Abstract:
INTRODUCTION:Peripheral artery disease (PAD) affects 8.5 million Americans and thus improving our understanding of PAD is critical to developing strategies to reduce disease burden. The objective of the study was to determine the association of ABO blood type with ankle brachial index (ABI) as well as prevalent and incident PAD in a multi-ethnic cohort. METHODS:The Multi-Ethnic Study of Atherosclerosis includes non-Hispanic White, African, Hispanic, and Chinese Americans aged 45-84. ABO blood type was estimated using ABO genotypes in 6027 participants who had ABI assessed at the baseline exam. Associations with ABO blood type were evaluated categorically and under an additive genetic model by number of major ABO alleles. After excluding those with ABI>1.4, prevalent PAD was defined as ABI≤0.9 at baseline and incident PAD as ABI≤0.9 for 5137 participants eligible for analysis. RESULTS:There were 222 prevalent cases and 239 incident cases of PAD. In African Americans, each additional copy of the A allele was associated with a 0.02 lower baseline ABI (p=0.006). Each copy of the A allele also corresponded to 1.57-fold greater odds of prevalent PAD (95% CI, 1.17-2.35; p=0.004), but was not associated with incident PAD. No associations were found in other racial/ethnic groups for ABI, prevalent PAD, or incident PAD across all races/ethnicities. CONCLUSIONS:Blood type A and the A allele count were significantly associated with baseline ABI and prevalent PAD in African Americans. Further research is needed to confirm and study the mechanisms of this association in African Americans.
journal_name
Thromb Resjournal_title
Thrombosis researchauthors
Pike MM,Larson NB,Wassel CL,Cohoon KP,Tsai MY,Pankow JS,Hanson NQ,Decker PA,Berardi C,Alexander KS,Cushman M,Zakai NA,Bielinski SJdoi
10.1016/j.thromres.2017.02.018subject
Has Abstractpub_date
2017-05-01 00:00:00pages
1-6eissn
0049-3848issn
1879-2472pii
S0049-3848(17)30053-1journal_volume
153pub_type
杂志文章abstract::A new method, based on the observation that leukocytes contain PGI2-synthetase activity, was used to measure the effect of pharmacological levels of sulphinpyrazone on the TXA2 and PGI2 production in whole blood. Four human volunteers took 400 mg sulphinpyrazone twice daily for 5 1/2 days. Blood was drawn before the s...
journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
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journal_title:Thrombosis research
pub_type: 杂志文章
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journal_title:Thrombosis research
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