Alan Norman Langnas, DO

  • 10308 Citations
  • 53 h-Index
1989 …2020

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2007

Calprotectin: A novel noninvasive marker for intestinal allograft monitoring

Sudan, D., Vargas, L., Sun, Y., Bok, L., Dijkstra, G. & Langnas, A., Aug 2007, In : Annals of surgery. 246, 2, p. 311-315 5 p.

Research output: Contribution to journalArticle

52 Scopus citations

Comparison of intestinal lengthening procedures for patients with short bowel syndrome

Sudan, D., Thompson, J., Botha, J., Grant, W., Antonson, D., Raynor, S. & Langnas, A., Oct 2007, In : Annals of surgery. 246, 4, p. 593-601 9 p.

Research output: Contribution to journalArticle

138 Scopus citations

Impact of graft type on outcome in pediatric liver transplantation: A report from Studies of Pediatric Liver Transplantation (SPLIT)

Diamond, I. R., Fecteau, A., Millis, J. M., Losanoff, J. E., Ng, V., Anand, R., Song, C., Dunn, S., Menendez, J., Flynn, L., Jonas, M., Krawczuk, L., Christoff, M., Kane, R., Phillips, E., Ferrer, L., Heffron, T., DePaolo, J., Pillen, T., Davis, L. & 140 others, Bucuvalas, J., Ryckman, F., Hawkins, A., Arya, G., Narkewicz, M., Sokol, R., Karrer, F., Mark, C., Orban-Eller, K., Rand, E., Anderer, K., Mazariegos, G., Chien, N., Seward, L., Atkinson, P., Telega, G., Lerrett, S., Roden, J., Mittal, N., Cutright, L., Alonso, E., Lokar, J., Kelly, S., Neighbors, K., Andrews, W., Daniel, J., Fioravanti, V., Tendick, A., Desai, D., Jarvis, S., Fecteau, A., Ng, V., De Angelis, M., Benidir, A., Tector, J., Lim, J., Molleston, J., Pearson, J., Schwarz, K., Colombani, P., Alford, M., Felix, M., Jurao, R., Eason, J., Eshun, J., Powell, S., Freese, D., Weckwerth, J., Greseth, J., Young, L., Fisher, R., Akyeampong, M., Emre, S., Shneider, B., Kerkar, N., Cuellar, S., Lobritto, S., Smith, L., Harren, P., Maseda, K., Book, L., O'Gorman, M., Kawai, C., Bruschke, L., Kraus, J., Alvarez, F., Martin, S., Viau, C., Soriano, H., Falkenstein, K., Shepherd, R., Lowell, J., Nadler, M., So, S., Berquest, W., Castillo, M., Bula, A., Karpen, S., Mayo, J., Goss, J., Fishman, D., McLin, V., Carter, B., O'Mahony, C., Aloia, T., Garner, D., McDiarmid, S., Fiest, S., Gilmour, S., Dodd, B., Kneteman, N., Lavine, J., Khanna, A., Clawson, R., Rosenthal, P., Filipowski, D., Millis, J., Boone, P., González-Peralta, R., Hemming, A., Hodik, M., McCracken, S., Tzakis, A., Kato, T., Weppler, D., Cooper, L., Gonzalez, M., Santiago, A., Lopez, J., Magee, J., Shieck, V., Humar, A., Durand, B., Studenski, L., Langnas, A., Antonson, D., Botha, J., Grant, W., Sudan, D., Andersen, D., Fleckten, B., Seipel, K., Fair, J., Lichtman, S., Andreoni, K., Prinzhorn, J., Buchholz, V., Abt, P., Shisler, T., MacK, C., Halff, G., Wallace, S., Horslen, S., Young, M., Kalayoglu, M., D'Alessandro, A., Erickson, N., Judo, R., Knechtle, S. & Spaith, E., Aug 2007, In : Annals of surgery. 246, 2, p. 301-310 10 p.

Research output: Contribution to journalArticle

147 Scopus citations

Late graft loss or death in pediatric liver transplantation: an analysis of the SPLIT database

Soltys, K. A., Mazariegos, G. V., Squires, R. H., Sindhi, R. K., Anand, R., Dunn, S., Manendez, J., Flynn, L., Jonas, M., Krawczuk, L., Christoff, M., Kane, R., Solomon, H., Phillips, E., Ferrer, L., Heffron, T., DePaolo, J., Pillen, T., Davis, L., Bucuvalas, J. & 147 others, Ryckman, F., Hawkins, A., Arya, G., Narkewicz, M. R., Sokol, R. J., Karrer, F., Mark, C., Orban-Eller, K., Humar, A., Durand, B., Studenski, L., Rand, E., Anderer, K., Mazariegos, G., Chien, N., Seward, L., Atkison, P., Roden, J., Mittal, N., Cutright, L., Telega, G., Lerret, S., Alonso, E. M., Lokar, J., Kelly, S., Neighbors, K., Andrews, W. S., Daniel, J., Fioravanti, V., Tendick, A., Lindblad, A. S., Anand, R., Song, C., Martz, K., Mitchell, J., Fraser, G., Hornbeak, N., Patel, N., He, J., Fecteau, A., Ng, V. L., De Angelis, M., Benidir, A., Schwarz, K., Colombani, P., Alford, M. K., Felix, M., Jurao, R., Eason, J., Eshun, J., Powell, S. L., Freese, D., Weckwerth, J., Greseth, J., Young, L., Fisher, R., Akyeampong, M., So, S., Berquist, W., Castillo, M., Bula, A., Emre, S., Shneider, B., Kerkar, N., Cuellar, S., Karpen, S., Mayo, J., Goss, J., Fishman, D., McLin, V., Carter, B., O'Mahony, C., Aloia, T., Garner, D., Gilmour, S., Dodd, B., Kneteman, N., McDiarmid, S., Fiest, S., Lobritto, S., Smith, L., Harren, P., Maseda, K., Alvarez, F., Martin, S., Viau, C., Shepherd, R., Lowell, J., Nadler, M., Lavine, J., Khanna, A., Clawson, R., Lopez, J., Magee, J., Shieck, V., Fair, J., Lichtman, S., Andreoni, K., Prinzhorn, J., Buchholz, V., Horslen, S., Young, M., Halff, G., Wallace, S., Tector, J., Lim, J., Molleston, J., Pearson, J., Soriano, H., Falkenstein, K., Tzakis, A., Kato, T., Weppler, D., Cooper, L., Gonzalez, M., Santiago, A., Kalayoglu, M., D'Alessandro, A., Erickson, N., Judo, R., Knechtle, S., Spaith, E., Gonzalez-Peralta, R., Hodik, M., McCracken, S., Rosenthal, P., Filipowski, D., Book, L., O'Gorman, M., Kawai, C. K., Bruschke, L., Kraus, J., Langnas, A., Antonson, D., Botha, J., Grant, W., Sudan, D., Andersen, D., Fleckten, B., Seipel, K., Millis, J. M., Boone, P., Desai, D. M., Javis, S., Abt, P., Shisler, T. & Mack, C., Sep 2007, In : American Journal of Transplantation. 7, 9, p. 2165-2171 7 p.

Research output: Contribution to journalArticle

103 Scopus citations

Mild donor liver steatosis has no impact on hepatitis C virus fibrosis progression following liver transplantation

Botha, J. F., Thompson, E., Gilroy, R., Grant, W. J., Mukherjee, S., Lyden, E. R., Fox, I. J., Sudan, D. L., Shaw, B. W. & Langnas, A. N., Aug 2007, In : Liver International. 27, 6, p. 758-763 6 p.

Research output: Contribution to journalArticle

27 Scopus citations

Role of an intestinal rehabilitation program in the treatment of advanced intestinal failure

Torres, C., Sudan, D., Vanderhoof, J., Grant, W., Botha, J., Raynor, S. & Langnas, A., Aug 2007, In : Journal of pediatric gastroenterology and nutrition. 45, 2, p. 204-212 9 p.

Research output: Contribution to journalArticle

108 Scopus citations
2006

Induction of regulatory T cells from mature T cells by allogeneic thymic epithelial cells in vitro

Sun, Y., Ge, B. S., Kasai, M., Diffendaffer, C., Parks, N., Li, H., Peng, J., Langnas, A. N. & Zhao, Y., May 2006, In : Transplant International. 19, 5, p. 404-414 11 p.

Research output: Contribution to journalArticle

13 Scopus citations

Inflammatory bowel disease after liver transplantation: Risk factors for recurrence and de novo disease

Verdonk, R. C., Dijkstra, G., Haagsma, E. B., Shostrom, V. K., Van Den Berg, A. P., Kleibeuker, J. H., Langnas, A. N. & Sudan, D. L., Jun 2006, In : American Journal of Transplantation. 6, 6, p. 1422-1429 8 p.

Research output: Contribution to journalArticle

110 Scopus citations

Intestinal failure: Current and emerging therapies including transplantation

Langnas, A. N. & Tappenden, K. A., Feb 2006, In : Gastroenterology. 130, 2 SUPPL., p. S1-S2

Research output: Contribution to journalArticle

3 Scopus citations

Isolated liver transplantation in infants with end-stage liver disease due to short bowel syndrome

Botha, J. F., Grant, W. J., Torres, C., Iverson, A. K., Sudan, D. L., Shaw, B. W. & Langnas, A. N., Jul 2006, In : Liver Transplantation. 12, 7, p. 1062-1066 5 p.

Research output: Contribution to journalArticle

47 Scopus citations

Liver transplantation for hepatocellular carcinoma: An update

Botha, J. F. & Langnas, A. N., Sep 2006, In : JNCCN Journal of the National Comprehensive Cancer Network. 4, 8, p. 762-767 6 p.

Research output: Contribution to journalArticle

15 Scopus citations

MOP3, a component of the molecular clock, regulates the development of B cells

Sun, Y., Yang, Z., Niu, Z., Peng, J., Li, Q., Xiong, W., Langnas, A. N., Ma, M. Y. & Zhao, Y., Dec 2006, In : Immunology. 119, 4, p. 451-460 10 p.

Research output: Contribution to journalArticle

53 Scopus citations

Safety, tolerability, and efficacy of everolimus in De Novo liver transplant recipients: 12- and 36-month results

Levy, G., Schmidli, H., Punch, J., Tuttle-Newhall, E., Mayer, D., Neuhaus, P., Samuel, D., Nashan, B., Klempnauer, J., Langnas, A., Calmus, Y., Rogiers, X., Abecassis, M., Freeman, R., Sloof, M., Roberts, J. & Fischer, L., Nov 2006, In : Liver Transplantation. 12, 11, p. 1640-1648 9 p.

Research output: Contribution to journalArticle

106 Scopus citations
2005

2003 Report of the intestine transplant registry: A new era has dawned

Grant, D., Abu-Elmagd, K., Reyes, J., Tzakis, A., Langnas, A., Fishbein, T., Goulet, O. & Farmer, D., Apr 2005, In : Annals of surgery. 241, 4, p. 607-613 7 p.

Research output: Contribution to journalArticle

383 Scopus citations

A multidisciplinary approach to the treatment of intestinal failure

Sudan, D., DiBaise, J., Torres, C., Thompson, J., Raynor, S., Gilroy, R., Horslen, S., Grant, W., Botha, J. & Langnas, A., Feb 1 2005, In : Journal of Gastrointestinal Surgery. 9, 2, p. 165-177 13 p.

Research output: Contribution to journalArticle

120 Scopus citations

Living and deceased donor liver transplantation for unresectable hepatoblastoma at a single center

Mejia, A., Langnas, A. N., Shaw, B. W., Torres, C. & Sudan, D. L., Dec 2005, In : Clinical Transplantation. 19, 6, p. 721-725 5 p.

Research output: Contribution to journalArticle

13 Scopus citations

Low-dose chemotherapy for Epstein-Barr virus-positive post-transplantation lymphoproliferative disease in children after solid organ transplantation

Gross, T. G., Bucuvalas, J. C., Park, J. R., Greiner, T. C., Hinrich, S. H., Kaufman, S. S., Langnas, A. N., McDonald, R. A., Ryckman, F. C., Shaw, B. W., Sudan, D. L. & Lynch, J. C., Sep 20 2005, In : Journal of Clinical Oncology. 23, 27, p. 6481-6488 8 p.

Research output: Contribution to journalArticle

120 Scopus citations
2004

Altered allogeneic immune responses in middle-aged mice.

Sun, Y., Li, H., Langnas, A. N. & Zhao, Y., Dec 2004, In : Cellular & molecular immunology. 1, 6, p. 440-446 7 p.

Research output: Contribution to journalArticle

14 Scopus citations

Donor immune reconstitution after liver-small bowel transplantation for multiple intestinal atresia with immunodeficiency

Gilroy, R. K., Coccia, P. F., Talmadge, J. E., Hatcher, L. I., Pirruccello, S. J., Shaw, B. W., Rubocki, R. J., Sudan, D. L., Langnas, A. N. & Horslen, S. P., Feb 1 2004, In : Blood. 103, 3, p. 1171-1174 4 p.

Research output: Contribution to journalArticle

36 Scopus citations

Functional Liver Recovery Parallels Autologous Gut Salvage in Short Bowel Syndrome

Iyer, K. R., Horslen, S., Torres, C., Vanderhoof, J. A., Langnas, A. N. & Tracy, T., Mar 2004, In : Journal of pediatric surgery. 39, 3, p. 340-344 5 p.

Research output: Contribution to journalArticle

25 Scopus citations

Portosystemic shunts in children: A 15-year experience

Botha, J. F., Campos, B. D., Grant, W. J., Horslen, S. P., Sudan, D. L., Shaw, B. W. & Langnas, A. N., Aug 2004, In : Journal of the American College of Surgeons. 199, 2, p. 179-185 7 p.

Research output: Contribution to journalArticle

41 Scopus citations

Prospective, randomized trial of the effect of antibody induction in simultaneous pancreas and kidney transplantation: Three-year results

Burke, G. W., Kaufman, D. B., Millis, J. M., Gaber, A. O., Johnson, C. P., Sutherland, D. E. R., Punch, J. D., Kahan, B. D., Schweitzer, E., Langnas, A., Perkins, J., Scandling, J., Concepcion, W., Stegall, M. D., Schulak, J. A., Gores, P. F., Benedetti, E., Danovitch, G., Henning, A. K., Bartucci, M. R. & 2 others, Smith, S. & Fitzsimmons, W. E., Apr 27 2004, In : Transplantation. 77, 8, p. 1269-1275 7 p.

Research output: Contribution to journalArticle

69 Scopus citations

Quality of Life after Pediatric Intestinal Transplantation: The Perception of Pediatric Recipients and Their Parents

Sudan, D., Horslen, S., Botha, J., Grant, W., Torres, C., Shaw, B. & Langnas, A., Mar 2004, In : American Journal of Transplantation. 4, 3, p. 407-413 7 p.

Research output: Contribution to journalArticle

75 Scopus citations
2003

Acute Budd-Chiari syndrome during pregnancy: Surgical treatment and orthotopic liver transplantation with successful completion of the pregnancy

Grant, W. J., McCashland, T., Botha, J. F., Shaw, B. W., Sudan, D. L., Mejia, A., Iyer, K. & Langnas, A. N., Sep 1 2003, In : Liver Transplantation. 9, 9, p. 976-979 4 p.

Research output: Contribution to journalArticle

17 Scopus citations

Heart Xenograft Survival with Chimeric Pig Donors and Modest Immune Suppression

Beschorner, W. E., Sudan, D. L., Radio, S. J., Yang, T., Franco, K. L., Hill, A. C., Shearon, C. C., Thompson, S. C., Dixon, R. S., Johnson, N. D., Kuszynski, C. A., Rubocki, R. J., Lechtenberg, K. F., Matamoros, A., Goertzen, T. C., Fox, I. J. & Langnas, A. N., Feb 2003, In : Annals of Surgery. 237, 2, p. 265-272 8 p.

Research output: Contribution to journalArticle

Heart Xenograft Survival with Chimeric Pig Donors and Modest Immune Suppression

Beschorner, W. E., Sudan, D. L., Radio, S. J., Yang, T., Franco, K. L., Hill, A. C., Shearon, C. C., Thompson, S. C., Dixon, R. S., Johnson, N. D., Kuszynski, C. A., Rubocki, R. J., Lechtenberg, K. F., Matamoros, A., Goertzen, T. C., Fox, I. J. & Langnas, A. N., Feb 2003, In : Annals of surgery. 237, 2, p. 265-272 8 p.

Research output: Contribution to journalArticle

19 Scopus citations

Pre-transplant analysis of accommodation in donor pigs

Beschorner, W. E., Shearon, C. C., Yang, T., Langnas, A. N., Thompson, S. C., Zhao, Y., Franco, K. L., Radio, S. J. & Sudan, D. L., Jan 2003, In : Xenotransplantation. 10, 1, p. 66-71 6 p.

Research output: Contribution to journalArticle

7 Scopus citations

Prolongation of allogeneic skin graft survival by injection of anti-Ly49A monoclonal antibody YE1/48

Yang, T. Y., Sun, Y., Langnas, A. N. & Zhao, Y., Feb 1 2003, In : Clinical Immunology. 106, 2, p. 148-154 7 p.

Research output: Contribution to journalArticle

5 Scopus citations

Short bowel syndrome and crohn's disease

Thompson, J. S., Iyer, K. R., Dibaise, J. K., Young, R. L., Brown, C. R. & Langnas, A. N., Dec 1 2003, In : Journal of Gastrointestinal Surgery. 7, 8, p. 1069-1072 4 p.

Research output: Contribution to journalArticle

47 Scopus citations
3 Scopus citations

Xenogeneic skin graft rejection in M-CSF/macrophage deficient osteopetrotic mice

Zhao, Y., Xiong, W., Yang, T., Prall, A., Baxter, B. T. & Langnas, A. N., May 2003, In : Xenotransplantation. 10, 3, p. 232-239 8 p.

Research output: Contribution to journalArticle

5 Scopus citations
2002

Assessment of quality of life after pediatric intestinal transplantation by parents and pediatric recipients using the child health questionnaire

Sudan, D., Iyer, K., Horslen, S., Shaw, B. & Langnas, A., 2002, In : Transplantation Proceedings. 34, 3, p. 963-964 2 p.

Research output: Contribution to journalArticle

25 Scopus citations

Basiliximab decreases the incidence of acute rejection after intestinal transplantation

Sudan, D. L., Chinnakotla, S., Horslen, S., Iyer, K., Fox, I., Shaw, B. & Langnas, A. N., 2002, In : Transplantation Proceedings. 34, 3, p. 940-941 2 p.

Research output: Contribution to journalArticle

46 Scopus citations

Intestinal transplantation at the University of Nebraska Medical Center: 1990 to 2001

Langnas, A., Chinnakotla, S., Sudan, D., Horslen, S., McCashland, T., Schafer, D., Sorrell, M., Vanderhoof, J., Iyer, K., Fox, I. & Shaw, B., 2002, In : Transplantation Proceedings. 34, 3, p. 958-960 3 p.

Research output: Contribution to journalArticle

52 Scopus citations

Isolated liver transplantation in infants with end-stage liver disease associated with short bowel syndrome

Horslen, S. P., Sudan, D. L., Iyer, K. R., Kaufman, S. S., Iverson, A. K., Fox, I. J., Shaw, B. W. & Langnas, A. N., 2002, In : Annals of surgery. 235, 3, p. 435-439 5 p.

Research output: Contribution to journalArticle

60 Scopus citations

Late graft loss and long-term outcome after isolated intestinal transplantation in children

Iyer, K. R., Srinath, C., Horslen, S., Fox, I. J., Shaw, B. W., Sudan, D. L. & Langnas, A. N., 2002, In : Journal of pediatric surgery. 37, 2, p. 151-154 4 p.

Research output: Contribution to journalArticle

38 Scopus citations

Nutritional outcome and growth of children after intestinal transplantation

Iyer, K., Horslen, S., Iverson, A., Sudan, D., Fox, I., Shaw, B. & Langnas, A., 2002, In : Journal of pediatric surgery. 37, 3, p. 464-466 3 p.

Research output: Contribution to journalArticle

47 Scopus citations

Omeprozole therapy in pediatric patients after liver and intestinal transplantation

Kaufman, S. S., Lyden, E. R., Brown, C. R., Davis, C. K., Andersen, D. A., Olsen, K. M., Bergman, K. L., Horslen, S. P., Sudan, D. L., Fox, I. J., Shaw, B. W. & Langnas, A. N., 2002, In : Journal of pediatric gastroenterology and nutrition. 34, 2, p. 194-198 5 p.

Research output: Contribution to journalArticle

19 Scopus citations

Oral beclomethasone therapy for recurrent small bowel allograft rejection and intestinal graft-versus-host disease

Sudan, D., Grant, W., Iyer, K., Shaw, B., Horslen, S. & Langnas, A., 2002, In : Transplantation Proceedings. 34, 3, p. 938-939 2 p.

Research output: Contribution to journalArticle

5 Scopus citations

Pediatric small bowel transplantation: Techniques and outcomes

Grant, W. J. & Langnas, A. N., 2002, In : Current opinion in organ transplantation. 7, 2, p. 202-207 6 p.

Research output: Contribution to journalArticle

7 Scopus citations

Radiochemotherapy and transplantation allow long-term survival for nonresectable hilar cholangiocarcinoma

Sudan, D., DeRoover, A., Chinnakotla, S., Fox, I., Shaw, B., McCashland, T., Sorrell, M., Tempero, M. & Langnas, A., Sep 2002, In : American Journal of Transplantation. 2, 8, p. 774-779 6 p.

Research output: Contribution to journalArticle

228 Scopus citations

Successful intestinal procurement

Bremers, D. E., Mazzeo, P. J., Thompson, K. E., Eastman, C. L. & Langnas, A. N., 2002, In : Transplantation Proceedings. 34, 3, p. 902-903 2 p.

Research output: Contribution to journalArticle

5 Scopus citations
2001

A new technique for combined liver/small intestinal transplantation

Sudan, D. L., Iyer, K. R., Deroover, A., Chinnakotla, S., Fox, I. J., Shaw, B. W. & Langnas, A. N., Dec 15 2001, In : Transplantation. 72, 11, p. 1846-1848 3 p.

Research output: Contribution to journalArticle

97 Scopus citations

A randomized double-blind comparative study of mycophenolate mofetil and azathioprine in combination with cyclosporine and corticosteroids in primary liver transplant recipients

Wiesner, R., Rabkin, J., Klintmalm, G., McDiarmid, S., Langnas, A., Punch, J., McMaster, P., Kalayoglu, M., Levy, G., Freeman, R., Bismuth, H., Neuhaus, P., Mamelok, R. & Wang, W., 2001, In : Liver Transplantation. 7, 5, p. 442-450 9 p.

Research output: Contribution to journalArticle

210 Scopus citations

Lack of utility of intestinal fatty acid binding protein levels in predicting intestinal allograft rejection

Kaufman, S. S., Lyden, E. R., Marks, W. H., Lieberman, J., Sudan, D. L., Fox, I. J., Shaw, B. W., Horslen, S. P. & Langnas, A. N., 2001, In : Transplantation. 71, 8, p. 1058-1060 3 p.

Research output: Contribution to journalArticle

16 Scopus citations

Long-term results of intestinal transplantation for pseudo-obstruction in children

Iyer, K., Kaufman, S., Sudan, D., Horslen, S., Shaw, B., Fox, I., Langnas, A. & Reyes, J., 2001, In : Journal of pediatric surgery. 36, 1, p. 174-177 4 p.

Research output: Contribution to journalArticle

43 Scopus citations
2000

Assessment of function, growth and development, and long-term quality of life after small bowel transplantation

Sudan, D. L., Iverson, A., Weseman, R. A., Kaufman, S., Horslen, S., Fox, I. J., Shaw, B. W. & Langnas, A. N., Sep 2000, In : Transplantation Proceedings. 32, 6, p. 1211-1212 2 p.

Research output: Contribution to journalArticle

45 Scopus citations
Open Access
53 Scopus citations

Disaccharidase activities and fat assimilation in pediatric patients after intestinal transplantation

Kaufman, S. S., Lyden, E. R., Brown, C. R., Iverson, A. K., Davis, C. K., Sudan, D. L., Fox, I. J., Horslen, S. P., Shaw, B. W. & Langnas, A. N., Feb 15 2000, In : Transplantation. 69, 3, p. 362-365 4 p.

Research output: Contribution to journalArticle

32 Scopus citations