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To investigate the relationship between urinary retention and short-term functional recovery in subacute stage after stroke.
The medical records of 94 patients admitted to the rehabilitation unit of Korea University Guro Hospital were reviewed retrospectively. The postvoid residual urine (PVR) was measured at least once a day using a bladder scan, and urinary retention (UR) was defined when the daily PVR volume consistently checked more than 100 mL. Clinical data and functional outcomes of patients in the rehabilitation ward were collected. Functional outcomes were measured using the Mini-Mental State Examination (MMSE), Berg Balance Scale (BBS), Functional Ambulation Category (FAC) level, Fugl-Meyer Assessment (FMA), and Modified Barthel Index (MBI) at admission (or transfer) and discharge. The data of patients with and without urinary retention were compared and analyzed.
Of the 94 participants, 25 patients were classified to the UR group and 69 were classified to the non-UR group. At the initial stage of rehabilitation, the scores of MMSE, BBS, FAC, MBI were significantly worse in the UR group (p<0.05). Both groups showed significant improvements of all functional outcomes after rehabilitation (p<0.05). The non-UR group showed more prominent recovery of BBS, FAC, MBI scores (p<0.05).
Urinary retention in post-stroke patients is significantly related to the poor functional status at initial stage of rehabilitation, and also to poor recovery after rehabilitation.
Citations
To investigate the prognosis of patients with stroke and urinary retention resistant to alpha blockers and cholinergic agents.
Post-void residual urine volume (PVR) was measured in 33 patients with stroke (14 men and 19 women) who were admitted to the department of rehabilitation medicine of our hospital within 30 days after stroke onset. An alpha-blocker and cholinergic agent were administered to patients with PVR >100 mL. If urinary retention had not improved despite the maximum drug doses, the patient was diagnosed with drug-resistant urinary retention. We retrospectively reviewed patient's charts, including PVR at discharge and prognostic factors for PVR.
Ten patients (30.3%) could not void or their PVR was >400 mL at discharge (45.7±15.4 days after onset) after rehabilitation. Twelve patients (36.4%) could void, and their PVR was 100-400 mL. PVR was consistently <100 mL in 11 patients (33.3%). These measurements correlated with the Korean version of the Modified Barthel Index score, Functional Ambulation Category, and the presence of a communication disorder.
The results show that 22 patients (66.7%) had incomplete bladder emptying or required catheterization at discharge. Outcomes correlated with functional status, walking ability, and the presence of a communication disorder. Patients with urinary retention and poor general condition require close observation to prevent complications of urinary retention.
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