Accurate method for preoperative estimation of the right graft volume in adult-to-adult living donor liver transplantation.

Abstract:

BACKGROUND:Accurate estimation of graft volume is crucial to avoid small-for-size syndrome following adult-to-adult living donor liver transplantation AALDLT). Herein, we combined radiological and mathematical approaches for preoperative assessment of right graft volume. METHODS:The right graft volume was preoperatively estimated in 31 live donors using two methods: first, the radiological graft volume (RGV) by computed tomography (CT) volumetry and second, a calculated graft volume (CGV) obtained by multiplying the standard liver volume by the percentage of the right graft volume (given by CT). Both methods were compared to the actual graft volume (AGV) measured during surgery. The graft recipient weight ratio (GRWR) was also calculated using all three volumes (RGV, CGV, and AGV). Lin's concordance correlation coefficient (CCC) was used to assess the agreement between AGV and both RGV and CGV. This was repeated using the GRWR measurements. RESULTS:The mean percentage of right graft volume was 62.4% (range, 55%-68%; SD +/- 3.27%). The CCC between AGV and RGV versus CGV was 0.38 and 0.66, respectively. The CCC between GRWR using AGV and RGV versus CGV was 0.63 and 0.88, respectively (P < .05). According to the Landis and Kock benchmark, the CGV correlated better with AGV when compared to RGV. The better correlation became even more apparent when applied to GRWR. CONCLUSION:In our experience, CGV showed a better correlation with AGV compared with the RGV. Using CGV in conjunction with RGV may be of value for a more accurate estimation of right graft volume for AALDLT.

journal_name

Transplant Proc

authors

Khalaf H,Shoukri M,Al-Kadhi Y,Neimatallah M,Al-Sebayel M

doi

10.1016/j.transproceed.2007.03.021

subject

Has Abstract

pub_date

2007-06-01 00:00:00

pages

1491-5

issue

5

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(07)00344-2

journal_volume

39

pub_type

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