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MENIERES DISEASE.
1.
2.
3. DEFINITION -
According to Brunner and Suddhart –
“ A condition with
recurrent vertigo accompanied by
ringing in the ears (tinnitus)
and deafness.”
4. According to Lewis -
“ A chronic disease of
the inner ear characterized by
recurrent episodes of vertigo, which
is progressive sensorineural hearing
loss. It may occur bilaterally and may
include tinnitus.”
7. SODIUM ANDWATER RETENTION
HAS BEEN PROVENTO AGGRAVATE
TINNITUS,
excess salt leads to higher blood pressure.
As the blood vessels constrict, blood has a
harder time circulating freely—and in the
ears and excess accumulation of abnormal
fluid
8. Dysfunction of the thyroid
leads to numerous problems including
lowered energy levels, increased
sensitivity to pain, weight gain, depression
and tinnitus.
AUTOIMMUNE DISEASE,
such as diabetes, lupus, or rheumatoid
arthritis. Had a head injury, especially if it
involved ear.
9. Congenital or acquired syphilis is the cause
of Meniere's disease The pathogenesis is
endolymphatic hydrops and osteitis ( Osteitis
is inflammation of bone. ) of the otic capsule
(is the rigid, bony outer wall of the inner ear
in the temporal bone.) which produces the
characteristic fluctuating hearing loss, tinnitus and
ear pressure associated with episodic spells of
vertigo.
SYPHILIS
10. VIRAL INFESTION
Meniere's disease (MD) may follow viral
infection such as by neurotropic viruses mumps,
measles, influenza, and rabies viruses,Herpes, polio
known to invade the endolymphatic sac (ES)
and provoke endolymphatic hydrops
ALCOHOL AND CAFFEINE
In high concentrations, can both result in
vasoconstriction and a reduction in the blood
supply to the inner ear, which can exacerbate
the symptoms of sufferers.
11. STRESS
Emotional stress connected to adverse life
events can be a trigger vasomotor disturbance
Meniere's disease .
Abnormal changes in serum thyroid
hormone levels, such as hyperthyroidism
and hypothyroidism, can cause both
sensorineural and conductive hearing loss
HYPERTHYROIDISM AND
HYPOTHYROIDISM
12.
13.
14. CLINICAL MANIFESTATION -
•Severe vertigo or dizziness
•Severe nausea, vomiting, and sweating often occur.
•Symptoms get worse with sudden movement.
•Often, the person will need to lie down.
•Hearing loss may occur. Usually the hearing loss is only in one ear,
but it may affect both ears.
•Roaring or ringing in the ear (tinnitus), as well as a sense of
pressure in the ear are common
Other symptoms include:
•Diarrhea
•Headaches
•Pain or discomfort in the abdomen
•Nausea and vomiting
Uncontrollable eye movements
15. DIAGNOSTIC TEST –
•Neurologic examination - A brain and nervous
system (neurological) examination may show
problems with hearing, balance, or eye movement.
Audiometry — This simple test can tell whether
you are experiencing hearing problems, how much
hearing you have lost, and what type of hearing
problems you have.
Computed tomography (CT) or magnetic
resonance imaging (MRI), scans that allow
physicians to see the brain, middle ear, and other
structures inside the head .
16. Electrony-stagmo-graphy or rotational
testing —
These tests use the nerve connection
between the ears and the eyes to examine
your body's balance system. In a darkened
room, electrodes are placed near the eyes.
Then, the ear canal is stimulated with
water, air, or changes in position. The
electrodes measure how the inner ear
responds.
27. Endolymphatic sac decompression
is a treatment that is performed to
maintain the hydrostatic pressure and
endolymph homeostasis in the inner
ear for patients with Meniere's
disease.This procedure can reverse the
damage to the ear while maintaining the
balance of your hearing levels.
28. An endolymphatic shunt
Is a silicone tube that drains fluid
from the inner ear. Endolymphatic
shunt placement is a surgical
procedure that involves implanting a
small silicone tube in the inner ear to
drain excess fluid.This procedure
can reverse damage to the ear due to
fluid buildup.
29. ULTRASONIC DESTRUCTION OF
VESTIBULAR LABYRINTH
A new treatment aiming at selective
destruction of the diseased
vestibular portion of the labyrinth
with ultrasonic waves with
preservation of hearing
30. LABYRINTHECTOMY
Is a surgical procedure of the temporal
bone used to treat intractable and
refractory vertigo.This procedure
surgically removes the neuroepithelial
elements of the semicircular canals and
vestibule