Chapter 38 · Andrological emergencies

Acute urinary retention after urological procedures

Definition

Acute urinary retention (AUR) is a common complication after transurethral, open, and endoscopic surgery.

Causes:

  • Tissue edema.
  • Sphincter spasm.
  • Clot retention.
  • Infection.
  • Pain.
  • Medications.

Clinical assessment

  • Inability to void after surgery.
  • The catheter has been removed or was not inserted.
  • Lower abdominal pain.
  • A distended bladder on percussion or ultrasonography.

Diagnosis

  • Examination, palpation, percussion.
  • Ultrasonography to assess bladder urine volume.
  • Catheter irrigation if clot retention is suspected.

Emergency management

  • Bladder catheterization (or cystostomy if catheterization is impossible).
  • Clot retention: three-way catheter and irrigation.
  • Sphincter spasm: alpha-blockers and antispasmodics.
  • Postoperative prevention: maintain the catheter until stabilization, early mobilization, alpha-blockers.

Algorithm

StepAction
1Confirm retention (examination, ultrasonography)
2Catheterization
3Clot retention → irrigation
4If catheterization is not possible → cystostomy
5Treat the cause (antispasmodics, alpha-blockers)