ûInner ear disease • Vertigo • Sensorineural hearing loss • Tinnitus
Transcription
ûInner ear disease • Vertigo • Sensorineural hearing loss • Tinnitus
Inner ear disease • Vertigo Recurrent episodes Jack J Wazen MD FACS Herbert Silverstein MD FACS Silverstein Institute Ear Research Foundation Sarasota, Florida Vestibular Meniere’ Meniere’s disease Recurrent vertigo, no hearing loss, hx of migraine headache, allergies Bilateral Meniere’ Meniere’s disease(autoimmune IED) Delayed endolymphatic hydrops (DEH) Trauma or viral deafness. years later develop DEH in same or opposite ear Treatment • Acute attacks Lorazepam (Ativan 0.5mg) Sublingual Better than Meclizine Compazine or phenergan suppository 25mg Bed rest Reassurance • Sensorineural hearing loss Usually low frequencies early • Tinnitus • Aural fullness Etiology- unknown, allergic, migraine variant Inciting causes, stress, excess salt, seasons, weather, and unknown Pathology • Dilatation of the membranous labyrinth • Excess volume endolymph increased secretion or reduced absorption endolymphatic sac Surgical indications for gentamicin perfusion with MicroWick • Recurrent vertigo attacks main complaint • Unresponsive to medical treatment • Serviceable hearing in opposite ear • Minimal unsteadiness • Unilateral disease Classical Meniere's’ Meniere's’ disease Vertigo attacks, low frequency hearing loss, tinnitus and pressure (Unilateral) Cochlear Meniere’ Meniere’s disease • Same as classical, no vertigo Treatment • Between attacks Dyazide qd diamox 250mg bid or hydodiuril 50mg/day Reduce salt intake Early casecase- prednisone 60mg/d x 2 weeks Betahistine 8mg tid. Allergy work up Inner ear perfusion Dex 10 mg/cc one month MethodMethod- Gentamicin • Surgeon injects the 1st time(69801) • Patient instills 2 drops into the ear canal t.i.d. • Weekly visits to titrate the end point Air VNG, HT, Ecog • 2-4 weeks of treatment 224 patients with disabling Meniere disease treated between May 1996 and June 2007 • • Average 47 months follow up, 22 of 24 patients (88%) showed unchanged or improved SDS (statistically significant; p = 0.009) • • Minimum 24 months followfollow-up No previous otologic surgery for Meniere disease Patients with stage 1 Meniere disease treated with low dose continuous gentamicin (10mg/mL) perfusion with the MicroWick • Stage I Meniere disease (PTA < 25 dB) • Appear to have: Similar vertigo control Better hearing preservation Better overall satisfaction than patients with advanced stage disease Results • All 28 patients (normal hearing/mild hearing loss) improved/resolved - 23 patients (82%) unchanged - 5 patients (18%) • Subgroup, 17 patients with normal hearing improved/resolved in 16 (94%) patients worsening of symptoms - 0 decreased hearing - 0 Stage 22-4 Meniere disease (PTA > 25 dB) • Average 89 months followfollow-up, 116 of 200 patients (59%) showed unchanged or improved SDS Mean PTA loss of 11 dB Seventeen patients (71%) reported complete or improved vertigo control • 148 patients (74%) reported complete or improved vertigo control Sixteen patients (89%) reported an improved quality of life (GBI) • 33 patients (56%) reported an improved quality of life Mean PTA loss of 8 dB Low frequency hearing loss May fluctuate Tinnitus high or low frequency Pressure or fullness Vertigo none or occasional attacks Conclusions • Early form of Mé Méniè nière disease with fullness /stuffiness in ear and normal hearing. • The improvement in a high % of our patients suggest an inflammatory or immune mediated etiology • Early treatment may prevent or delay onset of full blown Meniere disease Indications for one month dexamethasone perfusion 44-10mg/cc 2 drops t.i.d. with MicroWick • Unresponsive to medical treatment • Hx of ulcer, hypertension, diabetes • Avoid systemic effects of steroids • SubSub-clinical endolymphatic hydrops Advantages • Little systemic side effects • Can be used when there is diabetes, hypertension, or ulcers • Does not cause hearing loss • If vertigo develops can still use gentamicin single injections or with MicroWick Vestibular neurectomy • Indications Gentamicin failure Persistent vertigo attacks Can undergo general anesthesia Balance normal between attacks Unilateral disease usually Serviceable hearing in opposite ear Association between vertigo and migraine • • • • 1873 Liveing 1907 Gowers et al 1926 Symonds et al 1968 Graham et al 1961 Bickerstaff introduced Basilar Migraine concept Vestibular migraine, first defined by Neuhauser et al in 2001, is a condition of episodic vertigo linked to migraine headache. Its acute vestibular symptoms are indistinguishable from MD Headaches of all types occur in 70-76% of patients with MD Migraine specifically occurs in 22-56% of classical MD The prevalence of Vestibular Migraine : 13% of the population Prevalence of Menieres disease is 0.2% Vestibular neurectomy • Complications Infrequent CSF leakleak- 1%, none since 1988 Infections rare Meningitis, facial paralysis, deathdeathnone Imbalance difficultydifficulty- 2% Second most common cause of recurrent vertigo after BPPV Indications for transtrans-canal labyrinthectomy • Persistent vertigo and poor hearing • Gentamicin failure and poor hearing Must remove the Utricle Prevalence of migraine: • Males: 4-6% • Females: 11.2- 17.2% (20% in age 20- 49 years) 6–7% of patients in neurological dizziness clinics Prevalence of vertigo and non-vestibular dizziness: 23- 29.5% 9% of patients in a migraine clinic Migraine and dizziness correlate more frequently than could be expected by chance The epidemiological link between migraine and vestibular symptoms and signs suggests shared pathogenetic mechanisms 1992 Cutrer and Baloh • 2 Mechanisms 1. spreading wave of depression and/or transient vasospasm. 2. neuroactive peptides Spreading depression theory: • Stimulus/trigger (chemical, mechanical) results in a transient wave front that suppresses central neuronal activity. • Spreads in all directions. • Large ion fluxes (↑ K+ intracellular, ↓ CA++ extracellular) • Reduction in cerebral blood flow • Aura during spreading wave of cortical depression Migraine without aura (formally called common migraine) –At least 5 attacks including: • Headaches lasting 4-72 hours • Has at least 2 of the following characteristics: Unilateral location Pulsating quality Moderate or severe Aggravation by activity • During headache, at least 1 of the following occurs: Nausea and/or vomiting Photophobia and phonophobia Other disorders excluded by exam or appropriate diagnostic studies Migraine headaches begin years before vertigo usually There might be a migraine free period in between Vertigo may be the initial symptom of migraine Positive family history Recurrent vertigo and migraine headaches can be independent Vasospasm of the internal auditory artery causes ischemia to the labyrinth Migraine has been shown to lead to isolated infarction of the inner ear probably through vasospasm of the small arteries. Migraine may cause vasospastic microvascular ischemic damage to the inner ear, hearing loss, and susceptibility to developing ELH The role of migraine in SSNHL has been proposed based on the association of migraine with amaurosis fugax, hemiplegia, angina, and visual auras. Migraine with aura (formally called classic migraine) –At least 2 attacks including: • 3 of the 4 following characteristics: One reversible aura symptom indicating focal CNS dysfunction (i.e., vertigo, tinnitus, decreased hearing, ataxia, visual symptoms in one hemifield of both eyes, dysarthria, double vision, paresthesias, paresis, decreased level of consciousness) Aura symptom that develops gradually over more than 4 minutes or 2 or more symptoms that occur in succession No aura symptom that lasts more than 60 minutes unless more than one aura symptom is present Headache follows aura in less than 60 minutes Other disorders excluded by exam or appropriate diagnostic studies • Long history of motion intolerance during car, boat or air travel • The duration of the vertigo is variable: 7% experience vertigo for seconds. 31% for minutes up to 2 hours. 5% for 2-6 hours. 8% for 6-24 hours. 49% for longer than 24 hours. • Continuous rocking sensation for weeks to months Others: Central and peripheral deficits are secondary to release of neurotransmitters such as calcitonin- gene-related peptide during the migraine attack. Ion-channel dysfunction and calcium channel disturbances of the inner ear and its central connections could be implicated ? effect on treatment Other categories: • Migraine with prolonged aura - Fulfills criteria for migraine with aura but the aura lasts more than 60 minutes and less than 7 days • Basilar migraine (replaces basilar artery migraine) - Fulfills criteria for migraine with aura but 2 or more aura symptoms of the following types occur: vertigo, tinnitus, decreased hearing, ataxia, visual symptoms in both hemifields of both eyes, dysarthria, double vision, bilateral paresthesias, bilateral paresis, and decreased level of consciousness • Migraine aura without headache (replaces migraine equivalent or acephalic migraine) - Fulfills criteria for migraine with aura but no headache occurs Vertigo usually rotational but could be “to and fro sensation” Lightheadedness Dizziness Giddiness Floating sensation Motion sickness like Swimming or rocking sensation Postural imbalance but can walk alone Common but not severe Phonophobia (85%), to be differentiated from Vertigo exacerbated by motion recruitment and hyperacusis of MD Mild to moderate loss rarely progresses Positional vertigo • Unilateral or bilateral Aural fullness Fluctuating hearing loss Visual vertigo No diagnostic tests exist! • • diagnosis is made by clinical history If unclear diagnosis, by therapeutic response to treatment. Evidence of peripheral vestibular weakness favors MD Progressive SNHL favors MD No differences with posturography, VEMP, and oVEMP Tinnitus Diagnosis of migrainous vertigo requires ALL of the following: 1. Lifetime diagnosis of migraine 2. Vestibular symptoms that: • a. Are intermittent, not constant, AND • b. Are more than simple dizziness (e.g., vertigo, illusory motion, or head motion intolerance), AND • c. Interfere with daily activities, AND • d. Are not caused by identified pathology Abnormalities have been seen on : Caloric testing (directional preponderance) Ocular-motor testing Rotational testing (asymmetric nystagmus responses ) Positional testing Posturography Usually do not indicate a definite peripheral or central vestibular lesion 3. One or more migraine symptoms has occurred with episodic vestibular attacks: • a. Migraine headache, OR • b. Photophobia, OR • c. Phonophobia, OR • d. Aura (other than dizziness) 4. No hearing loss or neurologic or otologic pathology to explain balance abnormalities (E.g., patients with Meniere's disease would not be diagnosed with migrainous vertigo) Symptom Furman et al developed a diagnostic algorithm Definite migrainous vertigo • meet International Headache Society criteria for migraine, • episodic or fluctuating symptoms highly suggestive of a vestibular disorder Probable migrainous vertigo • episodic or fluctuating vestibular symptoms suggestive of a vestibular disorder • no known causes of vertigo, and Ménière Disease Usually lasts up to 24 hours May last > 24 hours; prolonged rocking sensation may persist for weeks or months Sensorineural Hearing Loss Most often unilateral; fluctuating; almost always progressive Rarely occurs but if present, rarely progressive; may fluctuate in basilar migraine Tinnitus Unilateral or bilateral; intensity varies May occur (usually bilateral) but rarely disturbing Aural Fullness May occur prior to/during acute attack only or chronic Rarely occurs Phonophobia May occur after or between acute attacks; unilateral or bilateral Often present; usually bilateral Photophobia Never present unless concurrent history of migraine Often present Headache Rarely occurs May or not be present with vertigo; can occur with/without aura not simply dizziness, giddiness, or light-headedness, • no known causes of vertigo • experience at least one of a set of migrainous symptoms during at least two vertiginous attacks. • symptoms highly suggestive of migraine Migraine-Associated Vertigo Vertigo Diarrhea Often occurs during acute attack Nausea/Vomiting Frequently occurs during acute attacks May occur with vertigo History of motion sickness/ childhood BPPV Rarely associated Frequently associated Rarely occurs The 3 broad classes of migraine headache treatment • reduction of risk factors • abortive medications • prophylactic medical therapy. In general abortive drugs not effective in treating migrainous vertigo. Reduction of risk factors (stress, anxiety, hypoglycemia, fluctuating estrogen, certain foods, smoking) Elimination of birth control pills or estrogen replacement products First-line prophylactic • calcium channel blockers (verapamil 80–120 mg/d) • tricyclic antidepressants (nortriptyline 10-150mg/d) • beta-blockers (propranolol 80–320 mg/d). Second-line treatment includes • • • • • • Acetazolamide (Diamox®) 250 mg bid Topiramate (Topamax®) 50 mg bid Methysergide Valproic acid. SSRIs Gabapentin •Acute vestibular symptoms are indistinguishable from MD •Unilateral auditory sxs (tinnitus, fullness, hearing loss) most useful clinical differential characteristic , favoring MD. •Bilateral auditory sxs are equally frequent in both groups. •Patients with MD usually develop unilateral HL within 1 year of onset of vertigo •Unilateral SNHL and a hx of moderate to severe headaches were the most distinguishing features of MD vs VM. Effective in fewer than 25-30% of migraine cases Offending foods: • monosodium glutamate (MSG) • alcoholic beverages (red wine, port, sherry, scotch, bourbon) • aged cheese • chocolate • Aspartame Regular sleep Regular meals Exercise Avoiding peaks of stress, troughs of relaxation Relaxation training Biofeedback Vertigo • Lorazepam (Ativan®) 0.5 mg tid prn • Promethazine/pseudoephedrine (25 mg/60 mg twice daily) • Dimenhydrinate (Dramamine®) • Meclizine (Antivert®) Whitney et al. : vestibular physical therapy beneficial in 14 patients with either migrainerelated dizziness or dizziness with a history of migraine. Significant improvement in both Treat associated anxiety or panic disorder • Behavioral therapy • Pharmacotherapy • subjective (Dizziness Handicap Inventory and Activities- Specific Balance Confidence Scale) and • Objective (Dynamic Gait Index) measures occurred after completion of an average of 5.4 physical therapy treatment sessions over 3.9 months. Tricyclic antidepressants Anxiolytic (eg, benzodiazepine) Cutrer FM, Baloh RW: Migraine-associated dizziness. Headache 1992; 32: 162-3. Whitney SL, Brown KE, Furman JM. Physical therapy for migraine related vestibulopathy and vestibular dysfunction with history of migraine. Laryngoscope 2000;110(9):1528-34. Neuhauser H, et al: The interrelations of migraine, vertigo, and migrainous vertigo. Neurology, 2001; 56: 436-41 Reploeg MD, Goebel JA: Migraine-associated Dizziness: Patient Characteristics and Management Options. Otol Neurotol. 2002;23:364371. Furman JM, et al. Migrainous vertigo: development of a pathogenetic model and structured diagnostic interview. Curr Opin Neurology 16:5–13. 2003 Neuhauser HK, Radtke A, von Brevern M, et al: Migrainous vertigo, Prevalence and impact on quality of life. Neurology 2006;67:1028-1033 Cha YH, Brodsky J, Ishiyama G, et al: The relevance of migraine in patients with Meniere’s disease. Acta Otolaryngol, 2007; 127: 12411245. Neuhauser HK. Epidemiology of vertigo. Curr Opin Neurol 20:40–46, 2007. Eggers, Scott D Z. Migraine-related vertigo: diagnosis and treatment. Current Pain & Headache Reports. 11(3):217-26, 2007 Karatas . Central Causes of Dizziness. The Neurologist. Volume 14, Number 6, November 2008 Honakera J, Samyb RN. Migraine-associated vestibulopathy. Current Opinion in Otolaryngology & Head and Neck Surgery 2008, 16:412– 415 Casani AP, Sellari-Franceschini S, Napolitano A, et al: Otoneurologic Dysfunctions in Migraine Patients With or Without Vertigo. Otol Neurotol 30:961-967, 2009. Brantberg K, Baloh RW: Similarity of vertigo attacks due to Meniere’s disease and benign recurrent vertigo, both with and without migraine. Acta Otolaryngol, 2011; 131:722-727. Zuniga MG, Janky KL, Schubert MC, Carey JP. Can VestibularEvoked Myogenic Potentials Help Differentiate Meniere Disease from Vestibular Migraine? Otolaryngol Head Neck Surg. 2012;146, 788-796. Neff BA, Staab JP, Eggers SD,et al. Auditory and Vestibular Symptoms and Chronic Subjective Dizziness in Patients with Meniere’s Disease, Vestibular Migraine, and and Meniere’s Disease with Concomitant Vestibular Migraine. Otol Neurotol 2012;33:12351244