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. 2017 Jan 7;17(1):18.
doi: 10.1186/s12872-016-0458-1.

Trend in young coronary artery disease in China from 2010 to 2014: a retrospective study of young patients ≤ 45

Xin Wang  1   2 , Ming Gao  3   4 , Shanshan Zhou  3 , Jinwen Wang  3   5 , Fang Liu  3   6 , Feng Tian  3 , Jing Jin  3 , Qiang Ma  3 , Xiaodi Xue  3 , Jie Liu  3 , Yuqi Liu  7 , Yundai Chen  8
Affiliations

Trend in young coronary artery disease in China from 2010 to 2014: a retrospective study of young patients ≤ 45

Xin Wang et al. BMC Cardiovasc Disord. .

Abstract

Background: The incidence of young coronary heart disease (CHD, ≤45 years) in China is increasing. Secondary prevention to counter this trend is an important contemporary public health issure.

Methods: A total of 5288 patients (≤45 years) diagnosed with CHD and hospitalized at the Chinese PLA General Hospital and Anzhen Hospital, both in Beijing, were enrolled after satisfying the inclusion criteria.

Results: Young CHD patients increased in number from 2010 to 2014, especially men. Among the studied patients, there was no significant change over those years in blood pressure, but heart rate increased significantly (P < 0.05) and body mass index showed a rising trend (P > 0.05). The incidence of hypertension increased from 40.7 to 47.5%, diabetes from 20.3 to 26.1%, and hyperlipidemia from 27.3 to 35.7% (P < 0.05). However, the incidences of smoking and drinking both trended downward (P < 0.05). The levels of total cholesterol and triglycerides also showed a downward trend (P < 0.05), as did levels of low-density lipoprotein, but not to the point of statistical significance (P > 0.05). Mortality during hospitalization decreased significantly from 2010 to 2014 (P < 0.05), but there was no significant improvement in the incidences of cardiac death and major adverse cardiovascular events (MACE) after 1-year follow-up (P > 0.05).

Conclusions: Over the 5 years studied, the overall incidence of cardiac death and MACE for young CHD patients (≤45 years) has shown little improvement. Secondary prevention of young CHD, and its risk factors, as well as appropriate courses of medical treatment must be further elucidated.

Keywords: Coronary heart disease; Prevention; Prognosis; Risk factors; Young.

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Figures

Fig. 1
Fig. 1
Composition changes of coronary heart disease during the past 5 years from 2010 to 2014. 1: stable angina; 2: unstable angina; 3: non-ST segment elevation myocardial infarction (NSTEMI); 4: ST segment elevation myocardial infarction (STEMI); 5: Ischemic cardiomyopathy. The rate of stable angina pectoris and STEMI increased, while the NSTEMI decreased (P < 0.05)
Fig. 2
Fig. 2
Change of medical use during hospitalization in2010–2014. Usage of aspirin, clopidogrel, ticagrelor, statins, and ß-blockers increased overall (P < 0.05)
See this image and copyright information in PMC

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