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Biomedical subjects

J Blaivas

Publications and source records attributed to J Blaivas.

2 recordsLinked to original sources

Multichannel urodynamic studies.

The purpose of urodynamic testing is to measure and record pertinent physiologic variables while the patient is experiencing his usual symptoms. When the symptoms are reproduced, urodynamic findings enable the clinician to understand the underlying pathophysiology and to treat the patient effectively. Although at present it is most cost-effective to screen patients with cystometry and uroflow, multi-channel studies offer the most precise, artifact-free means of establishing the correct diagnosis.

Abdomen

Acute urinary retention in women: complete urodynamic evaluation.

Sixteen women underwent complete urodynamic investigation of acute urinary retention. Simultaneous recordings of intravesical and rectal pressures allowed an easy distinction to be made between bladder contractions and abdominal straining. Needle electromyograms, viewed on an oscilloscope by an experienced electromyographer, permitted an exacting neurologic diagnosis. Although the cause was psychogenic in 7 patients, 9 others had subtle evidence of organic pathology, one of whom had a spinal cord tumor. A logical format for evaluating acute urinary retention is presented.

Acute Disease