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Effect of Vascular Access Site Choice on Radiation Exposure During Coronary Angiography: The REVERE Trial (Randomized Evaluation of Vascular Entry Site and Radiation Exposure)
Affiliation:1. Wright Center for Graduate Medical Education, Commonwealth Medical College, Scranton, Pennsylvania;2. Seth N.H.L Municipal Medical College, Ahmedabad, India;3. Department of Interventional Cardiology, Apex Heart Institute, Ahmedabad, India;4. Duke Clinical Research Institute, Durham, North Carolina;6. Quebec Heart and Lung Institute, Laval University, Quebec City, Quebec, Canada;5. Apex Heart Institute, Ahmedabad, India
Abstract:ObjectivesThis study sought to perform a randomized noninferiority trial of radiation exposure during cardiac catheterization comparing femoral access (FA) with left radial access (LRA) and right radial access (RRA).BackgroundIncreased radiation exposure with radial approach compared with femoral approach remains a controversial issue.MethodsThis study randomized 1,493 patients undergoing cardiac catheterization at a tertiary care center to FA, LRA, and RRA in a 1:1:1 fashion. The primary endpoint was air kerma. The secondary endpoints included dose-area product, fluoroscopy time and operator dose per procedure, number of cineangiograms, and number of catheters.ResultsBaseline and procedural characteristics were similar among groups. No significant differences were observed in air kerma (medians: FA: 421 mGy [interquartile range (IQR): 337 to 574 mGy], LRA: 454 mGy [IQR: 331 to 643 mGy], and RRA: 483 mGy [IQR: 382 to 592 mGy], p = 0.146), dose-area product (medians: FA: 25.5 Gy cm2 [IQR: 19.6 to 34.5 Gy cm2], LRA: 26.6 Gy cm2 [IQR: 19.5 to 37.5 Gy cm2], and RRA: 27.7 Gy cm2 [IQR: 21.9 to 34.4 Gy cm2], p = 0.40), or fluoroscopy time (medians: FA: 1.3 min [IQR: 1.0 to 1.7 min], LRA: 1.3 min [IQR: 1.0 to 1.7 min], and RRA: 1.32 min [IQR: 1.0 to 1.7 min], p = 0.19) among the 3 access sites. Median operator exposure was higher in the LRA group (3 mrem [IQR: 2 to 5 mrem], p = 0.001 vs. FA, and p = 0.0001 vs. RRA) compared with the FA (2 mrem [IQR: 2 to 4 mrem] and RRA groups (3 mrem [IQR: 2 to 5 mrem]).ConclusionsRadiation exposure to patients was similar during diagnostic coronary angiography with FA, RRA, and LRA. However, LRA was associated with significantly higher operator radiation exposure than were FA and RRA procedures. (Randomized Evaluation of Vascular Entry Site and Radiation Exposure [REVERE]; NCT01677481)
Keywords:coronary angiography  operator experience  radiation exposure  transradial access  AK"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0030"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  air kerma  DAP"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0040"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  dose-area product  FA"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0050"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  femoral access  FT"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0060"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  fluoroscopy time  IQR"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0070"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  interquartile range  LRA"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0080"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  left radial access  PCI"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0090"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  percutaneous coronary intervention  RRA"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0100"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  right radial access  TFA"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0110"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  transfemoral access  TRA"  },{"  #name"  :"  keyword"  ,"  $"  :{"  id"  :"  kwrd0120"  },"  $$"  :[{"  #name"  :"  text"  ,"  _"  :"  transradial access
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