Selection of patients for augmentation with pooled human alpha-1 antiprotease (alpha-1 antitrypsin)

AAT: alpha-1 antitrypsin (also known as alpha-1 antiprotease); IgA: immunoglobulin A; FEV₁: forced expiratory volume in one second; CT: computed tomography.
¶ For example, PI*ZZ or PI*Null.
Δ Patients with severe IgA deficiency (<7 mg/dL) are at increased risk of anaphylaxis. Refer to UpToDate topic reviews.