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Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration

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Alpha 1-antitrypsin serum levels in widespread bronchiectasis.

F A el-Kassimi¹, A S Warsy, A Uz-Zaman

¹Medical Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia.

Respiratory Medicine

|March 1, 1989

Summary

Higher serum alpha 1-antitrypsin (alpha 1-AT) levels were observed in bronchiectasis patients, potentially indicating an acute phase response to infection rather than alpha 1-AT deficiency. Further research is needed to confirm this finding.

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Area of Science:

Pulmonology
Genetics
Clinical Medicine

Background:

Alpha 1-antitrypsin (alpha 1-AT) deficiency is a known risk factor for emphysema.
Previous reports suggest a link between alpha 1-AT deficiency and bronchiectasis, but this association is debated due to confounding factors.
The role of alpha 1-AT in the pathogenesis of bronchiectasis remains unclear.

Purpose of the Study:

To investigate serum alpha 1-antitrypsin levels in patients with widespread bronchiectasis.
To explore the potential relationship between alpha 1-AT levels and bronchiectasis, contrasting with previous findings.

Main Methods:

Serum samples were collected from 35 patients diagnosed with widespread bronchiectasis.
Serum alpha 1-AT levels were measured and compared to those of healthy controls.

Main Results:

Patients with bronchiectasis exhibited significantly higher serum alpha 1-AT levels compared to healthy controls.
These findings contradict previous studies suggesting an association between alpha 1-AT deficiency and bronchiectasis.

Conclusions:

Elevated serum alpha 1-AT in bronchiectasis patients may represent a non-specific acute phase reactant response to bronchial infection.
Further investigation is required to determine if bronchiectasis can be a manifestation of alpha 1-AT deficiency, similar to emphysema.