Bronchiolitis. Origins and optimal management

M L Everard1

  • 1Sheffield Children's Hospital, England.

Drugs
|June 1, 1995
PubMed

Insights

Acute bronchiolitis, primarily caused by respiratory syncytial virus, continues to challenge infant health. Improved supportive care has reduced mortality, but effective vaccines and treatments remain elusive.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Virology

Background:

  • Acute bronchiolitis causes significant infant morbidity, posing a threat to infants with underlying health conditions.
  • Respiratory syncytial virus (RSV) is the primary cause, with incomplete understanding of viral-host interactions hindering vaccine development.
  • Current treatments for acute bronchiolitis have seen little change in over 30 years.

Purpose of the Study:

  • To review the current state of acute bronchiolitis management and prevention.
  • To highlight challenges in vaccine development and novel therapy efficacy.
  • To emphasize the importance of supportive care and infection control.

Main Methods:

  • Literature review of acute bronchiolitis epidemiology, treatment, and prevention.
  • Analysis of current management strategies including supportive care and monitoring.
  • Assessment of the role of antiviral agents and novel therapies.

Main Results:

  • Mortality in at-risk infants has decreased due to improved intensive and supportive care.
  • The efficacy of antiviral ribavirin is unclear, and other novel therapies have not altered the disease's natural course.
  • Strict adherence to infection control measures is the only current effective preventive intervention.

Conclusions:

  • Acute bronchiolitis remains a significant pediatric challenge with no immediate vaccine prospects.
  • Supportive care and intensive management have improved outcomes, but effective treatments are lacking.
  • Preventing nosocomial infections is crucial for managing this widespread infant illness.

Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
Pneumonia IV: Management01:28

Pneumonia IV: Management

The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
Pneumonia V: Nursing management and Prevention01:30

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed.
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...