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Kevin Campbell MD - Kettering Health Network · 2018-07-10 · nerves, heart, blood vessels and...
Transcript of Kevin Campbell MD - Kettering Health Network · 2018-07-10 · nerves, heart, blood vessels and...
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Kevin Campbell MDDirector Men’s Health Clinic
The Urology GroupJune 2018
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Charles Brown-Sequard 1889
Testis Latin word for witness
Testify Comes from ancient Roman custom in which a man would clutch his testes in his right hand before giving evidence in court
Responsible for development of male reproductive tissue
Hormone (anabolic steroid) produced mostly in the testes of men
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Regulated by the hypothalamic- pituitary-gonadal axis
Promotes the growth of other cellular proteins
Different effects at various stages of life
Declines naturally as men age
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Normal circadian rhythm
Total and free testosterone
Variability among laboratories
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Basic Science Evidence for the Link Between Erectile Dysfunction and Cardiometabolic Dysfunction J of Sex Med 2015;12:2233-2255
A Comprehensive Review of Metabolic Syndrome Affecting Erectile Dysfunction J of Sex Med 2015;12:856-875
Translational Perspective on the Role of Testosterone in Sexual Function and Dysfunction J of Sex Med 2016;13:1183-1198
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Musculoskeletal system
Crucial role in maintenance and growth of bone
Beneficial effects on lean muscle mass and body fat
Mental and cognitive health
Studies with conflicting results
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Libido
multiple studies show consistent association between low testosterone and low sexual desire
exact etiology unknown but androgen receptors throughout distinct areas of the brain
Endocrinologic Control of Men’s Sexual Desire and Arousal/Erection J of Sex Med 2016;13:317-337
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Erectile Function
stimulates production of nitric oxide
important for maintenance for penile arterial inflow and the smooth muscle of the penile corporal bodies
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FDA Jan 2014 “possible increased cardiovascular risk”
Four studies showing potential adverse affects All retrospective, highly statistical with only minor effects
Wealth of studies over the past 30 years showing CV benefit of TRT
Testosterone deficiency with known CV risks
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Spermatogenesis
Polycythemia
Prostate Cancer
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Comiphene
50 mg three times weekly
Topical agents
androgel, compounded products
Injection therapy
testosterone cyp
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Follow up testing
testosterone, estradiol, hematocrit
Re evaluate with labs at one month and clinical evaluation at three months
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Inability to achieve or maintain an erection adequate for sexual intercourse
Requires male hormones, nerve conduction but mainly adequate blood flow
Any disease that adversely affects blood flow can cause erectile dysfunction
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1. Sexual stimulation and excitement cause the brain, nerves, heart, blood vessels and hormones to work together to produce a rapid increase in the amount of blood flowing to the penis. 2. The blood becomes
trapped and held in the two spongy chambers in the shaft of the penis. 3. As the chambers rapidly fill
with blood, they expand, and the penis becomes firm and elongated. The result is an erection.
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Hormonal
Neurologic
spinal cord injuries, diabetes, prostate cancer treatment
Vascular
metabolic syndrome, tobacco, stress
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1st line therapies oral meds, testosterone replacement therapy, lifestyle interventions
2nd line urethral and topical Alprostadil, Intracavernosal injections, vacuum pumps
3rd line penile prosthesis, vascular surgery
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Sexual arousal causes synthesis and release of nitric oxide that leads to smooth muscle relaxation through cGMP
PDE5 results in degradation of cGMP that leads to penile detumescence
cGMP levels remain high with PDE5 inhibitors that facilitates improved penile tumescence
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All have excellent efficacy and safety profile
Generic sildenafil, tadalafil
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Treatment Options
Injections, Transurethral and Vacuum
Why choose a vacuum device?• Lack of interest in drug therapy
• Specific contraindications to drug therapy
• Patient preference
Why choose injections over pills:
•Lack of response or contraindications to oral drugs1,2
•Reliable, instant, predictable erection1,2
•Patient preference2
1. Recommendations of the 1st International Consultation on Erectile Dysfunction. In: Jardin A et al, eds. Erectile Dysfunction. Plymouth, UK: Health Publication, Ltd; 2000:711-726. 2. Shabsigh R et al. Urology. 2000;55:109-113.
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Penile tumescence via smooth muscle relaxation
Alprostadil (PGE1) only FDA approved agent
Bimix, Trimix
75 to 85 % efficacy
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Penile prosthesis
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Out patient surgery typically 45 to 60 minutes
Insurance coverage
High patient satisfaction
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Replacing, engineering or regenerating human cells, tissues and organs to restore normal function
Stem cell infusion
Plasma –rich plasma
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Neo-angiogenesis
Stem cell recruitment that helps with growth of new corporal tissue
No single gold standard protocol
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Stay married
Stay active
Keep heart healthy
Check testosterone
Communicate