title: Bioresorbable Vascular Scaffold for the Treatment of Coronary Bifurcation Lesions: Immediate Results and 1-year Follow-up.
abstract: OBJECTIVE
  The treatment of coronary lesions with a bioresorbable vascular scaffold has been shown to be effective. However there is little information about its use in bifurcations. The aim of this study was to analyze the safety and efficacy of the bioresorbable scaffold in the treatment of coronary bifurcation lesions.
  
  
  METHODS
  From January 2012 to January 2015, we used a bioresorbable vascular scaffold to treat 194 patients with 230 bifurcation lesions. The scaffold geometry was examined by intracoronary imaging techniques in 145 bifurcations (65%). In all, 78% of the bifurcations were evaluated angiographically during follow-up (computed tomography angiography in 138 and coronary angiography in 41).
  
  
  RESULTS
  The most common clinical presentation was acute coronary syndrome (81%). The most frequent type of bifurcation was 1,1,1 (34%). A simple approach was the chosen strategy in 221 bifurcations (96%). In 90 of these lesions, the side branch was postdilated through the cells of the platform and, in 3 cases, strut fractures were observed in optical coherence tomography. Procedural success was achieved in all patients. There was 1 case of subacute thrombosis and 1 sudden cardiac death during the first month. The duration of angiographic follow-up was 7.3±1.6 months and that of clinical follow-up, 14±6 months. Twelve (5%) restenoses were documented and revascularized. During follow-up, 2 patients (1%) had an infarction in another territory and another 2 patients (1%) died; the remaining patients had a symptom-free follow-up. The incidence of thrombosis was 1.3%.
  
  
  CONCLUSIONS
  Treatment of bifurcation coronary lesions using a provisional approach is feasible and safe, with a low rate of adverse events.
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain. Electronic address: jslht@yahoo.es.
authors.forename: Javier
authors.initials: J
authors.lastname: Suárez de Lezo
authors.affiliation: Servicio de Cardiología, Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Las Palmas, Spain.
authors.forename: Pedro
authors.initials: P
authors.lastname: Martín
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: Manuel
authors.initials: M
authors.lastname: Pan
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: Soledad
authors.initials: S
authors.lastname: Ojeda
authors.affiliation: Servicio de Cardiología, Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Las Palmas, Spain.
authors.forename: José
authors.initials: J
authors.lastname: Nóvoa
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: José
authors.initials: J
authors.lastname: Segura
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: Francisco
authors.initials: F
authors.lastname: Mazuelos
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: Miguel
authors.initials: M
authors.lastname: Romero
authors.affiliation: Servicio de Cardiología, Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Las Palmas, Spain.
authors.forename: Alfonso
authors.initials: A
authors.lastname: Medina
authors.affiliation: Servicio de Cardiología, Hospital Universitario Reina Sofía de Córdoba, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
authors.forename: José
authors.initials: J
authors.lastname: Suárez de Lezo
mesh_terms: D020341:Absorbable Implants; D054058:Acute Coronary Syndrome / Q000209:etiology / Q000628:therapy*; D000368:Aged; D015906:Angioplasty, Balloon, Coronary; D000072226:Computed Tomography Angiography; D017023:Coronary Angiography; D023903:Coronary Restenosis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D023921:Coronary Stenosis / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008875:Middle Aged; D062645:Percutaneous Coronary Intervention / Q000295:instrumentation; D012042:Registries; D054457:Tissue Scaffolds; D041623:Tomography, Optical Coherence; D018084:Ultrasonography, Interventional
keywords: Bifurcation lesion; Bioresorbable vascular scaffold; Intervención coronaria percutánea; Lesiones en bifurcación; Percutaneous coronary intervention; Stent bioabsorbible