Fritz Karrer, MD
Professor, Surgery-Peds Surgery

Research Interests

Teaching

Publications

• Primary vs. Salvage Liver Transplantation for Biliary Atresia: A Retrospective Cohort Study. Journal of Pediatric Surgery (Accepted)
• Impact of Biliary Reconstruction Technique on Tacrolimus Absorption in Pediatric Liver Transplantation. American Society of Transplant Surgeons
• Pediatric Liver Transplant Recipient Factors That Influence Post-Transplant Tacrolimus Absorption. American Society of Transplant Surgeons
• 138. Yoeli D, Choudhury R, Sundaram S, Roach J, Karrer F, Wachs M, Adams M: Primary vs salvage liver transplantation for biliary atresia: a retrospective cohort study. Journal of Pediatric Surgery, J Pediatr Surg. 2022 Jan 10;S0022-3468(22)00004-5. doi: 10.1016/j.jpedsurg.2021.12.027
• 139. Shneider BL, Goodrich NP, Ye W, Sawyers C, Molleston JP, Merion RM, Leung DH, Karpen SJ, Kamath BM, Cavallo L, Wang K, Teckman JH, Squires JE, Sundaram SS, Rosenthal P, Romero R, Murray KF, Loomes KM, Jensen MK, Bezerra JA, Bass LM, Sokol RJ, Magee JC, For the Childhood Liver Disease Research Network (Karrer F): Nonfasted liver stiffness correlates with liver disease parameters and portal hypertension in pediatric cholestatic liver disease. Hepatology Communications
• Karrer FM, Derderian SC. Biliary Trauma. In Geibel J (ed): Medscape LLC, New York. Updated February 2020. https://emedicine.qa01.medscape.com/article/434014-overview
• Karrer FM, Ogle S: Pediatric Duodenal Atresia. In Windle ML, Piccoli DA, Cuffari C(eds): Medscape LLC, New York, Updated February 2020. http://emedicine.medscape.com/article/932917-overview
• Nonfasted Liver Stiffness Correlates with Liver Disease Parameters and Portal Hypertension in Pediatric Cholestatic Liver Disease. Childhood Liver Disease Research Network (ChiLDReN). Hepatol Commun. 2020 Aug 5;4(11):1694-1707. doi: 10.1002/hep4.1574. eCollection 2020 Nov. PMID: 33163838
• Karrer FM, Roach JP. Error traps and culture of safety in biliary atresia. Semin Pediatr Surg. 2019 Jun;28(3):135-138. PubMed PMID: 31171147
• Derderian SC, Benge MJ, Karrer FM, Acker SN, Roach JP. Filling the gap: Objective data to guide pediatric surgery applicants who do not match on the first attempt. J Pediatr Surg. 2019 May 11. [Epub ahead of print] PubMed PMID: 31126685
• Ng VL, Sorensen LG, Alonso EM, Fredericks EM, Ye W, Moore J, Karpen SJ, Shneider BL, Molleston JP, Bezerra JA, Murray KF, Loomes KM, Rosenthal P, Squires RH, Wang K, Arnon R, Schwarz KB, Turmelle YP, Haber BH, Sherker AH, Magee JC, Sokol RJ. Neurodevelopmental Outcome of Young Children with Biliary Atresia and Native Liver: Results from the ChiLDReN Study. J Pediatr. 2018 May;196:139-147.e3. PubMed PMID: 29519540
• Karrer FM, Wallace BJ, Estrada AE. Late complications of biliary atresia: hepatopulmonary syndrome and portopulmonary hypertension. Pediatr Surg Int. 2017 Dec;33(12):1335-1340. PubMed PMID: 28983709
• Deeney S, Stewart C, Treece AL, Black JO, Lovell MA, Garrington T, Karrer F, Bruny J. Diagnostic utility of core needle biopsy versus open wedge biopsy for pediatric intraabdominal solid tumors: Results of a prospective clinical study. J Pediatr Surg. 2017 Dec;52(12):2042-2046. PubMed PMID: 28943139
• Wang KS, Tiao G, Bass LM, Hertel PM, Mogul D, Kerkar N, Clifton M, Azen C, Bull L, Rosenthal P, Stewart D, Superina R, Arnon R, Bozic M, Brandt ML, Dillon PA, Fecteau A, Iyer K, Kamath B, Karpen S, Karrer F, Loomes KM, Mack C, Mattei P, Miethke A, Soltys K, Turmelle YP, West K, Zagory J, Goodhue C, Shneider BL. Analysis of surgical interruption of the enterohepatic circulation as a treatment for pediatric cholestasis. Hepatology. 2017 May;65(5):1645-1654. PubMed PMID: 28027587
• Stewart CL, Acker SN, Pyle LL, Kulungowski A, Cadnapaphornchai M, Bruny JL, Karrer F. Factors associated with peritoneal dialysis catheter complications in children. J Pediatr Surg. 2016 Jan;51(1):159-62. PubMed PMID: 26572851
• Wang KS, Tiao G, Bass LM, Hertel PM, Mogul D, Kerkar N, Clifton M, Azen C, Bull L, Rosenthal P, Stewart D, Superina R, Arnon R, Bozic M, Brandt ML, Dillon PA, Fecteau A, Iyer K, Kamath B, Karpen S, Karrer F, Loomes KM, Mack C, Mattei P, Miethke A, Soltys K, Turmelle YP, West K, Zagory J, Goodhue C, Shneider BL. Analysis of surgical interruption of the enterohepatic circulation as a treatment for pediatric cholestasis. Hepatology. 2016 Dec 27. [Epub ahead of print] PubMed PMID: 28027587
• Stewart CL, Acker SN, Pyle LL, Kulungowski A, Cadnapaphornchai M, Bruny JL, Karrer F. Factors associated with peritoneal dialysis catheter complications in children. J Pediatr Surg. 2016 Jan;51(1):159-62. PubMed PMID: 26572851
• Acker SN, Roach JP, Partrick DA, Karrer FM, Bensard DD, Sirotnak AP. Beyond morbidity and mortality: the social and legal outcomes of non-accidental trauma. J Pediatr Surg. 2015 Apr;50(4):604-7. PubMed PMID: 25840071
• Bansal S, Karrer FM, Hansen K, Partrick DA. Contrast blush in pediatric blunt splenic trauma does not warrant the routine use of angiography and embolization. Am J Surg. 2015 Aug;210(2):345-50. PubMed PMID: 25827492
• Roach JP, Acker SN, Bensard DD, Sirotnak AP, Karrer FM, Partrick DA. Head injury pattern in children can help differentiate accidental from non-accidental trauma. Pediatr Surg Int. 2014 Nov;30(11):1103-6. PubMed PMID: 25252922
• Roach JP, Acker SN, Bensard DD, Sirotnak AP, Karrer FM, Partrick DA. Head injury pattern in children can help differentiate accidental from non-accidental trauma. Pediatr Surg Int. 2014 Nov;30(11):1103-6. PubMed PMID: 25252922
• Ng VL, Haber BH, Magee JC, Miethke A, Murray KF, Michail S, Karpen SJ, Kerkar N, Molleston JP, Romero R, Rosenthal P, Schwarz KB, Shneider BL, Turmelle YP, Alonso EM, Sherker AH, Sokol RJ. Medical status of 219 children with biliary atresia surviving long-term with their native livers: results from a North American multicenter consortium. J Pediatr. 2014 Sep;165(3):539-546.e2. PubMed PMID: 25015575
• Acker SN, Bruny JL, Narkewicz MR, Roach JP, Rogers A, Karrer FM. Preoperative imaging does not predict intrahepatic involvement in choledochal cysts. J Pediatr Surg. 2013 Dec;48(12):2378-82. PubMed PMID: 24314174
• Roach JP, Karrer FM. Abdominal organ transplantation in children. Adv Pediatr. 2013;60(1):297-310. PubMed PMID: 24007851
• Sundaram SS, Alonso EM, Haber B, Magee JC, Fredericks E, Kamath B, Kerkar N, Rosenthal P, Shepherd R, Limbers C, Varni JW, Robuck P, Sokol RJ, Childhood Liver Disease Research and Education Network (ChiLDREN). Health related quality of life in patients with biliary atresia surviving with their native liver. J Pediatr. 2013 Oct;163(4):1052-7.e2. PubMed PMID: 23746866
• Narkewicz MR, Green M, Dunn S, Millis M, McDiarmid S, Mazariegos G, Anand R, Yin W, Studies of Pediatric Liver Transplantation Research Group. Decreasing incidence of symptomatic Epstein-Barr virus disease and posttransplant lymphoproliferative disorder in pediatric liver transplant recipients: report of the studies of pediatric liver transplantation experience. Liver Transpl. 2013 Jul;19(7):730-40. PubMed PMID: 23696264
• Michael E. Johnston II MD, Charissa Lake, Fritz Karrer, MD, Gregory Tiao, MD. Management of fetal and neonatal biliary atresia. In Fetal and Neonatal Surgery (or Prenatal Pediatrics): Diagnosis and Management of Fetal and Neonatal Anomalies.

Professional Memberships

• American College of Surgeons (ACS), Fellow
• American Academy of Pediatrics (AAP), Fellow
• American Pediatric Surgical Association (APSA), Member
• American Society of Transplant Surgeons (ASTS), Member