title: Coronary computed tomography angiography without significant stenosis predicts favourable three-year prognosis.
abstract: BACKGROUND
  The objective of this study was to evaluate the incidence of death, cardiovascular events and the use of later non-scheduled imaging for coronary artery disease (CAD) in patients suspected for CAD and discharged without a need for further examination or treatment from an outpatient clinic following coronary computed tomography angiography (CCTA).
  
  
  METHODS
  This was a retrospective cohort study among patients discharged from an outpatient clinic after CCTA at our institution during 2009 and 2010. Follow-up was performed using nationwide Danish registers.
  
  
  RESULTS
  A total of 683 (68.2%) out of 1001 patients were discharged from the outpatient clinic after CCTA with no need for further examination. These patients were included in our study. After a median follow-up of 37 months, a low all-cause mortality of 3.7 per 1,000 person-years was found. There was only one case of acute myocardial infarction and no cases of death related to cardiovascular disease. A total of 5.0% of the patients later underwent non-scheduled imaging, predominantly invasive coronary angiography. No patients had revascularisation performed during the study period.
  
  
  CONCLUSIONS
  Patients with suspected CAD discharged after CCTA with no need for further examination have a favourable cardiovascular prognosis.
  
  
  BACKGROUND
  Not relevant.
  
  
  BACKGROUND
  Not relevant.
authors.affiliation: Kardiologisk Afdeling, Aalborg Universitetshospital, Hobrovej 18-22, 9000 Aalborg, Denmark. jeppe_m_kristiansen@hotmail.com.
authors.forename: Jeppe Maagaard
authors.initials: JM
authors.lastname: Kristiansen
authors.forename: Tomas
authors.initials: T
authors.lastname: Zaremba
authors.forename: Martin Berg
authors.initials: MB
authors.lastname: Johansen
authors.forename: Hans-Henrik
authors.initials: HH
authors.lastname: Tilsted
authors.forename: Svend Eggert
authors.initials: SE
authors.lastname: Jensen
mesh_terms: D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging* / Q000401:mortality; D023921:Coronary Stenosis / Q000000981:diagnostic imaging; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology; D010351:Patient Discharge; D011379:Prognosis; D012189:Retrospective Studies; D015996:Survival Rate; D014057:Tomography, X-Ray Computed