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Minimally Invasive Versus Open Pancreatectomy for Right-Sided and Left-Sided G1/G2 Nonfunctioning Pancreatic Neuroendocrine Tumors: A Multicenter Matched Analysis with an Inverse Probability of Treatment-Weighting Method

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Author(s)
Ho Kyoung HwangKi Byung SongMinsu ParkWooil KwonJin-Young JangJin Seok HeoDong Wook ChoiChang Moo KangJoon Seong ParkTae Ho HongChol Kyoon ChoKeun Soo AhnHuisong LeeSeung Eun LeeChi-Young JeongYoung Hoon RohHee Joon KimDae Wook HwangSong Cheol KimHo-Seong HanYoo-Seok Yoon
Keimyung Author(s)
Ahn, Keun Soo
Department
Dept. of Surgery (외과학)
Journal Title
Ann Surg Oncol
Issued Date
2021
Volume
28
Issue
12
Abstract
Background:
Limited evidence exists for the safety and oncologic efficacy of minimally invasive surgery (MIS) for nonfunctioning pancreatic neuroendocrine tumors (NF-PNETs) according to tumor location. This study aimed to compare the surgical outcomes of MIS and open surgery (OS) for right- or left-sided NF-PNETs.

Methods:
The study collected data on patients who underwent surgical resection (pancreatoduodenectomy, distal/total/central pancreatectomy, duodenum-preserving pancreas head resection, or enucleation) of a localized NF-PNET between January 2000 and July 2017 at 14 institutions. The inverse probability of treatment-weighting method with propensity scores was used for analysis.

Results:
The study enrolled 859 patients: 478 OS and 381 MIS patients. A matched analysis by tumor location showed no differences in resection margin, intraoperative blood loss, or complications between MIS and OS. However, MIS was associated with a longer operation time for right-sided tumors (393.3 vs 316.7 min; P < 0.001) and a shorter postoperative hospital stay for left-sided tumors (8.9 vs 12.9 days; P < 0.01). The MIS group was associated with significantly higher survival rates than the OS group for right- and left-sided tumors, but survival did not differ for the patients divided by tumor grade and location. Multivariable analysis showed that MIS did not affect survival for any tumor location.

Conclusion:
The short-term outcomes offered by MIS were comparable with those of OS except for a longer operation time for right-sided NF-PNETs. The oncologic outcomes were not compromised by MIS regardless of tumor location or grade. These findings suggest that MIS can be performed safely for selected patients with localized NF-PNETs.
Keimyung Author(s)(Kor)
안근수
Publisher
School of Medicine (의과대학)
Citation
Ho Kyoung Hwang et al. (2021). Minimally Invasive Versus Open Pancreatectomy for Right-Sided and Left-Sided G1/G2 Nonfunctioning Pancreatic Neuroendocrine Tumors: A Multicenter Matched Analysis with an Inverse Probability of Treatment-Weighting Method. Ann Surg Oncol, 28(12), 7742–7758. doi: 10.1245/s10434-021-10092-0
Type
Article
ISSN
1534-4681
Source
https://link.springer.com/article/10.1245%2Fs10434-021-10092-0
DOI
10.1245/s10434-021-10092-0
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/43775
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Surgery (외과학)
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