COMPARATIVE ANALYSIS OF LIVE LIVER DONATION RISK USING A COMPREHENSIVE GRADING SYSTEM FOR SEVERITY

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Abstract

We investigated whether right lobe (RL) liver donation is associated with a higher incidence or severity of donor complications than left lobe (LL) liver and left lateral segment (LLS) liver donations. We studied 80 living donors: 35 RL liver donors and 45 LL/LLS liver donors. A modification of the Clavien classification was used to grade the severity of complications. RL and LL/LLS liver donations had equivalent blood loss, readmission and reoperation rates, use of blood products, and lengths of stay in the intensive care unit and hospital. RL liver donors underwent longer surgeries and experienced more postoperative pain than LL/LLS liver donors. The overall rate of complications was 33%. There was a higher rate of complications in RL liver donors (51%) than LL/LLS liver donors (20%). When graded by severity, there were more grade 2 complications in RL liver donors than in LL/LLS liver donors. Our report confirms that RL liver donation is associated with higher morbidity than LL/LLS liver donation. When the complications are systematically graded by severity, there is a significant difference in Clavien grade 2 complications in RL liver donors.

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