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Related Experiment Video

Updated: Jun 19, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury

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[Common variable immunodeficiency. Prognostic factors for lung damage].

Anna Sala Cunill¹, Pere Soler-Palacín, Carlos Martín De Vicente

¹Sección de Alergia, Hospital Universitari Vall d'Hebron, Barcelona, España.

Medicina Clinica

|October 9, 2009

Summary

Delayed diagnosis in Common Variable Immunodeficiency (CVID) is linked to increased lung damage. Evaluating memory B cells (MB) is recommended for CVID patients to assess lung health.

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Area of Science:

Immunology
Pediatric Pulmonology
Clinical Medicine

Context:

Common Variable Immunodeficiency (CVID) is a primary immunodeficiency affecting prognosis, with lung damage being a key factor.
Pediatric CVID patients often experience significant diagnostic delays, impacting long-term outcomes.
Understanding the relationship between immune cell phenotypes, immunoglobulin levels, and lung pathology is crucial for CVID management.

Purpose:

To describe lung damage in pediatric CVID patients.
To investigate the association between memory B cell (MB) phenotype, immunoglobulin G (IgG) levels at diagnosis, and diagnostic delay with lung damage.
To assess the prevalence of allergy and autoimmune phenomena in this cohort.

Summary:

A cross-sectional study of 17 pediatric CVID patients revealed bronchiectasis in five.
Diagnostic delays exceeding five years were significantly associated with more severe lung damage.
While a trend was observed, MB cell phenotype and low IgG levels at diagnosis did not reach statistical significance in relation to lung damage severity. Allergy and autoimmune phenomena were not more prevalent.

Impact:

Late diagnosis in CVID patients is directly correlated with increased lung damage, highlighting the importance of timely intervention.
The study suggests incorporating MB cell analysis into the routine evaluation of CVID patients to better understand and predict lung complications.
Findings underscore the need for earlier CVID diagnosis and management strategies to mitigate irreversible lung damage in pediatric populations.