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A new surgical technique for sutureless partial nephrectomy: renal sutureless device.
David Subirá-Rios1,2, Diego Trapero-Moreno3, Jorge Caño-Velasco4
1Department of Urology, Gregorio Marañón University Hospital, Madrid, Spain - ibydoc71@hotmail.com.
Minerva Urology and Nephrology
|May 18, 2023
Summary
This study introduces a new sutureless partial nephrectomy technique using the Renal-Sutureless-Device (RSD). Initial results show it is a feasible and safe approach for kidney cancer surgery, preserving renal function.
Area of Science:
- Urology
- Surgical Innovation
- Nephrology
Background:
- Partial nephrectomy (PN) is crucial for preserving renal function.
- Warm ischemia time (WIT) is a key modifiable surgical factor.
- Traditional renorrhaphy for hemostasis can increase WIT and complications.
Purpose of the Study:
- To evaluate the initial surgical experience with a novel sutureless partial nephrectomy technique.
- To assess the feasibility and safety of the Renal-Sutureless-Device (RSD) in PN.
- To report outcomes of PN performed without renorrhaphy using the RSD.
Main Methods:
- A prospective study of 10 patients with cT1a-b cN0M0 renal cell carcinoma.
- Surgical technique involved sutureless PN using the developed RSD.
- Data collected included presurgical, intraoperative, postoperative variables, and functional results.
Main Results:
- PN was successfully performed using RSD without renorrhaphy in all cases.
- Median WIT was 12.5 minutes (IQR 10-15) in the 4 cases requiring renal artery clamping.
- No complications, transfusions, or significant changes in renal function or blood counts were observed; 90% achieved disease-free margins.
Conclusions:
- Initial experience indicates sutureless PN with the RSD device is feasible and safe.
- The technique shows promise for simplifying PN and potentially reducing complications.
- Further research is warranted to confirm the long-term clinical benefits of this innovative approach.

