Michael Wachs, MD

Professional Titles

• Chief of Abdominal Transplant Surgery CHCO
• Transplant and Hepatobiliary Surgery

Publications

• The influence of OKT3 therapy on hepatocellular carcinoma recurrence following liver transplantation. Zimmerman MA, Kelly MA, Campsen J, Mandell MS, Wachs M, Bak T, Skibba A, Lancaster B, Kam I.Clin Transplant. 2010 Jul;24(4)
• Hepaticoduodenostomy is an alternative to Roux-en-Y hepaticojejunostomy for biliary reconstruction in live donor liver transplantation. Campsen J, Zimmerman MA, Mandell MS, Wachs M, Bak T, Forman L, Steinberg T, Kam I. Transplantation. 2009 Jun 27;87(12):1842-5.
• 10.The response to methylene blue in patients with severe hypotension during liver transplantation. Cheng SS, Berman GW, Merritt GR, Hendrickse A, Fiegel MJ, Teitelbaum I, Campsen J, Wachs M, Zimmerman M, Mandell MS. Cheng,SS Berman GW, et al The response to methylene blue in patients with severe hypotension during liver transplant.J Clin Anesth. 2012 Jun;24(4):324-8. doi: 10.1016/j.jclinane.2011.10.010.
• Kelly MA, Kaplan M, Nydam T, Wachs M, Bak T, Kam I, Zimmerman MA. Sirolimus reduces the risk of significant hepatic fibrosis after liver transplantation for hepatitis C virus: a single-center experience. Transplant Proc. 2013 Nov;45(9):3325-8. PubMed PMID: 24182811
• Maybrook RJ, Campsen J, Wachs ME, Levi ME. A case of Mycobacterium mucogenicum infection in a liver transplant recipient and a review of the literature. Transpl Infect Dis. 2013 Dec;15(6):E260-3. PubMed PMID: 24131754
• Mandell MS, Seres T, Lindenfeld J, Biggins SW, Chascsa D, Ahlgren B, Wachs M, Bambha KM. Risk Factors Associated With Acute Heart Failure During Liver Transplant Surgery: A Case Control Study. Transplantation. 2014 Sep 9. [Epub ahead of print] PubMed PMID: 25208319
• Mandell MS, Seres T, Lindenfeld J, Biggins SW, Chascsa D, Ahlgren B, Wachs M, Bambha KM. Risk factors associated with acute heart failure during liver transplant surgery: a case control study. Transplantation. 2015 Apr;99(4):873-8. PubMed PMID: 25208319
• Chirichella TJ, Dunham CM, Zimmerman MA, Phelan EM, Mandell MS, Conzen KD, Kelley SE, Nydam TL, Bak TE, Kam I, Wachs ME. Donor preoperative oxygen delivery and post-extubation hypoxia impact donation after circulatory death hypoxic cholangiopathy. World J Gastroenterol. 2016 Mar 28;22(12):3392-403. PubMed PMID: 27022221
• Kriss M, Wachs M, Attwell A. An Unusual Cause of Right Upper Quadrant Pain in a Patient With Prior Liver Transplantation for Primary Sclerosing Cholangitis. Gastroenterology. 2016 Mar;150(3):e7-9. PubMed PMID: 26827800
• Yoeli D, Choudhury RA, Nydam TL, Pomposelli JJ, Goss JA, Pomfret EA, Wachs ME, Adams MA. The Surge in Deceased Liver Donors Due to the Opioid Epidemic: Is it Time to Split the Difference?. Transplantation. 2020 Oct 12. [Epub ahead of print] PubMed PMID: 33065726
• Choudhury RA, Yoeli D, Dagan A, Yaffe H, Moore HB, Conzen KD, Adams M, Wachs M, Pomposelli JJ, Pomfret EA, Nydam TL. Offspring to Parent LDLT: Narrowing the Gap Between Theory and Evidence. Transplantation. 2020 Oct;104(10):e307. PubMed PMID: 32969991
• Schulick AC, Moore HB, Walker CB, Yaffe H, Pomposelli JJ, Azam F, Wachs M, Bak T, Kennealey P, Conzen K, Adams M, Pshak T, Choudhury R, Chapman MP, Pomfret EA, Nydam TL. A clinical coagulopathy score concurrent with viscoelastic testing defines opportunities to improve hemostatic resuscitation and enhance blood product utilization during liver transplantation. Am J Surg. 2020 Dec;220(6):1379-1386. PubMed PMID: 32907709
• Moore HB, Yaffe H, Pomposelli JJ, Wachs M, Bak T, Kennealey P, Conzen K, Adams M, Pshak T, Choudhury R, Walker C, Schulick A, Ferrell T, Chapman MP, Pomfret EA, Nydam TL. Detection of early allograft dysfunction at 30 min of reperfusion in liver transplantation: An intraoperative diagnostic tool with real time assessment of graft function. Am J Surg. 2020 Dec;220(6):1518-1525. PubMed PMID: 32907708
• Walker CB, Moore HB, Nydam TL, Schulick AC, Yaffe H, Pomposelli JJ, Wachs M, Bak T, Conzen K, Adams M, Pshak T, Choudhury R, Chapman MP, Pomfret EA, Kennealey P. The use of thromboelastography to assess post-operative changes in coagulation and predict graft function in renal transplantation. Am J Surg. 2020 Dec;220(6):1511-1517. PubMed PMID: 32878689
• Dagan A, Choudhury RA, Yaffe H, Yoeli D, Moore HB, Conzen KD, Adams M, Wachs M, Pomposelli JJ, Pomfret EA, Nydam TL. Offspring Versus Nonoffspring to Parent Living Donor Liver Transplantation: Does Donor Relationship Matter?. Transplantation. 2020 May;104(5):996-1002. PubMed PMID: 31568397
• Huang J, Yoeli D, Sundaram SS, Carpenter T, Annam A, Pahlavan S, Wachs M, Adams MA. Extracorporeal membrane oxygenation as rescue therapy in a pediatric liver transplant recipient with very severe hepatopulmonary syndrome. Pediatr Transplant. 2021 Nov 6;:e14185. [Epub ahead of print] PubMed PMID: 34741368
• Steinberg Christofferson E, Ruzicka EB, Bolt M, Lyons E, Wachs M, Buchanan CL, Schmiege SJ, Monnin K. Understanding disparities and barriers associated with pediatric transplant evaluation and time to listing: Moving toward a more comprehensive picture. Pediatr Transplant. 2021 Nov 5;:e14182. [Epub ahead of print] PubMed PMID: 34738706
• Wachs S, Kuiper B. Liver Failure, Renal Failure, and a Rash: An Unusually Severe Case of Multi-Organ Failure Due to Murine Typhus. Cureus. 2021 Jul;13(7):e16661. PubMed PMID: 34462691
• Yoeli D, Jackson WE, Adams MA, Wachs ME, Sundaram SS, Sater A, Cisek JR, Choudhury RA, Nydam TL, Pomposelli JJ, Conzen KD, Kriss MS, Burton JR Jr, Pomfret EA. Challenging the Traditional Paradigm of Supply and Demand in Pediatric Liver Transplantation Through Nondirected Living Donation: A Case Series. Liver Transpl. 2021 Oct;27(10):1392-1400. PubMed PMID: 34048131
• Yoeli D, Choudhury RA, Nydam TL, Pomposelli JJ, Goss JA, Pomfret EA, Wachs ME, Adams MA. The Surge in Deceased Liver Donors Due to the Opioid Epidemic: Is It Time to Split the Difference?. Transplantation. 2021 Oct 1;105(10):2239-2244. PubMed PMID: 33065726
• Truong R, Moore HB, Sauaia A, Kam I, Pshak T, Adams M, Conzen K, Zimmerman MA, Wachs M, Bak T, Pomposelli J, Pomfret E, Nydam TL. Choledochoduodenostomy continues to be a safe alternative for biliary reconstruction in deceased-donor liver transplantation. Am J Surg. 2022 Oct 17. [Epub ahead of print] PubMed PMID: 36400602
• Yoeli D, Feldman AG, Choudhury RA, Moore HB, Sundaram SS, Nydam TL, Wachs ME, Pomfret EA, Adams MA, Jackson WE. Can non-directed living liver donation help improve access to grafts and correct socioeconomic disparities in pediatric liver transplantation?. Pediatr Transplant. 2022 Nov 3;:e14428. [Epub ahead of print] PubMed PMID: 36329627
• Yoeli D, Nguyen T, Wilder M, Huang J, Pahlavan S, Brigham D, Sundaram SS, Wachs ME, Adams MA. Immediate extubation following pediatric liver transplantation. Pediatr Transplant. 2022 Dec;26(8):e14352. PubMed PMID: 35844082
• Yoeli D, Choudhury RA, Moore HB, Jackson WE, Nydam TL, Wachs ME, Pomfret EA, Adams MA. Living Donor Liver Transplant Center Volume Influences Waiting List Survival Among Children Listed for Liver Transplantation. Transplantation. 2022 Sep 1;106(9):1807-1813. PubMed PMID: 35579406
• Yoeli D, Choudhury RA, Sundaram SS, Mack CL, Roach JP, Karrer FM, Wachs ME, Adams MA. Primary vs. salvage liver transplantation for biliary atresia: A retrospective cohort study. J Pediatr Surg. 2022 Oct;57(10):407-413. PubMed PMID: 35065808
• Huang J, Yoeli D, Sundaram SS, Carpenter T, Annam A, Pahlavan S, Wachs M, Adams MA. Extracorporeal membrane oxygenation as rescue therapy in a pediatric liver transplant recipient with very severe hepatopulmonary syndrome. Pediatr Transplant. 2022 Mar;26(2):e14185. PubMed PMID: 34741368
• Yoeli D, Jackson WE, Adams MA, Wachs ME, Sundaram SS, Sater A, Cisek JR, Choudhury RA, Nydam TL, Pomposelli JJ, Conzen KD, Kriss MS, Burton JR Jr, Pomfret EA. Challenging the Traditional Paradigm of Supply and Demand in Pediatric Liver Transplantation Through Nondirected Living Donation: A Case Series. Liver Transpl. 2021 Oct;27(10):1392-1400. PubMed PMID: 34048131
• Yoeli D, Choudhury RA, Nydam TL, Pomposelli JJ, Goss JA, Pomfret EA, Wachs ME, Adams MA. The Surge in Deceased Liver Donors Due to the Opioid Epidemic: Is It Time to Split the Difference?. Transplantation. 2021 Oct 1;105(10):2239-2244. PubMed PMID: 33065726
• Yoeli D, Feldman AG, Choudhury RA, Moore HB, Sundaram SS, Nydam TL, Wachs ME, Pomfret EA, Adams MA, Jackson WE. Can non-directed living liver donation help improve access to grafts and correct socioeconomic disparities in pediatric liver transplantation?. Pediatr Transplant. 2023 Mar;27(2):e14428. PubMed PMID: 36329627
• Moore HB, LaRiviere W, Rodriguez I, Brown K, Hadley K, Pomposelli JJ, Adams MA, Wachs ME, Conzen KD, Kennealey PT, Kaplan B, Pomfret EA, Nydam TL. Early predictors of prolonged intensive care utilization following liver transplantation. Am J Surg. 2023 Dec;226(6):829-834. PubMed PMID: 37604748
• Yoeli D, Choudhury RA, Sundaram SS, Mack CL, Roach JP, Karrer FM, Wachs ME, Adams MA. Corrigendum to "Primary vs. Salvage Liver Transplantation for Biliary Atresia: A Retrospective Cohort Study" J Pediatr Surg 57 (2022) 407-413. J Pediatr Surg. 2023 Oct 12. [Epub ahead of print] PubMed PMID: 37838616
• Ziogas IA, Schmoke N, Yoeli D, Cullen JM, Boster JM, Wachs ME, Adams MA. The effect of donor graft type on survival after liver transplantation for hepatoblastoma in children. Pediatr Transplant. 2023 Nov 9;:e14641. [Epub ahead of print] PubMed PMID: 37946593
• Rouhi AD, Castle RE, Hoeltzel GD, Williams NN, Dumon KR, Baimas-George M, Wachs M, Nydam TL, Choudhury RA. Sleeve Gastrectomy Reduces the Need for Liver Transplantation in Patients with Obesity and Non-Alcoholic Steatohepatitis: a Predictive Model. Obes Surg. 2024 Apr;34(4):1224-1231. PubMed PMID: 38379059
• Rolfes PS, Yoeli D, Feldman AG, Adams MA, Wachs ME, Boster JM. Modern-era successful liver transplantation outcomes in children with hepatic undifferentiated embryonal sarcoma. Pediatr Transplant. 2024 Feb;28(1):e14645. PubMed PMID: 38013236
• Ziogas IA, Schmoke N, Yoeli D, Cullen JM, Boster JM, Wachs ME, Adams MA. The effect of donor graft type on survival after liver transplantation for hepatoblastoma in children. Pediatr Transplant. 2024 Feb;28(1):e14641. PubMed PMID: 37946593
• Yoeli D, Choudhury RA, Sundaram SS, Mack CL, Roach JP, Karrer FM, Wachs ME, Adams MA. Corrigendum to "Primary vs. Salvage Liver Transplantation for Biliary Atresia: A Retrospective Cohort Study" J Pediatr Surg 57 (2022) 407-413. J Pediatr Surg. 2024 Jan;59(1):165. PubMed PMID: 37838616
• Yoeli D, Feldman AG, Choudhury RA, Moore HB, Sundaram SS, Nydam TL, Wachs ME, Pomfret EA, Adams MA, Jackson WE. Can non-directed living liver donation help improve access to grafts and correct socioeconomic disparities in pediatric liver transplantation?. Pediatr Transplant. 2023 Mar;27(2):e14428. PubMed PMID: 36329627

Professional Memberships

• American Society of Transplant Surgeons (ASTS), Member
• American Hepato-Pancreato-Biliary Association (AHPBA), Member
• The Transplantation Society (TTS), Member
• Association for Academic Surgery (AAS), Member
• American College of Surgeons (ACS), Member
• International Liver Transplant Society (ILTS), Member
• American Association for the Study of Liver Disease (AASLD), Member

Practice Locations

• University of Colorado Hospital
• Children's Hospital Colorado

Specialty Information

• Surgery, Board Certification (2015)
• Transplant and Hepatobiliary Surgery, Specialized Training (1995)

• Surgery - Liver Transplant Surgery
• Surgery - Kidney Transplant Surgery
• Surgery - Transplant Surgery
• Surgery - Pancreas Transplant Surgery
• Digestive System - Biliary Surgery
• Digestive System - Hepatology (Liver Disorders)
• Kidneys and Urinary System
• Kidneys and Urinary System - Kidney Failure
• Kidneys and Urinary System - Polycystic Kidney Disease
• Surgery
• Surgery - Major Liver Surgery (Hepatobiliary)
• Digestive System