International journal of cardiology · 2019
Accumulation of coronary risk factors is associated with progression of mitral annular calcification in patients undergoing dialysis therapy: A long-term follow-up study.
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Usuku Hiroki, Yamamoto Eiichiro, Arima Yuichiro, Takashio Seiji, Araki Satoshi, Sueta Daisuke, Kanazawa Hisanori, Suzuki Satoru, Yoshimura Hiromi, Tsunoda Ryusuke, Nishigami Kazuhiro, Uekihara Soichi, Sakamoto Kenji, Kawano Hiroaki, Kaikita Koichi, Matsui Hirotaka, Tsujita Kenichi
Аннотация
BACKGROUND: In patients undergoing dialysis therapy, mitral annular calcification (MAC) is a powerful predictor of cardiovascular events and all-cause mortality. However, there is little data on predictors for MAC progression in patients undergoing dialysis therapy.
METHODS AND RESULTS: We retrospectively analyzed 98 hemodialysis-dependent patients in Japanese Red Cross Kumamoto Hospital who underwent routine transthoracic echocardiography (TTE) in 2017. Three patients with history of surgical valve replacement or severe valvular heart diseases were excluded. In the 95 enrolled patients, MAC was detected by TTE in 28 patients (29%). A multivariate logistic regression analysis revealed that duration of hemodialysis therapy was independently associated with presence of MAC (odds ratio [OR]: 1.09; 95% confidence interval [CI]: 1.02-1.16; p < 0.01). Among the 95 patients, 72 patients also underwent routine TTE 5 years previously in 2012. In these patients, progression of MAC from 2012 to 2017 was observed in 11 patients (15%). A multivariate logistic regression analysis revealed that number of coronary risk factors (OR: 2.67; 95% CI: 1.24-5.76; p = 0.01), baseline MAC diameter (OR: 1.23; 95% CI: 1.05-1.45; p = 0.01), and left atrial diameter (OR: 0.81; 95% CI: 0.68-0.95; p = 0.01) were significantly associated with progression of MAC.
CONCLUSIONS: Accumulation of coronary risk factors was associated with progression of MAC in patients undergoing dialysis. Management of coronary risk factors may be important for inhibition of MAC progression.
METHODS AND RESULTS: We retrospectively analyzed 98 hemodialysis-dependent patients in Japanese Red Cross Kumamoto Hospital who underwent routine transthoracic echocardiography (TTE) in 2017. Three patients with history of surgical valve replacement or severe valvular heart diseases were excluded. In the 95 enrolled patients, MAC was detected by TTE in 28 patients (29%). A multivariate logistic regression analysis revealed that duration of hemodialysis therapy was independently associated with presence of MAC (odds ratio [OR]: 1.09; 95% confidence interval [CI]: 1.02-1.16; p < 0.01). Among the 95 patients, 72 patients also underwent routine TTE 5 years previously in 2012. In these patients, progression of MAC from 2012 to 2017 was observed in 11 patients (15%). A multivariate logistic regression analysis revealed that number of coronary risk factors (OR: 2.67; 95% CI: 1.24-5.76; p = 0.01), baseline MAC diameter (OR: 1.23; 95% CI: 1.05-1.45; p = 0.01), and left atrial diameter (OR: 0.81; 95% CI: 0.68-0.95; p = 0.01) were significantly associated with progression of MAC.
CONCLUSIONS: Accumulation of coronary risk factors was associated with progression of MAC in patients undergoing dialysis. Management of coronary risk factors may be important for inhibition of MAC progression.