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. 2022 Feb 1;157(2):120-128.
doi: 10.1001/jamasurg.2021.5834.

Categorization of Differing Types of Total Pancreatectomy

Martin Loos  1 , Mohammed Al-Saeedi  1 , Ulf Hinz  1 , Arianeb Mehrabi  1 , Martin Schneider  1 , Christoph Berchtold  1 , Beat P Müller-Stich  1 , Thomas Schmidt  2 , Yakup Kulu  1 , Katrin Hoffmann  1 , Oliver Strobel  3 , Thilo Hackert  1 , Markus W Büchler  1
Affiliations

Categorization of Differing Types of Total Pancreatectomy

Martin Loos et al. JAMA Surg. .

Abstract

Importance: Comparability of morbidity and mortality rates after total pancreatectomy (TP) reported by different surgical centers is limited. Procedure-specific differences, such as the extent of resection, including additional vascular or multivisceral resections, are rarely acknowledged when postoperative outcomes are reported.

Objectives: To evaluate postoperative outcomes after TP and categorize different types of TP based on the extent, complexity, and technical aspects of each procedure.

Design, setting, and participants: This single-center study included a retrospective cohort of 1451 patients who had undergone TP between October 1, 2001, and December 31, 2020. Each patient was assigned to 1 of the following 4 categories that reflect increasing levels of procedure-related difficulty: standard TP (type 1), TP with venous resection (type 2), TP with multivisceral resection (type 3), and TP with arterial resection (type 4). Postoperative outcomes among the groups were compared.

Main outcomes and measures: Categorization of different types of TP based on the procedure-related difficulty and differing postoperative outcomes.

Results: Of the 1451 patients who had undergone TP and were included in the analysis, 840 were men (57.9%); median age was 64.9 (IQR, 56.7-71.7) years. A total of 676 patients (46.6%) were assigned to type 1, 296 patients (20.4%) to type 2, 314 patients (21.6%) to type 3, and 165 patients (11.4%) to type 4 TP. A gradual increase in surgical morbidity was noted by TP type (type 1: 255 [37.7%], type 2: 137 [46.3%], type 3: 178 [56.7%], and type 4: 98 [59.4%]; P < .001), as was noted for median length of hospital stay (type 1: 14 [IQR, 10-19] days, type 2: 16 [IQR, 12-23] days, type 3: 17 [IQR, 13-29] days, and type 4: 18 [IQR, 13-30] days; P < .001), and 90-day mortality (type 1: 23 [3.4%], type 2: 17 [5.7%], type 3: 29 [9.2%], and type 4: 20 [12.1%]; P < .001). In the multivariable analysis, type 3 (TP with multivisceral resection) and type 4 (TP with arterial resection) were independently associated with an increased 90-day mortality rate.

Conclusions and relevance: The findings of this study suggest there are significant differences in postoperative outcomes when the extent, complexity, and technical aspects of the procedure are considered. Classifying TP into 4 different categories may allow for better postoperative risk stratification as well as more accurate comparisons in future studies.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Figures

Figure.
Figure.. Number and Type of Total Pancreatectomies (TPs) Performed per 4-Year Interval and Type of TP
PV indicates portal vein; SMV, superior mesenteric vein.
See this image and copyright information in PMC

Comment in

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