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- W2765431721 abstract "Objective: Patients with peripheral arterial disease (PAD) have increased risk on future cerebro- and cardiovascular events. Our aim was to examine whether carotid artery reactivity (CAR; a novel, simple procedure to examine endothelial function) predicts cardiovascular events in PAD patients. Background: Increased risk for future cardiovascular events in PAD patients is likely related to endothelial dysfunction, highlighting the necessity for simple assessment of endothelial function. Methods: A total of 172 PAD patients (68 ± 10 years, 67% male) underwent the CAR, which involves ultrasound measurement of carotid artery diameter during sympathetic stimulation produced by 90-second hand immersion in 4°C ice-water (ie, cold pressor test). CAR-responses were dichotomized into carotid constriction or dilation. We recorded cardiac and cerebrovascular events, mortality, and clinical progression to percutaneous transluminal angioplasty or loss of patency during 12-month follow-up. Results: Eighty-two PAD patients demonstrated carotid constriction and 90 patients demonstrated dilation. PAD patients with carotid constriction showed more cardiovascular events compared to patients with dilation (Kaplan-Meier Log rank; P < 0.05). Cox proportional hazard models showed that patients with carotid constriction continued to show higher risk for cardiovascular events [hazard ratio: 4.1; 95% confidence interval (CI), 1.3–12.5] and clinical progression (hazard ratio: 2.0; 95% CI, 1.2–3.3), even after adjustment for other risk factors. Ankle brachial pressure index and carotid intima-medial thickness alone did not predict (cardiovascular) event or improve risk assessment beyond that provided by CAR. Conclusion: Carotid vasoconstriction identifies PAD patients with a 4-fold increased risk for future cardiovascular events and 2-fold increased risk for clinical deterioration. CAR provides a simple, novel strategy to predict cardiovascular events and progression in PAD patients. Clinical Trial Registration: www.trialregister.nl/trialreg/index.asp, NTR-4117." @default.
- W2765431721 created "2017-11-10" @default.
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- W2765431721 date "2019-04-01" @default.
- W2765431721 modified "2023-09-25" @default.
- W2765431721 title "Carotid Artery Reactivity Predicts Events in Peripheral Arterial Disease Patients" @default.
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- W2765431721 doi "https://doi.org/10.1097/sla.0000000000002558" @default.
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