Related Experiment Video
Updated: Aug 16, 2026

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
Published on: October 1, 2019
The asthma clinical score and oxygen saturation
1Department of Paediatrics, Christchurch School of Medicine, New Zealand.
Insights
Clinical scores effectively estimate asthma severity in children over 3 years old. This study found a strong correlation between clinical scores and oxygen saturation levels in hospitalized pediatric asthma patients.
Area of Science:
- Pediatric Pulmonology
- Clinical Assessment Tools
- Respiratory Medicine
Background:
- Asthma is a common chronic respiratory disease in children.
- Accurate assessment of asthma severity is crucial for timely and effective treatment.
- Existing clinical scoring methods require validation for specific pediatric populations.
Purpose of the Study:
- To evaluate the utility of a clinical score in estimating asthma severity in children.
- To assess the correlation between a clinical asthma score and oxygen saturation levels measured by pulse oximetry.
- To determine the applicability of clinical scoring in pediatric patients during acute asthma exacerbations.
Main Methods:
- A cohort of 41 children aged 3 years and older admitted to the hospital for acute asthma attacks was studied.
- Clinical severity scores were assigned to each child upon admission.
- Oxygen saturation levels were measured using pulse oximetry concurrently with clinical scoring.
- Statistical analysis included calculating the correlation coefficient between the clinical score and oxygen saturation.
Main Results:
- A significant negative correlation (r = -0.76) was observed between the clinical asthma score and oxygen saturation levels.
- This indicates that as the clinical score increases (indicating greater severity), oxygen saturation tends to decrease.
- The findings suggest a strong inverse relationship between clinical assessment of asthma severity and objective physiological measurement.
Conclusions:
- Clinical scoring methods demonstrate potential value in assessing acute asthma severity in children over 3 years old.
- These methods may be particularly useful when children are receiving high-flow oxygen therapy, aiding in monitoring treatment response.
- Further research can explore refining these clinical tools for broader pediatric asthma management.
Abstract:
A clinical estimate of asthma severity using a clinical score and oxygen saturation measurements by pulse oximetry was carried out on a group of 41 children aged 3 years or older. The measurements were performed at the time of each child's admission to hospital with an acute asthma attack. The correlation coefficient (r) between the asthma score and the oxygen saturation was -0.76. For children older than 3 years, clinical scoring methods may have a place in the assessment of those with acute asthma, especially when they are receiving high flow oxygen treatment.
Related Concept Videos
Respiratory Assessment: Purpose and Indications
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
Asthma-II: Pathophysiology and Classification
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Asthma-III: Symptoms and Complications
Classification of Asthma
Asthma-IV: Diagnostic and Management
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Asthma III: Clinical Manifestations

