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Purpose <p>The benefits of interval appendectomy (IA) in complicated appendicitis are well known. However, these remain unclear in uncomplicated appendicitis (UA) despite patients with UA often receiving IA in actual clinical situations. This study investigated whether IA is an effective strategy for the treatment of UA.</p> Methods <p>We included Patients diagnosed with UA who underwent laparoscopic surgery between January 2017 and December 2023 were included. We compared the surgical outcomes between the emergency surgery (ES) and IA groups and analyzed 12 factors to identify risk factors for postoperative complications.</p> Results <p>263 patients (ES group, <i>N</i> = 161; IA group, <i>N</i> = 102) were enrolled. The rates of any complication, Clavien–Dindo (C–D) grade ≥ I, and severe complication, C–D grade ≥ III, were similar (<i>P</i> = 0.38, <i>P</i> = 0.26) in both groups. In contrast, the total length of hospital stay was shorter in the ES group (<i>P</i> &lt; 0.001). Among the 263 patients, postoperative complications of any type were observed in 14 (5.3%). A multivariate analysis identified no independent risk factors for postoperative complications including ES.</p> Conclusion <p><b>The</b> surgical outcomes of ES in patients with UA were favorable. Therefore, the benefits of IA are minimal and it may not be the first therapeutic choice for UA.</p>

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Treatment of uncomplicated appendicitis: is interval appendectomy an effective strategy?

  • 期刊论文

  • 发表日期：

    2026年2月2日

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  • Kohki Takeda,
  • Takeshi Yamada,
  • Ryo Ohta,
  • Kay Uehara,
  • Akihisa Matsuda,
  • Seiichi Shinji,
  • Yasuyuki Yokoyama,
  • Goro Takahashi,
  • Takuma Iwai,
  • Koki Hayashi,
  • Hiroshi Yoshida

摘要

Purpose

The benefits of interval appendectomy (IA) in complicated appendicitis are well known. However, these remain unclear in uncomplicated appendicitis (UA) despite patients with UA often receiving IA in actual clinical situations. This study investigated whether IA is an effective strategy for the treatment of UA.

Methods

We included Patients diagnosed with UA who underwent laparoscopic surgery between January 2017 and December 2023 were included. We compared the surgical outcomes between the emergency surgery (ES) and IA groups and analyzed 12 factors to identify risk factors for postoperative complications.

Results

263 patients (ES group, N = 161; IA group, N = 102) were enrolled. The rates of any complication, Clavien–Dindo (C–D) grade ≥ I, and severe complication, C–D grade ≥ III, were similar (P = 0.38, P = 0.26) in both groups. In contrast, the total length of hospital stay was shorter in the ES group (P < 0.001). Among the 263 patients, postoperative complications of any type were observed in 14 (5.3%). A multivariate analysis identified no independent risk factors for postoperative complications including ES.

Conclusion

The surgical outcomes of ES in patients with UA were favorable. Therefore, the benefits of IA are minimal and it may not be the first therapeutic choice for UA.