Modern Urodynamic Evaluations in The Urologist’s Office

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Abstract
Patients with voiding disturbances comprise 20 per cent of the yearly outpatient visits to urologists. Of this number 25 per cent have significant neurogenic bladder dysfunction. The theoretical basis and experimental demonstration of urodynamics have been established and reported by multiple investigators during the last 15 years. Recent advances in clinical applications of fast-flow gas cystometry have led to the development of complete, portable urodynamic units that can be used conveniently in the urologist's office and are capable of simultaneously recording parameters of detrusor, urethral and skeletal muscle phincter function. This equipment is simple, efficient, economical and can be operated by well trained paramedical personnel, with minimal immediate direction required by a physician. With recent recognition by many third party carriers this equipment may amortize itself rapidly but, more importantly, it may serve to identify neurological diseases of the bladder that are undetected by other conventional methods of investigation. During the last 9 months 213 patients have undergone urodynamic evaluation at our outpatient urology clinic. These patients were categorized according to type and incidence of voiding disturbance and the number of neurogenic bladders diagnosed within each group was compiled and discussed. Several of the more interesting and unusual clinical examples are presented to familiarize the urologist with the interpretative aspects of this study.