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OtoPrep ABOHNS QOTW • Board-style otology Also relevant to FRCS (ORL-HNS) + EBEORL-HNS

Post-stapedectomy vertigo + hearing crash: diagnose by timing.

If a patient becomes suddenly worse around day 7–15 after stapes surgery with vertigo + rapid SNHL, treat it as an inner-ear emergency and think reparative granuloma until proven otherwise.

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Exam trap: BPPV can be positional, but it should not explain a sudden hearing crash.

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The clinical scenario (pattern recognition)

This is a board favourite because it rewards the fastest discriminator: timing.

You’re reviewing a patient 10 days after an uncomplicated stapedectomy/stapedotomy for otosclerosis. They initially improve — then suddenly develop severe vertigo and a significant hearing drop. The wound looks fine, and imaging may even be “normal.”

Pattern: day 7–15 + vertigo + rapid SNHL → think reparative granuloma until proven otherwise.
Exam trap: “positional” vertigo can distract you — BPPV does not explain a hearing crash.

Diagnostic approach: timing is everything

Your differential should be time-anchored — then you document whether the hearing loss is SNHL.

Timing-based differential (high yield)

When symptoms start Think first Why it matters
0–7 days Perilymph leak/fistula, prosthesis malposition, early inner-ear insult Early mechanical/leak causes are more likely immediately post-op
7–15 days Reparative granuloma Classic window; don’t be reassured by a normal wound or “normal” imaging
>4 weeks Infection, delayed mechanical issues, other inner-ear pathology Broaden the differential; reassess red flags and escalate appropriately

Stepwise exam answer

  1. Establish the timeline. Timing is the fastest discriminator.
  2. Document the hearing crash. Vertigo alone can occur; vertigo + rapid SNHL is the red flag.
  3. Urgent audiogram. Confirm severity and whether it’s SNHL/mixed/CHL.
  4. Screen for red flags. Fever, meningism, CSF leak symptoms, neuro deficits.
  5. Imaging supports, but never reassures. If the pattern fits, don’t delay escalation waiting for scans.

Management checklist (same-day actions)

In exams you’re marked on speed, escalation, and hearing preservation.

Frame it as an inner-ear emergency: suspected reparative granuloma warrants urgent otology involvement.
  1. Urgent audiogram (confirm SNHL; document baseline deficit)
  2. High-dose corticosteroids (if appropriate / not contraindicated)
  3. Urgent otology escalation for management decisions (including possible early exploration/revision when suspicion is high)
  4. Consider antibiotics if infectious concern exists (case-dependent)

Pitfalls that lose hearing

  • Calling it BPPV (positional ≠ hearing crash)
  • Ignoring timing (day 7–15 is the classic window)
  • Delaying escalation because the wound “looks fine”
  • Being falsely reassured by normal imaging

Want more board-style otology patterns?

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FAQ

What is reparative (vestibular) granuloma after stapes surgery?

A rare but serious inflammatory/granulation tissue reaction around the oval window/stapes prosthesis region, classically associated with vertigo and a sensorineural hearing loss (SNHL) drop.

When does it typically present?

The classic timing is day 7–15 after stapedectomy/stapedotomy — a key board-style pattern.

How do I distinguish BPPV from an otologic emergency in this setting?

BPPV causes brief positional vertigo episodes but should not explain a sudden hearing crash. Vertigo + rapid SNHL after stapes surgery should trigger urgent otology escalation.

What else is on the differential for vertigo + hearing loss after stapes surgery?

Early (0–7 days) issues include perilymph leak/fistula or prosthesis problems; later differentials include infection and delayed mechanical issues. Timing + audiogram pattern help you prioritize.

Do I need CT/MRI to diagnose reparative granuloma?

Imaging can support evaluation of complications, but it may be normal. If the timing + symptoms fit, don’t delay escalation waiting for imaging.

What is the immediate management in an exam answer?

Treat as an inner-ear emergency: urgent audiogram, consider high-dose steroids if appropriate, and urgent otology referral for possible early exploration/revision when suspicion is high.

Can hearing recover?

Outcomes vary. The examinable point is that early recognition + urgent escalation aims to maximize hearing preservation and symptom control.

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