Chun-guang Qiu

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OBJECTIVES The present study established criteria to differentiate simple from complex bifurcation lesions and compared 1-year outcomes stratified by lesion complexity after provisional stenting (PS) and 2-stent techniques using drug-eluting stents. BACKGROUND Currently, no criterion can distinguish between simple and complex coronary bifurcation lesions.(More)
OBJECTIVES The present study aimed to investigate the association between periprocedural myocardial infarction (PMI), defined by creatine kinase (CK)-MB or troponin I (TNI) level elevations >5 times the 99 th percentile of the upper reference limit (URL) within 48 hr after implantation of a drug-eluting stent (DES), and one-year mortality in patients with(More)
Adverse selection has a significant influence on trading efficiency in insurance markets. Inspired by the quality identification function of the probation period in the secondhand car market, an insurance contract with a low compensation period is designed. It is proved that the contract can distinguish the risk types of the policyholders to achieve a(More)
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