title: [Outcome of myocardial revascularisation in Iceland].
abstract: In Iceland over 3500 coronary artery bypass operations have been performed, both On-Pump, using cardiopulmonary bypass and Off-Pump, surgery on a beating heart. The aim was to study their outcome.
  
  
  
  This was a retrospective study on 720 consecutive patients who underwent surgical revascularisation at Landspítali-The National University Hospital of Iceland between 2002-2006; 513 On-Pump and 207 Off-Pump patients. Complications and operative mortality (<30 days) were compared between the groups and predictors of survival identified using multivariate analysis.
  
  
  
  The number of males was significantly higher in the On-Pump group, but other risk factors of coronary artery disease, including age and high body mass index, were comparable, as were the number of distal anastomoses and EuroSCORE. The Off-Pump procedure took 25 minutes longer on average and chest tube output was significantly increased, but the amount of transfusions administered was similar. The rate of minor complications was higher in the On-Pump group. Of the major complications, stroke rates were similar in both groups (2%) but the rate of reoperation for bleeding was higher in the On-Pump group. Mean length of hospital stay was one day longer for On-Pump patients but operative mortality was similar for both groups (4% vs. 3%, p=0.68) as was 5 year survival (92% in both groups). In multivariate analysis both EuroSCORE and age predicted outcome of operative mortality and long term survival but type of surgery (On-Pump vs. Off-Pump) was not a predictive variant.
  
  
  
  Outcome of myocardial revascularisation in Iceland is good as regards operative mortality and long term survival. This applies to both conventional On-Pump and Off-Pump procedures.
authors.affiliation: Department of Cardiothoracic Surgery, Landspítala-The National University Hospital of Iceland, Faculty of Medicine, University of Iceland, Reykjavik, Iceland.
authors.forename: Hannes
authors.initials: H
authors.lastname: Sigurjónsson
authors.forename: Sólveig
authors.initials: S
authors.lastname: Helgadóttir
authors.forename: Sæmundur J
authors.initials: SJ
authors.lastname: Oddsson
authors.forename: Martin Ingi
authors.initials: MI
authors.lastname: Sigurđsson
authors.forename: Arnar
authors.initials: A
authors.lastname: Geirsson
authors.forename: Thorarinn
authors.initials: T
authors.lastname: Arnórsson
authors.forename: Tómas
authors.initials: T
authors.lastname: Guđbjartsson
mesh_terms: D001026:Coronary Artery Bypass / Q000009:adverse effects / Q000401:mortality; D047549:Coronary Artery Bypass, Off-Pump / Q000009:adverse effects / Q000401:mortality; D003324:Coronary Artery Disease / Q000401:mortality / Q000601:surgery*; D005260:Female; D006785:Hospitals, University; D006801:Humans; D007055:Iceland; D007902:Length of Stay; D008297:Male; D015999:Multivariate Analysis; D010043:Outcome and Process Assessment, Health Care; D011183:Postoperative Complications / Q000209:etiology / Q000401:mortality / Q000601:surgery; D019984:Quality Indicators, Health Care; D012086:Reoperation; D012189:Retrospective Studies; D018570:Risk Assessment; D012307:Risk Factors; D016019:Survival Analysis; D013997:Time Factors; D016896:Treatment Outcome