Otology Panel – Difficult Otologic Cases
Transcription
Otology Panel – Difficult Otologic Cases
ASK THE EXPERTS: OTOLOGY William H. Slattery III, MD Los Angeles, CA Wayne K. Robbins, DO Grand Blanc, MI Richard Goode, MD Palo Alto, CA Mark E. Reader, DO Porterville, CA Kami K. Fehlig, AuD Spokane, WA Mark J. Van Ess, DO Springfield, MO Case 1 - BG 42 Y/O white male sales manager seen by a local ENT 7/2000 w/ complaint of change in hearing in left ear Progressed over period of weeks w/ periods of fluctuation Associated w/ left tinnitus but no vertigo or disequilibrium Had been treated w/ course of oral prednisone w/out improvement in hearing PMHx IgA nephropathy Social Hx: Denies tobacco & EtOH MRI ICAs w/ w/o contrast “negative” Lab work Electrolytes, and Thyroid panel – normal Case BG 10 / 2000 after first evaluation ENG showed 18% Left weakness No ECoG available All labs normal (ANA, Sed Rate, VDRL, TSH, Lipids, BUN, CREAT and UA) No hearing changes on Prednisone Two weeks after starting on Dyazide Pt presents for audiogram due to improved hearing SRT improved from 65 dB to 35 dB primarily in low frequencies Case BG 7 / 2001 Pt seen by otology only pertinent finding was right-beating nystagmus on head shake Audiogram had deteriorated ELS surgery was offered but not recommended based on results 12 / 2002 BG seen after a first bout of acute vertigo that lasted 8 hours and improved using antivert from PCP Pt noted significant improvement in hearing after acute vertigo attack Restarted on Dyazide and discontinued antivert Follow up ENG shows 33% Left weakness Case BG From 2/ 2003 thru 6/ 2006 BG was stable with continued mild (mostly subjective) fluctuation in hearing, aural fullness and tinnitus but no vertigo 6/ 2006 Several episodes of vertigo of shorter duration aggravated by flying Pos fistula test Left CT scan negative for canal dehiscence ME exploration neg for fistula BAHA placed for single sided deafness left ear 3/ 2008 persistent vertigo w/ flying Treatment? BG MRI July 2000 March 2008 BG MRI Right Intra-labyrinthine Acoustic Neuroma July 2000 March 2008 Case Presentation HPI 51 y/o female Hx “right ear surgery” 11/29/2011 for cholesteatoma and meningoencephalocele Presents 09/05/2012 w/ c/o AD non-fluctuating, nonprogressive hearing loss present since initial surgery unchanged Denies Pt otorrhea, otalgia or vertigo had been scheduled for “2nd look” and staged OCR but had not proceeded w/ surgery PMH/PSH PSH AD T-mast CWI/Reconstruction w/o OCR w/ TM cartilage graft w/ repair of meningoencephalocele (middle fossa craniotomy) AD cholesteatoma, Incus & Malleus Erosion – (removed), meningoencephalocele (middle fossa craniotomy – bone repair tegmen defect) Planned – 2nd look T-plasty w/ OCR by primary surgeon – pt did not undergo procedure T&A, hysterectomy, appendectomy, hip PMH Asthma, OSAS, DM II, HTN, Depression Physical Exam HENT: AD: EAC w/o mass/lesion or abnormality, TM intact, thickened graft, unable to visualize through TM (suspect cartilage graft beneath TM), poor movement to pneumatoscopy AS: EAC unremarkable, TM intact, ME clear Tuning fork: 512 Hz AD – BC > AC AS – AC > BC Webber lateralized right Last audiogram May 2011 * Speech Reception Threshold and Word Recognition: live voice Right Ear: 40 dB HL with 100 % word recognition at 75 dB HL with 45 dB masking Left Ear: 5 dB HL with 100 % word recognition at 40 dB HL with no dB masking Cholesteatoma Imaging Role of CT & MRI Role of adhesive barrier(s) Silastic, Facial nerve monitor Canal Wall Staging/”2nd look” gelfilm, other Ossicular chain reconstruction Primary or staged Case 3 65 y/o Caucasian male B/L slowly progessive, non-fluctuating hearing loss > 20 years Patient wears bilateral hearing aids for > 15 years Denies vertigo or otalgia Admits to right sided otorrhea Previous bilateral ear surgery PSH/PMH PSH B/L ear surgery Left - canal wall down Tympanomastoidectomy Right - tympanomastoidectomy (canal wall intact) CABG PMH CAD, COPD, HTN, hypercholesterolemia Allergies Levaquin Physical Examination HEENT Right ear: Chronically thickened TM w/ granulation tissue and poor movement w/ pneumatotoscopy. Unable to visualize middle ear space Left ear: Canal wall down cavity w/ intact TM and ossicular chain. Middle ear clear of effusion. TM retracted superiorly onto malleus head, incus body and long process down onto stapes and facial nerve Audiometric Testing Speech Reception Threshold Right: Speech Awareness Right 90 dB HL; Left: 85 dB HL (live voice) at 60 dB HL; left at 75dB HL Word Recognition Testing Right: 36 % at 95 dB HL (0 dB masking) Left 36 % at 100 dB HL (0 dB masking) (live voice) AzBio sentences were completed at 60 dB using recorded voice and patient’s own hearing aids. He obtained a score of 14%. Case 3 ? Implant candidate? Choice of ear(s)? Further considerations/work-up? Choice of device? Vaccine Recommendations http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5231a5.htm#tab http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a2.htm#tab1 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5909a2.htm#tab2 Case 4 HPI 63 y/o cauc male c/o 2 month duration AS tinnitus Constant, (+): “high frequency”, non-pulsatile Intensity 8-9 of 10 – non- fluctuating Aggravating factors – noise exposure, stress B/L, gradual-onset, slowly worsening, non-fluctuating HL, present for years, significant noise exposure, AS aural fullness and subjective decrease in left sided hearing sensitivity (-): dizziness/vertigo, headaches, otalgia/otorrhea, previous ear surgery History PMH Polio, Hepatitis, Measles, Mumps as child Osteoarthritis PSH Hip (2007), “surgery for polio” (1950’s, 1960’s) Allergies NKMA Meds Alendronate ginger root Sodium, Flonase, fish oil, MVI, milk thistle, Physical Exam HEENT Unremarkable EOMI, PERRL, no nystagmus EAC patent, TM’s intact, ME clear bilateral, pneumatotoscopy w/ good TM mvt w/o vertigo/nystagmus Slight temporary decrease in intensity of tinnitus w/ positive pressure pneumatotoscopy – lasting 10 – 20 seconds duration Tuning forks 512 Hz – AC > BC bilateral (Rinne Positive) 512 Hz – Webber midline Testing Testing Audiogram, Tympanogram Stapes reflex Intact Ipsi & Contralateral Intact Neurotologic Evaluation IR Video Oculography No evidence spontaneous nystagmus, gaze evoked nystagmus, post head-shake nystagmus or nystagmus noted after rapid positioning w/ Dix-Hallpike postitioning tests Vestibular occular reflex (VOR) present & symmetric bilateral Case 4 Other testing of value? If yes, which test(s) Diagnosis Assessment AU SNHL – High Frequency Mild Unilateral 2 tinnitus, AS months duration, very bothersome to patient Recommendations for patient? Recommendation(s) Further testing MRI of IAC’s w/ gadolinium “unremarkable” Discussed observation, noise protection, +/amplification Other options? Recommendation(s) Positive pressure pneumatotoscopy decreased intensity of tinnitus and “normal” MRI of IAC’s, no change on repeat audiogram 4 weeks initial follow up Trial IT Dexamethasone (24 mg/ml) perfusion Single IT treatment – topical phenol Follow-UP 1 week follow-up post IT dex Significant decrease in intensity of tinnitus From initial 8-9 of 10 to 2-4 of 10 Decrease in aural fullness w/ subjective improvement in hearing – audiogram unchanged 6 week follow-up following 4 IT Dexamethasone treatments Symptoms stable (decreased: intensity of tinnitus – 2 of 10 to not noticeable – and aural fullness resolved), Cochlear hydrops??? @ 1 year post treatment – symptoms remain improved Case 5 50 y/o cauc. Female L sided (unilateral), persistent, non-pulsatile tinnitus Present x 3-4 years Slowly increasing in intensity Now 6-7 of 10 in annoyance/intensity Case 5 HPI Unilateral tinnitus Denies hearing loss, vertigo, imbalance, aural fullness, otalgia, otorrhea or previous ear surgery PMH/PSH Unremarkable Soc Hx Works at casino blackjack dealer, + smoker, +EtOH Case 5 Stapedial reflexes Present – ipsilateral and contralateral Other testing of value? MRI of IACs with and without contrast Case 6 HPI 50 y/o cauc female w/ 1 month history episodic whirling vertigo minutes to hours in duration. ~ 1-2 episodes/wk. Most recent episode ~ 24 hours prior to examination. Tx w/ valium, promethazine PRN. (+): 6 + episodes disabling vertigo associated w/ gradually worsening AS HL (worse following each episode vertigo over last month), AS tinnitus, AS aural fullness, nausea & vomiting, moderate improvement in symptoms w/ valium & phenergan (-): otorrhea, otalgia, headaches, loss of consciousness, syncope/near-syncope History PMH: Allergic rhinitis Allergies NKMA Medications Allegra, Valium, Promethazine PSH Foot surgery Soc Hx Married, Denies EtOH, tobacco, caffeine Physical Exam HEENT EOMI, PERRLA, No nystagmus (w/ fixation) EAC patent, TM intact, ME clear AU, pneumatotoscopy – good TM mvt, negative fistula test 512 Hz tuning fork Weber lateralized AD, Rinne AC > BC (positive) AU Physical Exam Neurotologic Evaluation IR Video Oculography (removal visual fixation) No evidence spontaneous nystagmus Horizontal right beating gaze evoked nystagmus present w/ rightward gaze Not present in centric or left-ward gaze Horizontal right beating post head-shake nystagmus Greater in intensity than nystagmus elicited by right-ward gaze Testing Further testing? EcOG, ABR, VNG, VEMP, DVA, VAT, etc.? Lab testing? MRI of IACs w contrast? Testing Stapes reflex Ipsi & contralateral intact MRI of IACs w/ gadolinium contrast “Unremarkable” No evidence intravestibular/intracochlear lesion, no evidence IAC mass/lesion, no intracranial mass/lesion Assessment Diagnosis AS Meniere disease Acute unilateral vestibular weakness, AS Management Treatment options “Lifestyle”/medical Diuretics, IT v. “surgical”? Betahistine, etc.? therapy? Management IT dexamethasone 24 mg/ml Single trans-tympanic injection, valium PRN Initial improvement immediately following 1st treatment w/ relief vertigo attacks, aural fullness & tinnitus x 3 days return of symptoms Management Following 1st perfusion recurrent vertigo, HL, aural fullness, tinnitus returned 2nd – 4th dexamethasone perfusion (q weekly) Vertigo relief x 4 weeks Recurrent episodes intense vertigo lasting seconds in duration made worse w/ positional changes/rolling over in bed Repeat Examination Neurotologic Evaluation IR Video Oculography (removal visual fixation) No evidence spontaneous nystagmus No gaze evoked nystagmus w/ right-ward or left-ward gaze Horizontal Left-beating post head-shake nystagmus Dix-Hallpike testing Head turned left Horizontal, left beating (geotrophic) nystagmus Direction changing w/ head turned right Horizontal, right beating (geotrophic) nystagmus – less intense than w/ head turned left Management Recurrent vertigo following series of 4 dexamethasone perfusions Positional MD in nature vs. ? Other etiology Repeat testing/further testing? Management AS HSC BPPV - cupulolithiasis Positioning Log maneuvers roll Positional vertigo resolved @ 1 week follow up AS MD Observe Repeat Examination 2 weeks post AS HSC BPPV treatment Patient presents again c/o repeated episodes vertigo (hours in duration) associated w/ aural fullness, HL, tinnitus, not associated w/ changes in position/rolling over in bed Currently nauseated w/ decreased hearing, increase in aural fullness/tinnitus and vertigo Physical Exam Neurotologic Evaluation IR Video Oculography (removal visual fixation) Spontaneous horizontal, left-beating nystagmus (increasing in intensity w/ removal visual fixation) Increasing in intensity w/ gaze to left and decreasing in intensity w/ gaze to right Assessment AS MD - worsening Post Dexamethasone perfusion x 4 AS HSC BPPV – cupulolithiasis Resolved Management Further testing? Repeat Dexamethasone perfusion? ELS, VNS, Gent, other? Management AS gentamicin perfusion 0.2 7 ml 80 mg/ml trans-tympanic x 1 minutes supine 1 week f/u Post Gent Perfusion Pt denies vertigo, c/o disequilibrium Hearing improved, aural fullness resolved, tinnitus improved Neurotologic exam (IR video oculography) Spontaneous horizontal, right-beating nystagmus Horizontal right-beating nystagmus increasing in intensity w/ rightward gaze Less in left-ward gaze 3 Month Follow – up No further episodes vertigo Disequilibrium Playing Aural resolved volleyball & running on treadmill fullness resolved Minimal, constant tinnitus present AS (2-3 of 10 down from 8-9 of 10 @ greatest intensity) Hearing improved 1 year follow - up Patient w/ recurrent episodes of “dizziness”/imbalance – several per month, lasting seconds in duration Fluctuating aural fullness and HL left ear Tinnitus present and unchanged Continues PO Maxzide Also w/ c/o nasal itching, nasal drainage, obstruction, sneezing, watery eyes, etc. Follow up Exam unchanged No nystagmus post head-shake testing Hearing unchanged on repeat audiometric testing Treatment Role of allergy testing/treatment