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Laser tissue soldering in urinary tract reconstruction: first human experience
A J Kirsch1, M I Miller, T W Hensle
1Department of Urology, Squier Urological Clinic, Columbia University College of Physicians & Surgeons, New York, New York, USA.
Urology
|August 1, 1995
Summary
Laser tissue soldering (LTS) offers a safe and immediate leak-free seal in urologic reconstruction, potentially preventing complications. This Phase I trial shows promising results for LTS as an adjunct to suturing in reconstructive surgery.
Area of Science:
- Urology
- Surgical Innovation
- Biomaterials
Background:
- Conventional urologic repair can lead to complications like fistula and stricture.
- Laser tissue soldering (LTS) offers a potential alternative for immediate, leak-free tissue sealing.
Purpose of the Study:
- To investigate the safety and efficacy of LTS in urologic reconstructive surgery through a Phase I clinical trial.
- To evaluate LTS as an adjunct to standard microsuture repair.
Main Methods:
- Ten patients (3 months to 38 years) underwent urologic reconstruction using LTS with an albumin and indocyanine green protein solder.
- Microsuture repair was followed by laser-soldered suture line reinforcement.
- Anastomotic closure time, immediate leak pressure, and postoperative complications were assessed.
Main Results:
- LTS added an average of 7.9 minutes to anastomotic time.
- Laser-soldered anastomoses showed significantly higher leak pressure (94.2 mm Hg) compared to sutured anastomoses (20 mm Hg).
- No intraoperative or postoperative complications were observed during an average 7.1-month follow-up.
Conclusions:
- Laser tissue soldering is a safe and easily performed technique for urologic reconstruction.
- LTS provides immediate leak-free closure, superior to conventional suturing.
- Further studies are needed to determine long-term benefits and potential for sutureless/stent-free procedures.