BJA Advance Access published online on March 1, 2008
British Journal of Anaesthesia, doi:10.1093/bja/aen033
Drug-eluting stent thrombosis in patients undergoing non-cardiac surgery: is it always a problem?
Department of Anesthesiology and Critical Care, Centre Hospitalo-Universitaire Pitié-Salpétrière, Assistance Publique-Hôpitaux de Paris, Université Pierre et Marie Curie, Paris, France
* Corresponding author. Département d’Anesthésie Réanimation 2, Hôpital Pontchaillou, CHU Rennes, 2 rue Henri Le Guilloux, 35033 Rennes Cedex 9, France. E-mail: gilles.godet{at}chu-rennes.fr
Background: Recent publications have reported high incidence of perioperative complications in patients with drug-eluting stent (DES). The recommendations for bare-metal stents (BMS) are not applicable to DES. In fact, large evidence-based studies are lacking on which to base a consensus for the perioperative management of patients with DES. The aim of the present study is to evaluate the postoperative cardiac risk associated with DES.
Methods: Prospectively collected data were examined for the rate of postoperative cardiac complications in 96 consecutive patients with DES who underwent digestive, urologic, orthopaedic, or vascular surgery. The average delay between revascularization and non-cardiac surgery was 14 (11) months (extremes 1 week and 36 months). The occurrence of postoperative troponin release (troponin I 
0.15 ng ml–1) and the rate of in-stent thrombosis were analysed.
Results: Twelve patients (12%) presented a postoperative troponin release, without EKG abnormalities in 10 cases (83%). Two patients (2%) developed an in-stent thrombosis. None of the patients had excessive postoperative blood loss.
Conclusions: Patients with DES are at higher risk of postoperative cardiac complications. Nevertheless, the specific thrombotic complications of the DES were uncommon in this series and this is in contrast to previous alarming reports. A balanced perioperative management of anti-platelet agents, considering both risk for bleeding and risk of thrombotic complications, in patients with DES, is associated with a low risk of thrombosis in the postoperative period. The rate of cardiac complications remains high in these patients due to co-morbidities.
Keywords: cardiac troponin I; complications, myocardial infarction; coronary artery disease; drug-eluting stents; surgery, non-cardiac
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