Abstract
AbstractWe retrospectively reviewed the urodynamic studies of 14 patients: 3 males and 11 females, previously diagnosed clinically and urodynamically as having non‐neurogenic neurogenic bladder. The mean age of the patients was 10 years (range 4–24 years). We identified 3 urodynamic features in this patient population that are distinct from those seen in patients with true detrusor‐external sphincter dyssynergia: (1) quieting of the external sphincter electromyogram (EMG) immediately prior to the onset of a detrusor contraction, (2) quieting of the EMG during the upslope of a detrusor contraction, and (3) augmented EMG activity during the downslope of the detrusor contraction. Although both involve incoordinate bladder and pelvic floor/external sphincter activity, a simple cystometrogram with EMG may allow reliable differentiation between true detrusor‐external sphincter dyssynergia and non‐neurogenic neurogenic bladder.
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