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ENT (EAR, NOSE & THROAT) Procedure

Cochlear Implant Surgical Restoration

Surgical implantation of a multi-channel electronic cochlear implant (Nucleus 7 / Synchrony) into the inner ear cochlea, bypassing damaged hair cells to stimulate the auditory nerve directly in severe-to-profound sensorineural hearing loss.

Cochlear implant surgery
Cochlear implant surgery

Clinical Overview & Disease Information

Surgical implantation of a multi-channel electronic cochlear implant (Nucleus 7 / Synchrony) into the inner ear cochlea, bypassing damaged hair cells to stimulate the auditory nerve directly in severe-to-profound sensorineural hearing loss.

Signs & Symptoms

Early Symptoms
  • Inability to understand speech despite high-powered hearing aids
  • Difficulty hearing high-pitched sounds and voices in children
Common Symptoms
  • Profound sensorineural hearing loss (> 90 dB PTA)
  • Complete lack of speech perception
  • Social isolation and communication barrier
Emergency Symptoms
  • Sudden bilateral profound sensorineural hearing loss post-meningitis

Causes & Risk Factors

Primary Causes & Etiology

  • Congenital inner ear hair cell aplasia / genetic mutations (GJB2 Connexin 26)
  • Post-meningitic cochlear ossification
  • Ototoxic drug exposure or presbycusis

Who is at Higher Risk?

  • Infants born with severe bilateral sensorineural hearing loss
  • Adults with progressive profound deafness failing hearing aids

Diagnostic Evaluation & Testing

Diagnostic Test Clinical Purpose / What It Shows
Pure Tone Audiometry (PTA) & Auditory Brainstem Response (ABR / BERA) Confirms threshold of bilateral severe-to-profound sensorineural hearing loss
High-Resolution Temporal Bone CT & Inner Ear 3.0T MRI Evaluates cochlear lumen patency, internal auditory canal, and auditory nerve presence

Comprehensive Treatment Options

Transmastoid Facial Recess Cochlear Implant Electrode Insertion

Cortical mastoidotomy and posterior tympanotomy opening cochleostomy for delicate electrode array insertion into scala tympani.

Key Advantages:
Restores natural sound sensation and speech understanding
Enables normal spoken language acquisition in pediatric patients
Compatible with wireless audio streaming

Bilateral Simultaneous Cochlear Implantation

Simultaneous dual cochlear implantation in both ears for optimal sound localization and binaural hearing.

Recommended For:
Pediatric congenital deafness (< 2 years old)
Post-meningitic ears with early cochlear ossification risk

Advanced Medical Technologies Available in Partner Hospitals

Cochlear Nucleus 7 System MED-EL Synchrony 2 (3.0T MRI Safe) Advanced Bionics HiRes Ultra 3D

Possible Complications If Untreated

Transient facial nerve weakness
Chorda tympani taste alteration
Flap swelling / seroma
Implant migration

Recovery Timeline, Diet & Lifestyle Care

Recovery Timeline

Procedure / Stage Expected Recovery Duration
Hospital Discharge 24 to 48 hours
Suture Removal 7 to 10 days
Processor Switch-On & Mapping 3 to 4 weeks post-op
Auditory Verbal Therapy (AVT) 6 to 12 months

Recommended Post-Treatment Diet

  • Soft, easily chewable diet for 3 days
  • Adequate fluid hydration

Essential Lifestyle Changes

  • Keep post-auricular incision dry for 10 days
  • Avoid head trauma or contact sports
  • Attend weekly AVT speech therapy sessions
When to Contact a Doctor Urgently:
Fever > 100.4°F (38°C)
Redness or fluid discharge behind the ear
Dizziness or severe vomiting

Prevention & Long-Term Health

Pneumococcal and Meningococcal vaccination prior to surgery
Early newborn hearing screening (OAE / BERA)

Frequently Asked Questions

What is the best age for a child to receive a cochlear implant?

Implantation before 12-18 months of age yields the best speech and language development outcomes.

Top Recommended Specialists Available

Dr. Biswajyoti Hazarika

Dr. Biswajyoti Hazarika

Head & Sr. Consultant - Head & Neck Surgical Oncology

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Dr. Shashidhar TB

Dr. Shashidhar TB

Head - Surgery (ENT & Airway Reconstructive Surgery)

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Dr. Trisha Srivastava

Dr. Trisha Srivastava

Consultant - ENT & Endoscopic Ear Surgery

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Global Cost Comparison Matrix

Procedure USA (Avg) India (ISG) Turkey (Avg) Thailand (Avg)
Cochlear implant surgery $50,000 $8,500 $14,000 $16,000

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Commonly Prescribed Medications

  • Amoxicillin-Clavulanate 625mg twice daily
  • Paracetamol 500mg as needed
  • Otopront Antiseptic Otic Drops

International Patient Guide

Estimated Stay in India:
BERA & Temporal Bone CT Evaluation 1 - 2 days
Cochlear Surgery & Hospital Stay 2 - 3 days
Initial Switch-on & Return Flight 10 - 14 days total stay
Documents to Bring:
  • Passport & Medical Visa
  • BERA / Audiometry Reports & Temporal Bone CT CDs