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<p>This study evaluated the safety and feasibility of gasless laparoscopic cholecystectomy in dogs, identifying factors associated with surgical time and survival. Twenty-five dogs with symptomatic gallbladder disease—predominantly gallbladder mucocele (72.0%) and cholelithiasis—underwent cholecystectomy using a mechanical abdominal wall lift system. Variables including gallbladder volume, age, body condition score, and intraoperative complications were recorded. Statistical analyses employed Pearson’s chi-squared, Spearman’s correlation, regression analysis for surgical time predictors, and Kaplan-Meier survival analysis with log-rank tests. No significant association was found between breed and biliary condition. However, surgical time was significantly and positively correlated with body weight and body condition score (<i>p</i> &lt; 0.001). Linear regression indicated that each 1&#xa0;kg increase in body weight added approximately 4&#xa0;min to the procedure. Gallbladder volume did not correlate with surgical duration. Survival analysis revealed that dogs with gallbladder mucocele had a significantly lower probability of overall survival compared to cholelithiasis (<i>p</i> = 0.014). The results demonstrate that the gasless laparoscopic cholecystectomy is a viable and safe alternative for canine patients, especially those at a high cardiorespiratory risk. While increased body weight is a critical predictor of prolonged surgery, the primary biliary pathology remains the most significant determinant of survival.</p>

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Beyond pneumoperitoneum: technical feasibility and predictive factors for gasless laparoscopic cholecystectomy in dogs

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月3日

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  • Amanda Oliveira Paraguassú,
  • Otávio Henrique de Melo Schiefler,
  • Raquel Baumhardt,
  • Juan A Sánchez-Margallo,
  • Francisco M Sánchez-Margallo,
  • Vinicius da Silva Cadiñanos,
  • Gabriel Satoru Ohashi,
  • Franciéli Mallman Pozzobon,
  • Daniel Curvello de Mendonça Müller,
  • Maurício Veloso Brun

摘要

This study evaluated the safety and feasibility of gasless laparoscopic cholecystectomy in dogs, identifying factors associated with surgical time and survival. Twenty-five dogs with symptomatic gallbladder disease—predominantly gallbladder mucocele (72.0%) and cholelithiasis—underwent cholecystectomy using a mechanical abdominal wall lift system. Variables including gallbladder volume, age, body condition score, and intraoperative complications were recorded. Statistical analyses employed Pearson’s chi-squared, Spearman’s correlation, regression analysis for surgical time predictors, and Kaplan-Meier survival analysis with log-rank tests. No significant association was found between breed and biliary condition. However, surgical time was significantly and positively correlated with body weight and body condition score (p < 0.001). Linear regression indicated that each 1 kg increase in body weight added approximately 4 min to the procedure. Gallbladder volume did not correlate with surgical duration. Survival analysis revealed that dogs with gallbladder mucocele had a significantly lower probability of overall survival compared to cholelithiasis (p = 0.014). The results demonstrate that the gasless laparoscopic cholecystectomy is a viable and safe alternative for canine patients, especially those at a high cardiorespiratory risk. While increased body weight is a critical predictor of prolonged surgery, the primary biliary pathology remains the most significant determinant of survival.