welcome to cpd - protiddhoniprotiddhoni.com/alamin/foreign body aspiration.pdf · welcome to cpd...
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![Page 1: Welcome to CPD - Protiddhoniprotiddhoni.com/AlAmin/Foreign body aspiration.pdf · Welcome to CPD Dr. Md. Al-Amin Mridha Registrar. Faculty of Paediatrics. ICMH, Dhaka. 16.08.2004](https://reader033.vdocuments.mx/reader033/viewer/2022042014/5e7393e857e19f63d50eb44a/html5/thumbnails/1.jpg)
Welcome to CPD
Dr. Md. Al-Amin MridhaRegistrar
Faculty of PaediatricsICMH, Dhaka.
16.08.2004
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Foreign Body Aspiration in Children
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FB Aspiration: Introduction
• Aspiration of FB is a major cause of morbidity and mortality in children
• It is a life-threatening emergency• Severe lung damage is a possibility• Perfect co-ordination among pediatrician,
radiologist, anesthetist and thoracic surgeon is essential for proper management
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FB Aspiration: Epidemiology
• Second leading cause of accidental death at home among children < 5 years
• Children of 6 months to 4 years are at risk• 80% of the children below 3 years• Male preponderance (M and F ratio 3:1)
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Types of FB aspirated (n=145)
• Peanut or other nuts 48%• Seed, husk, bean 20%• Plastic toys/ fragment 6%• Others 26%
Nuts and seeds account for 70% of FBs
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Anatomic site of FB aspiration (n=155)
90% of the FBs are spontaneously coughed out
In 80-90% cases the FB is lodged in bronchus and
in 10-20% cases FB is lodged in
larynx and trachea
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FB aspiration: PathophysiologyFeatures depends upon the anatomic site, size, nature of the FB and duration since the aspiration
• Changes in airflow• Inert objects may remain without producing an
infection• Local injury and inflammation• Pneumonia higher in nut aspiration (20% Vs
8%) than non-nut aspiration• Bronchiectasis in the long term
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FB inhalation: Modes of Presentations
• One third gives no history suggestive of aspiration
• One third gives H/O choking and coughing with FB in hand
• One third presents with complications- recurrent pneumonia/ bronchiectasis/ persistent atelectasis/ mediastinal shift/ pulmonary aspiration
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FB inhalation: Clinical features• A previously well toddler suddenly starts to
choke and cough while eating, playing with a toy or crawling on carpet
• Cough• Tachypnea• Stridor/ wheezing• Diminished breath sound • Localized wheezing
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CF according to site of obstruction
Site of obstruction Clinical features
Larynx Highly restless, cyanosis, severe respiratory distrdistress, stridor, croupy cough, dysphonia
Trachea As above and audible slap and palpable thud
Bronchus(check valve-69%)
Increasing respiratory distress, hyperresonantnote and reduced respiratory movements on theaffected side, diminished breath sound and VR(CXR-Obstructive emphysema)
Bronchus(stop valve-15%)
Leads to collapse, respiratory distress,diminished respiratory movements, trachealshift to the same side, impaired resonance,diminished breath sound and VR(CXR-Atelectesis)
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FB inhalation: Investigations
• Skiagram of the chest• Fluoroscopy-mediastinal shift• Forced expiration technique (FET)-CXR
taken during inspiration compared with that after forced expiration
• CT scan of chest• Fiberoptic bronchoscopy
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CXR findings in FBA
• Normal-80% of laryngotracheal and 28% of bronchial FB have normal CXR
• Obstructive emphysema-hallmark of FBA
• Bilateral hyperinflation in tracheal FB• Collapse• Pneumonitis• FB visible
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CXR : Obstructive Emphysema
Hallmark ofFB aspiration
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CXR- Visible FB
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CXR: after removal of FB
No obstructive emphysema
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Fluoroscopy in FB Aspiration
During inspirationheart shadow moves to obstructedsite
During expirationheart shadow moves far to normalsite
Heart shadownarrows
Heart shadowwidens
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FB aspiration: Diagnosis• High index of suspicion• Age of the child (6 mo to 4 years)• Child with small objects in hands• Sudden choking, coughing• A silent period afterwards (hours to weeks)• Recurrent cough, stridor, wheeze• CXR-obstructive emphysema/ atelectasis/
mediastinal shift/ bronchiectasis
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FB Aspiration: DD
• Recurrent pneumonia• Asthma• Bronchiectasis• Lung abscess• Atelectasis
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FB Aspiration: Complications
• Recurrent pneumonia• Atelectasis• Lung abscess• Bronchiectasis
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FB Aspiration: Emergency management
• Heimlich maneuver: abdominal thrust for patients older than 1 year
• Back blows and chest thrust for patients younger than 1 year
• Finger sweeps of the oropharynx• Mouth to mouth resuscitation• Transportation to hospital facility
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Removing FB in older child (conscious) : Heimlich maneuver
Abdominal thrust for patients (conscious)older than 1 year
Rescuer
Victim
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Removing FB in older child (unconscious): Heimlich maneuver
Abdominal thrust with victim lying(unconscious)
Rescuer
Victim
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Removing FB in infants: Back blows and chest thrusts
•Infant held with head down•Back blows4 blows with the heel of hand over the inter-scapular region
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Removing FB in infants: Back blows and chest thrusts
•Turn the child• Chest thrusts4 thrusts as given in cardiac compression
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FB Aspiration: Hospital management
• Rigid bronchoscopy by a thoracic surgeon/ pediatric otolaryngologist under anesthesia to remove FB
• Tracheotomy• Thoracotomy
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FB Aspiration: Prevention
• Constant supervision• should not be given peanut, bengal gram, coins,
tablets, small candies• Toddlers with food in their mouth should not
be encouraged to laugh or cry• Younger children should not be allowed to play
with a small toys. • Repeat CXR to ascertain that there are no
pneumothoax , atelectasis, bronchiectasis
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