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A controlled study of the argon beam coagulator for partial nephrectomy
A D Hernandez1, J A Smith, K G Jeppson
1Department of Surgery, University of Utah, Center for the Health Sciences, Salt Lake City.
The Journal of Urology
|May 1, 1990
Summary
The argon beam coagulator significantly reduced operative time and blood loss during canine partial nephrectomies compared to standard techniques. This surgical tool offers improved hemostasis with minimal thermal injury to kidney tissue.
Area of Science:
- Veterinary Surgery
- Surgical Technology
- Nephrology
Background:
- Partial nephrectomy is a common procedure for renal tumors.
- Hemostasis and minimizing thermal injury are critical during renal surgery.
- Standard techniques can involve significant blood loss and operative time.
Purpose of the Study:
- To evaluate the hemostatic capabilities of an argon beam coagulator.
- To assess the safety and thermal injury associated with argon beam coagulation in partial nephrectomies.
- To compare argon beam coagulation with standard surgical techniques in canine models.
Main Methods:
- Twenty-five canine partial nephrectomies were performed using an argon beam coagulator (130 watts).
- A control group of seven partial nephrectomies used standard surgical techniques.
- Procedures were conducted without renal cooling or renal artery clamping.
Main Results:
- Argon beam coagulation reduced mean operative time from 22 to 10 minutes (p<0.001).
- Mean blood loss decreased from 276 cc (standard) to 135 cc (argon beam) (p<0.001).
- A mean tissue necrosis depth of 2.4 mm was observed with the argon beam coagulator.
Conclusions:
- Argon beam coagulation is a safe and effective hemostatic tool for canine partial nephrectomy.
- This technique significantly reduces operative time and blood loss compared to standard methods.
- The argon beam coagulator demonstrates potential for improved outcomes in renal surgery.