Risk of leakage with a new detachable multi-hard-port containment system for power morcellation during gynecologic laparoscopy: An in vitro study
BMC surgery(2023)
摘要
Background Laparoscopic surgery has been a milestone for minimally invasive surgeries. But safe removal of large uterine tissue is a challenge for minimally invasive procedures, and there still exists concern about the dissemination of benign or occult malignant uterine tissue during the use of the morcellator. Different tissue containment systems have been used in laparoscopic power morcellation. However, a risk of leakage still exists in clinical practice. In this study, we aimed to evaluate leakage and tissue dissemination associated with a new detachable multi-hard-port containment system for tissue removal during laparoscopic myomectomy morcellation. Methods Beef tongue specimens were stained with methylene blue solution and morcellated in a plastic trainer box under laparoscopic guidance. The morcellation test in vitro conditions comprised two different containment systems to simulate laparoscopic power morcellation, specifically a polyurethane bag with two pipes (control group) and a detachable multi-hard-port containment system (experimental group). Insufflation pressure was set at 14 mmHg. Three methods are used to detect the leakage The procedure times were recorded. Thirty trials were performed using a multi-port approach and the two tissue containment systems. Results The leakage rate was 0.03% ( n = 30) for the experimental group and 26.6% ( n = 30) for the control group ( p < 0.005). Morcellation time was significantly shorter in the experimental group than in the control group ( p < 0.001). Median bag introduction time was shorter in the experimental group than in the control group; however, removal time differences were not significant. Conclusions This study quantified the low leakage rate during morcellation and the improved convenience of operation provided by a new tissue containment system.
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关键词
Laparoscopy,Power morcellation,Myomectomy,Tissue extraction
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