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Article: Utility of the Iwate difficulty scoring system for laparoscopic right posterior sectionectomy: do surgical outcomes differ for tumors in segments VI and VII?

TitleUtility of the Iwate difficulty scoring system for laparoscopic right posterior sectionectomy: do surgical outcomes differ for tumors in segments VI and VII?
Authors
KeywordsDifficulty score
Iwate
Laparoscopic hepatectomy
Laparoscopic liver
Right posterior sectionectomy
Issue Date1-Dec-2022
PublisherSpringer
Citation
Surgical Endoscopy, 2022, v. 36, n. 12, p. 9204-9214 How to Cite?
Abstract

Introduction: The Iwate Score (IS) have not been well-validated for specific procedures, especially for right posterior sectionectomy (RPS). In this study, the utility of the IS was determined for laparoscopic (L)RPS and the effect of tumor location on surgical outcomes was investigated. Methods: Post-hoc analysis of 647 L-RPS performed in 40 international centers of which 596L-RPS cases met the inclusion criteria. Baseline characteristics and perioperative outcomes of patients stratified based on the Iwate score were compared to determine whether a correlation with surgical difficulty existed. A 1:1 Mahalanobis distance matching was utilized to investigate the effect of tumor location on L-RPS outcomes. Results: The patients were stratified into 3 levels of difficulty (31 intermediate, 143 advanced, and 422 expert) based on the IS. When using a stepwise increase of the IS excluding the tumor location score, only Pringle’s maneuver was more frequently used in the higher surgical difficulty level (35.5%, 54.6%, and 65.2%, intermediate, advanced, and expert levels, respectively, Z = 3.34, p = 0.001). Other perioperative results were not associated with a statistical gradation toward higher difficulty level. 80 of 85 patients with a segment VI lesion and 511 patients with a segment VII lesion were matched 1:1. There were no significant differences in the perioperative outcomes of the two groups including open conversion, operating time, blood loss, intraoperative blood transfusion, postoperative stay, major morbidity, and mortality. Conclusion: Among patients undergoing L-RPS, the IS did not significantly correlate with most outcome measures associated with intraoperative difficulty and postoperative outcomes. Similarly, tumor location had no effect on L-RPS outcomes.


Persistent Identifierhttp://hdl.handle.net/10722/337514
ISSN
2023 Impact Factor: 2.4
2023 SCImago Journal Rankings: 1.120
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChoi, SH-
dc.contributor.authorChen, KH-
dc.contributor.authorSyn, NL-
dc.contributor.authorCipriani, F-
dc.contributor.authorCheung, TT-
dc.contributor.authorChiow, AKH-
dc.contributor.authorChoi, GH-
dc.contributor.authorSiow, TF-
dc.contributor.authorSucandy, I-
dc.contributor.authorMarino, MV-
dc.contributor.authorChoi, SH-
dc.contributor.authorChen, KH-
dc.contributor.authorSyn, NL-
dc.contributor.authorCipriani, F-
dc.contributor.authorCheung, TT-
dc.contributor.authorChiow, AKH-
dc.contributor.authorChoi, GH-
dc.contributor.authorSiow, TF-
dc.contributor.authorSucandy, I-
dc.contributor.authorMarino, MV-
dc.contributor.authorGastaca, M-
dc.contributor.authorChong, CC-
dc.contributor.authorLee, JH-
dc.contributor.authorIvanecz, A-
dc.contributor.authorMazzaferro, V-
dc.contributor.authorLopez-Ben, S-
dc.contributor.authorFondevila, C-
dc.contributor.authorRotellar, F-
dc.contributor.authorCampos, RR-
dc.contributor.authorEfanov, M-
dc.contributor.authorKingham, TP-
dc.contributor.authorSutcliffe, RP-
dc.contributor.authorTroisi, RI-
dc.contributor.authorPratschke, J-
dc.contributor.authorWang, XY-
dc.contributor.authorD'Hondt, M-
dc.contributor.authorYong, CC-
dc.contributor.authorSandri, GBL-
dc.contributor.authorTang, CN-
dc.contributor.authorRuzzenente, A-
dc.contributor.authorCherqui, D-
dc.contributor.authorFerrero, A-
dc.contributor.authorWakabayashi, G-
dc.contributor.authorScatton, O-
dc.contributor.authorAghayan, D-
dc.contributor.authorEdwin, B-
dc.contributor.authorCoelho, FF-
dc.contributor.authorGiuliante, F-
dc.contributor.authorLiu, R-
dc.contributor.authorSijberden, J-
dc.contributor.authorAbu Hilal, M-
dc.contributor.authorSugioka, A-
dc.contributor.authorLong, TCD-
dc.contributor.authorFuks, D-
dc.contributor.authorAldrighetti, L-
dc.contributor.authorHan, HS-
dc.contributor.authorGoh, BKP-
dc.date.accessioned2024-03-11T10:21:29Z-
dc.date.available2024-03-11T10:21:29Z-
dc.date.issued2022-12-01-
dc.identifier.citationSurgical Endoscopy, 2022, v. 36, n. 12, p. 9204-9214-
dc.identifier.issn0930-2794-
dc.identifier.urihttp://hdl.handle.net/10722/337514-
dc.description.abstract<p> <span>Introduction: The Iwate Score (IS) have not been well-validated for specific procedures, especially for right posterior sectionectomy (RPS). In this study, the utility of the IS was determined for laparoscopic (L)RPS and the effect of tumor location on surgical outcomes was investigated. Methods: Post-hoc analysis of 647 L-RPS performed in 40 international centers of which 596L-RPS cases met the inclusion criteria. Baseline characteristics and perioperative outcomes of patients stratified based on the Iwate score were compared to determine whether a correlation with surgical difficulty existed. A 1:1 Mahalanobis distance matching was utilized to investigate the effect of tumor location on L-RPS outcomes. Results: The patients were stratified into 3 levels of difficulty (31 intermediate, 143 advanced, and 422 expert) based on the IS. When using a stepwise increase of the IS excluding the tumor location score, only Pringle’s maneuver was more frequently used in the higher surgical difficulty level (35.5%, 54.6%, and 65.2%, intermediate, advanced, and expert levels, respectively, Z = 3.34, p = 0.001). Other perioperative results were not associated with a statistical gradation toward higher difficulty level. 80 of 85 patients with a segment VI lesion and 511 patients with a segment VII lesion were matched 1:1. There were no significant differences in the perioperative outcomes of the two groups including open conversion, operating time, blood loss, intraoperative blood transfusion, postoperative stay, major morbidity, and mortality. Conclusion: Among patients undergoing L-RPS, the IS did not significantly correlate with most outcome measures associated with intraoperative difficulty and postoperative outcomes. Similarly, tumor location had no effect on L-RPS outcomes.</span> <br></p>-
dc.languageeng-
dc.publisherSpringer-
dc.relation.ispartofSurgical Endoscopy-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectDifficulty score-
dc.subjectIwate-
dc.subjectLaparoscopic hepatectomy-
dc.subjectLaparoscopic liver-
dc.subjectRight posterior sectionectomy-
dc.titleUtility of the Iwate difficulty scoring system for laparoscopic right posterior sectionectomy: do surgical outcomes differ for tumors in segments VI and VII?-
dc.typeArticle-
dc.identifier.doi10.1007/s00464-022-09404-6-
dc.identifier.scopuseid_2-s2.0-85134495032-
dc.identifier.volume36-
dc.identifier.issue12-
dc.identifier.spage9204-
dc.identifier.epage9214-
dc.identifier.eissn1432-2218-
dc.identifier.isiWOS:000826826200004-
dc.identifier.issnl0930-2794-

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