Singh, Tejas, Velu, Ramesh B., Quigley, Frank, and Golledge, Jonathan (2022) Association of chronic venous disease with major adverse cardiovascular events. Journal of Vascular Surgery: Venous and Lymphatic Disorders, 10 (3). pp. 683-688.

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Abstract

Objective: The aim of the present study was to examine whether severe chronic venous disease (CVD) is associated with a greater risk of major adverse cardiovascular events (MACE) compared with mild CVD.

Methods: Participants with CVD were prospectively recruited from outpatient vascular departments at two hospitals in North Queensland, Australia. CVD severity was ascertained by vascular specialists using the CEAP (clinical, etiologic, anatomic, pathophysiologic) classification. MACE, defined as myocardial infarction, stroke, or cardiovascular death, were identified from the outpatient follow-up and linked medical records. Kaplan-Meier and Cox proportional hazard analyses were used to examine the association of CVD severity with the occurrence of MACE. A subanalysis was performed in which participants with CEAP C5 and C6 (severe CVD) were compared with those with CEAP C2 to C4 (mild CVD).

Results: A total of 774 participants were included and followed up for a median of 3.09 years (interquartile range, 1.09-8.14 years). The participants with C6 CVD (n = 69) had a threefold greater risk of MACE (hazard ratio, 3.03; 95% confidence interval, 1.02-9.03; P = .046) compared with those with C2 CVD (n = 326) after adjusting for other risk factors. Participants with severe CVD had an increased risk of MACE compared with those with mild CVD (adjusted hazard ratio, 2.37; 95% confidence interval, 1.12-5.04; P = .024).

Conclusions: Individuals with severe CVD have an increased risk of MACE compared with those with mild CVD, independently of traditional risk factors. Further research is required to clarify the cause of the excess risk.

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