title: Effect of pulsatile perfusion during cardiopulmonary bypass in terms of radial artery sphygmogram.
abstract: OBJECTIVE
  To investigate a quantitative method for using radial artery pulse waveforms to assess the effect of pulsatile flow during cardiopulmonary bypass (CPB).
  
  
  METHODS
  A total of 34 adults with heart disease who underwent open-heart surgery between April 2010 and January 2011 were randomized into a pulsatile perfusion group (n = 17) and a non-pulsatile perfusion group (n = 17). Radial arterial pulse waveforms of pulsatile and non-pulsatile perfusion patients were observed and compared before and during CDB.
  
  
  RESULTS
  No pulse waveform could be detected at patients' radial artery in both groups when the aorta was cross-clamped. Pulse waveforms could be detected at pulsatile perfusion patients' radial artery, but could not be detected at non-pulsatile perfusion patients' radial artery during CPB. Additionally, patients' pulse waveforms during pulsatile perfusion were lower than those before the operation.
  
  
  CONCLUSIONS
  Our findings indicate that radial artery sphygmogram can be used as a valid indicator to evaluate the effectiveness of pulsatile perfusion during CPB.
authors.forename: Zhifeng
authors.initials: Z
authors.lastname: Zhang
authors.forename: Jiatuo
authors.initials: J
authors.lastname: Xu
authors.forename: Enyuan
authors.initials: E
authors.lastname: Zhu
authors.forename: Qi
authors.initials: Q
authors.lastname: Zhang
authors.forename: Lu
authors.initials: L
authors.lastname: Yu
authors.forename: Yongbing
authors.initials: Y
authors.lastname: Qiu
authors.forename: Jianguo
authors.initials: J
authors.lastname: Tang
authors.forename: Zhaofu
authors.initials: Z
authors.lastname: Fei
authors.forename: Xin
authors.initials: X
authors.lastname: Li
authors.forename: Liping
authors.initials: L
authors.lastname: Tu
authors.forename: Chouping
authors.initials: C
authors.lastname: Han
authors.forename: Ying
authors.initials: Y
authors.lastname: Liu
authors.forename: Zhen
authors.initials: Z
authors.lastname: Guo
authors.forename: Changle
authors.initials: C
authors.lastname: Zhou
authors.forename: Meiyu
authors.initials: M
authors.lastname: Shi
authors.forename: Yingxin
authors.initials: Y
authors.lastname: Qian
authors.forename: Yimin
authors.initials: Y
authors.lastname: Bao
authors.forename: Xinming
authors.initials: X
authors.lastname: Ji
mesh_terms: D000328:Adult; D002315:Cardiopulmonary Bypass; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology / Q000601:surgery*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D011673:Pulsatile Flow; D017534:Radial Artery / Q000503:physiopathology*