Medical College of Wisconsin
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Ryan Helmick MD

Associate Professor

Institution: Medical College of Wisconsin
Department: Surgery
Division: Surgery Trauma and Acute Care

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Publications (29)

  • Fixed Versus Growth Mindset and the Association With Alcohol Relapse After Liver Transplantation. (Laredo JA, Konakalla P, Khalil M, Helmick RA) Transplant Proc 2026 Apr;58(3):587-592 PMID: 41760507 SCOPUS ID: 2-s2.0-105031602611 02/28/2026    
  • Skin Closure Technique Matters: Fewer Wound Infections After Kidney Transplant in Patients With Class 2 Obesity Using Subcuticular Sutures. (Cerise A, Jethwani P, Liaqat A, Balaraman V, Talwar M, Vanatta JM, Helmick RA) Clin Transplant 2025 Nov;39(11):e70371 PMID: 41191601 SCOPUS ID: 2-s2.0-105020993386 11/05/2025    
  • Unveiling APOL1 haplotypes in a predominantly African-American cohort of kidney transplant patients: a novel classification using probe-independent quantitative real-time PCR. (Dogan M, Watkins C, Ingram H, Moore N, Rucker GM, Gower EG, Eason JD, Bhalla A, Talwar M, Nezakatgoo N, Eymard C, Helmick R, Vanatta J, Bajwa A, Kuscu C, Kuscu C) Front Med (Lausanne) 2024;11:1325128 PMID: 38660426 PMCID: PMC11039853 04/25/2024    
  • Unveiling APOL1 Haplotypes: A Novel Classification Through Probe-Independent Quantitative Real-Time PCR. (Dogan M, Watkins C, Ingram H, Moore N, Rucker GM, Gower EG, Eason JD, Bhalla A, Talwar M, Nezakatgoo N, Eymard C, Helmick R, Vanatta J, Bajwa A, Kuscu C, Kuscu C) bioRxiv 2023 Oct 19 PMID: 37905084 PMCID: PMC10614821 10/31/2023    
  • A report of a prospective randomized trial of extended-release tacrolimus versus immediate release tacrolimus after liver transplantation with anti-thymocyte induction in a steroid free protocol. (Helmick RA, Eymard CM, Naik S, Eason JD, Nezakatgoo N, Nair S, Vanatta JM) Clin Transplant 2024 Jan;38(1):e15172 PMID: 37897198 SCOPUS ID: 2-s2.0-85174896066 10/28/2023       3 Citations
  • Liver Outcome in Renal Transplant Recipients Who Acquired Hepatitis C Infection From an Infected Graft: Study Based on Liver Biopsy Findings. (Kothadia JP, Bhalla A, Molnar MZ, Mohan R, Balaraman V, Talwar M, Helmick R, Eymard C, Clark I, Jain R, Faust TW, Vanatta JM, Eason JD, Nair SP) Transplant Direct 2022 Jun;8(6):e1342 PMID: 35651584 PMCID: PMC9148688 06/03/2022    
  • Transplantation of liver from hepatitis C-infected donors to hepatitis C RNA-negative recipients: Histological and virologic outcome. (Nair SP, Marella HK, Maliakkal B, Snyder H, Handley C, Kothadia JP, Ali B, Satapathy SK, Molnar MZ, Clark I, Jain R, Helmick R, Eymard C, Eason JD) Clin Transplant 2021 May;35(5):e14281 PMID: 33690929 SCOPUS ID: 2-s2.0-85103169875 03/11/2021       10 Citations
  • A pilot study of ex-vivo MRI-PDFF of donor livers for assessment of steatosis and predicting early graft dysfunction. (Satapathy SK, Gonzalez HC, Vanatta J, Dyer A, Angel W, Nouer SS, Kocak M, Kedia SK, Jiang Y, Clark I, Yadak N, Nezakagtoo N, Helmick R, Horton P, Campos L, Agbim U, Maliakkal B, Maluf D, Nair S, Halford HH, Eason JD) PLoS One 2020;15(5):e0232006 PMID: 32407331 PMCID: PMC7224456 SCOPUS ID: 2-s2.0-85084786053 05/15/2020       4 Citations
  • Lack of Association between Pretransplant Donor-Specific Antibodies and Posttransplant Kidney Outcomes in Simultaneous Liver-Kidney Transplant Recipients with Rabbit Anti-Thymocyte Globulin Induction and Steroid-Free Protocol. (Yazawa M, Cseprekal O, Helmick RA, Talwar M, Balaraman V, Podila PSB, Agbim UA, Maliakkal B, Fossey S, Satapathy SK, Sumida K, Kovesdy CP, Nair S, Eason JD, Molnar MZ) Nephron 2020;144(3):126-137 PMID: 32007998 SCOPUS ID: 2-s2.0-85079448371 02/03/2020       7 Citations
  • Association between longer hospitalization and development of de novo donor specific antibodies in simultaneous liver-kidney transplant recipients. (Yazawa M, Cseprekal O, Helmick RA, Talwar M, Balaraman V, Podila PSB, Fossey S, Satapathy SK, Eason JD, Molnar MZ) Ren Fail 2020 Nov;42(1):40-47 PMID: 31875761 PMCID: PMC6968335 SCOPUS ID: 2-s2.0-85077148692 12/27/2019       7 Citations
  • Stricturing CMV enteritis in an adult liver transplant recipient. (Helmick RA, Agbim UA) J Surg Case Rep 2019 Dec;2019(12):rjz356 PMID: 31867097 PMCID: PMC6917467 12/24/2019    
  • Cholecystitis and hemobilia. (Staszak JK, Buechner D, Helmick RA) J Surg Case Rep 2019 Dec;2019(12):rjz350 PMID: 31857891 PMCID: PMC6911657 12/21/2019    
  • Association between post-transplant donor-specific antibodies and recipient outcomes in simultaneous liver-kidney transplant recipients: single-center, cohort study. (Yazawa M, Cseprekal O, Helmick RA, Talwar M, Balaraman V, Podila PSB, Agbim UA, Maliakkal B, Fossey S, Satapathy SK, Sumida K, Kovesdy CP, Nair S, Eason JD, Molnar MZ) Transpl Int 2020 Feb;33(2):202-215 PMID: 31647143 SCOPUS ID: 2-s2.0-85076723300 10/28/2019       14 Citations
  • Transplantation of kidneys from hepatitis C-infected donors to hepatitis C-negative recipients: Single center experience. (Molnar MZ, Nair S, Cseprekal O, Yazawa M, Talwar M, Balaraman V, Podila PSB, Mas V, Maluf D, Helmick RA, Campos L, Nezakatgoo N, Eymard C, Horton P, Verma R, Jenkins AH, Handley CR, Snyder HS, Cummings C, Agbim UA, Maliakkal B, Satapathy SK, Eason JD) Am J Transplant 2019 Nov;19(11):3046-3057 PMID: 31306549 SCOPUS ID: 2-s2.0-85070087692 07/16/2019       114 Citations
  • Chimney-Patch Arterial Graft in Kidney or Pancreas Transplantation for Recipients with Heavily Calcified Iliac Arteries. (Nezakatgoo N, Hendrick LE, Mesh CL, Vanatta JM, Helmick RA) Ann Transplant 2019 Feb 07;24:70-74 PMID: 30728343 PMCID: PMC6378857 SCOPUS ID: 2-s2.0-85061124437 02/08/2019       3 Citations
  • Identifying Barriers to Preemptive Kidney Transplantation in a Living Donor Transplant Cohort. (Helmick RA, Jay CL, Price BA, Dean PG, Stegall MD) Transplant Direct 2018 Apr;4(4):e356 PMID: 29707627 PMCID: PMC5908459 05/01/2018    
  • No apparent benefit of preemptive sorafenib therapy in liver transplant recipients with advanced hepatocellular carcinoma on explant. (Satapathy SK, Das K, Kocak M, Helmick RA, Eason JD, Nair SP, Vanatta JM) Clin Transplant 2018 May;32(5):e13246 PMID: 29577449 SCOPUS ID: 2-s2.0-85047877308 03/27/2018       26 Citations
  • Outcome of Liver Transplant Recipients With Revascularized Coronary Artery Disease: A Comparative Analysis With and Without Cardiovascular Risk Factors. (Satapathy SK, Vanatta JM, Helmick RA, Flowers A, Kedia SK, Jiang Y, Ali B, Eason J, Nair SP, Ibebuogu UN) Transplantation 2017 Apr;101(4):793-803 PMID: 28099403 PMCID: PMC7228601 SCOPUS ID: 2-s2.0-85009772880 01/19/2017       69 Citations
  • Survival Benefit in Older Patients Associated With Earlier Transplant With High KDPI Kidneys. (Jay CL, Washburn K, Dean PG, Helmick RA, Pugh JA, Stegall MD) Transplantation 2017 Apr;101(4):867-872 PMID: 27495758 PMCID: PMC5292097 SCOPUS ID: 2-s2.0-84982836691 08/09/2016       112 Citations
  • Hepatitis C status and infectious complications in the surgical intensive care unit: a retrospective analysis of 1,941 consecutive patients. (Kueht M, Bebko S, Helmick R, Awad S) Am J Surg 2016 Jun;211(6):1064-70 PMID: 26746567 SCOPUS ID: 2-s2.0-84960910809 01/10/2016       3 Citations
  • Is There a Role for Desmopressin in Liver Transplantation? A Case Report. (Gonzales MM, Valdes DZ, Helmick R, Taner T, Vasdev G) Transplant Proc 2015 Nov;47(9):2782-5 PMID: 26680094 SCOPUS ID: 2-s2.0-84949514181 12/19/2015       1 Citation
  • Reassessing Preemptive Kidney Transplantation in the United States: Are We Making Progress? (Jay CL, Dean PG, Helmick RA, Stegall MD) Transplantation 2016 May;100(5):1120-7 PMID: 26479285 PMCID: PMC4989865 SCOPUS ID: 2-s2.0-84945219515 10/20/2015       71 Citations
  • Black and White Liver. (Helmick RA, McMenomy BP, Huebert RC) Clin Gastroenterol Hepatol 2016 Jan;14(1):A39-40 PMID: 26385443 SCOPUS ID: 2-s2.0-84958883650 09/20/2015    
  • Mandated self-reporting of ventilator-associated pneumonia bundle and catheter-related bloodstream infection bundle compliance and infection rates. (Helmick RA, Knofsky ML, Braxton CC, Subramanian A, Byers P, Lan CK, Awad SS) JAMA Surg 2014 Oct;149(10):1003-7 PMID: 25162479 SCOPUS ID: 2-s2.0-84908297507 08/28/2014       9 Citations
  • Pancreaticoduodenectomy After Roux-en-Y Gastric Bypass: A single Institution Retrospective Case Series (Helmick RA, Singh R, Welshhans J, Fegelman EJ, Shahid H) International Journal of Hepatobiliary and Pancreatic Diseases IJHPD 2013;3:17–21. doi:10.5348/ijhpd-2013-12-CS-3 07/02/2013    
  • Victims of technology. (Popp MB, Helmick RA) J Surg Oncol 2012 Nov;106(6):651-2 PMID: 22473635 SCOPUS ID: 2-s2.0-84867873408 04/05/2012    
  • The importance of antegrade completion angiography in aortobifemoral bypass limb revision. (Helmick RA, Mesh CL) J Vasc Surg 2012 Apr;55(4):1141-4 PMID: 22236884 SCOPUS ID: 2-s2.0-84859164865 01/13/2012       1 Citation
  • Imidazole antibiotics inhibit the nitric oxide dioxygenase function of microbial flavohemoglobin. (Helmick RA, Fletcher AE, Gardner AM, Gessner CR, Hvitved AN, Gustin MC, Gardner PR) Antimicrob Agents Chemother 2005 May;49(5):1837-43 PMID: 15855504 PMCID: PMC1087630 SCOPUS ID: 2-s2.0-18244362036 04/28/2005       95 Citations
  • Flavorubredoxin, an inducible catalyst for nitric oxide reduction and detoxification in Escherichia coli. (Gardner AM, Helmick RA, Gardner PR) J Biol Chem 2002 Mar 08;277(10):8172-7 PMID: 11751865 SCOPUS ID: 2-s2.0-0037040921 12/26/2001       282 Citations
    • Last update: 06/10/2026