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Multicenter Study
. 2005 Sep;242(3):314-23, discussion 323-5.
doi: 10.1097/01.sla.0000179646.37145.ef.

Outcomes of 385 adult-to-adult living donor liver transplant recipients: a report from the A2ALL Consortium

Kim M Olthoff  1 , Robert M Merion, Rafik M Ghobrial, Michael M Abecassis, Jeffrey H Fair, Robert A Fisher, Chris E Freise, Igal Kam, Timothy L Pruett, James E Everhart, Tempie E Hulbert-Shearon, Brenda W Gillespie, Jean C Emond; A2ALL Study Group
Affiliations
Multicenter Study

Outcomes of 385 adult-to-adult living donor liver transplant recipients: a report from the A2ALL Consortium

Kim M Olthoff et al. Ann Surg. 2005 Sep.

Abstract

Objective: The objective of this study was to characterize the patient population with respect to patient selection, assess surgical morbidity and graft failures, and analyze the contribution of perioperative clinical factors to recipient outcome in adult living donor liver transplantation (ALDLT).

Summary background data: Previous reports have been center-specific or from large databases lacking detailed variables. The Adult-to-Adult Living Donor Liver Transplantation Cohort Study (A2ALL) represents the first detailed North American multicenter report of recipient risk and outcome aiming to characterize variables predictive of graft failure.

Methods: Three hundred eighty-five ALDLT recipients transplanted at 9 centers were studied with analysis of over 35 donor, recipient, intraoperative, and postoperative variables. Cox regression models were used to examine the relationship of variables to the risk of graft failure.

Results: Ninety-day and 1-year graft survival were 87% and 81%, respectively. Fifty-one (13.2%) grafts failed in the first 90 days. The most common causes of graft failure were vascular thrombosis, primary nonfunction, and sepsis. Biliary complications were common (30% early, 11% late). Older recipient age and length of cold ischemia were significant predictors of graft failure. Center experience greater than 20 ALDLT was associated with a significantly lower risk of graft failure. Recipient Model for End-stage Liver Disease score and graft size were not significant predictors.

Conclusions: This multicenter A2ALL experience provides evidence that ALDLT is a viable option for liver replacement. Older recipient age and prolonged cold ischemia time increase the risk of graft failure. Outcomes improve with increasing center experience.

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Figures

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FIGURE 1. Annual ALDLT activity at A2ALL transplant centers. *Denotes partial year.
See this image and copyright information in PMC

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