Abstract
BackgroundRadical antegrade modular pancreatosplenectomy (RAMPS), first reported by Strasberg in 2003, has attracted increasing attention in the treatment of left-sided pancreatic cancer. The limited number of cases eligible for RAMPS makes it difficult to perform any prospective randomized trial of RAMPS versus the standard procedure. Therefore, we performed this systemic review and meta-analysis of the current data to clarify the role of the RAMPS procedure.MethodsA literature search was performed in electronic databases, including PubMed, Medline, Embase, CNKI and the Cochrane Library. Studies comparing RAMPS with the standard procedure were included in this meta-analysis. R0 resection rate, recurrence rate at the end of the follow-up, overall survival (OS) and disease-free survival (DFS) were measured as primary outcomes. Revman 5.3 was used to perform the analysis.ResultsSix retrospective cohort studies with a total number of 378 patients were included in our analysis. Meta-analysis revealed that RAMPS was correlated with higher R0 resection rates [Odds Ratio (OR) 95% confidence interval (CI), 2.19 (1.16 ~ 4.13); P = 0.02] and successful harvest of more lymph nodes [weighted mean difference (WMD) 95% CI, 7.06 (4.52 ~ 9.60); P < 0.01] compared with the standard procedure. However, no statistically significant difference was found between the procedures with respect to recurrence rates [OR 95% CI, 0.66 (0.40 ~ 1.09); P = 0.10], OS [Hazard ratio (HR) 95% CI, 0.65 (0.42 ~ 1.00); P = 0.05] or DFS [HR 95% CI, 1.02 (0.62 ~ 1.68); P = 0.93].ConclusionsRAMPS is safe and oncologically superior to the standard procedure for the treatment of left-sided pancreatic cancer. However, high-grade evidence will be necessary to confirm the potential survival benefits of RAMPS.
Highlights
Radical antegrade modular pancreatosplenectomy (RAMPS), first reported by Strasberg in 2003, has attracted increasing attention in the treatment of left-sided pancreatic cancer
Characteristics of the trials Six retrospective trials that met the inclusion criteria were included in the meta-analysis for a total of 378 patients, including 152 patients undergoing RAMPS and 226 patients undergoing the standard procedure [20, 24, 27,28,29,30]
No Randomized controlled trials (RCTs) had been published at the time of our search
Summary
Radical antegrade modular pancreatosplenectomy (RAMPS), first reported by Strasberg in 2003, has attracted increasing attention in the treatment of left-sided pancreatic cancer. The limited number of cases eligible for RAMPS makes it difficult to perform any prospective randomized trial of RAMPS versus the standard procedure. We performed this systemic review and meta-analysis of the current data to clarify the role of the RAMPS procedure. Systemic review and meta-analysis of the current retrospective data comparing RAMPS and the standard procedure are necessary and useful to clarify the role the RAMPS in the treatment of left-sided pancreatic cancer
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