title: Long-term functional outcome and performance status after intensive care unit re-admission: a prospective survey.
abstract: BACKGROUND
  Intensive care unit (ICU) re-admission identifies a high-risk group in terms of hospital mortality, length of stay, and resource utilization. Only hospital and ICU mortality are well described in the literature on critically ill patients needing re-admission.
  
  
  METHODS
  With ethical committee approval, from a prospectively collected database of all admissions to a combined medical and surgical ICU from January 1 to December 31, 2004, we identified all ICU re-admissions from within the hospital and analysed the factors associated with increased incidence of re-admission. At 2-3 yr after discharge, we evaluated the functional outcome of the surviving re-admitted patients as Glasgow Outcome Score (GOS) and Karnofsky index and identified determinants of both mortality and good functional outcome.
  
  
  RESULTS
  Seventy-three (7.4%) of the 1061 patients who survived their first ICU stay were re-admitted during the study period. Of the 73 re-admitted patients, 14 died in ICU, 17 died later in the same hospital stay, and 10 died in the interim. Thus, 32 (43.8%) were alive 2-3 yr after discharge. The median [IQR] GOS of the survivors was 4 (see Mackle and colleagues in One year outcome of intensive care patients with decompensated alcoholic liver disease.
  
  
  CONCLUSIONS
  Although the ICU, hospital, and subsequent mortalities are high in patients after ICU re-admission, most survivors at 2-3 yr had by then made a good functional recovery and were independent.
authors.affiliation: Department of Anaesthesia and Intensive Care, Mater Misericordiae University Hospital, Eccles St, Dublin 7, Ireland. tallniamh@hotmail.com
authors.forename: N
authors.initials: N
authors.lastname: Conlon
authors.forename: B
authors.initials: B
authors.lastname: O'Brien
authors.forename: G P
authors.initials: GP
authors.lastname: Herbison
authors.forename: B
authors.initials: B
authors.lastname: Marsh
mesh_terms: D000368:Aged; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007362:Intensive Care Units / Q000706:statistics & numerical data*; D007494:Ireland; D007902:Length of Stay / Q000706:statistics & numerical data; D008297:Male; D008511:Medicine; D008875:Middle Aged; D010359:Patient Readmission / Q000706:statistics & numerical data*; D011379:Prognosis; D012720:Severity of Illness Index; D013038:Specialization