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Background <p>Although complex anatomical liver resections are more often being performed laparoscopically, the short-term outcomes following laparoscopic anatomical liver resection (LALR), its optimal indications, and limitations remain unclear. This study aimed to clarify the indications for and limitations of LALR by assessing the short-term outcomes.</p> Methods <p>This retrospective study included 233 patients who underwent LALR. The complexity of LALR was categorized into three levels: Grade I (low), grade II (moderate), and grade III (high). Short-term outcomes were compared among these groups, and the risk factors for severe morbidity were identified.</p> Results <p>The patients’ backgrounds were similar across the three groups. Intraoperative blood loss, Pringle maneuver time, and postoperative hospital stay were comparable between grade I (<i>n</i> = 59) and grade II (<i>n</i> = 65) LALR but were greater for grade III (<i>n</i> = 109). The transfusion and conversion rates were similar among the three groups. The operative time increased with the rise in difficulty grade. The rate of severe morbidity was 3.4% in grade I, 6.2% in grade II, and 16.5% in grade III LALR (<i>P</i> = 0.012). Multivariable analysis identified three perioperative risk factors for severe morbidity: Operative time of ≥ 540&#xa0;min (odds ratio [OR] = 4.762, <i>P</i> = 0.009), intraoperative blood loss of ≥ 350&#xa0;mL (OR = 3.982, <i>P</i> = 0.024), and preoperative serum albumin of ≤ 3.8&#xa0;g/dL (OR = 3.518, <i>P</i> = 0.035).</p> Conclusions <p>Grade II LALR can be performed with the same level of safety as grade I LALR. However, grade III LALR has a higher complication rate than grades I and II LALR, and the risk increases further due to longer operative time and greater blood loss.</p>

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Indications for and limitations of laparoscopic anatomical liver resection: assessment of postoperative complications stratified by complexity of liver resection

  • 期刊论文

  • 发表日期：

    2025年1月30日

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  • Genki Watanabe,
  • Akishige Kanazawa,
  • Shintaro Kodai,
  • Atsushi Ishihara,
  • Daisuke Nagashima,
  • Tetsuzo Tashima,
  • Akihiro Murata,
  • Sadatoshi Shimizu,
  • Tadashi Tsukamoto

摘要

Background

Although complex anatomical liver resections are more often being performed laparoscopically, the short-term outcomes following laparoscopic anatomical liver resection (LALR), its optimal indications, and limitations remain unclear. This study aimed to clarify the indications for and limitations of LALR by assessing the short-term outcomes.

Methods

This retrospective study included 233 patients who underwent LALR. The complexity of LALR was categorized into three levels: Grade I (low), grade II (moderate), and grade III (high). Short-term outcomes were compared among these groups, and the risk factors for severe morbidity were identified.

Results

The patients’ backgrounds were similar across the three groups. Intraoperative blood loss, Pringle maneuver time, and postoperative hospital stay were comparable between grade I (n = 59) and grade II (n = 65) LALR but were greater for grade III (n = 109). The transfusion and conversion rates were similar among the three groups. The operative time increased with the rise in difficulty grade. The rate of severe morbidity was 3.4% in grade I, 6.2% in grade II, and 16.5% in grade III LALR (P = 0.012). Multivariable analysis identified three perioperative risk factors for severe morbidity: Operative time of ≥ 540 min (odds ratio [OR] = 4.762, P = 0.009), intraoperative blood loss of ≥ 350 mL (OR = 3.982, P = 0.024), and preoperative serum albumin of ≤ 3.8 g/dL (OR = 3.518, P = 0.035).

Conclusions

Grade II LALR can be performed with the same level of safety as grade I LALR. However, grade III LALR has a higher complication rate than grades I and II LALR, and the risk increases further due to longer operative time and greater blood loss.