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Clinical Correlates and Heritability of Flow-Mediated Dilation in the Community: The Framingham Heart Study

Open access
Benjamin, Emelia J., Larson, Martin G., Keyes, Michelle J., Mitchell, Gary F., Vasan, Ramachandran S., Keaney, John F., Lehman, Birgitta T., Fan, Shuxia, Osypiuk, Ewa, Vita, Joseph A.·2004·Circulation

Abstract

Background— Studies in selected samples have linked impaired endothelial function with cardiovascular disease and its risk factors. The clinical correlates and heritability of endothelial function in the community have not been described. Methods and Results— We examined a measure of endothelial function, brachial artery flow-mediated dilation (FMD), expressed as both percent (FMD%) and actual dilation by ultrasound with the occlusion cuff below the elbow in 2883 Framingham Study participants (52.9% women; mean age, 61 years). A subset of 1096 participants performed a 6-minute walk test before FMD determination. Mean FMD% was 3.3±3.0% in women and 2.4±2.4% in men. In stepwise multivariable linear regression models, FMD% was inversely related to age, systolic blood pressure, body mass index (BMI), lipid-lowering medication, and smoking, whereas it was positively related to female gender, heart rate, and prior walk test. The estimated heritability of FMD% was 0.14. FMD actual dilation findings were similar, except that female sex and BMI were not significantly associated. Conclusions— Increasing age, systolic blood pressure, BMI, and smoking were associated with lower FMD% in our community-based sample, whereas prior exercise and increasing heart rate were associated with higher FMD%. The estimated heritability of FMD was modest. Future research will permit more complete characterization of the genetic and environmental determinants of endothelial function and its prognostic value in the community.

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Crossref · 10.1161/01.cir.0000112565.60887.1e

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Metadata

Authors
Benjamin, E. J., Larson, M. G., Keyes, M. J., Mitchell, G. F., Vasan, R. S., Keaney, J. F., Lehman, B. T., Fan, S., Osypiuk, E., & Vita, J. A.
Venue
Circulation
Published
2004-02-10
Volume
109
Issue
5
Pages
613-619
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W1996385661
Cited by
607
References
37
FWCI
19.62
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Clinical Correlates and Heritability of Flow-Mediated Dilation in the Community: The Framingham Heart Study. https://app.cochat.ai/papers/10.1161/01.cir.0000112565.60887.1e
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Benjamin, E. J., Larson, M. G., Keyes, M. J., Mitchell, G. F., Vasan, R. S., Keaney, J. F., Lehman, B. T., Fan, S., Osypiuk, E., & Vita, J. A. (2004). Clinical Correlates and Heritability of Flow-Mediated Dilation in the Community: The Framingham Heart Study. Circulation. https://doi.org/10.1161/01.cir.0000112565.60887.1e

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