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Minerva Medica 2018 April;109(2):141-9

DOI: 10.23736/S0026-4806.17.05096-0


lingua: Inglese

Associating liver partition and portal vein ligation for staged hepatectomy versus conventional staged hepatectomy: a meta-analysis

Yin ZHANG 1, Yidi ZHENG 2, Xuesong DONG 1, Xuepu SUN 1, Xian JIANG 1, Zhuozhong WANG 3, Haiquan QIAO 1

1 Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Obstetrics and Gynecology, The First Affiliated Hospital of Harbin Medical University, Harbin, China; 3 Department of Epidemiology and Biostatistics, School of Public Health, Harbin Medical University, Harbin, China


INTRODUCTION: Controversies persist between associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) and conventional staged hepatectomy. This meta-analysis aims to compare completion, regeneration capacity, and surgical outcomes between the two strategies.
EVIDENCE ACQUISITION: We systematically searched PubMed, EMBASE, Cochrane Library, Medline. The main endpoints consisted of completion rate, future liver remnant (FLR) hypertrophy ratio, morbidity, major complication, minor complication, post-hepatectomy liver failure (PHLF) and mortality. Pooled data was assessed by the use of a random-effects model. Odds ratios (OR) were calculated for dichotomous outcomes and mean differences (MD) for continuous outcomes.
EVIDENCE SYNTHESIS: Of the 124 identified studies, 7 were eligible and were included in our analysis (N.=525 participants). In the two groups, there was no statistical difference in morbidity (OR=1.62; 95% CI: 0.81-3.20; Z=1.37; P=0.17), minor complication rate (OR=1.27; 95% CI: 0.50-3.21; Z=0.51; P=0.61), PHLF rate (OR=0.87; 95% CI: 0.34-2.22; Z=0.30; P=0.76), mortality (OR=1.68; 95% CI: 0.59-4.83; Z=0.97; P=0.33). Meanwhile, statistical significance was showed in the completion rate (OR=8.29; 95% CI: 2.49-27.53; Z=3.45; P=0.0006), FLR hypertrophy ratio (MD=28.00; 95% CI: 16.06-39.93; Z=4.60; P<0.00001) and major complication rate (OR=1.83; 95% CI: 1.08-3.10; Z=2.26; P=0.02).
CONCLUSIONS: Compared with conventional staged hepatectomy, ALPPS provides a higher completion rate and FLR hypertrophy ratio. However, it results in more major complications. Conventional staged hepatectomy is not better than ALPPS in the aspects of minor complication, PHLF, morbidity and mortality.

KEY WORDS: Hepatectomy - Liver failure - Postoperative complications - Meta-analysis

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