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The Efficacy and Safety of PRO-Kinetic Metal Alloy Stent in Hospitalized Patients with Acute ST-Elevation Myocardial Infarction (The PROMETHEUS Study).
MedLine Citation:
PMID:  22684380     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: We evaluated the clinical and angiographic outcomes of silicon carbide-coated cobalt chromium PROKinetic bare-metal stent in patients with acute ST-segment elevation myocardial infarction (STEMI) who underwent primary percutaneous coronary intervention (PCI).
METHODS: Patients with acute STEMI (2.75-5.00 mm vessels; lesion length ≤30 mm by visual estimation) were treated with PRO-Kinetic stents at 5 centers in Korea. The primary endpoint was the rate of major adverse cardiac events (MACE), defined as all-cause death, new myocardial infarction, and target lesion revascularization (TLR) at 6-month follow-up. Follow-up angiography was recommended after the completion of the 6-month clinical followup.
RESULTS: A total of 64 patients (56.6 ± 12.9 years old, 56 male) were enrolled in the study. Procedural success was achieved in 100% of the lesions. The mean stent size was 3.51 ± 0.67 mm and the mean stent length was 20.3 ± 4.4 mm. There was 1 case of in-hospital death due to cardiac tamponade. During the 6-month clinical follow-up, 4 patients (6.3%) received TLR. Therefore, the total rate of MACE was 7.8%. Angiographic follow-up data were available for 42 patients (65.6%) and the in-stent late lumen loss was 1.02 ± 0.62 mm and in-segment late lumen loss was 0.99 ± 0.64 mm. Binary restenosis occurred in 53% of reference vessel diameters (RVDs) ≤3.0 mm, 25% of RVDs between 3.0 and 3.5 mm, and 0% of RVDs >3.5 mm (P=.006).
CONCLUSIONS: The use of the PRO-Kinetic stent seems to be safe and feasible in primary PCI for acute STEMI, and shows favorable clinical and angiographic outcomes in large (>3.0 mm) coronary arteries, but not in small arteries.
Sang-Yup Lim; Hyun-Woong Park; Woo-Young Chung; Song-Yee Kim; Ki-Seok Kim; Jang-Whan Bae; Tae-Jin Youn
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of invasive cardiology     Volume:  24     ISSN:  1557-2501     ISO Abbreviation:  J Invasive Cardiol     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-06-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8917477     Medline TA:  J Invasive Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  270-3     Citation Subset:  IM    
Division of Cardiology, Department of Internal Medicine, College of Medicine, Seoul National University and Cardiovascular Center, Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Republic of Korea.
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