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Biomedical subjects

J R Sharpe

Publications and source records attributed to J R Sharpe.

8 recordsLinked to original sources

Transurethral electroincision of bladder neck in female patients with neurogenic bladder.

Transurethral electroincision of the bladder neck in female patients with neurogenic bladders has not been widely reported. We have performed this operation on 21 patients who have failed to achieve balanced bladder function through other treatment modalities and who have presented with recurrent urinary tract infections, high postvoid residual urine, and evidence of upper urinary tract deterioration. Eighty-five per cent of female patients treated in this fashion have demonstrated significant improvement in bladder emptying. The rate of complication has been low, and no cases of persistent incontinence have occurred. We recommend this operation in difficult cases of neurogenic bladder in females.

Electrosurgery

New technique for percutaneous nephrostomy under ultrasound guidance.

The 8F cystocath has been used as a temporary percutaneous nephrostomy. B-mode ultrasonography was used to determine the depth and direction of trocar placement after initial confirmation with a spinal needle. No immediate complications were noted in 10 successful insertions and there was only 1 failure of entry.

Humans

Self-retaining loop nephrostomy.

A self-retaining loop nephrostomy with an inflated balloon in the renal pelvis to prevent accidental extraction or displacement is described. An additional feature of this tube is a plug that may be positioned to promote maximal irrigation of the kidney with a stone solvent or to allow urine to flow from 1 or both ends of the loop.

Drainage

Spontaneous rupture of the renal pelvis: complication of renal homotransplantation.

The first reported case of rupture of the renal pelvis associated with transplantation is presented. The obstruction was in the ureteral tunnel of the hypertrophic bladder. The cause of the weakness in the pelvic wall could not be determined. Differential diagnosis was acute rejection and lymphocele. Excretory urography was diagnostic. Treatment included revision of the ureteroneocystostomy with repair of the defect and internal stenting. Postoperative morbidity was minimal and satisfactory graft function was maintained.

Adult

Urethral strictures: treatment with intralesional steroids.

A review of steroid management of urethral strictures is presented. The 96 patients were followed for a year or more after urethral injection with triamcinolone. Intralesional steroid may be used in many types of strictures but it is especially useful in those cases with strictures in the distal urethra or the meatus, those occurring after radical prostatectomy and in some cases when 1 or more urethroplasties have been done. Every practicing urologist can benefit from using stricture injection in selected cases.

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