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Published in: Langenbeck's Archives of Surgery 1/2024

01-12-2024 | Review

Effect of Pringle maneuver on prognosis of patients with colorectal cancer liver metastases after liver resection: a meta-analysis

Authors: Tailai An, Yan Wang, Linsen Liu, Yawei Wang, Lingna Deng, Meilong Wu

Published in: Langenbeck's Archives of Surgery | Issue 1/2024

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Abstract

Purpose

Pringle maneuver (PM) is a double-edged sword in liver resection, which is beneficial in reducing blood loss but also causes ischemia–reperfusion injury which may stimulate the outgrowth of micrometastases. The impact of PM on tumor recurrence remains controversial. This study aimed to assess whether PM has effect on the prognosis of colorectal cancer liver metastases (CRLM) after hepatectomy.

Methods

PubMed and the Cochrane Library databases were searched. The PM is defined as the portal triad clamping for several minutes, followed by several minutes of reperfusion, repeated as needed. Prolonged PM was defined as continuous clamping ≥ 20 min or ≥ 3 cycles for maximally 15-min intermittent ischemia.

Results

Eleven studies encompassing 4054 patients were included in this meta-analysis. The pooled hazard ratio (HR) did not show significant differences between PM and non-PM groups for disease-free survival (DFS) (HR = 0.91, 95% confidence interval (CI) 0.76–1.11, P = 0.36) and overall survival (HR = 1.03, 95% CI 0.76–1.39, P = 0.87). Subgroup analysis revealed that prolonged PM has adverse impact on DFS (HR 1.75, 95% CI = 1.28–2.40, P = 0.0005). However, non-prolonged PM is a protective factor for DFS (HR 0.82, 95% CI = 0.73–0.92, P = 0.001).

Conclusion

These findings suggested that prolonged PM may have an adverse impact on the DFS of patients with CRLM and non-prolonged PM is a protective factor for DFS. Further prospective multicenter studies are warranted.
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Metadata
Title
Effect of Pringle maneuver on prognosis of patients with colorectal cancer liver metastases after liver resection: a meta-analysis
Authors
Tailai An
Yan Wang
Linsen Liu
Yawei Wang
Lingna Deng
Meilong Wu
Publication date
01-12-2024
Publisher
Springer Berlin Heidelberg
Published in
Langenbeck's Archives of Surgery / Issue 1/2024
Print ISSN: 1435-2443
Electronic ISSN: 1435-2451
DOI
https://doi.org/10.1007/s00423-024-03248-5

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