Erectile dysfunction Flashcards
What is erectile dysfunction
What is it most commonly related to
inability to attain or sustain an erection satisfactory for intercourse
vascular, neurologic, psychologic, and hormonal disorders
What are the risk factors for ED
DM
HTN
hypercholesterolemia
ASCVD
depression
S/p surgical or radiation tx of prostate CA
How many types of ED are there
2
*1 is acquired later in life and one occurs at puberty
What are psychological causes of ED that must be considered
Anxiety
guilt
depression
relational conflict or distress
What is the most common vascular cause of ED
What is the primary source
atherosclerosis or cavernous arteries of the penis
smoking and diabetes
What are some common drug classes that can cause ED
Antihypertensives
CNS drugs (anxiolytics)
MISC (chemo, anticholinergics)
When is psychogenic ED suggested
young healthy men with abrupt onset
hx of ED with spontaneous improvement
generally have normal nocturnal erections
What is peyronies disease
Fibrous bands or plaques in the genitals that will cause the penis to bend with an erection = pain
How do you evaluate penile vasculature
Duplex US after injecting a triple mix of ‘trimix’ of
- prostaglandin E1
- Papervine
- Phetolamine
What is the functions of a nocturnal tumescence monitor
Measures sleep-entrained eriectile episodes
differentiates b/n organic and psychogenic etiology
How do you treat erectile dysfuntion
When should devices /tx be rendered ineffective
oral PDE-5i (1st line)
vacuum erection device
after trying >5 times with no result
How do phosphodiesterase inhibitors work
What are they
promote smooth muscle relaxation
sildenafil, tadalafil, avanafil, verdenafil
What type of device can help with ED if they can develop an erection but are unable to sustain it
constriction ring that is places around the base of the erect penis
What device can be used in those who are unable to develop an erection
vacuum device that will draw blood into the penis and then use a constriction ring to sustain the erection
What are the complications with devices used in ED
bruising, coldness of the penis tip, and lack of spontineity