title: Impact of immediate versus delayed tracheal extubation on length of ICU stay of cardiac surgical patients, a randomized trial.
abstract: BACKGROUND
  Ultra-fast track anaesthesia aims at immediate extubation of cardiac surgical patients at the end of the operation. This study compares the effect of ultrafast track anesthesia versus continued postoperative mechanical ventilation on the intensive care unit length of stay.
  
  
  METHODS
  Fifty-two elective adult patients were randomly allocated into ultrafast track anaesthesia and conventional groups by computer-generated random numbers. Redo operations, pre-operative intubation, uncontrolled diabetes, shock/left ventricular ejection fraction < 45%, pulmonary artery systolic pressure >55mmHg, creatinine clearance -1, haemodynamic instability, or those with concerns of postoperative bleeding were excluded. Pre- and intra-operative management was similar and Logistic EuroSCORE II was calculated for all. Intra-operatively, haemodynamic parameters, urine output, oxygen saturation, arterial blood gas analysis, 5-lead electrocardiogram, operative bypass- and cross-clamp time, and opioid consumption were collected. Postoperatively, patients were compared during their intensive care unit stay. Data were analysed by χ²/Fischer exact, unpaired student's t-test, univariate two-group repeated measures with post hoc Dunnett's test, and Mann-Whitney U tests as appropriate. p < 0.05 was considered significant.
  
  
  RESULTS
  Patients were comparable regarding their peri-operative characteristics and EuroSCORE. The intensive care unit stay was shorter in the ultrafast track anaesthesia group [57.4 (18.6) vs. 95 (33.6) h. p < 0.001], without increasing postoperative renal, respiratory complications rate or reopening rate.
  
  
  CONCLUSIONS
  In this single center study, ultrafast track anaesthesia decreased intensive care unit stay without increasing the rate of post-operative complications.
authors.affiliation: Department of Anesthesia, Students Hospital, Cairo University, Cairo, Egypt.
authors.forename: Moataz
authors.initials: M
authors.lastname: Salah
authors.affiliation: Department of Anesthesia and Intensive Care Medicine, Kasr Al-Ainy faculty of medicine, Cairo University, Cairo, Egypt.
authors.forename: Hisham
authors.initials: H
authors.lastname: Hosny
authors.affiliation: Department of Anesthesia and Intensive Care Medicine, Kasr Al-Ainy faculty of medicine, Cairo University, Cairo, Egypt.
authors.forename: Maged
authors.initials: M
authors.lastname: Salah
authors.affiliation: Department of Anesthesia and Intensive Care Medicine, Kasr Al-Ainy faculty of medicine, Cairo University, Cairo, Egypt.
authors.forename: Hoda
authors.initials: H
authors.lastname: Saad
keywords: ICU stay; cardiac anaesthesia; ultra fast track anaesthesia
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