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Updated: Oct 25, 2025

Mouse Model of Oleic Acid-Induced Acute Respiratory Distress Syndrome
Published on: June 2, 2022
[Alpha-1-antitrypsin deficiency]
Jesper Dichmann de Vos, Ole Hillberg1, Michael Perch
1ole.hilberg@rsyd.dk.
Insights
Alpha-1-antitrypsin deficiency (A1AD) is a rare genetic condition affecting adults, particularly smokers. Early diagnosis and interventions like smoking cessation and A1AT augmentation therapy improve outcomes.
Area of Science:
- Pulmonology and Genetics
Background:
- Alpha-1-antitrypsin deficiency (A1AD) is an inherited disorder impacting lung and liver health.
- It significantly affects quality of life and longevity, especially in smokers.
- Early diagnosis is critical for effective management and improved patient outcomes.
Purpose of the Study:
- To review the clinical impact of A1AD in adults.
- To highlight the importance of early diagnosis and referral criteria.
- To outline current and emerging treatment options for A1AD.
Main Methods:
- Literature review focusing on A1AD diagnosis, clinical presentation, and management.
- Analysis of current treatment guidelines and recent therapeutic advancements.
Main Results:
- A1AD presents significant risks, particularly for smokers, impacting pulmonary and hepatic health.
- Key referral indicators include early-onset COPD/emphysema, family history of A1AD, or unexplained liver cirrhosis.
- Standard care involves smoking cessation, pulmonary rehabilitation, and inhaled medications.
Conclusions:
- Prompt identification of A1AD is essential for mitigating disease progression.
- Smoking cessation remains the cornerstone of A1AD management.
- Augmentation therapy with alpha-1-antitrypsin is a viable treatment option following its recent approval.
Abstract:
The subject of this review is alpha-1-antitrypsin deficiency (A1AD), which is a rare hereditary disease with great impact in adults, especially smokers, quality of life and longevity. Early diagnosis is crucial for treatment outcome. The primary care physician should refer patients younger than 50-years-old with COPD or emphysema, familiar accumulation of A1AD or liver cirrhosis of unknown cause. Most important treatment is smoking cessation, pulmonary rehabilitation and inhaled medication according to current guidelines. Substitution treatment with alpha-1-antitrypsin is now an option after its approval by the Danish medical council in January 2020.
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