title: European experience with Relay: a new stent graft and delivery system for thoracic and arch lesions.
abstract: OBJECTIVE
  Thoracic endografting is a very attractive therapeutic approach for thoracic aorta pathologies. Still some technological limitations need to be solved. Relay represents a new endograft specifically designed for thoracic aorta. The two-year clinical outcomes are presented.
  
  
  METHODS
  RESTORE is a multicenter, European, prospective and monitored clinical registry. Patients with thoracic pathologies (acute or elective) suitable to be treated with Relay stent-graft were consecutively enrolled. Preoperative demographic data, procedure details, in hospital assessment and two year-follow-up outcomes were registered and analyzed.
  
  
  RESULTS
  A cohort of 150 patients (125 males and 25 females) was included. Aneurysm was the most common pathology treated (64.7%) followed by dissections (19.3%). Overall technical success rate was 97.33%. Paraplegia rate was 3.3%, recovered paraparesis in 3.3% of the cases and stroke rate was only 0.6%. Successful reinterventions were necessary in 8.7% of the cases; one trans-thoracic intervention due to a retrograde type A dissection. The 30-day mortality rate was 10%. Four non-related mortality were recorded during surveillance. Reintervention rate during two year-follow-up was 8.9% due to two stent graft migrations, three proximal type I endoleak, four type III endoleak and five distal type I endoleaks. No open conversion was needed during follow-up. No wire form ruptures were observed during the follow-up period.
  
  
  CONCLUSIONS
  Relay provides a safe and accurate thoracic stent grafting for different aortic pathologies with acceptable mortality and morbidity. Associated stroke rate was clearly inferior to the expected.
authors.affiliation: Vascular Surgery Division, Department of Cardiovascular Surgery, Thoracic Institute, Hospital Clinic, University of Barcelona, Barcelona, Spain. riambau@meditex.es
authors.forename: V
authors.initials: V
authors.lastname: Riambau
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000784:Aortic Dissection / Q000401:mortality / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000401:mortality / Q000601:surgery*; D001807:Blood Vessel Prosthesis; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects / Q000295:instrumentation*; D005060:Europe; D005260:Female; D017052:Hospital Mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D020335:Paraparesis / Q000209:etiology; D010264:Paraplegia / Q000209:etiology; D011446:Prospective Studies; D011474:Prosthesis Design; D012042:Registries; D012086:Reoperation; D015607:Stents; D020521:Stroke / Q000209:etiology; D013997:Time Factors; D016896:Treatment Outcome