title: Gastrointestinal ischemia related mortality in patients undergoing off- or on-pump coronary artery bypass grafting.
abstract: OBJECTIVE
  Gastrointestinal ischemia (GII) after heart surgery is a rare but devastating condition. The aim of this study was to compare the occurrence of GII after coronary artery bypass grafting (CABG) performed off-pump (OPCAB) vs on-pump (ONCAB).
  
  
  METHODS
  We retrospectively evaluated 2625 adult patients who underwent isolated coronary artery surgery during a 6-year period. The OPCAB group included 658 patients and the ONCAB group 1967 patients. Patients were evaluated, and GII, morbidity, and mortality in the 2 groups were compared.
  
  
  RESULTS
  GII developed in 0.4% (7 of 1967) patients in the ONCAB group and in 0.2% (1 of 658) patients in the OPCAB group (P = .28). Mortality rates due to GII were 0.2% (4 of 1967) in the ONCAB group, and no deaths occurred in the OPCAB group (P < .04). Postoperative atrial fibrillation incidence with GII was 100% (7 of 7) in ONCAB group and 0% (0 of 1) in the OPCAB group (P < .01).
  
  
  CONCLUSIONS
  Compared to ONCAB, the OPCAB procedure has lower GII related mortality rates, which is an important cause of morbidity and mortality in the postoperative period of CABG surgery.
authors.affiliation: Department of Cardiovascular Surgery, Faculty of Medicine, Kocatepe University, Afyonkarahisar, Turkey. dremmiler@yahoo.com
authors.forename: Mustafa
authors.initials: M
authors.lastname: Emmiler
authors.forename: Afsin
authors.initials: A
authors.lastname: Yaveri
authors.forename: Cevdet Uğur
authors.initials: CU
authors.lastname: Koçoğullari
authors.forename: Yüksel
authors.initials: Y
authors.lastname: Ela
authors.forename: Dursun Ali
authors.initials: DA
authors.lastname: Sahin
authors.forename: Remziye Gül
authors.initials: RG
authors.lastname: Sivaci
authors.forename: Ahmet
authors.initials: A
authors.lastname: Cekirdekci
mesh_terms: D001026:Coronary Artery Bypass / Q000401:mortality*; D005260:Female; D041981:Gastrointestinal Tract / Q000098:blood supply*; D006801:Humans; D015994:Incidence; D007511:Ischemia / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000401:mortality*; D018570:Risk Assessment / Q000379:methods; D012307:Risk Factors; D016019:Survival Analysis; D015996:Survival Rate; D016896:Treatment Outcome; D014421:Turkey