Matched Case-Control Comparative Study of Laparoscopic Versus Open Pancreaticoduodenectomy for Malignant Lesions

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Abstract

Introduction:

Advances in surgical technologies allowed safe laparoscopic pancreaticoduodenectomy (LPD). The aim of this study is to compare the oncologic outcomes of LPD to open pancreaticoduodenectomy (OPD) in terms of safety and recurrence rate.

Materials and Methods:

A cohort of 30 patients were matched for age, sex, American Society of Anaesthesiologists, tumor size, pancreatic duct diameter, and histopathologic diagnosis on a 1:1 basis (15 LPD, 15 OPD). Comparison between groups was performed on intention-to-treat basis. Survival following resection was compared using the Kaplan-Meier survival analysis.

Results:

The median operating time for LPD group was longer than for OPD group (470 vs. 310 min; P=0.184). However, estimated blood loss (300 vs. 620 mL; P=0.023), high dependency unit stay (2.0 vs. 6.0 d; P=0.013) and postoperative hospital stay (9.0 vs. 17.4 d; P=0.017) were significantly lower in the LPD group. There was no significant difference in postoperative rates of morbidity (40% vs. 67%; P=0.431) and mortality (0% vs. 6.7%; P=0.99). The surgical resection margins R0 status (87% vs. 73%; P=0.79) and the number of lymph nodes (18 vs. 20; P=0.99) in the resected specimens were comparable between the 2 groups. There was no significant difference in overall survival outcomes.

Conclusions:

In selected patients, the laparoscopic approach to pancreaticoduodenectomy in the hands of the experienced offers advantages over open surgery without compromising the oncologic resection.

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