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Unplanned conversion during minimally invasive liver resection for hepatocellular carcinoma: risk factors and surgical outcomes

Authors
 Jee Yeon Lee  ;  Seoung Yoon Rho  ;  Dai Hoon Han  ;  Jin Sub Choi  ;  Gi Hong Choi 
Citation
 ANNALS OF SURGICAL TREATMENT AND RESEARCH, Vol.98(1) : 23-30, 2020 
Journal Title
 ANNALS OF SURGICAL TREATMENT AND RESEARCH 
ISSN
 2288-6575 
Issue Date
2020
Keywords
Hepatocelluar carcinoma ; Minimally invasive liver resection ; Open conversion
Abstract
Purpose: Unplanned conversion is sometimes necessary during minimally invasive liver resection (MILR) of hepatocellular carcinoma (HCC). The aims of this study were to compare surgical outcomes of planned MILR and unplanned conversion and to investigate the risk factors after unplanned conversion. Methods: We retrospectively analyzed 286 patients who underwent MILR with HCC from January 2006 to December 2017. All patients were divided into a MILR group and an unplanned conversion group. The clinicopathologic characteristics and outcomes were compared between the 2 groups. In addition, surgical outcomes in the conversion group were compared with the planned open surgery group (n = 505). Risk factors for unplanned conversion were analyzed. Results: Of the 286 patients who underwent MILR, 18 patients (6.7%) had unplanned conversion during surgery. The unplanned conversion group showed statistically more blood loss, higher transfusion rate and postoperative complication rate, and longer hospital stay compared to the MILR group, whereas no such difference was observed in comparison with the planned open surgery group. There were no significant differences in overall and disease-free survival among 3 groups. The right-sided sectionectomy (right anterior and posterior sectionectomy), central bisectionectomy and tumor size were risk factors of unplanned conversion. Conclusion: Unplanned conversion during MILR for HCC was associated with poor perioperative outcomes, but it did not affect long-term oncologic outcomes in our study. In addition, when planning right-sided sectionectomy or central bisectionectomy for a large tumor (more than 5 cm), we should recommend open surgery or MILR with an informed consent for unplanned open conversions.
Files in This Item:
T202000105.pdf Download
DOI
10.4174/astr.2020.98.1.23
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Rho, Seoung Yoon(노승윤) ORCID logo https://orcid.org/0000-0002-1265-826X
Choi, Gi Hong(최기홍) ORCID logo https://orcid.org/0000-0002-1593-3773
Choi, Jin Sub(최진섭)
Han, Dai Hoon(한대훈) ORCID logo https://orcid.org/0000-0003-2787-7876
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/174892
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