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1.
Korean Journal of Urology ; : 899-904, 1997.
Artigo em Coreano | WPRIM | ID: wpr-88276

RESUMO

Currently many modalities are available for intracorporeal stone fragmentation. Among them electrohydraulic lithotripsy destructs stone by the effects produced when An electric discharges occurs in a liquid medium. Though electrohydraulic lithotripsy fragments all kinds of urinary calculi effectively, the major limitation of electrohydraulic lithotripsy remains the potential for urothelial injury. The objective of the present study is to evaluate the possible acute and long-term tissue effects of this instrument on the rabbit bladder. The tissue effects produced by a electrohydraulic lithotripsy were examined and compared. In all acute animals, visible mucosal lesions were seen at the site of probe firing in the bladder except the minor of 3millimeter-distance group. No significant long-term tissue effects were noted either grossly or pathologically in the 3-week animals. This study confirms our clinical impression that electrohydraulic lithotripsy can provide an efficient and safe modality of intracorporeal lithotripsy through proper patient selection and careful attention to technique.


Assuntos
Animais , Incêndios , Litotripsia , Seleção de Pacientes , Bexiga Urinária , Cálculos Urinários
2.
Korean Journal of Urology ; : 581-585, 1986.
Artigo em Coreano | WPRIM | ID: wpr-44526

RESUMO

A renal arteriovenous fistula is a rare disorder despite the increasing number of cases reported since l960. Approximately more than 300 cases have been described sine the first case reported by Varela in l923. Most of these fistulas were acquired in origin and were found in recent years owing to the increasing use of angiography and needle biopsy of the kidney as diagnostic methods, the rise in violence and consequent renal trauma cases. Treatment has consisted of partial nephrectomy, ligation of the branch artery supplying the fistula and intentional embolization of the arterial branches, feeding the shunt by catheter. Unless cardiovascular complications are present, salvage of the residual part of the involved kidney is possible. Herein, we report a case treated successfully by transcatheter embolization and review the literatures with emphasis upon the salvage of the renal function.


Assuntos
Angiografia , Artérias , Fístula Arteriovenosa , Biópsia por Agulha , Catéteres , Fístula , Rim , Ligadura , Nefrectomia , Violência
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