Persistent inability to attain and
maintain an erection sufficient to
permit satisfactory sexual
performance
EpidemiologyEpidemiology: 5-10%: 5-10%
Risk factors:Risk factors:
1.1.Lack of exercise,Lack of exercise,
2.2.Obesity and Smoking,Obesity and Smoking,
3.3.HypercholesterolemiaHypercholesterolemia
The muscle The muscle tone tone maintains maintains
contraction of the cavernous smooth contraction of the cavernous smooth
muscle during flaccid. muscle during flaccid.
When these musclesWhen these muscles relaxrelax,, the blood the blood
flow increases and trapped, leading to flow increases and trapped, leading to
erection.erection.
MechanismMechanism ofof erectionerection
Flaccid Erection
•Pass posterolateral to the
prostate
•They may be damaged
during radical
prostatectomy or
cystoprostatectomy
SympatheticSympathetic &
parasympatheticparasympathetic nervesnerves
ICIICI
Prostaglandin E1Prostaglandin E1
Tri-mix: Tri-mix:
(alprostadil-(alprostadil-
papaverine-papaverine-
phentolamine) phentolamine)
Second line
Penile ProsthesisPenile Prosthesis
Third line
Three pieces inflatable process
Semi rigid processes
Male InfertilityMale Infertility
Inability of a sexually active, non Inability of a sexually active, non
contracepting couple to achieve contracepting couple to achieve
pregnancy in one year. pregnancy in one year.
About About 775% of couples achieve pregnancy 5% of couples achieve pregnancy
within 1 year. within 1 year.
15% seek medical advice for infertility 15% seek medical advice for infertility
and <5% remain childless against their and <5% remain childless against their
well.well.
Causes of male infertilityCauses of male infertility
1.1.Pretesticular causesPretesticular causes
2.2.Testicular CausesTesticular Causes
3.3.Post testicular causesPost testicular causes
4.4.Sperm antibodies Sperm antibodies
5.5.Varicocele and sexual problems Varicocele and sexual problems
6.6.IdiopathicIdiopathic
Pretesticular causesPretesticular causes
–Kallmann’s syndrome: Isolated Kallmann’s syndrome: Isolated
gonadotropin deficiency due to gonadotropin deficiency due to
absence of GHRH (Anosmia, absence of GHRH (Anosmia,
Deafness, and mental retardation)Deafness, and mental retardation)
–Pituitary gland disordersPituitary gland disorders
TesticularTesticular CausesCauses
–Cryptorchidism, Orchitis, or testicular Cryptorchidism, Orchitis, or testicular
torsiontorsion
–Bilateral anorchia (Vanishing testes Bilateral anorchia (Vanishing testes
syndrome)syndrome)
–Chemotherapy or RadiotherapyChemotherapy or Radiotherapy
–Genetic causes: Genetic causes: Klinfelter’s syndromeKlinfelter’s syndrome
(small firm testes, gynecomastia and (small firm testes, gynecomastia and
hypergonadotropins hypogonadismhypergonadotropins hypogonadism). ).
Karyotype: 47,XXYKaryotype: 47,XXY
PostPost testiculartesticular causescauses::
–Absence of Vas Deferens/epididymisAbsence of Vas Deferens/epididymis
–Epididymal obstructions (congenital or Epididymal obstructions (congenital or
due to infection)due to infection)
SemenSemen AnalysisAnalysis
Abstinence of 2-3 days, and should be Abstinence of 2-3 days, and should be
examined within 15min of collectionexamined within 15min of collection
Volume:≥ 1.5mlVolume:≥ 1.5ml
Count:≥15 million/ml and total no. ≥ Count:≥15 million/ml and total no. ≥
39million/ejaculate39million/ejaculate
Motility:≥32% progressive motility within 1h Motility:≥32% progressive motility within 1h
after ejaculateafter ejaculate
Morphology:≥4% normal shape and formMorphology:≥4% normal shape and form
Leucocytes:<1million/mlLeucocytes:<1million/ml
If values are normal , one test is sufficient. If values are normal , one test is sufficient.
But if the results are abnormal, at least two But if the results are abnormal, at least two
semen analysis tests are necessarysemen analysis tests are necessary
Azoospermia : No sperm Azoospermia : No sperm
Oligozospermia: < 15 million/ mlOligozospermia: < 15 million/ ml
Asthenospermia: <32% motile spermAsthenospermia: <32% motile sperm
Teratozospermia : <4 % normal formsTeratozospermia : <4 % normal forms
Oligo-astheno-teratospermia syndromeOligo-astheno-teratospermia syndrome
FromFrom previousprevious examsexams
Clinically, how can you differentiate Clinically, how can you differentiate
organic from psychic erectile organic from psychic erectile
dysfunction dysfunction
In semen analysis, normal sperm In semen analysis, normal sperm
count is……………… count is………………
Investigations in case of EDInvestigations in case of ED