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Characterization of Peripheral Artery Disease and Associations with Traditional Risk Factors, Mobility, and Biomarkers in the Project Baseline Health Study.
Characterization of Peripheral Artery Disease and Associations with Traditional Risk Factors, Mobility, and Biomarkers in the Project Baseline Health Study. American heart journal Kercheval, J. B., Narcisse, D. I., Nguyen, M., Rao, S. V., Gutierrez, J. A., Leeper, N. J., Maron, D. J., Rodriguez, F., Hernandez, A. F., Mahaffey, K. W., Shah, S. H., Swaminathan, R. V. 2024Abstract
There is a dearth of research on immunophenotyping in peripheral artery disease (PAD). This study aimed to describe the baseline characteristics, immunophenotypic profile, and quality of life (QoL) of participants with PAD in the Project Baseline Health Study (PBHS).The PBHS study is a prospective, multi-center, longitudinal cohort study that collected clinical, molecular, and biometric data from participants recruited between 2017 and 2018. In this analysis, baseline demographic, clinical, mobility, QoL, and flow cytometry data were stratified by the presence of PAD (ankle brachial index [ABI] =0.90).Of 2,209 participants, 58 (2.6%) had lower-extremity PAD, and only 2 (3.4%) had pre-existing PAD diagnosed prior to enrollment. Comorbid smoking (29.3% vs. 14%, p<0.001), hypertension (54% vs. 30%, p<0.001), diabetes (25% vs. 14%, p=0.031), and at least moderate coronary calcifications (Agatston score >100: 32% vs. 17%, p=0.01) were significantly higher in participants with PAD than in those with normal ABIs, as were high-sensitivity C-reactive protein levels (5.86 vs. 2.83, p<0.001). After adjusting for demographic and risk factors, participants with PAD had significantly fewer circulating CD56-high natural killer cells, IgM+ memory B cells, and CD10/CD27 double-positive B cells (p<0.05 for all).This study reinforces existing evidence that a large proportion of PAD without claudication may be underdiagnosed, particularly in female and Black or African American participants. We describe a novel immunophenotypic profile of participants with PAD that could represent a potential future screening or diagnostic tool to facilitate earlier diagnosis of PAD.NCT03154346, https://clinicaltrials.gov/ct2/show/NCT03154346.
View details for DOI 10.1016/j.ahj.2024.06.010
View details for PubMedID 38969081