Use of the Uro Dyna-CT in endourology – the new frontier

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Vol. 43 (x): 2017 March 1.[Ahead of print]

doi: 10.1590/S1677-5538.IBJU.2016.0413


SURGICAL TECHNIQUE

Fabio C. Vicentini 1, Luiz A. A. Botelho 1, José L. M. Braz 2, Ernane de S. Almeida 3, Marcelo Hisano 1
1 Departamento de Urologia, Centro do Cálculo Renal do Hospital 9 de Julho, São Paulo, Brasil; 2 Departamento de Anestesia, Hospital 9 de Julho, São Paulo, Brasil; 3 Departamento de Enfermagem, Centro Cirúrgico do Hospital 9 de Julho, São Paulo, Brasil

ABSTRACT

We describe the use of the Uro Dyna-CT, an imaging system used in the operating room that produces real-time three-dimensional (3D) imaging and cross-sectional image reconstructions similar to an intraoperative computerized tomography, during a percutaneous nephrolithotomy and a contralateral flexible ureteroscopy in a complete supine position. A 65 year-old female patient had an incomplete calyceal staghorn stone in the right kidney and a 10mm in the left one. The procedure was uneventful and the intraoperative use of the Uro Dyna-CT identified 2 residual stones that were not found by digital fluoroscopy and flexible nephroscopy at the end of surgery, helping us to render the patient stone-free in one procedure, which was confirmed by a postoperative CT scan. Prospective studies will define the real role of the Uro Dyna-CT for endourological procedures, but its use seems to be a very promising tool for improving stone free rates and decreasing auxiliary procedures, especially for complex cases.

Keywords: Nephrostomy, Percutaneous; Radiation; Ureteroscopy

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