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Childhood Respiratory Conditions: Lower Respiratory Tract Infection
1Division of Hospital Medicine in the Department of Pediatrics at University of Arizona College of Medicine, 1501 N. Campbell Ave, Tucson, AZ 85724.
Insights
Bronchiolitis and pneumonia are common pediatric respiratory infections. Diagnosis is clinical; supportive care is key, with specific antibiotic guidance for pneumonia in older children.
Area of Science:
- Pediatrics
- Infectious Diseases
- Respiratory Medicine
Background:
- Bronchiolitis and pneumonia are common lower respiratory tract infections in infants and young children.
- Respiratory syncytial virus is a primary cause of bronchiolitis.
- Viral and bacterial pathogens cause pneumonia in this age group.
Purpose of the Study:
- To outline the clinical diagnosis and management of bronchiolitis and pneumonia in children.
- To differentiate appropriate diagnostic testing and treatment strategies based on age and suspected etiology.
Main Methods:
- Clinical diagnosis based on history and physical examination for both conditions.
- Supportive care including nasal suctioning, oxygen, and hydration for bronchiolitis.
- Antibiotic recommendations vary for pneumonia based on age, immunization status, and suspected pathogen.
Main Results:
- Bronchiolitis diagnosis is clinical; routine imaging and lab tests are not recommended.
- Bronchiolitis management is supportive; bronchodilators and corticosteroids are not recommended for children 1-23 months.
- Pneumonia diagnosis is clinical; imaging and blood cultures are not required for outpatients.
- Antibiotics are generally not needed for preschool-aged children with pneumonia; specific recommendations exist for older children with bacterial or atypical pneumonia.
Conclusions:
- Clinical assessment is sufficient for diagnosing bronchiolitis and most childhood pneumonia.
- Supportive care is the mainstay for bronchiolitis management.
- Antibiotic stewardship is important for pneumonia, with targeted use in specific pediatric populations.
Abstract:
Bronchiolitis, a lower respiratory tract infection, commonly affects infants and children younger than 2 years. Respiratory syncytial virus is the most common cause. Nasal congestion, rhinorrhea, and mild fever occur in the first 1 to 3 days. Symptoms worsen for several days to include wheezing and other lower respiratory tract signs, and then resolve over days to weeks. However, some children develop hypoxemia and/or respiratory distress and require hospitalization. The diagnosis is clinical, based on the history and physical examination findings. Routine chest x-rays and blood tests are not recommended. Management is supportive, including nasal suctioning, oxygen (in cases of hypoxemia), and hydration. Use of bronchodilators (ie, albuterol, epinephrine) and systemic corticosteroids is not recommended in infants and children ages 1 to 23 months. Pneumonia, another common infection in infants and children, typically is caused by viruses or bacteria. The diagnosis is clinical, and chest x-rays and blood cultures are not required for patients well enough to be treated as outpatients. Antibiotics are not routinely required for preschool-aged children (ie, younger than 5 years) with pneumonia because most have viral infections. For immunized school-aged children with mild to moderate pneumonia suspected to be of bacterial origin, amoxicillin is recommended. In school-aged children, if atypical pathogens (eg, Mycoplasma) are suspected, a macrolide antibiotic should be prescribed.
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