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SAMJ: South African Medical Journal

On-line version ISSN 2078-5135
Print version ISSN 0256-9574


TORBORG, A; RYAN, L; KANTOR, G  and  BICCARD, B M. The pharmacoeconomics of routine postoperative troponin surveillance to prevent and treat myocardial infarction after non-cardiac surgery. SAMJ, S. Afr. med. j. [online]. 2014, vol.104, n.9, pp.619-623. ISSN 2078-5135.

BACKGROUND: A postoperative troponin leak that was previously considered clinically insignificant has been independently associated with 30-day mortality in unselected surgical patients 45 years of age following non-cardiac surgery. OBJECTIVES: To determine whether routine troponin surveillance following non-cardiac surgery and initiation of aspirin and statin therapy in troponin-positive patients is cost-effective. METHODS: Pharmacoeconomic analysis to determine the cost-effectiveness of routine postoperative surveillance for patients aged 45 years undergoing non-cardiac surgery. We compared the total expected cost of hospital care of patients who received routine troponin surveillance and subsequent introduction of statin and aspirin therapy for 30 days in troponin-positive patients with the cost of hospital care of patients who did not receive troponin surveillance. We estimated a 25% relative risk reduction following statin and aspirin therapy for postoperative vascular mortality and non-fatal myocardial infarction. RESULTS: Routine troponin surveillance with initiation of aspirin and statin therapy was cost-effective, with an incremental cost of -R16 724 per event avoided. CONCLUSION: Routine postoperative troponin surveillance in non-cardiac surgical patients 45 years of age requiring a postoperative night in hospital is potentially cost-effective.

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