Alpha-1-antitrypsin deficiency alleles are not associated with cervical artery dissections.
case_control · Level III
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Abstract
The authors searched for the presence of alpha-1-antitrypsin (AAT) deficiency alleles PiZ and PiS in 74 patients with spontaneous cervical artery dissections (sCADs) and in 74 healthy control subjects. In both groups, the authors found four carriers of deficiency alleles. The connective tissue morphology of one additional patient with sCAD with PiZM genotype and her relatives was studied in skin biopsies. The PiZ allele did not segregate with morphologic alterations of the dermal connective tissue in the family. Therefore, AAT deficiency alleles may not play a role in the etiology of sCAD.
Medical subject headings
- Carotid Artery, Internal, Dissection
- Gene Frequency
- Vertebral Artery Dissection
- alpha 1-Antitrypsin Deficiency