Alan N. Langnas, D.O., F.A.C.S.
Dr. Langnas

Professor of Surgery
University of Nebraska Medical Center
983285 Nebraska Medical Center
Omaha, NE 68198-3285, USA
Phone: 402-559-8390
Fax: 402-559-3434

Get to know Dr. Alan Langnas
Watch a video on Dr. Alan Langnas on his brief medical background and interests.

Curriculum Vitae

Graduate: University of Health Sciences, College of Osteopathic Medicine, Kansas City, MO
Residency: Botsford General Hospital, General Surgery, Farmington Hills, MI
Fellowship: Henry Ford Hospital, Transplant Surgery, Detroit, MI
University of Nebraska Medical Center, Transplant Surgery, Omaha, NE
Board Certification:

General Surgery
Fellow, American College of Surgeons
Fellow, American College of Osteopathic Surgeons
Board Certified in Critical Care

Academic Appointment: Professor of Surgery, University of Nebraska Medical Center
Director, Center of Transplantation, University of Nebraska Medical, Omaha, Nebraska
Chief, Section of Transplantation, Department of Surgery, University of Nebraska Medical, Omaha, Nebraska
Director of Liver Transplantation,  Nebraska Medicine, Omaha, Nebraska
Program Director, Transplantation Surgery Fellowship, University of Nebraska Medical, Omaha, Nebraska
Professor of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
Director, Intestinal Transplantation Program, University of Nebraska Medical Center, Omaha, Nebraska
Attending Surgeon, Omaha Veterans Administration Hospital, Omaha, Nebraska
Specialty Interests:  

Publications:

  1. Alonso EM, Limbers CA, Neighbors K, Martz K, Bucuvalas JC, Webb T, Varni JW; Studies of Pediatric Liver Transplantation (SPLIT) Functional Outcomes Group (FOG), Langnas A. Cross-sectional analysis of health-related quality of life in pediatric liver transplant recipients. J Pediatr. 2010 Feb;156(2):270 
  2. Botha JF, Campos BD, Johanning J, Mercer D, Grant W, Langnas A.  Endovascular closure of a hemi-portacaval shunt after small-for-size adult to adult left lobe living donor transplantation. Liver Transpl. Dec 2009; 15(12):1671-5 
  3. Englesbe MJ, Shah S, Cutler JA, Africano R, Lynch R, Seely M, Hasz R, Sweeney ML, Roberts J, Merion RM; Michigan Travel Forum, Langnas A. Improving organ procurement travel practices in the United States: proceedings from the Michigan Donor Travel Forum. Am J Transplant. 2010 Mar;10(3):458-63 
  4. Sun Y, Zhu Z, Langnas AN, Grant WJ, Botha JF, Zhao Y, Sudan DL, Mercer DF.  Plasma nitrite and nitrate levels as a noninvasive marker of pathology after human small bowel transplantation.  Transplantation2010 Feb 15; 89(3):301-11 
  5. Mazariegos GV, Steffick DE, Horslen S, Farmer D, Fryer J, Grant D, Langnas A, Magee JC. Intestine transplantation in the United States, 1999-2008. Am J Transplant. 2010 Apr;10(4 Pt 2):1020-34 
  6. Botha JF, Langnas AN, Campos BD, Grant WJ, Freise CE, Ascher NL, Mercer DF, Robers JP. Left lobe adult-to-adult living donor liver transplantation: small grafts and hemiportocaval shunts in the prevention of small-for-size syndrome. Liver Transpl. 2010 May;16(5):649-57 
  7. Florescu DF, Islam MK, Mercer DF, Grant W, Langnas AN, Freifeld AG, Sudan D, Basappa R, Dimaio D, Kalil AC. Adenovirus infection in pediatric small bowel transplant recipients. Transplantation.2010 Jul 27;90(2):198-204 
  8. Florescu DF, Islam KM, Grant W, Mercer DF, Langnas A, Botha J, Nielsen B, Kalil AC. Incidence and outcome of fungal infections in pediatric small bowel transplant recipients. Transpl Infect Dis. 2010 Dec;12(6):497-504 
  9. Yannam, GR, Sudan DL, Grant W, Botha J, Langnas A, Thompson JS. Intestinal lengthening in adult patients with short bowel syndrome. J Gastro Surg. 2010 Dec:14(12):1931-6 
  10. Cendales L, Granger D, Henry M, Jones J, Langnas A, Levi D, Magee J, Merion R, Olthoff K, Pruett T, Roberts J, Abecassis M; ASTS VCA Ad Hoc Committee and Executive Committee. Implementation of vascularized composite allografts in the United States:recommendations from the ASTS VCA Ad Hoc Committee and the Executive Committee. Am J Transplant. 2011 Jan;11(1):13-7 
  11. Martin SR, Alvarez F, Anand R, Song C, Yin W; SPLIT Research Group. Outcomes in children who underwent transplantation for autoimmune hepatitis. Liver Transpl. 2011 Apr;17(4):393-401 
  12. Limbers CA, Neighbors K, Martz K, Bucuvalas JC, Webb T, Varni JW, Alonso EM; Studies of Pediatric Liver Transplantation Functional Outcomes Group. Health-related quality of life in pediatric liver transplant recipients compared with other chronic disease groups. Pediatr Transplant. 2011 May;15(3):245-53 
  13. Mercer DF, Vargas L, Sun Y, Moreno AM, Grant WJ, Botha JF, Langnas AN, Sudan DL. Stool calprotectin monitoring after small intestine transplantation. Transplantation. 2011 May 27;91(10):1166-71 
  14. Thompson JS, Weseman R, Rochling F, Grant W, Botha J, Langnas A, Mercer D. Radiation therapy increases the risk of hepatobiliary complications in short bowel syndrome. Nutr Clin Pract.2011 Aug;26(4):474-8 
  15. Boland E, Thompson JS, Grant WJ, Botha J, Langnas AN, Mercer DF. Massive small bowel resection during pregnancy causing short bowel syndrome. Am Surg. 2011 Dec;77(12):1589-92.220   
  16. Florescu DF, Qiu F, Vivekanandan R, Mercer DF, Langnas AN, Kalil AC. Risk factors and outcomes of Staphylococcus aureus infections after small bowel and multivisceral transplantation. Pediatr Infect Dis J. 2012 Jan;31(1):25-9 
  17. Florescu DF, Qiu F, Mercer DF, Langnas AN, Shafer LR, Kalil AC. Risk factors for systemic Candida infections in pediatric small bowel transplant recipients. Pediatr Infect Dis J. 2012 Feb;31(2):120-3 
  18. Working Group on Incentives for Living Donation, Matas AJ, Satel S, Munn S, Richards JR, Tan-Alora A, Ambagtsheer FJ, Asis MD, Baloloy L, Cole E, Crippin J, Cronin D, Daar AS, Eason J, Fine R, Florman S, Freeman R, Fung J, Gaertner W, Gaston R, Ghahramani N, Ghods A, Goodwin M, Gutmann T, Hakim N, Hippen B, Huilgol A, Kam I, Lamban A, Land W, Langnas A, Lesaca R, Levy G, Liquette R, Marks WH, Miller C, Ona E, Pamugas G, Paraiso A, Peters TG, Price D, Randhawa G, Reed A, Rigg K, Serrano D, Sollinger H, Sundar S, Teperman L, van Dijk G, Weimar W, Danguilan R. Incentives for organ donation: proposed standards for an internationally acceptable system. Am J Transplant.2012 Feb;12(2) 
  19. Florescu DF, Langnas AN, Grant W, Mercer DF, Botha J, Qiu F, Shafer L, Kalil AC. Incidence, risk factors, and outcomes associated with cytomegalovirus disease in small bowel transplant recipients. Pediatr Transplant.2012 May;16(3):294-301 
  20. Sankaranarayanan J, Collier D, Furasek A, Reardon T, Smith LM, McCartan M, Langnas AN. Rurality and other factors associated with adherence to immunosuppressant medications in community-dwelling solid-organ transplant recipients.Res Social Adm Pharm. 2012 May-Jun;8(3):228-39 
  21. Florescu DF, McCartney AM, Qiu F, Langnas AN, Botha J, Mercer DF, Grant W, Kalil AC. Staphylococcus aureus infections after liver transplantation. Infection. 2012 Jun;40(3):263-9 
  22. Florescu DF, Qiu F, Langnas AN, Mercer DF, Chambers H, Hill LA, Qaragholi N, Kalil AC. Bloodstream infections during the first year after pediatric small bowel transplantation. Pediatr Infect Dis J. 2012 Jul;31(7):700-4 
  23. Thompson JS, Weseman RA, Rochling FA, Grant WJ, Botha JF, Langnas AN, Mercer DF. Preresection obesity increases the risk of hepatobiliary complications in short bowel syndrome. Nutrients.2012 Sep 26;4(10):1358-66 
  24. Dowsley TF, Bayne DB, Langnas AN, Dumitru I, Windle JR, Porter TR, Raichlin E. Diastolic dysfunction in patients with end-stage liver disease in associated with development of heart failure early after liver transplantation. Transplantation. 2012 Sep 27;94(6):646-51 
  25. Kalil AC, Mindru C, Botha JF, Grant WJ, Mercer DF, Olivera MA, McCartan MA, McCashland TM, Langnas AN, Florescu DF. Risk of cytomegalovirus disease in high-risk liver transplant recipients on valganciclovir prophylaxis: a systematic review and meta-analysis. Liver Transpl. 2012 Dec;18(12):1440-7 
  26. Mercer DF, Bobson BD, Fischer RT, Talmon GA, Perry DA, Gerhardt BK, Grand WJ, Botha JF, Langnas AN, Quiros-Tejeira RE. Hepatic fibrosis persists and progresses despite biochemical improvement in children treated with intravenous fish oil emulsion. J Pediatr Gastroenterol Nutr.2013 Apr;56(4):364-9 
  27. Florescu DF, Langnas AN, Sandkovsky U. Opportunistic viral infections in intestinal transplantation. Expert Rev Anti Infet Ther. 2013 April;11(4):367-81 
  28. 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 post transplant lymphoproliferative disorder in pediatric liver transplant recipients: report of the studies of pediatric liver transplantation experience. Liver Transpl. 2013 Jul;19(7):730-40 
  29. Infantino BJ, Mercer DF, Hobson BD, Fischer RT, Gerhardt BK, Grant WJ, Langnas AN, Quiros-Tejeira RE. Successful Rehabilitation in Pediatric Ultrashort Small Bowel Syndrome. J Pediatr. 2013 Jul 15 [Epub ahead of print] Acquazzino MA, Fischer RT, Langnas A, Coulter DW. Refractory autoimmune hemolytic anemia after intestinal transplant responding to conversion from a calcineurin to mTOR inhibitor. Pediatr Transplant. 2013 Aug;17(5):466-471