Acute urinary retention

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Risk factors

  • Age
  • Use of anticholinergics, opiates

Etiology

  • Bladder distention during gen. anesthesia, epidural anesthesia inefficient detrusor activity
  • Presentation: Abdominal pain, oliguria (<250mL/12 hours), BUN and Cr
  • Complications: Hydropnephrosis, renal injury