• Michał Pędziwiatr, Piotr Małczak, Magdalena Pisarska, Piotr Major, Michał Wysocki, Tomasz Stefura, and Andrzej Budzyński.
• 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Krakow, Poland. michal.pedziwiatr@uj.edu.pl.
• Langenbecks Arch Surg. 2017 Aug 1; 402 (5): 841-851.

PurposeThe purpose of this systematic review was to compare minimally invasive pancreatoduodenectomy (MIPD) versus open pancreatoduodenectomy (OPD) by using meta-analytical techniques.MethodologyMedline, Embase, and Cochrane Library were searched for eligible studies. Data from included studies were extracted for the following outcomes: operative time, overall morbidity, pancreatic fistula, delayed gastric emptying, blood loss, postoperative hemorrhage, yield of harvested lymph nodes, R1 rate, length of hospital stay, and readmissions. Random and fix effect meta-analyses were undertaken.ResultsInitial reference search yielded 747 articles. Thorough evaluation resulted in 12 papers, which were analyzed. The total number of patients was 2186 (705 in MIPD group and 1481 in OPD). Although there were no differences in overall morbidity between groups, we noticed reduced blood loss, delayed gastric emptying, and length of hospital stay in favor of MIPD. In contrary, meta-analysis of operative time revealed significant differences in favor of open procedures. Remaining parameters did not differ among groups.ConclusionOur review suggests that although MIPD takes longer, it may be associated with reduced blood loss, shortened LOS, and comparable rate of perioperative complications. Due to heterogeneity of included studies and differences in baseline characteristics between analyzed groups, the analysis of short-term oncological outcomes does not allow drawing unequivocal conclusions.

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