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Renal hypothermia using ice slush for retroperitoneal laparoscopic partial nephrectomy.
Yoshihiko Wakabayashi1, Mitsuhiro Narita, Chul Jang Kim
1Department of Urology, Shiga University of Medical Science, Otsu, Shiga, Japan.
Urology
|April 10, 2004
Summary
Renal hypothermia was achieved using ice slush during laparoscopic partial nephrectomy in two patients. This technique effectively cooled the kidney, reaching temperatures as low as 18.4°C during ischemia.
Area of Science:
- Urology
- Surgical Innovation
- Nephrology
Background:
- Partial nephrectomy is a key procedure for kidney tumor treatment.
- Maintaining renal function during ischemia is crucial.
- Minimally invasive techniques aim to improve patient outcomes.
Observation:
- A novel technique for renal hypothermia was applied during retroperitoneal laparoscopic partial nephrectomy.
- Ice slush was introduced around the kidney via a specialized cylindrical device inserted through an enlarged port site.
- This method allowed for direct application of cooling to the renal parenchyma.
Findings:
- The study involved two patients undergoing this procedure.
- The nadir renal temperature achieved during renal ischemia was recorded.
- Temperatures reached 18.4°C in one patient and 25.8°C in the other, demonstrating effective cooling.
Implications:
- This ice slush technique offers a potential method for intraoperative renal protection during partial nephrectomy.
- Achieving significant renal hypothermia may help preserve kidney function post-surgery.
- Further research is warranted to evaluate the long-term benefits and safety of this approach.