28/08/2023
Cause of sudden sensory neural hearing loss
IDIOPATHIC
I-Idiopathic
D-Drugs
• Ototoxic drug
• Chemotheraputic drug
• Opoids
• Insecticides
I-Infection
• Mumps,Herpis zoster auticus,Lyme disease
• Meningitis/encephalitis,otitis media,Syphilis.
O-Otogenic disease
• Menier`s disease
• Acute acoustic trauma
P-Pschological
A-Autoimmune disease
• Autoimmune inner ear disease
• Cogan syndrom,kawasaki disease
• Multiple sclerosis
• GBS,wegener`s granuloma,SLE
T
1. Trauma-Barotrauma/Noise tauma,Head injury(Temporal bone fracture)
2. Tumour-Vestibular swanoma,Maningiama,Metastatic brain tumour,Angioma,Neurafibromatosis
H-Haematologicar disorder
• Leaukemia,Polycythemia,Sickle cell anaemia
I-Iatrogenic cause
• Microembolic surgical complication
• Ear surgery(Stepedotomy)
• GA haemodynamic complication
• GA ototoxicity
• NICU/ICU ototoxicity
C
1. Circulatory system disorder
• CVD
• Thromboembolism
• Migraine associated vasospasm
• Hypertensive crysis
2. Congenital cause
• Large vestibular aqueaduct syndrom
• Mondini dysplasia