Related Experiment Video
Updated: Mar 26, 2026
05:34
5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
Published on: April 4, 2025
1.9K
Using a Harmonic Scalpel "Drilling and Clamping" Method to Implement Zero Ischemic Robotic-assisted Partial
Chen-Pang Hou1, Yu-Hsiang Lin, Yu-Chao Hsu
1From the Department of Urology, Chang Gung Memorial Hospital at Linkou (K-HT, P-LC); School of Medicine, Chang Gung University (K-H T, P-LC, C-PH, Y-HL, Y-CH, C-LC); Kwei-Shan, Tao-Yuan, Taiwan.
Medicine
|January 29, 2016
Summary
This study introduces a novel zero-ischemic technique for robot-assisted partial nephrectomy (RAPN) using a harmonic scalpel. The method minimizes ischemia, preserving renal function in patients undergoing minimally invasive surgery for small renal tumors.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Robotic Surgery
Background:
- Robot-assisted partial nephrectomy (RAPN) is a prevalent minimally invasive approach for small renal tumors.
- Minimizing ischemic injury during partial nephrectomy is crucial for preserving renal function.
- Traditional RAPN often requires hilar clamping, potentially leading to renal ischemia.
Observation:
- A novel harmonic scalpel
- drilling and clamping
- method for zero-ischemic RAPN was developed and tested.
- Nineteen consecutive zero-ischemic RAPN procedures were performed by a single surgeon.
- Hilar clamping was avoided in 18 out of 19 procedures.
Findings:
- The median tumor size was 3.4 cm, with operative times averaging 3.2 hours and minimal blood loss (100 mL).
- Postoperative renal function, indicated by serum creatinine and estimated glomerular filtration rate, remained comparable to preoperative levels.
- Pathology revealed renal cell carcinoma in 63.2%, angiomyolipoma in 31.5%, and oncocytoma in 5.3% of cases.
Implications:
- This harmonic scalpel
- drilling and clamping
- technique offers a feasible and reproducible method for zero-ischemic RAPN.
- The technique has the potential to improve renal function outcomes following nephron-sparing surgery.
- Further studies are warranted to validate these initial perioperative outcomes in a larger patient cohort.
