauma Society. November 2020. Accepted.

19. Christie R, Nygaard RM, Richardson CJ, Hill MJ, Israni A, Stahler PA. One Institutions Early Experience Transplanting Undocumented Immigrants with ESRD: Outcomes and Challenges. ASTS May 2020. Podium. [Virtual meeting]

20. Nygaard RM, Greenwald S, Endorf FW, Marek AP, Zera RT. Influence of Pre-Operative Preparedness on Procedural Autonomy in General Surgery Residency. Association of Program Directors in Surgery. May 2020. [Website publication]

21. Leach PK, Marek AP, Endorf FW, Zera RT, Nygaard RM. Imposter phenomenon in surgeons and surgical trainees. Association for Surgical Education Conference. May 2020. [Website publication]

22. Rogers C, Endorf FW, Schmitz K, Fey R, Gayken J, Nygaard RM. The effects of rapid rewarming on tissue salvage in severe frostbite injury. American Burn Association Conference. March 2020. [Virtual meeting June]

23. Lumbard D, Endorf FW, Richardson CJ, Marek AP, Nygaard RM. Firearm trauma: race and insurance influence mortality and discharge disposition. October 2019. Minneapolis, MN.

24. Petrun B, Nygaard RM, Israni A, Hill MJ, Richardson CJ, Stahler PA. Graft survival of fourth time renal transplant recipients are similar to third time recipients: A SRTR database analysis. Minnesota Surgical Society. October 2019. Minneapolis, MN.

25. Odegard M, Endorf FW, Richardson CJ, Nygaard RM. Pediatric sternal fractures: outcomes from a single trauma center. Minnesota Surgical Society. October 2019. Minneapolis, MN. 

26. Rogers C, Melnchuk VM, Fey RM, Endorf FW, Gayken J, Schmitz K, Whitley A, Nygaard RM. The effects of rapid rewarming on tissue salvage in severe frostbite injury. Minnesota Surgical Society. October 2019. Minneapolis, MN.

27. Lacey AM, Fey RM, Gayken JR, Endorf FW, Schmitz KR, Punjabi GV, Masters TC, Nygaard RM. Microangiography: An alternative tool for assessing severe frostbite injury. American Burn Association. April 2019. Las Vegas, NV.

28. Lacey AM, Nygaard RM, Gayken JR, Endorf FW, Schmitz KR, Punjabi GV, Whitley AB, Masters TC, Moore JC, Fey R. The Hennepin Protocol – A five year retrospective analysis of an institutional treatment algorithm for severe frostbite. American Burn Association. April 2019. Las Vegas, NV. 

29. Lumbard D, Nygaard RM, Roetker N, Marek AP. Association of type of penetrating injury with discharge disposition and mortality in a pediatric population. Minnesota Surgical Society. November 2018. Saint Paul, MN.

30. Lacey AM, Fey RM, Gayken JR, Endorf FW, Schmitz KR, Punjabi GV, Masters TC, Nygaard RM. Microangiography: An alternative tool for assessing severe frostbite injury. Committee on Trauma Regional Meeting. November 2018. Saint Paul, MN. – resident paper award Midwest Committee on Trauma.

31. Lacey AM, Fey RM, Gayken JR, Endorf FW, Schmitz KR, Punjabi GV, Masters TC, Nygaard RM. Microangiography: An alternative tool for assessing severe frostbite injury. Minnesota Surgical Society. November 2018. Saint Paul, MN. – resident paper award Minnesota Committee on Trauma.

32. Melnichuk VM, Fey RM, Endorf FW, Gayken J, Schmitz K, Whitley A, Nygaard RM. Frostbite Management Practices at Rural Centers. Midwest Burn Conference. November 2018. Bloomington, MN.

33. Alapati D, DiGiandomenico C, Xiong Y, Endorf FW, Nygaard RM. Biopsychosocial Factors Associated with Amputations Among Patients Admitted for Frostbite Treatment. World Congress of Psychiatry. September 2018. Mexico City, Mexico.

34. Susan P. Schultz MD, Chengcheng Hu Ph.D., Alan D. Cook* MD, Jeanette G. Ward MS-CR, Jeremy Juern MD, Geoffrey A. Funk MD, Scott F. Gaspard MD, Salman Ahmad MD, Steven R. Allen MD, Paola G. Pieri MD, Christopher P. Michetti MD, Frederick B. Rogers* MD, Shreya Jammula BS, Forrest O. Moore* MD, AAST Abx In Tube Thoracostomy Study Group (Nygaard RM), AAST Multi-Institutional Trials Committee. Presumptive Antibiotics for Tube Thoracostomy For Traumatic Hemopneumothorax. American Association for the Surgery of Trauma. September 2018. San Diego, CA.

35. Samir M. Fakhry, Pamela L. Ferguson, Ahmed Allawi, Christopher P. Michetti, Anna B. Newcomb, Chang Liu, and the EAST SBP Multi-Center Study Group (Nygaard RM). Blunt Small Bowel Perforation (SBP): A Multicenter Update 15 Years Later. American Association for the Surgery of Trauma. September 2018. San Diego, CA.

36. Fabbri K, Anderson Haag T, Spenningsby A, Israni A, Nygaard RM, Stahler P. Marijuana use should not preclude consideration for kidney transplantation. American Transplant Congress. June 2018. Seattle, WA. 

37. Lacey AM, Masters T, Punjabi G, Whitley AB, Schmitz KR, Gayken JR, Fey RM, Endorf FW, Nygaard RM. Microangiography as a Potential Alternative Tool for Assessing Severe Frostbite Injury - a Comparison of Imaging Modalities. American Burn Association. May 2018. Chicago, IL.

38. Polites S, Nygaard RM, Petrun B, Weinberg S, Klinkner D, Richardson CJ, Noir, C. Crystalloid Resuscitation for Pediatric Trauma. Eastern Association for the Surgery of Trauma Assembly. January 2018. Lake Buena Vista, FL.

39. Nunn AM, Prakash PS, Inaba K, Maher Z, Kim DY, Chiu WC, Hazelton JP, Mukherjee K, Nygaard RM, Morse BC, Bosarge PL, Jawa RS, Rowell S, Magnotti LJ, Seamon MJ. Occupational exposure during emergency department thoracotomy: a prospective, multi-center, AAST study. Eastern Association for the Surgery of Trauma Assembly. January 2018. Lake Buena Vista, FL.

40. Polites S, Nygaard RM, Smith M, Hess D, Klinkner D. Safety and Effectiveness of Diagnostic and Therapeutic Angiography in the Acute Management of Pediatric Trauma Patients. Pediatric Trauma Society. November 2017. Charleston, SC. 

41. Lumbard D, Nygaard RM, Marek AP. Intestinal Malrotation Associated with Colon Cancer in a Young Adult: A Case Report. Minnesota Surgical. November 2017. Saint Paul, MN.

42. Inaba K, Aiolfi A, Brenner M, DuBose J, Fabian T, Bee T, Holcomb J, Skarupa D, O’Callaghan T, Poulin N, Rasmussen TE, Scalea TM, and the AAST AORTA Study Group (Nygaard RM). Results of Aortic Occlusion and REBOA relative to need for CPR and physiologic presentation:  Results from the AAST Multicenter AORTA Registry. American Association for the Surgery of Trauma. September 2017. Boston, MA.

43. Brenner M, Aiolfi A, Inaba K, DuBose J, Holcomb J, Moore L, Cannon J, Seamon M, Skarupa D, Ibrahim J, Ball C, Kirkpatrick A, Rasmusen TE, Scalea TM, and the AAST AORTA Study Group (Nygaard RM).  REBOA is superior to resuscitative thoracotomy in select patients with hemorrhagic shock: Early results from the AAST AORTA Registry. American Association for the Surgery of Trauma. September 2017. Boston, MA.

44. DuBose, JJ, Fabian T, Bee T, Moore L, Holcomb JB, Brenner M, Scalea TM, Skarupa D, Inaba K, O’Callaghan T, Poulin N, Rasmussen T, and the AAST AORTA Study Group (Nygaard RM). Contemporary Utilization of Resuscitative Thoracotomy: Results from the AAST Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery. American Association for the Surgery of Trauma. September 2017. Boston, MA.

45. Ferrada P, Callcut R, Skarupa DJ, Duane T, Garcia A, Khor D, Sperry J, Turay D, Nygaard RM, Schreiber MA, Ennis T, McNutt M, Phelan H, Moore FO, Dubose J, AAST Multi-Institutional Trials Committee. The A, B, C’s of trauma – Do we have the orders of the factors backwards? Circulation First: An American Association for the Surgery of Trauma multicenter trial. American Association for the Surgery of Trauma. September 2017. Boston, MA.

46. Lacey AM, Masters T, Punjabi G, Moore J, Schmitz K, Gayken J, Fey R, Endorf F, Nygaard RM. Experience and outcomes of a prospective observational study of frostbite injury. Canadian Burn Symposium. June 2017. Toronto, Canada

47. Marek AP, Nygaard RM, Liang E, Richardson CJ, Van Camp J. The association between sleep, call responsibilities and resident burnout. Association of Program Directors in Surgery. Presentation. April 2017. San Diego, CA.

48. Liang E, Nygaard RM, Marek AP, Richardson CJ, Van Camp JM. The effect of exercise on resident burnout. Association of Program Directors in Surgery. April 2017. San Diego, CA.

49. Hubbard M, Bin Zahid A, Nygaard RM, Guillaume D. Prediction of Outcome after traumatic brain injury in children using the head Abbreviated Injury Scale. American Association of Neurological Surgeons. March 2017. Las Angeles, CA.

50. Holl E, Nygaard RM, Richardson CJ, Hess D. Use of Chest CT for Blunt Pediatric Chest Trauma: Does it change clinical course? Minnesota Surgical. October 2016. Brainard, MN.

51. Lacey A, Masters T, Endorf F, Fey R, Nygaard RM. The use of hyperbaric oxygen as an adjunct treatment in severe frostbite. Minnesota Surgical. October 2016. Brainard, MN.

52. Schenkel A, Nygaard RM, Zera R. Trends in the Incidence and Treatment of Invasive Lobular Carcinoma. Invasive Lobular Carcinoma Conference. October 2016. Pittsburg, PA. 

53. Liang E, Nygaard RM, Marek AP, Richardson CJ, Van Camp JM. The effect of exercise on resident burnout. Minnesota Surgical. October 2016. Brainard, MN.

54. Nygaard RM, Lacey AM, Lemere A, Dole M, Gayken JR, Lambert Wagner AL, Fey RM. Time Matters: Assessment of Limb/Digit Salvage Following Severe Frostbite on the Individual Patient Level. American Burn Association. May 2016. Las Vegas, NV.

55. Nygaard RM, Daly SR, Van Camp JM. General Surgery Resident Case Logs: Do they accurately reflect resident experience? Association for Program Directors in Surgery national meeting. April 2015. Seattle, WA.

56. Daly SR, Nygaard RM, Van Camp JM. Influence of Personality, Gender and Generation on Resident Perception of Operative Role. Surgical Educators Week. April 2014. Chicago, IL.

57. Nygaard RM, Daly SR, Van Camp JM. Accuracy of Resident Reported Case Logs: Influence of Personality, Gender and Generation. Association of Program Directors in Surgery Meeting. April 2014. Chicago, IL.

58. Johnson TJ, Nygaard RM, Cohen EM, Fey RM, Lambert Wagner A. Implementation of a Universal Decontamination Protocol in a Burn Center and the Effect on the Incidence of Hospital Acquired Methicillin resistant Staphylococcus aureus. American Burn Association. March 2014. Boston, MA. 

59. Nygaard RM, Lambert A. Improving Outcomes in Acute Severe Frostbite:  Institution of an evidence based protocol with outcomes. American Burn Association. March 2014. Boston, MA.

60. Johnson TJ, Nygaard RM, Cohen EM, Fey RM, Lambert Wagner A. Impact of Universal Decolonization Protocol on HA-MRSA at a Verified Adults and Pediatric Burn Center. Minnesota Surgical Society and Midwest Committee on Trauma. 2013. Minneapolis, MN and Detroit, MI. – resident paper award Minnesota Committee on Trauma.

61. Nygaard RM. Host and Viral Determinants of Respiratory Reovirus Infection. MICaB Thesis Seminar. 2012. University of Minnesota, Minneapolis, MN.

62. Nygaard RM, Lahti LA, Boehme KW, Ikizler M, Doyle JD, Dermody TA, Schiff LA. Genetic Determinants of Reovirus Spread from the Murine Respiratory Tract. American Society for Virology. July 2011. Minneapolis, MN.

63. Nygaard RM, Lahti LA, Boehme KW, Ikizler M, Doyle JD, Dermody TA, Schiff LA. Strain-dependent Spread in a Murine Respiratory Model of Reovirus Infection. Institute for Molecular Virology. October 2010. Minneapolis, MN.

64. Nygaard RM, Lahti LA, Boehme KW, Ikizler M, Doyle JD, Dermody TA, Schiff LA. Reovirus Strain-dependent Spread in a Murine Respiratory Model of Infection. American Society for Virology. July 2010. Bozeman, MT.

65. Nygaard RM, Lahti LA, Schiff LA. Reovirus Uncoating in the Murine Respiratory Tract. Institute for Molecular Virology. October 2009. Minneapolis, MN.

66. Nygaard RM, Lahti LA, Schiff LA. Virion Uncoating is a Rate-limiting Step to Respiratory Reovirus Infection, American Society for Virology, July 2009. Vancouver, BC, Canada.

67. Nygaard RM, Golden JW, Schiff LA. Activation of Reovirus by Respiratory Proteases. Institute for Molecular Virology. October 2008. Minneapolis, MN.

68. Nygaard RM, Golden JW, Schiff LA. Activation of Reovirus by Respiratory Proteases. American Society for Virology. July 2008. Ithaca, NY.

69. Nygaard RM, Lahti LA, Schiff LA. Reovirus Infection in Polarized Epithelium. Institute for Molecular Virology. October 2007. Minneapolis, MN.

Poster Abstract Presentations at Professional Meetings, Conferences, etc. 

1. Mariscal J, Swanson P, McGuire D, Lumbard D, Nygaard R, Endorf F, Payne R. Outcomes in patients managed with temporary abdominal closure. MSS 2022

2. *Lumbard DC, West M, Cich I, Shankar S, Hassan S, Nygaard RM.  Pooled analysis of level 1 trauma centers better predicts risk factors for gun violence. AAST. Abstract 1020969. Sept 2021

3. *Lumbard DC, Endorf FW, Marek AP, Richardson CJ, Nygaard RM. Firearm trauma: race and insurance influence mortality and discharge disposition. AAST. Abstract 77. 2020

4. AM Lacey, D Lumbard, JR Gayken, RM Fey, FW Endorf, RM Nygaard. Case study: severe hypothermia and frostbite requiring ECMO and four limb amputations. ABA 2020

5. Lumbard D, West M, Cich I, Hassan S, Shankar S, Nygaard RM. Pooled Analysis of Level I Trauma Centers Better Predicts Risk Factors for Gun Violence Recidivism. American Association for the Surgery of Trauma Conference. September 2021. Atlanta, GA.

6. Endorf FW, Nygaard RM. High Cost and Resource Utilization of Frostbite Readmissions in the United States. American Burn Association. [virtual meeting] April 2021. 

7. Geffre M. Kemp S. Nygaard RM. Endorf FW. Palliative Care Utilization in Burn Patients. American Burn Association. [virtual meeting] April 2021.

8. Daly S, Smith, B, Nygaard R, Dearani J, Stulak J, Greason K, Daly R. Impact of Pre-Operative Depression Symptoms and Personality on Peri-Operative Morbidity in Elective Cardiac Surgery. The Society of Thoracic Surgeons. January 2021 [virtual meeting presentation]. 

9. Lumbard D, Endorf FW, Richardson CJ, Marek AP, Nygaard RM. Firearm trauma: race and insurance influence mortality and discharge disposition. September 2020. Honolulu, HI [virtual meeting presentation].

10. Laird L, Nygaard RM, Anderson-Haag T, Stahler PA. Rates of urinary tract infections in kidney transplant using trimethoprim/sulfamethoxazole versus alternative agents for Pneumocystis jiroveci prophylaxis. ASTS May 2020 [virtual meeting presentation]. 

11. Nygaard RM, Rafter DJ, Colonna ET, Zera RT. Sleep habits and measures of fatigue in general surgery residents – preliminary results. Association of Program Directors in Surgery. May 2020 [virtual meeting presentation].

12. Nygaard RM, Endorf FW. Differences in Treatment of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis at Burn Centers and Non-burn Centers. American Burn Association Conference. April 2020 [virtual meeting held in June]. 

13. Nygaard RM, Payne RE, Joss FD, Sahgal P, Richardson CJ, Bashir M, Paragh K, Vardas PN, Suzuki Y, Corvera J, Calcaterra D. Emboli as a predictor of poor outcomes in blunt aortic trauma. American Society for Thoracic Surgeons. March 2020. Accepted. 

14. Lamb SCK, Endorf FW, Nygaard RM. Severe Paediatric Traumatic Injuries in Sport: Examining the National Trauma Databank for Injuries in Common Childhood Sports. American Medical Society for Sports Medicine conference. April 2019. Houston, TX.

15. Nygaard RM, Endorf FW. Nonmedical Factors Influencing Early Deaths in Burns:  a Study of the National Burn Repository. American Burn Association. April 2019. Las Vegas, NV.

16. Alapati D, DiGiandomenico C, Endorf F, Nygaard R. Biopsychosocial Correlates of Readmissions Among Frostbite Patients. American Society for Addiction Medicine. April 2019. Orlando, FL.

17. West MA, Lyng J, Nygaard R, Reicks P, Curran B, Gipson J. Development of a Pseudo Encryption Tool to Share Unique Patient Identifiers Between Institutions to Facilitate Trauma/Emergency Medicine Epidemiologic Research Within Metro Region. American Association for the Surgery of Trauma Conference. September 2018. San Diego, CA. 

18. LaPlant MB, Strobel A, Kiragu A, Nygaard RM, Murphy S, Hess DJ. Outcomes from Evaluations for Mild Traumatic Brain Injury Pediatric Patients in the Hospital. Pediatric Trauma Society. November 2018. Houston, TX.

19. Alapati D, DiGiandomenico C, Xiong Y, Nygaard RM, Endorf FW. Biopsychosocial Correlates of Mortality upon Follow-up Among Patients Admitted for Frostbite Treatment to a Safety-net Hospital. World Congress of Psychiatry. September 2018. Mexico City, Mexico.

20. Lacey AM, Nygaard RM, Deisler R, Calcaterra D, Schmitz KR, Fey RM, Endorf FW, Gayken JR. Case Study: Severe Hypothermia and Frostbite Requiring ECMO and Four Limb Amputations. American Burn Association. May 2018. Chicago, IL.

21. Nygaard RM, Endorf F. Frostbite Versus Burns: Increased Cost of Care and Use of Hospital Resources. American Burn Association. May 2018. Chicago, IL. – American Burn Association best paper award.

22. Lacey AM, Moore JC, Whitley AB, Punjabi G, Masters T, Schmitz KR, Gayken JR, Fey RM, Endorf FW, Nygaard RM. Predictive Value of Clinical Assessment of Severe Frostbite Injury - Preliminary Outcomes from a Prospective Observational Study. American Burn Association. May 2018. Chicago, IL.

23. Lamb SCK, Endorf FW. Nygaard RM. Traumatic Injuries in Ice Sports: Examining the National Trauma Database for Injuries in Figure Skaters and Hockey Players. American Medical Society for Sports Medicine conference. April 2018. Lake Buena Vista, FL.

24. Payne RE, Nygaard RM, Joss FD, Sahgal P, Richardson CJ, Bashir M, Paragh K, Vardas PN, Suzuki Y, Corvera J, Calcaterra D. Blunt aortic injuries in the new era: polytrauma risk assessment dictates management strategy. American Association for the Surgery of Trauma. September 2017. Boston, MA.

25. Johnson AT, Nygaard RM, Zera RT. Trends in Incidence, Patient Characteristics, and Management of Lobular Carcinoma In Situ. San Antonio Breast Symposium. December 2015. San Antonio, TX.

26. Nygaard RM, Sirany AM, Wyman EA, Bodner J, Richardson CJ, Ney AL, Odland MD, Hill MJ. A Clinical Tool to Risk Stratify Potential Kidney Transplant Recipients and Predict Major Adverse Events. World Transplant Congress. July 2014. San Francisco, CA.

27. Nygaard RM, Lahti LA, Schiff LA. Host and Viral Determinants of Respiratory Reovirus Infection. MICaB Kickoff. June 2012. University of Minnesota, Minneapolis, MN.

28. Nygaard RM, Lahti LA, Schiff LA. Genetic Determinants of Reovirus Spread from the Murine Respiratory Tract. MICaB Kickoff. June 2011. University of Minnesota, Minneapolis, MN.

29. Nygaard RM, Lahti LA, Schiff LA. Virion Uncoating is a Rate-limiting Step in Reovirus Infection of the Murine Respiratory Tract. MICaB Seminar. 2009. University of Minnesota, Minneapolis, MN.

30. Nygaard RM, Lahti LA, Schiff LA. Proteolytic Activation of Reovirus during Respiratory Infections. MICaB Seminar. June 2008 University of Minnesota, Minneapolis, MN.

31. Nygaard RM, Lahti LA, Schiff LA. Reovirus Entry Mediated by Respiratory Proteases. MICaB Kickoff. June 2008. University of Minnesota, Minneapolis, MN.

32. Nygaard RM, Schiff LA. Reovirus Infection in Polarized Epithelium. MICaB Kickoff. June 2007. University of Minnesota, Minneapolis, MN.