Paulson - Male GU Flashcards
consistent inability to maintain an erect penis w. sufficient rigidity to allow for intercourse
erectile dysfunction
mc sexual problem in men
erectile dysfunction
5 things required for an erection
intact parasympathetic and somatic nerve supply
unobstructed arterial inflow
adequate venous constriction
hormonal stimulation
psychological desire
rf for ED (6)
- sedentary
- obesity
- smoking
- medical comorbidities
- watching TV
- lower frequency of sexual activity
comorbities associated w. ED (8)
DM
HTN
obesity
OSA
dyslipidemia
CVD
smoking
RLS
sexual activity < __ / week is associated w. ED
once
mc cause of ED
decrease in arterial flow from progressive vascular dz
mc medication associated w. ED
SSRIs
besides SSRIs, 3 common meds related to ED
beta blockers
spironolactone
thiazide diuretics
psychological factors associated w. ED
dpn
stress
neuro causes of ED (3)
stroke
SCI
MS
sport related to ED
bicycling
endocrine d.o related to ED (2)
testosterone deficiency
hypo/hyperthyroidism
examples of questions to ask ED pt
chronic, occasional, situational?
normal erections (ex early morning)?
trauma to pelvis?
pelvic/prostate xrt?
drugs/etoh/tobacco?
what might you see on pe for ED (5)
scarring
plaque formation
testicular atrophy
peripheral neuropathy
HTN
why might you see plaque formation on ED pt
peyronie dz
what labs might be helpful for ED dx (7)
CBC
UA
TSH
lipid panel
serum testosterone
glucose
prolactin
what test might be helpful to dx ED (2)
nocturnal penile lumescence testing
direct injxn of vasoactive substances
ex of vasoactive substance
prostaglandin E1
if prostaglandin E1 does not produce erection what is next step in dx of ED (3)
US of cavernous arteries
pelvic arteriography
cavernosonography
studies to evaluate arterial/venous vasculature
tx for psychogenic ED (2)
behaviorally oriented sex therapy
counseling
tx options for ED (8)
behavior sex therapy
T replacement
wt loss
PDE-5
penile injxns
intraurethral alprostadil
vacuum erection device
surgery
tx for low T ED
testosterone replacement
how can T be administered (3)
injxn
gel
patches
s.e of T replacement
HTN
worsens BPH
worsens CHF
increased breast ca risk
hepatic toxicity
VTE
prostate ca
application site pruritis
virilization in other exposed (ex nurse, kids)
mainstay of ED tx
phosphodiesterase-5 inhibitors (PDE-5)
ex of PDE-5 (3)
sildenafil (viagra)
vardenafil (Levitra)
todalafil (Cialis)
when should PDE-5 be taken
45-60 min before anticipated sexual activity
absolute contraindication to PDE-5
nitrates
if a man on PDE-5 develops CP you should
delay nitrate by 24 hr
PDE-5 plus alpha blockers can result in
decreased bp
s.e of PDE-5 (2)
blue vision
sudden hearing loss
which PDE-5 causes blue vision
sildenafil (viagra)
what is a penile injection
PDE-5 injected into base of penis → causes smooth m relaxation in corpus cavernosum
penile injxns should be administered __ minutes before sex,
and the erection an last > __
10-20
60 min
what drug is used in intraurethral alprostadil
prostaglandin E1 tablet inserted into urethra → massage penis for 1 min
s.e of intraurethral alprostadil
penile pain and bleeding
contraindications for intraurethral alprostadil
SSA/sickle cell trait
leukemia
MM
any conditions that increase risk for a priapism
what is a priapism
prolonged erection
vacuum erection devices are used in conjunction w. (2)
occlusive penile rings
+/- PDE-5 inhibitors
vacuum erection devices may cause difficulty with
ejaculation
max application of vacuum erection device
30 min
how long does erection last w. vacuum erection device
until elastic ring is removed
s.e of vacuum erection device
penile bruising
surgical options for ED
penile prosthesis
vascular reconstruction
arterial bypass
2 types of penile prosthesis
rigid
inflatable
ejaculation that always or almost always occurs w.in or prior to 1 minute of vaginal penetration
premature ejaculation
3 negative consequences of premature ejaculation
distress
frustration
avoidance of sexual intimacy
what % of male population has premature ejaculation
~4%
30% based on community surveys
30% of men w. premature ejaculation have concurrent
ED