Abstract
The characteristics of coronary stenosis vary among the different countries or areas. 11,267 patients who have undergone coronary angiography (CAG) from three Southwest China hospitals were investigated. Patient characteristics, coronary stenosis and stent-implant information were recorded and analyzed according to two criteria: “visible stenosis” and “≥ 50% stenosis”. The patients who have undergone CAG increased year by year, with patients from 60 to 69 years-old taking the highest ratio (34.69%). Based on the “≥ 50% stenosis” criteria, the stenotic frequency was 40.54% for Southwest China patients getting CAG. Only 8.14% patients suffered ≥ 3 stenotic vessels, while 11.58 and 20.82% patients had 2 or 1 stenotic vessel, respectively. However, when using the “visible stenosis” criteria, the stenotic frequency increased to 64.68%. The prevalence of stenosis increased with age based on the “visible stenosis” criteria. There were more male patients with stenosis than female except patients over 80 years old. The stenosis affected almost all main coronary arteries and their branches, with the most affected artery being the left anterior descending artery. There were 3246 cases (28.8%) implanted with 5423 stents with a concurrent age-dependent increasing tendency for stent-implant frequency and average implanted stent number. The numbers of patients who have undergone CAG and suffered from CVD increased rapidly. In these patients, positive rate of CAG was 64.67%, which increased to 72.2% in patients over 60-years old. The incidence of ≥ 75% stenosis and multiple stenosis increased with age, however it should be noticed there were 18.93% for ≥ 75% stenosis and 19.52% for multiple stenosis in patients under 40 years old.
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This study was funded by National Nature Science Foundation of China (81570312).
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Yin, Z., Zeng, C., Zhang, X. et al. The characteristics of coronary stenosis in 11,267 patients from Southwest China: a retrospective study. J Thromb Thrombolysis 45, 142–150 (2018). https://doi.org/10.1007/s11239-017-1568-z
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DOI: https://doi.org/10.1007/s11239-017-1568-z