van Gool JD, de Ridder AL, Kuijten RH, Donckerwolcke RA, Tiddens HA. Measurement of intravesical and rectal pressures simultaneously with electromyography of anal sphincter in children with myelomeningocele.
Dev Med Child Neurol 1976;
18:287-301. [PMID:
780175 DOI:
10.1111/j.1469-8749.1976.tb03650.x]
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Abstract
This paper reports a technique for simultaneous measurement of intravesical pressure, intra-abdominal pressure, electromyographic activity of the external and sphincter and urinary flow. Using this technique during filling of the bladder and during micturition in 38 children with myelomeningocele and neurogenic bladder disturbance, it was possible to identify four main types of bladder dysfunction in these children. Once the type of bladder dysfunction is established for each child, adequate management can be planned far in advance of the detection of inherent upper urinary tract damage. This is particularly important in children with upper somatomotor lesions of bladder innervation in which detrusor-spincter dyssynergia may be present; this dyssynergia always causes some degree of obstruction at the level of the external urethral sphincter and is a constant threat to renal function.
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