We compared a conventional stent (Jostent Flex, Jomed GmbH, Rangendingen, Germany) with a @entity736 ( @entity736 )-membrane-covered stent (Jostent Stentgraft) in @entity1 undergoing intervention of a @entity850 in an obstructed vein graft. The use of stents improved results of percutaneous revascularization of obstructed vein grafts, but did not demonstrate the reduced elevated @entity256 rate. In addition, long-term clinical event rate is still high compared with intervention in native vessels. Observational studies suggested that stents covered with a PTFE membrane might be associated with a low complication and @entity256 rate in venous bypass grafts. This prospective multicenter study included a total of 211 @entity1 who were randomly assigned to receive either a Flex stent or Stentgraft. The primary end point was binary @entity256 rate at six months by core lab quantitative coronary angiography. Acute success and procedural events were comparable between the two groups. @entity256 rate was not significantly different between the Flex (20%) and the Stentgraft (29%) groups (p = 0.15), although there was a nonsignificant trend toward a higher late occlusion rate in the Stentgraft group (7% vs. 16%, p = 0.069) at follow-up. Likewise, after a mean observation period of 14 months, cumulative event rates ( @entity204 , @entity583 , or @entity75 revascularization) were comparable in the two groups (31% vs. 31%, p = 0.93). This controlled trial does not indicate a superiority of the PTFE-membrane-covered Stentgraft compared with a conventional stent with respect to acute results, @entity256 , or clinical event rates.

A randomized trial of XXXX -membrane-covered stents compared with conventional stents in aortocoronary saphenous vein grafts.

@entity1 :: ('9606', 'Species') :: ['patients'] @entity583 :: ('MESH:D009203', 'Disease') :: ['myocardial infarction'] @entity75 :: ('MESH:D001927', 'Disease') :: ['target lesion'] @entity256 :: ('MESH:D023903', 'Disease') :: ['restenosis', 'Restenosis'] @entity736 :: ('CHEBI:53251', 'Chemical') :: ['PTFE', 'polytetrafluoroethylene'] @entity850 :: ('MESH:D003251', 'Disease') :: ['stenosis'] @entity204 :: ('MESH:D003643', 'Disease') :: ['death']
@entity736 :: (CHEBI:53251,Chemical) :: ['polytetrafluoroethylene']
