Rinitis Alergi Only Dr.sph 2
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Transcript of Rinitis Alergi Only Dr.sph 2
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• The most prevalent of type I allergic dis.• The symptoms and signs caused by mediators : vessels, glands and nerves.• Classified as inflammatory disease.
ALLERGIC RHINITIS :
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Sign & symptoms :Sign & symptoms : Itching noseItching nose SneezingSneezing RhinorrheaRhinorrhea Nasal obstructionNasal obstruction
Allergic salute
ALLERGIC RHINITIS :
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EPIDEMIOLOGYEPIDEMIOLOGY
Prevalence in ISAAC (Asher 1995) :Prevalence in ISAAC (Asher 1995) : 0.8 – 14.95 % in 6-7 years old0.8 – 14.95 % in 6-7 years old 1.4 – 39.7 % in 13 – 14 years old 1.4 – 39.7 % in 13 – 14 years old
Low pervalenceLow pervalence : Indonesia, Georgia, Greece : Indonesia, Georgia, Greece Semarang (2002) ISAAC phase 3, RA : 18,6% Semarang (2002) ISAAC phase 3, RA : 18,6% High pervalence : Australia, UK and Latin High pervalence : Australia, UK and Latin
AmericaAmerica In adults : no equivalent to ISAAC study In adults : no equivalent to ISAAC study National survey : 5.9 % France and 29 % UKNational survey : 5.9 % France and 29 % UK
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WHO Classification ofWHO Classification of Allergic rhinitis Allergic rhinitis
1.1. INTERMITTENT INTERMITTENT Less than 4 days a week, Less than 4 days a week, oror Less than 4 weeksLess than 4 weeks
2.2. PERSISTENTPERSISTENT More than 4 days a week, More than 4 days a week, andand More than 4 weeks More than 4 weeks
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SEVERITY OF THE SEVERITY OF THE DISEASEDISEASE
1.1. MILDMILD – means – means no oneno one of the following of the following items are presentitems are present
Sleep disturbanceSleep disturbance Impairment of daily activities / sportImpairment of daily activities / sport Impairment of school / workImpairment of school / work Troublesome symptomsTroublesome symptoms
2.2. MODERATE – SEVEREMODERATE – SEVERE, when , when one or one or moremore of the symptoms are present of the symptoms are present
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MECHANISMS OF Allergic RHINITIS
Mast cell
HistamineLeukotrienesProstaglandin'sBradykinin,PAF
Itch, sneezingWatery dischargeNasal congestion
allergen
Th2 cell
B cell
eosinophils Nasal blockadeLoss of smellNasal hyperreactivity
IL4
IgE
IL 3, 5, GMCSF
Immediate rhinitis symptoms
Chronic ongoing rhinitis
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MAST CELL DEGRANULATION
Histamine, Heparin, Tryptase, TNF , TGF , IL 3, 4, 5, 13
Newly formed mediators
PLA2 AA + PAF
C.O 5 L.O
PGD2 LTC4 LTB
LTD4
LTE4
Y Yallergen
Preformed mediators
Y Y
Y
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HISTAMINE
HH11-R-R
DEGRADATION( histamine methyl transferase)
CNS Endothelium(Vascular Permeability)
Nociceptive Nerves
• Itch.• Systemic Reflexes Sneeze Allergic Salute
Serous/Mucous Secretion• Parasympathic Reflexes Glandular Exocytosis
HISTAMINE EFFECTS
Vascular wall
Vasodilatation
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Diagram of DIAGNOSTIC PROCEDURES (1)
patients with AR symptoms ( history of illness + physical exam.)
skin prick test
(+)
AR with complications / concomitant dis
AR without complication
eosinophil on nasal cytology
(+)
allergic Rhinitis ?
(-)
non allergic rhinitis
NARES
(-)
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Diagnostic Procedures (2)Diagnostic Procedures (2)
1.1. AnamnesisAnamnesis Chief complain :Chief complain :
1.1. Itching noseItching nose2.2. Sneezing : morning >>Sneezing : morning >>3.3. Serous nasal secretion Serous nasal secretion 4.4. Nasal obstruction at night Nasal obstruction at night
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Diagnostic Procedures (3)Diagnostic Procedures (3)1.1. AnamnesisAnamnesis
The symptoms was environment relatedThe symptoms was environment related History of other allergic manifestation of History of other allergic manifestation of
patients and other allergic familial patients and other allergic familial manifestationsmanifestations
Duration of illness, severity of the Duration of illness, severity of the disease and the respond of the previous disease and the respond of the previous treatmenttreatment
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Diagnostic Procedures (4)Diagnostic Procedures (4)
2. Physical examination2. Physical examination Should be performed with Should be performed with
appropriate lighting and use of appropriate lighting and use of nasal speculumnasal speculum
normal oedema
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Diagnostic Procedures (5)Diagnostic Procedures (5)2. Physical examination2. Physical examination
Including : Including : 1.1. Nasal passage waysNasal passage ways2.2. Nasal mucosaNasal mucosa3.3. TurbinatesTurbinates4.4. SecretionSecretion5.5. SeptumSeptum6.6. Polyps ?Polyps ?7.7. Sinusitis ?Sinusitis ?
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Diagnostic Procedures (6)Diagnostic Procedures (6)
3. Nasal cytology3. Nasal cytology Large number of eosinophils may aid to Large number of eosinophils may aid to
differentiate AR & NARES from other differentiate AR & NARES from other RhinitisRhinitis
No consensus to routinely performed for No consensus to routinely performed for evaluation of rhinitis evaluation of rhinitis
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Diagnostic Procedures (7)Diagnostic Procedures (7)
4. Total serum Ig E4. Total serum Ig E Neither very sensitive nor very Neither very sensitive nor very
specificspecific 35 – 50 % AR 35 – 50 % AR Normal Ig E Normal Ig E
levelslevels Poor correlation with symptom Poor correlation with symptom
and skin testing result and skin testing result
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Diagnostic Procedures (8)Diagnostic Procedures (8)
5. Nasal provocation testing5. Nasal provocation testing Based on a history of AR symptoms Based on a history of AR symptoms
provoked by allergen exposure and provoked by allergen exposure and confirmed by skin testingconfirmed by skin testing
It may be required for confirmation It may be required for confirmation of sensitivity to allergen in the work of sensitivity to allergen in the work placeplace
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Diagnostic Procedures (9)Diagnostic Procedures (9)
6. Special diagnostic techniques6. Special diagnostic techniques Upper airway endoscopy / Upper airway endoscopy /
Rhinomanometry Rhinomanometry Standard radiographs Standard radiographs CT CT MRIMRI
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Diagnostic Procedures (10)Diagnostic Procedures (10)
7. Testing for specific Ig E,7. Testing for specific Ig E, important for :important for :
Determining whether patient Determining whether patient has allergic rhinitishas allergic rhinitis
Identifying specific allergen for Identifying specific allergen for avoidance measurement and avoidance measurement and allergen immunotherapyallergen immunotherapy
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Diagnostic Procedures (11)Diagnostic Procedures (11)
8. Skin testing to allergen :8. Skin testing to allergen : SimpleSimple EaseEase Rapid performanceRapid performance Low costLow cost High sensitivity / spesificityHigh sensitivity / spesificity ( Prick test )( Prick test )
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Allergy skin prick testingAllergy skin prick testing
Skin prick test :
positive result
wheal > 3mm diameter
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A R and other diseases A R and other diseases
Allergic Rhinitis
O M E
Nasal polyp
Sinusitis
U R T infection
Bronkhial
asthma
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Comorbidity AR and Comorbidity AR and SinusitisSinusitis
US : sinusitis 30 Mill / year (1989 )US : sinusitis 30 Mill / year (1989 ) sinusitis sinusitis : 25 – 30 % AR: 25 – 30 % AR non sinusitisnon sinusitis : 14 – 17 % AR: 14 – 17 % AR
SinusitisSinusitis ( dx CT ) Newman at all 1994 : ( dx CT ) Newman at all 1994 : AR AR : 78 %: 78 % AsthmaAsthma : 71 %: 71 %
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Differential diagnosis of RA Differential diagnosis of RA
Non – allergic rhinitis :Non – allergic rhinitis : Infectious :Infectious : bacterial, viral, fungal bacterial, viral, fungal Drug induced :Drug induced : aspirin & other medications aspirin & other medications Occupational rhinitisOccupational rhinitis (allergy & non allergy) (allergy & non allergy) Hormonal :Hormonal : puberty, pregnancy, menstruation puberty, pregnancy, menstruation and hormonal disordersand hormonal disorders Other causesOther causes : foods, irritants, emotions, : foods, irritants, emotions, NARES NARES Atrophic RhinitisAtrophic Rhinitis IdiopaticIdiopatic
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Management of AR Management of AR
Objectives : Objectives : relieving symptoms for relieving symptoms for
improving QOLimproving QOL to avoid triggering factor to avoid triggering factor to avoid / to treat complication to avoid / to treat complication to change the natural history to change the natural history
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Allergen elimination Allergen elimination
EDUCATIONEDUCATION Explain what is allergic rhinitis / reaction Explain what is allergic rhinitis / reaction Explain the meaning of pos. allergic skin Explain the meaning of pos. allergic skin
testtest Confirm whether there is correlation Confirm whether there is correlation
between allergen contact & rhinitis attackbetween allergen contact & rhinitis attack Explain how to do allergen avoidanceExplain how to do allergen avoidance Encourage to avoid the allergensEncourage to avoid the allergens
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Globally important allergens
mites
pollen
mites sources
weed cockroaches
pets : dogs
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• Pharmacological treatmentPharmacological treatment1.1. ANTIHISTAMINEANTIHISTAMINE
First lineFirst line Consider new antihistamine since :Consider new antihistamine since :
Long acting Long acting more practical more practical No sedating No sedating normal daily activity normal daily activity No / less cardiac effectNo / less cardiac effect Broad spectrum effectsBroad spectrum effects
Except :Except : Patient doesn’t mind sedation effectPatient doesn’t mind sedation effect It is not availableIt is not available Can not be affordedCan not be afforded Classic antihistamine can be consideredClassic antihistamine can be considered
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2. NASAL DECONGESTANT2. NASAL DECONGESTANT Indicated in patient with prominent Indicated in patient with prominent
nasal obstruction complaintnasal obstruction complaint As addition / combination with As addition / combination with
A HA H
Long term treatmentLong term treatment Systemic nasal decongestant, Systemic nasal decongestant,
be careful in hypertension cases be careful in hypertension cases and glaucoma.and glaucoma.
Topical : rebound effectTopical : rebound effect
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3. INTRANASAL CORTICOSTEROID3. INTRANASAL CORTICOSTEROID
Long term treatment safer than Long term treatment safer than systemic application systemic application
Effective to control AR symptomsEffective to control AR symptoms Note :Note :
Patients should be well informed how Patients should be well informed how to use to use
Symptoms relieve is not directly achieved Symptoms relieve is not directly achieved In some places it is unavailableIn some places it is unavailable
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• Allergen Specific Immunotherapy Allergen Specific Immunotherapy ( ASIT ) ( ASIT )
ASIT : effective for treating allergic rhinitisASIT : effective for treating allergic rhinitisRecommended in patients with :Recommended in patients with :
severe symptomssevere symptoms failed by pharmacological treatmentfailed by pharmacological treatment positive correlation skin test & historypositive correlation skin test & history agree & well informed about duration, agree & well informed about duration,
schedule of injection & expected schedule of injection & expected resultsresults
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Intermittent AR : Adults & childrenIs therapy needed ? If yes
Non-pharmacological therapyAllergen avoidance measure
Is pharmacotherapy needed ? If yes
Mild disease Moderate disease Severe disease
Oral/nasal AH or cromon
Nasal corticosteroids
Nasal CS & oral/ nasal AH
Add further symptomatic treatment
OrShort course oral CS
Or Consider IT
If inadequatecontrol
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Persistent AR : Adults Is therapy needed ? If yes
Non-pharmacological therapyAllergen avoidance measure
Environment control
Is pharmacotherapy needed ? If yes
Mild disease Moderate disease Severe disease
Oral/ nasal antihistamine
Nasal corticosteroids
Nasal CS & Oral antihistamine
If inadequatecontrol If resistent
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If resistent
Nasal blockageRhinorrhea
Antihistamine andOral / nasal
decongestantOr
Short course oral steroid
Nasal ipratropium bromide
If persistent
ConsiderImmunotherapy
If inadequate control
Further examination & consider immunotherapy
Or Surgical turbinate reduction
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Persistent AR : children
Is therapy needed ? If yesNon-pharmacological therapyAllergen avoidance measure
Environment controlIs pharmacotherapy needed ? If yes
If inadequate control
Oral/ nasal antihistmaines or nasal cromon
Nasal corticosteroids in adequate dosis
If inadequate control
Review diagnosis
Consider immunotherapy