• Fabiano F Viana, Yi Chen, Aubrey A Almeida, Heather D Baxter, Andrew D Cochrane, and Julian A Smith.
• Department of Cardiothoracic Surgery, Monash Medical Centre, Clayton, Victoria, Australia. ff_viana@hotmail.com
• ANZ J Surg. 2013 Sep 1; 83 (9): 651-6.

BackgroundGastrointestinal (GI) complications after cardiac surgery are uncommon, but are associated with high morbidity and mortality as well as significant hospital resource utilization.MethodsWe analysed a prospectively collected database containing all adult cardiac surgery procedures performed from July 2001 to March 2011 at Monash Medical Centre and Jessie McPherson Private Hospital. Patients with post-operative GI complications were compared to patients without GI complications who were operated in the same period.ResultsThe incidence of GI complications was 1.1% (61 out of 5382 patients) with an overall 30-day mortality of 33% (versus 3% in the non-GI complication group). The most common complications were GI bleeding, gastroenteritis and bowel ischaemia. Patients who had GI complications were significantly older, had higher incidence of renal impairment, chronic lung disease and anticoagulation therapy and were more likely to be in cardiogenic shock. Emergency procedures, combined coronary artery bypass grafting and valve surgery and aortic dissection cases were more common in the GI complication group. The GI complication group also had higher incidence of return to theatre, renal failure, stroke, septicaemia and multi-organ failure.ConclusionsGI complications after cardiac surgery remain an uncommon but dreadful complication associated with high mortality. Our findings should prompt a high degree of clinical vigilance in order to make an early diagnosis especially in high risk patients. Further studies aiming to identify independent predictors for GI complications after cardiac surgery are warranted.© 2013 The Authors. ANZ Journal of Surgery © 2013 Royal Australasian College of Surgeons.

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