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Low-cost reusable instrumentation for laparoendoscopic single-site nephrectomy: assessment in a porcine model

2011Journal article Open access
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dc.contributor.authorAutorino, R
dc.contributor.authorKim, FJ
dc.contributor.authorRane, A
dc.contributor.authorDe Sio, M
dc.contributor.authorStein, RJ
dc.contributor.authorMicali, S
dc.contributor.authorCorreia-Pinto, J
dc.contributor.authorKaouk, JH
dc.contributor.authorLima, E
dc.date.accessioned2013-09-16T21:00:56Z
dc.date.available2013-09-16T21:00:56Z
dc.date.issued2011
dc.description.abstractPURPOSE: To test different sets of prebent instruments and a new reusable access device for laparoendoscopic single-site (LESS) surgery. MATERIALS AND METHODS: Three surgeons with previous experience in LESS performed 12 nephrectomies in six pigs. In all procedures, a multichannel access device (X-CONE) and a 5-mm extra-long telescope were used. Four sets of prebent instruments with different profiles (S-portal) were tested: Standard (one straight scissors and one curved grasper), Cuschieri, Carus, and Leroy set (each of them consisting of two curved instruments with different configurations). Assessment was performed based on both objective (procedure time; time to manage the pedicle; time to free kidney) and subjective parameters (entry/exit of instruments; triangulation; dissection up/down; dissection lateral; retraction; interdependence). The subjective assessment tool used was a Likert type scale (1 = easy to 5 = prohibitive). The access device was assessed by using objective (time to complete insertion of device after skin incision) and subjective (significant air leakage, movement constraint) parameters. RESULTS: Time to insertion of the X-CONE was <1 minute in all the cases. Surgeons reported significant insufflant leakage in 58% of cases. The procedure was completed in 10/12 (83%) cases. Mean operative time was 8.3 ± 4.2 minutes, being lower for the Carus group (4.5 min) and higher for the standard group (13 min). Among the different sets, the standard one obtained the best mean scores for all subjective parameters. CONCLUSIONS: X-CONE allows easy abdominal access, and its reusable properties represent cost savings for LESS compared with disposable devices. Prebent instruments might also represent attractive low-cost tools for LESS.por
dc.identifier.citationJ Endourol. 2011;25(3):419-24.por
dc.identifier.urihttp://hdl.handle.net/10400.23/505
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectLaparoscópiospor
dc.subjectNefrectomiapor
dc.subjectSus scrofapor
dc.subjectAnimaispor
dc.titleLow-cost reusable instrumentation for laparoendoscopic single-site nephrectomy: assessment in a porcine modelpor
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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