Benign prostatic hyperplasia Flashcards
What is the PSA?
Prostate specific antigen
Glycoprotein released into semen to liquify it by prostate epithelial cells
What are normal PSA levels?
0-4
What causes an increased PSA?
prostate enlargement/cancer older age infection vigorous exercise DRE catheter prostate biopsy can just be normal
What causes decreased PSA?
obesity
5ARI
Aspirin
TDZ
What are the benefits of PSA testing?
early detection and treatment
What are the cons of PSA testing?
false negatives
75% of false positives en up being normal biopsy
unnecessary ix and rx
When should someone have a 2 week referral because of their PSA?
If they are 50-69 and it is ≥3
What group of ppl are more affected?
black
What are the management options for BPh?
- watchful waiting
- Alpha 1 antagonists, 5 alpha-reductase inhibitors
- Surgery - turp
What are the SEs of alpha blockerS?
dizziness
postural hypotension
dry mouth
depression
How do 5 alpha reductase inhibitors work?
block conversion of testosterone to dihydrotestosterone which is known to induce BPH
cause a reduction in prostate volume
What are SEs of 5ARIs?
ED
reduced libido
ejaculation problems
gynaecomastia