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Purpose <p>Incisional hernia (IH) often develops during surveillance after colorectal cancer surgery, with repair sometimes delayed due to the risk of recurrence. This study aimed to identify the risk factors for IH enlargement by objectively measuring the changes in defect size.</p> Methods <p>We retrospectively analyzed 83 patients who developed IH after curative laparoscopic colorectal surgery at the Osaka Rosai Hospital between 2017 and 2021. Computed tomography was used to measure the IH defect sizes at diagnosis and at the end of the surveillance. Univariate and multivariate analyses were performed to determine the risk factors for enlargement.</p> Results <p>The median IH defect size increased from 23.7 to 32.7&#xa0;mm over a median follow-up of 1003&#xa0;days. The highest quartile of defect size change was 12.1&#xa0;mm and was used to classify patients into stable and enlarged IH groups. A multivariate analysis revealed that a high body mass index (≥ 25&#xa0;kg/m<sup>2</sup>; odds ratio [OR] 3.527, p = 0.037), early IH discovery (&lt; 225&#xa0;days after surgery; OR 4.753, p = 0.012), and high neutrophil-to-lymphocyte ratio (&gt; 2.45; OR 3.604, p = 0.031) were independent risk factors for IH enlargement.</p> Conclusions <p>Obesity, early IH development, and systemic inflammation are associated with IH progression. Careful monitoring of patients with these risk factors is warranted.</p>

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Risk factors of incisional hernia enlargement after colorectal cancer surgery: a retrospective, single-center study

  • 期刊论文

  • 发表日期：

    2025年9月14日

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  • Koki Tamai,
  • Mitsuyoshi Tei,
  • Naoto Tsujimura,
  • Kentaro Nishida,
  • Soichiro Mori,
  • Yukihiro Yoshikawa,
  • Masatoshi Nomura,
  • Nobuyoshi Ohara,
  • Takuya Hamakawa,
  • Daisuke Takiuchi,
  • Masanori Tsujie,
  • Yusuke Akamaru

摘要

Purpose

Incisional hernia (IH) often develops during surveillance after colorectal cancer surgery, with repair sometimes delayed due to the risk of recurrence. This study aimed to identify the risk factors for IH enlargement by objectively measuring the changes in defect size.

Methods

We retrospectively analyzed 83 patients who developed IH after curative laparoscopic colorectal surgery at the Osaka Rosai Hospital between 2017 and 2021. Computed tomography was used to measure the IH defect sizes at diagnosis and at the end of the surveillance. Univariate and multivariate analyses were performed to determine the risk factors for enlargement.

Results

The median IH defect size increased from 23.7 to 32.7 mm over a median follow-up of 1003 days. The highest quartile of defect size change was 12.1 mm and was used to classify patients into stable and enlarged IH groups. A multivariate analysis revealed that a high body mass index (≥ 25 kg/m2; odds ratio [OR] 3.527, p = 0.037), early IH discovery (< 225 days after surgery; OR 4.753, p = 0.012), and high neutrophil-to-lymphocyte ratio (> 2.45; OR 3.604, p = 0.031) were independent risk factors for IH enlargement.

Conclusions

Obesity, early IH development, and systemic inflammation are associated with IH progression. Careful monitoring of patients with these risk factors is warranted.