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Comparison of different suture techniques for laparoscopic vaginal cuff closure
Christiane E Förster1, Iliana Calabretti2, Laura Gubser2
1Department of Gynecological Oncology, University Hospital Basel, 4056, Basel, Switzerland.
Scientific Reports
|February 28, 2024
Summary
Barbed sutures offer a faster and more secure vaginal cuff closure during laparoscopic hysterectomy compared to traditional knotting techniques. This study highlights barbed suturing as a time-saving method with improved tension resistance for this surgical step.
Area of Science:
- Minimally Invasive Surgery
- Surgical Techniques
- Gynecologic Surgery
Background:
- Laparoscopic hysterectomy is common, but vaginal cuff dehiscence is a significant risk.
- Current methods for vaginal cuff closure lack standardized suture materials or techniques.
- This variability may impact surgical outcomes and patient safety.
Purpose of the Study:
- To compare the efficacy of intracorporeal knotting, extracorporeal knotting, and continuous, unidirectional barbed sutures for vaginal cuff closure.
- To evaluate task completion time, tension resistance, and error rates across different suturing techniques.
- To assess surgeon preferences and perceived performance via a post-exercise questionnaire.
Main Methods:
- Eighteen surgical experts utilized a pelvic trainer model with artificial tissue for vaginal cuff closure.
- Techniques included intracorporeal knotting, extracorporeal knotting, and barbed sutures, applied in a randomized block design.
- Objective metrics (time, tension resistance, errors) and subjective feedback were collected.
Main Results:
- Barbed sutures significantly reduced completion time and increased tension resistance compared to both intracorporeal and extracorporeal knotting (p < 0.001).
- Intracorporeal knotting was faster and offered greater tension resistance than extracorporeal knotting (p = 0.04, p = 0.023).
- Higher annual surgical volume correlated positively with longer vaginal cuff closure duration.
Conclusions:
- Continuous, unidirectional barbed sutures represent a time-saving and robust method for vaginal cuff closure in laparoscopic hysterectomy.
- Both barbed and intracorporeal knotting techniques demonstrate advantages over extracorporeal knotting.
- Further research may explore clinical applications and long-term outcomes of these techniques.
