An unusual case of ST-segment elevation myocardial infarction following a late bare-metal stent fracture in a native cor

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Case report

An unusual case of ST-segment elevation myocardial infarction following a late bare-metal stent fracture in a native coronary artery: a case report Giovanni Minardi*1, Paolo G Pino1, Marco Stefano Nazzaro1, Herribert Pavaci2, Martina Sordi2, Cesare Greco2 and Carlo Gaudio2 Address: 1Department of Cardiology and Cardiovascular Surgery, Azienda Ospedaliera San Camillo-Forlanini, Rome, Italy and 2Department of Heart and Great Vessels Attilio Reale, Second Division of Cardiology, "Sapienza", University of Rome, Rome, Italy Email: Giovanni Minardi* - [email protected]; Paolo G Pino - [email protected]; Marco Stefano Nazzaro - [email protected]; Herribert Pavaci - [email protected]; Martina Sordi - [email protected]; Cesare Greco - [email protected]; Carlo Gaudio - [email protected] * Corresponding author

Published: 24 November 2009 Journal of Medical Case Reports 2009, 3:9296

doi:10.1186/1752-1947-3-9296

Received: 16 January 2009 Accepted: 24 November 2009

This article is available from: http://www.jmedicalcasereports.com/content/3/1/9296 © 2009 Minardi et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract Introduction: A bare-metal stent fracture as a cause of acute coronary thrombosis and consequently of acute coronary syndrome is a rare clinical event that, to the best of our knowledge, has previously not been reported. A stent fracture is a rare complication arising from percutaneous coronary intervention. Case presentation: We present, to the best of our knowledge, the first documented case of STsegment elevation myocardial infarction in a patient following a late bare-metal stent fracture and thrombosis in a native coronary artery. The patient, a 51-year-old Caucasian man, was treated successfully with primary percutaneous coronary intervention and a new stent implantation. Conclusion: A coronary stent fracture is a rare complication that has been described in venous bypass grafts deploying either a drug-eluting stent or a bare-metal stent. Stent fractures rarely occur in coronary arteries. In light of the non-specific presentation of stent fracture, it is also an easily missed complication. Patients may present with a non-specific symptom of angina. The angina could either be stable or unstable as a result of restenosis or in-stent thrombosis, or both. Our case demonstrates the most severe consequences of a bare-metal stent fracture (sudden coronary thrombosis and subsequent myocardial infarction) in a native coronary artery. It was diagnosed angiographically and treated early and effectively.

Introduction A bare-metal stent (BMS) fracture as a cause of acute coronary thrombosis and consequently of acute coronary syndrome (ACS) is a rare clinical event t