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IAP UG Teaching slides 2015-16
ACUTE RESPIRATORY INFECTIONS
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IAP UG Teaching slides 2015-16
INTRODUCTION
• Acute respiratory infections (ARI) are a major cause of
morbidity and mortality in young children world wide.
• Nearly 4 million children die every year due to ARI.
• ARI accounts for 30‐40% of the hospital visits by children in
office practice.
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IAP UG Teaching slides 2015-16
• Most young children worldwide have 4 to 8 episodes
of respiratory infections per year.
• Incidence of acute lower respiratory
infections(pneumonia) is very high in developing
countries.
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IAP UG Teaching slides 2015-16
DEFINITION
ARI comprise infection in any part of the respiratory
system (upper or lower) lasting less than 30 days
(for otitis media less, than 2 weeks).
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IAP UG Teaching slides 2015-16
CLASSIFICATION
A. Anatomical classification The site of infection may not be limited to one part of the respiratory tract
B. WHO classification /Clinical classification Identifying the few children having pneumonia among the many children with ARI
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ANATOMICAL CLASSIFICATION
AIClassified based on the site of infection
•Acute Upper Respiratory Infections (AURI)
• Acute Lower Respiratory Infections (ALRI)
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ACUTE UPPER RESPIRATORY TRACT INFECTION
• Nasopharyngitis
• Tonsillitis
• Sinusitis and
• Otitis media.
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ACUTE LOWER RESPIRATORY TRACT INFECTION
• Epiglottitis,• Laryngitis,• Laryngo Tracheobronchitis• Bronchitis• Bronchiolitis and• Pneumonia
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CLINICAL CLASSIFICATION
• No pneumonia: Cough or cold• Pneumonia• Severe pneumonia• Very severe pneumonia
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ETIOLOGICAL AGENTS
BacteriaStrep. PneumoniaeStaph. AureusH. Influenzae
VirusesRSV AdenovirusInfluenzaeParainfluenzaMeasles
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RISK FACTORS
• Malnutrition• Low birth weight• Not breast fed• Vitamin A deficiency• Indoor air pollution• Low socioeconomic status• Poor hygiene• Missing vaccines
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MODE OF TRANSMISSION
• Primarily by direct contact with discharges from respiratory mucous membranes of infected persons
• By the airborne route, probably by droplets • By indirect contact with articles freshly soiled with the discharges of infected persons.
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MANAGEMENT OF ARI
Assess‐‐‐‐‐‐‐Classify‐‐‐‐‐‐‐‐Identify treatment
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SIGNS Chest indrawing No chest indrawing and fast breathing +
No chest indrawing and no fast breathing
Classify as SEVERE PNEUMONIA PNEUMONIA NO PNEUMONIA: COUGH AND COLD
TREATMENT Refer urgently Give 1st dose of antibioticTreat fever and wheeze
Advise mother about home care and give an antibiotic,Treat fever and wheeze if present
If cough> 30 days, reassessmentAssess and treat ear pain or sore throat,Treat fever and wheeze
RE‐ASSESS IN 2 DAYS
SIGNS WORSENot able to drinkHas chest indrawingHas other danger signs
THE SAME IMPROVINGBreathing slowerLess feverEating better
TREATMENT Refer URGENTLY Change antibiotic or refer
Follow up in 5 days if not improving
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MANAGEMENT OF ARI (CONT)
• Antibiotics ‐ Penicillin, Ampicillin, Cotrimoxazole
• Supportive care
• Oxygen
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PREVENTIONDifficulties in preventing ARI are due to:
•Multiplicity of agents
•Periodic antigen changes especially among viruses
•Immunization against viruses may not offer effective resistance against infection of the surface mucosa of the respiratory tract.
•Air borne spread of the infection.
•Lack of specific treatment.
•The rapid change in the clinical picture of a child with ARI
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IAP UG Teaching slides 2015-16
NON SPECIFIC MEASURES
1‐ Improve socioeconomic condition.
2‐ Health education.
3‐ Decrease over crowding.
4‐ Improve nutrition.
5‐ Promote breast feeding.
6‐ Avoid exposure to indoor 1‐ air pollution
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IAP UG Teaching slides 2015-16
SPECIFIC MEASURES
•Immunization against measles, pertussis, diphtheria and tuberculosis
•Pneumococcal vaccine and influenza vaccine however both are not widely used•widely used.
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ISSUES FOR IMNCI
• Individualized treatment guidelines per country
• Training and supervision of 1st level health workers
• Changing family behavior regarding care of the sick
• Availability and effectiveness of essential drugs.
• Assess Classify Treatment
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ARI CONTROL PROGRAM
•As ARI being a significant problem, Govt has launched a nation wide ARI control program:
Its main objectives are:Early diagnosis and treatment of pneumonia
Its principal strategies are: •Prevention•Case finding and management
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POINTS TO REMEMBER
• Beware of serious conditions like measles, mumps and diphtheria which may begin as nasopharyngitis.
• Blood stained nasal discharge especially unilateral, may indicate conditions like diphtheria or foreign body (old) and hence needs ENT evaluation.
• Sinusitis, serous otitis media or acute lower respiratory infections are common complications following nasopharyngitis.
• Clinically viral pharyngotonsillitis may be difficult to differentiate from bacterial pharyngotonsillitis.
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THANK YOU
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