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Hybrid transvaginal nephrectomy: development of our technique.

Abstract：

OBJECTIVE:To evaluate the development of natural orifice transluminal endoscopic surgery (NOTES) transvaginal nephrectomy and present the initial experience. METHODS:Thirty-eight female patients were submitted to hybrid NOTES transvaginal nephrectomy for tumor (n=23) and nonfunctioning renal unit (n=15) in 2 academic medical centers. Patients underwent surgery from July 2010 to June 2012 and none of them were candidates for partial nephrectomy (clinical stage T1b or higher). The procedure was performed by the use of multi-instrument ports or flexible cannulas inserted through umbilical and vaginal incisions. A 30° lens extra-long camera and combinations of conventional laparoscopic and prebent instruments were used. Specially designed extra-long, prebent straight instruments were found to be particularly useful for transvaginal manipulations. Prospective data regarding patient demographics, intraoperative and postoperative course of the patients, and pathology results were collected. RESULTS:Average tumor diameter was 6 cm (range, 4.9-7.5 cm). Average operative time was 114.1 minutes (range, 90-190 minutes). Estimated blood loss ranged between 50 and 150 mL (average, 80 mL). Intraoperatively, 2 bladder perforations occurred and were treated by suturing. Postoperatively, 2 patients suffered from fever of unknown origin and 2 patients required transfusions due to bleeding. Average hospital stay was 3.3 days (range, 3-5 days). Positive surgical margins were not detected. CONCLUSION:Hybrid NOTES transvaginal nephrectomy is a feasible and safe alternative to standard laparoscopic nephrectomy in selected patients. Difficulties arising from limitations in current instrumentation have been addressed by the use of specially designed instruments. Further clinical studies are required to ascertain this approaches' place among nephrectomy techniques.

journal_name

Urology

journal_title

Urology

authors

Georgiopoulos I,Kallidonis P,Kyriazis I,Adonakis G,Stolzenburg JU,Schwentner C,Liatsikos E

doi

10.1016/j.urology.2014.01.055

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

99-104

issue

1

eissn

0090-4295

issn

1527-9995

pii

S0090-4295(14)00269-6

journal_volume

84

pub_type

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