Key result
Urinary retention from lateral medullary infarction links to detrusor underactivity in ~78% of patients.
Observational (n=10)
We prospectively recruited 10 patients who presented with urinary retention as a neurological deficit that was attributable to lateral medullary infarction. Of these, 9 patients underwent a urodynamic study, which demonstrated detrusor underactivity of the bladder in 7 patients. Urinary retention developed mainly when the lesions involved the lateral tegmentum of the middle or caudal medulla. We concluded that interruption of the descending pathway from the pontine micturition center to the sacral spinal cord in the lateral medulla was responsible for the development of urinary retention.
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Cho et al. (2015) conducted an observational in Urinary retention attributable to lateral medullary infarction (n=10). Lateral medullary infarction involving the lateral tegmentum of the middle or caudal medulla was evaluated on Detrusor underactivity of the bladder on urodynamic study. Lateral medullary infarction with urinary retention demonstrated detrusor underactivity in 7 of 9 tested patients (77.8%), mainly with middle or caudal lateral tegmentum lesions.
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