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Clinical impact of perirenal thickness on short‐ and long‐term outcomes of gastric cancer after curative surgery
Author(s) -
Eto Kojiro,
Yoshida Naoya,
Iwatsuki Masaaki,
Iwagami Shiro,
Nakamura Kenichi,
Morita Keisuke,
Ikeshima Satoshi,
Horino Kei,
Shimada Shinya,
Baba Hideo
Publication year - 2022
Publication title -
annals of gastroenterological surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.308
H-Index - 15
ISSN - 2475-0328
DOI - 10.1002/ags3.12547
Subject(s) - medicine , hazard ratio , odds ratio , confidence interval , cancer , surgery , radical surgery , gastroenterology , surgical margin
Background A variety of factors for short‐ and long‐term outcomes have been reported after radical resection for gastric cancer (GC). Obesity and emaciation had been reported to be a cause of poor short‐ and long‐term outcomes with gastrointestinal cancer. However, the indicators are still controversial. The purpose of this study was to evaluate the relationship between perirenal thickness (PT) and short‐ and long‐term outcomes after radical surgery for GC. Methods We analyzed the data of 364 patients with GC who underwent radical surgery. We evaluated the distance from the anterior margin of the quadratus lumborum muscle to the dorsal margin of the left renal pole using computed tomography (CT) as an indicator of PT. The association between PT and clinicopathological factors and short‐ and long‐term outcomes was evaluated. Results The PT data were divided into low, normal, and high groups by gender using the tertile value. We found that the PT low group was 121 patients, normal group was 121 patients, and high group was 122 patients. Multivariate analyses showed that the high PT group was an independent risk factor for a short‐outcome after curative surgery in GC patients (odds ratio 2.163; 95% confidence interval [CI] 1.156–4.046; P  = .016). And the low PT group was an independent risk factor for overall survival (hazard ratio 2.488; 95% CI 1.400–4.421; P  = .0019) and relapse‐free survival (hazard ratio 2.342; 95% CI 1.349–4.064; P  = .0025) after curative surgery in GC patients. Conclusion Perirenal thickness is a simple and useful factor for predicting short‐ and long‐term outcomes after radical surgery for GC.

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