Impact of Inhalational Anesthetics on Liver Regeneration After Living Donor Hepatectomy: A Propensity Score-Matched Analysis

BACKGROUND: Although desflurane and sevoflurane, the most commonly used inhalational anesthetics, have been linked to postoperative liver injury, their impact on liver regeneration remains unclear. We compared the influence of these anesthetics on the postoperative liver regeneration index (LRI) after living donor hepatectomy (LDH). METHODS: We conducted a retrospective chart review of 1629 living donors who underwent right hepatectomy for LDH between January 2008 and August 2016. The patients were divided into sevoflurane (n = 1206) and desflurane (n = 423) groups. Factors associated with LRI were investigated using multivariable logistic regression analysis. Propensity score matching analysis compared early (1 postoperative week) and late (within 1–2 months) LRIs and delayed recovery of hepatic function between the 2 groups. RESULTS: The mean early and late LRIs in the 1629 patients were 63.3% ± 41.5% and 93.7% ± 48.1%, respectively. After propensity score matching (n = 403 pairs), there were no significant differences in early and late LRIs between the sevoflurane and desflurane groups (early LRI: 61.2% ± 41.5% vs 58.9% ± 42.4%, P = .438; late LRI: 88.3% ± 44.3% vs 94.6% ± 52.4%, P = .168). Male sex (regression coefficient [β], 4.6; confidence interval, 1.6–7.6; P = .003) and remnant liver volume (β, –4.92; confidence interval, –5.2 to –4.7; P

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