RT Book, Section A1 Esquivel, Ernie L. A2 Stern, Scott D.C. A2 Cifu, Adam S. A2 Altkorn, Diane SR Print(0) ID 1185666780 T1 Acute Urinary Retention T2 Symptom to Diagnosis: An Evidence-Based Guide, 4e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260121117 LK accessmedicine.mhmedical.com/content.aspx?aid=1185666780 RD 2024/10/08 AB Acute urinary retention is most commonly seen in older men with prostatic hypertrophy causing bladder neck obstruction (seen in 10% of men in their 70s and up to 33% of men in their 80s). The risk is increased for older men, for those with moderate to severe lower urinary tract symptoms, for those with a flow rate 30 mL by transrectal ultrasound.