middle ear diseases - sun.ac.zaclassification - without cholesteatoma - with cholesteatoma ·...
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Middle Ear DiseasesMiddle Ear Diseases
Marize ViljoenMarize ViljoenENT ENT TygerbergTygerberg
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Acute Acute OtitisOtitis MediaMedia
Inflammation +/ infection of middle earInflammation +/ infection of middle earShort + severe episodeShort + severe episodeMost common childrenMost common childrenAssociated with respiratory Associated with respiratory infxinfx/ blocked / blocked sinuses or sinuses or ET(allergiesET(allergies/ enlarge adenoids)/ enlarge adenoids)BacteriaBacteria--S. S. PneumoniaePneumoniae, , H.InfluenzaeH.Influenzae, , M.CatarrhalisM.CatarrhalisVirusesViruses--RSV, RSV, InfluenzaeInfluenzae A+B, RhinovirusA+B, Rhinovirus
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Risk FactorsRisk Factors
Recurrent URTIRecurrent URTIGroup day careGroup day careSecondhand smoke exposureSecondhand smoke exposureImmune statusImmune statusVaccine statusVaccine statusNasal allergiesNasal allergiesHigh altitude/cold climateHigh altitude/cold climate
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SymptomsSymptoms
Severe Severe otalgiaotalgia (50(50--75%) 75%) Conductive Hearing lossConductive Hearing lossFever/Chills/anorexiaFever/Chills/anorexia<2yrs<2yrs--Irritability/ Acutely ill/ Irritability/ Acutely ill/ unconsolableunconsolablecryingcrying
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SignsSigns
Ear inspectionEar inspection-- dullness, redness , air bubbles dullness, redness , air bubbles or fluid behind eardrumor fluid behind eardrumBulging eardrum/ retractedBulging eardrum/ retractedPerforations with Perforations with otorrheaotorrhea/bleeding/bleedingDecreased mobility of eardrumDecreased mobility of eardrumType B Type B tympanogramtympanogram
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TreatmentTreatment
Antipyretic + analgesicsAntipyretic + analgesicsAntibioticsAntibiotics-- 1)Amoxil / 2)Augmentin/ 1)Amoxil / 2)Augmentin/ 3)Cefuroxime for 10 days3)Cefuroxime for 10 daysNasal spray/ drops/ antihistamines (ET)Nasal spray/ drops/ antihistamines (ET)Follow up after 2/52 to ensure resolutionFollow up after 2/52 to ensure resolutionKeep ear dry + cleanKeep ear dry + clean
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OtitisOtitis Media with effusion:Media with effusion:
*Inflammation*Inflammation-- resulting collection of fluid resulting collection of fluid behind eardrumbehind eardrum
*6*6--7yrs 7yrs eustachianeustachian tube function normalizestube function normalizes*ET*ET--tube obstruction/ ongoing middle ear tube obstruction/ ongoing middle ear
inflammationinflammation*Resolve spontaneously*Resolve spontaneously
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Signs:Signs:
*Children*Children-- asymptomatic asymptomatic --pull ear/ clogged earpull ear/ clogged ear
*Parents of children*Parents of children––poor hearingpoor hearing--speech + language developmental speech + language developmental delaydelay
*Adults *Adults ––aural pressureaural pressure--hearing losshearing loss--clicking/ popping soundsclicking/ popping sounds
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Symptoms:Symptoms:
Dull ,immobile, bulging, retracted TMDull ,immobile, bulging, retracted TMAir bubbles/ airAir bubbles/ air--liquid interfaceliquid interface
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DxDx workup:workup:
Pneumatic Pneumatic otoscopyotoscopyType B Type B tympanogramtympanogramAudiogramAudiogram-- 1010--30dB conductive hearing loss30dB conductive hearing lossFlexible Flexible fiberopticfiberoptic nasopharyngoscopynasopharyngoscopy (adults)(adults)
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Rx:Rx:
Observe + followed closelyObserve + followed closelyMyringotomyMyringotomy + grommets insertion for + grommets insertion for persistent persistent OME(NoOME(No resolution after 3/12)resolution after 3/12)
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Indications for referralIndications for referral
If symptoms worsen/new appearIf symptoms worsen/new appearNo improvement after 48H on A/BNo improvement after 48H on A/BPersistent feverPersistent feverSevere headacheSevere headachePersistent Persistent otalgiaotalgiaMastoiditisMastoiditisFacial ticsFacial ticsVertigoVertigo
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Chronic Chronic SupperativeSupperative OtitisOtitis MediaMedia
Recurrent/ persistent inflammation +/Recurrent/ persistent inflammation +/infxinfx of of middle ear or mastoid cavitymiddle ear or mastoid cavityClassification Classification -- without without cholesteatomacholesteatoma
-- with with cholesteatomacholesteatomaMore bacterial More bacterial Higher incidence resistant organismsHigher incidence resistant organismsSerious + fatal complicationsSerious + fatal complications
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CausesCauses
ET blocked ET blocked ––allergies, multiple allergies, multiple infxinfx, ear , ear trauma, swelling of adenoidstrauma, swelling of adenoidsUnresolved acute ear Unresolved acute ear infxinfxRecurrent ear Recurrent ear infxinfx-- perforation perforation PathogensPathogens-- P. P. aeruginosaaeruginosa, , S.aureusS.aureus, Anaerobe, , Anaerobe, Fungal infectionsFungal infections
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SymptomsSymptoms
Painless / discomfortPainless / discomfortOtorrheaOtorrheaHearing lossHearing loss
May be continuous or intermittentMay be continuous or intermittent
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SignsSigns
Purulent foul Purulent foul smelligsmellig dischargedischargePerforationPerforation--Aural polypAural polypHearing lossHearing lossCholesteatomaCholesteatoma--White debris/ retraction White debris/ retraction pocket/ granulation tissue/ attic perforationpocket/ granulation tissue/ attic perforation
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Complications of OM:Complications of OM:
Extracranial:CSOMExtracranial:CSOM with with cholesteatomacholesteatomaAcute Acute MastoiditisMastoiditisLabyrinthitisLabyrinthitisFacial paralysisFacial paralysisTympanosclerosisTympanosclerosisPartial/ complete deafnessPartial/ complete deafnessPetrousPetrous apicitisapicitis
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Intracranial:Intracranial:
MeningitisMeningitisSigmoid sinus thrombosisSigmoid sinus thrombosisSubduralSubdural empyemaempyemaIntracranial abscessesIntracranial abscessesEpidural abscessEpidural abscess
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Treatment(MedicallyTreatment(Medically):):
AntibioticsAntibiotics-- For 14 daysFor 14 daysEar toiletEar toilet-- syringing/ dry mopping/ suctioningsyringing/ dry mopping/ suctioningEar dropsEar drops-- A/B + steroid/ steroid/ acid dropsA/B + steroid/ steroid/ acid dropsAudiogram if dryAudiogram if dryENT referralENT referral
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CholesteatomasCholesteatomas
Stratified Stratified squamoussquamous epithelium in middle earepithelium in middle earTheories of origin: Migrate from EAC/ Theories of origin: Migrate from EAC/ Hyperplasia basal layer of pars Hyperplasia basal layer of pars flaccidaflaccida ––healing or retraction/ healing or retraction/ squamoussquamous metaplasiametaplasia due due to longstanding to longstanding infxinfxBegins desquamate + accumulatesBegins desquamate + accumulatesCollagenasesCollagenases + destroy adjacent bone+ destroy adjacent bone
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Treatment(SurgeryTreatment(Surgery):):
Refer for mastoid surgeryRefer for mastoid surgeryKeep ear dry+ cleanKeep ear dry+ clean-- local Rxlocal RxAudiogramAudiogram
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Acute Acute MastoiditisMastoiditis::
Contiguous spread AOM to mastoidContiguous spread AOM to mastoidSequelaSequela of partially/untreated AOMof partially/untreated AOMMucosal edema + Mucosal edema + infxinfx with clouding of with clouding of mastoid air cellsmastoid air cellsMean age 3 yearsMean age 3 yearsDiagnosis based on clinical featuresDiagnosis based on clinical features
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Symptoms:Symptoms:
Fever/ RigorsFever/ RigorsOtalgiaOtalgiaSignificant Significant retroauricularretroauricular painpainOtorrheaOtorrhea at timesat times
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Signs:Signs:
PostauricularPostauricular tenderness to palpation+ edematenderness to palpation+ edemaEar protrusionEar protrusionSagging of Sagging of posterosuperiorposterosuperior EACEACTMTM-- AOM/ CSOMAOM/ CSOMConductive hearing lossConductive hearing lossLeukocytosisLeukocytosis
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DxDx + Rx:+ Rx:
CTCT--scan delineate extent of scan delineate extent of infxinfxOrganismsOrganisms--S. S. Pyogenes,SPyogenes,S. . PneumoniaePneumoniae, H. , H. Influenza, P. Influenza, P. AeruginosaAeruginosa, Anaerobes, Anaerobes
IV A/B (2IV A/B (2ndnd gen.cephalosporingen.cephalosporin))MyringotomyMyringotomy + grommets+ grommetsMastoid surgeryMastoid surgery-- coalescence of mastoid/ no coalescence of mastoid/ no improvement on A/B/ complicationimprovement on A/B/ complication
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Complications:Complications:
ExtracranialExtracranial ––subperiostealsubperiosteal abscessabscess--middle ear pathologymiddle ear pathology--lucluc’’ss abscessabscess--bezoldbezold’’ss abscessabscess--citellicitelli’’ss abscessabscess--petrositispetrositis
Intracranial Intracranial --meningitis/epidural abscess/ meningitis/epidural abscess/ sigmoid sinus thrombosis/brain abscesssigmoid sinus thrombosis/brain abscess
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The EndThe End