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Successful opening in-stent chronic total occlusion lesion of coronary artery by excimer laser coronary angioplasty

Journal of Geriatric Cardiology 2019年第6期16卷 502-506页

作者： Jing BAI Hai-Xia WANG Jiang-Tao WANG Jing ZHAO Liang PENG Xue-Dong YANG Zhe TANG shaheena nazneen Gao-Kun WANG Yu WANG Department of Cardiology Chinese PLA General Hospital Beijing China Weihai Municipal Hospital Shandong China People’s Hospital of Rongcheng Shandong China Shahe People’s Hospital Hebei China Fuwai Central China Cardiovascular Hospital Henan China Emergency and Critical Care Center Beijing Anzhen Hospital Capital Medical University Beijing China Lab Aid Cardiac Hospital Dhanmondi Dhaka Bangladesh Second Retired Cadre Recuperation Center of Jilin Provincial Military Region Jilin China

In percutaneous coronary intervention (PCI), chronic total occlusion (CTO) coronary artery disease still remains difficult to treat. One of the reasons for the failure is the hard of the CTO lesions that balloon is difficult to pass through or expand. Previous methods to deal with CTO lesions that cannot be passed by balloon, include selecting reinforced catheter (such as 5 in 6 guiding catheter, Guidzilla catheter, or Tornus microcatheter), guidewire extrusion or rotary grinding technology. In recent years, excimer laser coronary angioplasty (ELCA) has been gradually applied to CTO lesions. Using inert halide as the laser medium, ELCA emits a 308 nm high-intensity unidirectional light wave with absorption depth of only 50 μmL, resulting in less thermal effect and less damage to non-target lesions. In this paper, we will describe a successful PCI case of an in-stent CTO lesion using ELCA with long term coronary angiography follow-up.

关键词： Chronic total occlusion Drug coating balloon Excimer laser coronary angioplasty Percutaneous coronary intervention

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Impact of main vessel calcification on procedural and clinical outcomes of bifurcation lesion undergoing provisional single-stenting intervention: a multicenter, prospective, observational study

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Journal of Geriatric Cardiology 2019年第2期16卷 156-163页

作者： Jing BAI Yan YUE Hong-Qi FENG Shu-Xin HAO Liang PENG Ming ZHANG shaheena nazneen Li-Feng LIU Zhe TANG Xiao-Lin YU Yu-Tao XIE Fu-Xiang SHAN Ming-Zhi SHEN Jiang-Tao WANG Xue-Hua WAN Yun-Dai CHEN Yu WANG Department of Cardiology Chinese PLA General HospitalBeijingChina People's Hospital of Rongcheng Shandong eChina Clifford Hospital GuangdongChina Hengshui Cardiovescular Hospital HebeiChina Fuwai Central China Cardiovascular Hospital HenanChina Lab Aid Cardiac Hospital DhanmondiDhaka.Bangladesh Heart Center Beijing Chaoyang HospitalCapital Medical UniversityBeijingChina Emergency and Critical Care Center Beijing Anzhen HospitalCapital Medical UniversityBeijing Institute of Heart Lung and Blood Vessel DiseaseBeijingChina People's Hospital of Xinjiang Uygur Autonomous Region XinjiangChina The People's Hospital in Jimusar XinjiangChina Hainan Branch of Chinese PLA General Hospital HainanChina

Background Few data on the combined effects of bifurcation and calcification on coronary artery disease(CAD)patients undergoing percutaneous coronary intervention(PCI)are *** study evaluated the impact of main vessel(MV)calcification on the procedural and long-term outcomes in patients with CAD who underwent provisional single stent *** This is a multicenter,prospective,observational *** with bifurcation lesions were enrolled at 10 PCI centers in China from January 2015 to December *** ultrasound or optical coherence tomography was performed in all patients to evaluate the MV *** were treated with provisional single stent strategy using drug eluting stents and followed-up at 1 month,6 months and 12 months after discharge by telephone contact or outpatient *** coronary imaging was performed within one *** compared the procedural success rates in MV and in side branch(SB),and target lesion failure(TLF),defined as a composite of cardiac death,non-fatal myocardial infarction,definite or possible stent thrombosis and target lesion revascularization between patients with and without MV *** A total of 185 subjects were enrolled according to the inclusion and exclusion criteria of this *** calcification was detected in 119(64.3%,calcification group)and not found in 66(35.7%,non-calcification group)*** angiographic success rate of MV was 95.8%in the calcification group and 97.0%in the non-calcification group(P=0.91);the angiographic success rate of SB was 32.8%in the calcification group and 53.0%in the non-calcification group(P<0.05).During the one-year follow-up period,TLF occurred in 14(11.8%)patients in the calcification group and in 13(19.7%)in the non-calcification group{P=0.31).Multivariate regression analysis showed the same result(HR=1.23,95%CI:0.76-1.52,P=0.47).Calcification on group had higher recurrent angina than non-calcification group(13.51%vs.17.65%,P

关键词： Bifurcation lesion Coronary artery disease Coronary calcification Percutaneous coronary intervention

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