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作 者:Feng TIAN Shan-Shan ZHOU Jing-Hua LIU Hui CHEN Zhi-Jun SUN Lian CHEN Qi WANG Jing JING Yun-Dai CHEN
机构地区:[1]Department of Cardiology,Chinese PLA General Hospital,Beijing,China [2]Department of Cardiology,Capital Medical University Affiliated Anzhen Hospital,Beijing,China [3]Department of Cardiology,Capital Medical University Affiliated Beijing Friendship Hospital,Beijing,China
出 处:《Journal of Geriatric Cardiology》2023年第1期32-39,共8页老年心脏病学杂志(英文版)
摘 要:OBJECTIVE To assess the safety and effectiveness of intravascular lithotripsy(IVL)treatment for de novo coronary lesion involving severely calcified vessels in a Chinese population.METHODS The Clinical Trial of the ShOckwave Coronary IVL System Used to Treat CalcIfied Coronary ArtEries(SOLSTICE)was a prospective,single-arm,multicentre trial.According to the inclusion criteria,patients with severely calcified lesions were enrolled in the study.IVL was used to perform calcium modification prior to stent implantation.The primary safety endpoint was freedom from major adverse cardiac events(MACEs)at 30 days.The primary effectiveness endpoint was procedural success,defined as successful stent delivery with residual stenosis<50% by core lab assessment without in-hospital MACEs.The morphological changes of calcium modification were assessed by optical coherence tomography(OCT)before and after IVL treatment.RESULTS Patients(n=20)were enrolled at three sites in China.Severe calcification by core lab assessment was present in all lesions,with a mean calcium angle and thickness of 300±51°and 0.99±0.12 mm(by OCT),respectively.The 30-day MACE rate was 5%.Both primary safety and effectiveness endpoints were achieved in 95% of patients.The final in-stent diameter stenosis was 13.1%±5.7% with no patient had a residual stenosis<50%after stenting.No serious angiographic complications(severe dissection grade D or worse,perforation,abrupt closure,slow flow/no-reflow)observed at any time during the procedure.OCT imaging demonstrated visible multiplane calcium fracture in 80% of lesions with a mean stent expansion of 95.62%±13.33% at the site of maximum calcification and minimum stent area(MSA)of 5.34±1.64 mm^(2).CONCLUSIONS The initial coronary IVL experience for Chinese operators resulted in high procedural success and low angiographic complications consistent with prior IVL studies,reflecting the relative ease of use of IVL technology.
关 键 词:coronary INTRAVASCULAR closure
分 类 号:R541.4[医药卫生—心血管疾病]
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