title: [A pilot assessment of the FloTrac cardiac output monitoring system comparing with pulmonary artery catheter method by three versions].
abstract: BACKGROUND
  Clinical significance of PA catheter is controversial. FloTrac sensor bases its calculations on arterial waveform characteristics. We conducted a pilot assessment of the FloTrac sensor by three versions comparing with pulmonary artery catheter (PCA) methodology.
  
  
  METHODS
  Five patients undergoing cardiac surgery and four patients undergoing renal transplantation were enrolled. A PAC was inserted and radial arterial access was used for semi-invasive determination of CO (APCO) with the Vigileo. CO was measured simultaneously by bolus thermodilution and the Vigileo technique, and CCO was measured simultaneously.
  
  
  RESULTS
  The correlation with output obtained by FloTrac and obtained by PCA is better with the newer version. Bland Altman analyses demonstrated better agreement between FloTrac and PCA methodology of the newer version.
  
  
  CONCLUSIONS
  CO measured by a new semi-invasive arterial pressure waveform analysis device showed better agreement with pulmonary artery thermodilution measurement of the newer version.
authors.affiliation: First Department of Anesthesiology, Toho University School of Medicine, Tokyo 143-8541.
authors.forename: Takashi
authors.initials: T
authors.lastname: Terada
authors.forename: Akiko
authors.initials: A
authors.lastname: Usami
authors.forename: Ririko
authors.initials: R
authors.lastname: Iwasaki
authors.forename: Daisuke
authors.initials: D
authors.lastname: Toyoda
authors.forename: Junko
authors.initials: J
authors.lastname: Ozawa
authors.forename: Ryoichi
authors.initials: R
authors.lastname: Ochiai
mesh_terms: D002302:Cardiac Output; D002404:Catheterization; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000295:instrumentation* / Q000379:methods; D010865:Pilot Projects; D011651:Pulmonary Artery / Q000502:physiology