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  • Title: Sacral rootlet rhizotomy at the conus medullaris for hypertonic neurogenic bladder.
    Author: Toczek SK, McCullough DC, Boggs JS.
    Journal: J Neurosurg; 1978 Feb; 48(2):193-6. PubMed ID: 624968.
    Abstract:
    Three patients with spastic neurogenic bladder underwent sacral root stimulation and appropriate section of motor rootlets to the detrusor at the levels of the conus medullaris. Compared to the results obtained with rhizotomies at the sacral levels in a previous series of patients, urinary frequency and infection were inhibited for longer periods of time, but some uninhibited bladder activity recurred in all three patients. Analysis of anatomical and electrophysiological data serves to emphasize the complexity and asymmetry of efferent supply to detrusor muscle. The authors conclude that the role of selective rhizotomy for inhibition of the spastic bladder is inconclusive, and perhaps a combination of surgery and medications that inhibit smooth-muscle contraction may be required for long-term protection of urinary collection systems.
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