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Factors influencing liver transplant length of stay at two large‐volume transplant centers
Author(s) -
Washburn W. Kenneth,
Meo Nicholas A.,
Halff Glenn A.,
Roberts John P.,
Feng Sandy
Publication year - 2009
Publication title -
liver transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.814
H-Index - 150
eISSN - 1527-6473
pISSN - 1527-6465
DOI - 10.1002/lt.21858
Subject(s) - medicine , liver transplantation , single center , cohort , liver disease , proportional hazards model , transplantation , surgery
Length of stay (LOS) is considered a reliable surrogate for liver transplant resource utilization. Little information exists about how donor and recipient variables interact to affect transplant LOS. Data for adult, non–status 1 transplants (1998–2005), including the donor risk index (DRI) and Model for End‐Stage Liver Disease (MELD) scores, were collected from 2 institutions (n = 745 for center A and n = 710 for center B). Cox proportional hazards models identified variables associated with LOS for the separate and combined cohorts. The cohorts differed significantly in donor, recipient, and transplant factors. DRI (1.46 for center A and 1.40 for center B, P = 0.0013) and MELD (22.4 for center A and 20.4 for center B, P = 0.046) were both higher at center A, but LOS was comparable (13.7 days for center A and 13.3 days for center B, P = 0.052). Three factors at center A (nonlocal donor, recipient age, and MELD) and 7 factors at center B (donor age and weight, recipient female gender, retransplant status, international normalized ratio, MELD, and cold ischemia time) were associated with transplant LOS. For the combined cohort, donor age, weight, nonlocal status, recipient age, female gender, retransplant status, MELD, and transplant center were LOS risk factors. In conclusion, the impact of donor and recipient variables on LOS varies by institution. However, the MELD score exerts a potent and consistent effect across institutions, emphasizing the dominant role of disease severity in liver transplant resource utilization. Liver Transpl 15:1570–1578, 2009. © 2009 AASLD.

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