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American Heart Association

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Final ID: MDP914

Prevalence and Risk Factors of Peripheral Artery Disease Identified by Multimodalities in Hispanics

Abstract Body (Do not enter title and authors here): Introduction: The prevalence of peripheral artery disease (PAD) has been assessed with the ankle-brachial index (ABI), but some studies have raised concerns about its sensitivity.

Aims: Using data from a community-based cohort study, the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), we estimated the prevalence of PAD in US Hispanics using the toe-brachial index (TBI), pulse volume recordings (PVR), continuous Doppler waveforms, and post-exercise ABI, in addition to resting ABI. We also explored the associations of known risk factors with PAD identified by these methods.

Methods: The HCHS/SOL sampled Hispanics/Latinos from four US regions (CA, IL, FL, and NY). During its third visit, participants aged ≥45 years were invited for a comprehensive evaluation of PAD. PAD was defined as having at least one of the following: 1) resting ABI ≤0.9; 2) post-exercise (heel-raise) drop in ABI ≥20% or drop in ankle blood pressure ≥30 mmHg; or 3) abnormality in at least two of TBI (≤0.6), PVR (mild or greater abnormality), and continuous Doppler waveforms (monophasic/nonpulsatile in either dorsalis pedis or posterior tibial artery or biphasic without good acceleration in both arteries). Certified technicians conducted the measurements using a vascular diagnostic instrument (the Unetixs MultiLab Series II). Major cardiovascular risk factors were measured according to the standard protocol in HCHS/SOL.

Results: Among 3,130 participants (mean age 62.9 years, 2121 female [67.8%]), the prevalence of PAD was 4.1% with only resting ABI ≤0.9 but 17.8% considering all modalities. The prevalence of PAD exceeded 22% in participants aged 65+ (Figure) and was similar between men and women. PAD prevalence was significantly higher in Cubans, Puerto Ricans, and Central Americans compared to Mexicans (Figure). The higher prevalence in these ethnic groups remained consistent even after adjusting for traditional risk factors. Among traditional risk factors, smoking, diabetes, and systolic blood pressure were robustly associated with the presence of PAD.

Conclusion: In this cohort of US Hispanics/Latinos, the prevalence of PAD is substantially higher when multiple modalities are used to detect PAD. Disparities in the prevalence of PAD across ethnic groups in Hispanics could not be explained by traditional risk factors and should be further investigated.
  • Salameh, Maya  ( Johns Hopkins University , Baltimore , Maryland , United States )
  • Gonzalez, Franklyn  ( CSCC - UNC Chapel Hill , Chapel Hill , North Carolina , United States )
  • Allison, Matthew  ( University of California San Diego , La Jolla , California , United States )
  • Kaplan, Robert  ( Albert Einstein College of Medicine , New York , New York , United States )
  • Matsushita, Kuni  ( Johns Hopkins University , Baltimore , Maryland , United States )
  • Liu, Hairong  ( Johns Hopkins University , Baltimore , Maryland , United States )
  • Ballew, Shoshana  ( New York University Langone Health , New York , New York , United States )
  • Martinez-amezcua, Pablo  ( Johns Hopkins University , Baltimore , Maryland , United States )
  • Schrack, Jennifer  ( Johns Hopkins University , Baltimore , Maryland , United States )
  • Garcia-bedoya, Olga  ( University of Illinois at Chicago , Chicago , Illinois , United States )
  • Talavera, Gregory  ( San Diego State University , Chula Vista , California , United States )
  • Daviglus, Martha  ( University of Illinois at Chicago , Chicago , Illinois , United States )
  • Sotres-alvarez, Daniela  ( UNC Chapel Hill , Chapel Hill , North Carolina , United States )
  • Author Disclosures:
    Maya Salameh: DO NOT have relevant financial relationships | Franklyn Gonzalez: DO NOT have relevant financial relationships | Matthew Allison: DO NOT have relevant financial relationships | Robert Kaplan: No Answer | Kuni Matsushita: DO have relevant financial relationships ; Consultant:RhythmX AI:Active (exists now) ; Research Funding (PI or named investigator):Resolve to Save Lives:Active (exists now) ; Other (please indicate in the box next to the company name):Fukuda Denshi:Past (completed) | Hairong Liu: DO NOT have relevant financial relationships | Shoshana Ballew: No Answer | Pablo Martinez-Amezcua: DO NOT have relevant financial relationships | Jennifer Schrack: No Answer | Olga Garcia-Bedoya: DO NOT have relevant financial relationships | Gregory Talavera: DO NOT have relevant financial relationships | Martha Daviglus: DO NOT have relevant financial relationships | Daniela Sotres-Alvarez: DO NOT have relevant financial relationships
Meeting Info:

Scientific Sessions 2024

2024

Chicago, Illinois

Session Info:

Of Life And Limb: Peripheral Artery Disease

Sunday, 11/17/2024 , 03:15PM - 04:30PM

Moderated Digital Poster Session

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