Use of ultrasonography in the evaluation of urinary retention in critically ill patients.

bladder ultrasonography was effective in measuring urinary volume after removal of the indwelling urinary catheter and and may contribute to the detection of urinary retention. (1) Ultrasonography of the bladder showed an advantage for a better nursing diagnosis. (2) Critical patients had urinary retention after removal of urinary catheter. (3) Overflow incontinence was detected after removal of the urinary catheter. (4) Patients with urinary tract infection were 7.4 times more likely to have retention.