Why the study?
Mitral annular calcification is associated with atherosclerotic cardiovascular diseases, but arterial stiffness using the cardio-ankle vascular index had not been evaluated in these patients.
Is mitral annular calcification associated with increased arterial stiffness as measured by Cardio-Ankle Vascular Index (CAVI)?
Is mitral annular calcification associated with increased arterial stiffness as measured by Cardio-Ankle Vascular Index (CAVI)?
Mitral annular calcification is associated with increased arterial stiffness as measured by CAVI, with stiffness increasing alongside calcification severity.
MAC severity was associated with higher CAVI; leaves open whether stiffness predicts progression or guides intervention.
Objective: Arterial stiffness is related to arteriolosclerotic diseases and is a marker of adverse cardiovascular events. Mitral annular calcification (MAC) is progressive calcium deposition on the posterior and inferior mitral annulus and is associated with atherosclerotic cardiovascular diseases. Cardio-ankle vascular index (CAVI) is a measurement technique used to estimate the degree of arterial stiffness without effect from blood pressure. The aim of this study is to research arterial stiffness using CAVI in patients with MAC. Materials and Methods: The study was cross-sectional and observational and included 98 patients with MAC confirmed by echocardiography who referred to the cardiology clinics and met study inclusion criteria and 38 controls without MAC. CAVI measurements were obtained by using the Vascular Screening System VaSera VS-1000 (Fukuda Denshi, Tokyo, Japan) device. Results: The two groups were similar in terms of demographic characteristics, including age, sex, hypertension, coronary artery disease, body surface area, and smoking (P > .05). Left atrial volume index was significantly higher in patients with MAC compared with the control group (P < .001). Right arm CAVI, left arm CAVI, and mean CAVI were significantly higher in the MAC group than the control group (P = .037, P = .005, and P = .014, respectively) and increased with MAC severity. There was a significant positive correlation between mean CAVI and MAC grade (r = 0.278, P = .001). Also, when ankle-brachial index (ABI) was measured with CAVI, left and right extremity ABI values were significantly lower in patients with MAC (P = .017 and P = .005, respectively). Conclusion: CAVI increased in all patients with MAC and associated with increasing grade of calcification.
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Boyacı et al. (2021) studied this question.
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