URINARY RETENTION

Question 1

what is urinary retention

Answer 1

inability to voluntarily urinate

Question 2

urinary retention causes

Answer 2

• urethral blockage
• medications = antimuscarinic, sympathomimetics, TCA

Question 3

what are the 2 types of urinary retention

Answer 3

1) acute
2) chronic

Question 4

what is acute urinary retention

Answer 4

medical emergency abrupt development over period of hours

Question 5

what is chronic urinary retention

Answer 5

gradual development over months = inability to completely empty bladder

Question 6

what causes benign prostatic hyperplasia in men

Answer 6

enlarged prostate

Question 7

what are the symptoms of benign prostatic hyperplasia

Answer 7

• urinary retention
• urinary urgency
• urinary frequency
• urinary nocturia

Question 8

acute urinary retention tx

Answer 8

• immediate catherisation due to pain
• alpha blocker for 2 days before removing catheter

Question 9

chronic urinary retention tx

Answer 9

long-term use of catheter

Question 10

what does long-term use of catheter cause

Answer 10

• recurrent UTI
• urethra trauma
• pain
• stone formation

Question 11

benign prostatic hyperplasia urinary retention tx

Answer 11

alpha blockers to relaxe smooth muscle

Question 12

urinary retention tx if enlarged prostate, raised prostate antigens or high risk of progession

benign prostatic hyperplasia

Answer 12

5 alpha reducatase inhibitor = finasteride or dutasteride

Question 13

alpha blockers used in urinary retention

Answer 13

• defuzosin
• doxazosin
• tamsulosin
• terazosin

Question 14

when to avoid alpha blockers

Answer 14

• micturition synacope
• postural hyoptension

micturition synacope = fainting during or immediately after urinating

Question 15

s/e of alpha blockers

Answer 15

• dizziness
• postural hypotension

Question 16

what happens with 1st dose of alpha blocker and when to take

Answer 16

• 1st dose = collapse due to hypotensive effect
• take before bed
• lie down = dizziness, fatigue or sweating develop

Question 17

5 alpha reducatase inhibitor s/e

finasteride or dutasteride

Answer 17

• breast disorder
• sexual dsyfunction
• male breast cancer reported
• finasteride = reports of depression and rare cases of suicidal thoughts (STOP+REPORT)

Question 18

5 alpha reducatase inhibitor caution

Answer 18

• excreted in semen = condom if pregn partner
• women = child-bearing age avoid crushed broken tabs

Question 19

symptoms to report if male cancer is suspected in 5a reductase inhibitors

Answer 19

• lumps
• pain
• nipple discharge