Effects of Cilnidipine, an L/N-Type Calcium Channel Blocker, on Carotid Atherosclerosis in Japanese Post-Stroke Hypertensive Patients: Results from the CA-ATTEND Study

Overview

Journal J Atheroscler Thromb

Date 2017 Dec 12

PMID 29225324

Citations 4

Authors

Tomohisa Nezu

Naohisa Hosomi

Shiro Aoki

Noriyuki Suzuki

Tsukasa Teshima

Hitoshi Sugii

Shinobu Nagahama

Yoshiki Kurose

Hirofumi Maruyama

Masayasu Matsumoto

Affiliations

Soon will be listed here.

Abstract

Aims: Although several antihypertensive agents reduced the carotid intima-media thickness (IMT), it remains unclear whether those agents affect the interadventitial diameter (IAD). We aimed to examine whether cilnidipine, an L/N-type calcium channel blocker, reduced the common carotid IMT or IAD in post-stroke hypertensive patients.

Methods: The common carotid IMT and IAD were measured at the start of cilnidipine treatment and 12 months from that. The changes in the mean max-IMT or IAD between baseline and the 12-month follow-up were evaluated and compared between the thick group (max-IMT ≥1.1 mm) and the normal group (max-IMT ＜1.1 mm).

Results: A total of 603 post-stroke hypertensive subjects (mean age=69.3 yr, 378 males) were included in the analysis. At baseline, IAD was increased stepwise according to the value of max-IMT (p for trend ＜0.001). Among them, 326 subjects were followed up for 12 months. The mean max-IMT from baseline to 12 months did not change in the normal group (－0.01 mm, 95% confidence interval [CI] －0.03 to 0.01, n=170), whereas a significant reduction was observed in the thick group (－0.09 mm, 95% CI －0.13 to －0.05, n=156). The mean IAD was significantly reduced during the study period in the normal group (－0.14 mm, 95% CI －0.22 to －0.05) as well as in the thick group (－0.12 mm, 95% CI －0.21 to －0.03).

Conclusions: Cilnidipine promoted the regression of common carotid IMT in post-stroke hypertensive patients, especially in the thick group. Cilnidipine also reduced the IAD in both normal and thick groups.

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