Journal
ANNALS OF SURGERY
Volume 277, Issue 1, Pages E119-E125Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLA.0000000000004963
Keywords
distal pancreatectomy; minimally invasive surgery; spleen-preservation
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This study compared short-term clinical outcomes after Kimura and Warshaw spleen-sparing minimally invasive distal pancreatectomy (MIDP). The rates of secondary splenectomy and major complications did not differ significantly between Kimura and Warshaw MIDP. Kimura MIDP was associated with longer operative time and less blood loss compared to Warshaw MIDP.
Objective:To compare short-term clinical outcomes after Kimura and Warshaw MIDP. Background:Spleen preservation during distal pancreatectomy can be achieved by either preservation (Kimura) or resection (Warshaw) of the splenic vessels. Multicenter studies reporting outcomes of Kimura and Warshaw spleen-preserving MIDP are scarce. Methods:Multicenter retrospective study including consecutive MIDP procedures intended to be spleen-preserving from 29 high-volume centers (>= 15 distal pancreatectomies annually) in 8 European countries. Primary outcomes were secondary splenectomy for ischemia and major (Clavien-Dindo grade >= III) complications. Sensitivity analysis assessed the impact of excluding (rescue) Warshaw procedures which were performed in centers that typically (>75%) performed Kimura MIDP. Results:Overall, 1095 patients after MIDP were included with successful splenic preservation in 878 patients (80%), including 634 Kimura and 244 Warshaw procedures. Rates of clinically relevant splenic ischemia (0.6% vs 1.6%, P = 0.127) and major complications (11.5% vs 14.4%, P = 0.308) did not differ significantly between Kimura and Warshaw MIDP, respectively. Mortality rates were higher after Warshaw MIDP (0.0% vs 1.2%, P = 0.023), and decreased in the sensitivity analysis (0.0% vs 0.6%, P = 0.052). Kimura MIDP was associated with longer operative time (202 vs 184 minutes, P = 0.033) and less blood loss (100 vs 150 mL, P < 0.001) as compared to Warshaw MIDP. Unplanned splenectomy was associated with a higher conversion rate (20.7% vs 5.0%, P < 0.001). Conclusions:Kimura and Warshaw spleen-preserving MIDP provide equivalent short-term outcomes with low rates of secondary splenectomy and postoperative morbidity. Further analyses of long-term outcomes are needed.
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