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a Department of Cardiology, Isala Klinieken, Zwolle, the Netherlands
b Department of Cardiothoracic Surgery, Isala Klinieken, Zwolle, the Netherlands
* Address correspondence to Dr Heestermans, Isala Klinieken, locatie Weezenlanden, Department of Cardiology, Groot Wezenland 20, Zwolle, 8011 JW, the Netherlands (Email: v.r.c.derks{at}isala.nl).
A 72-year-old woman with hypertension and hypercholesterolemia presented with complaints of chest pain and dyspnea (New York Heart Association classification III/IV). The results of the resting electrocardiogram (ECG) were normal; however, exercise testing was suggestive for ischemia. Diagnostic catheterization confirmed 3-vessel disease with preserved left ventricular function.
The patient underwent coronary artery bypass grafting using the left internal mammary artery to the left anterior descending artery and a venous jump graft with four distal anastomoses. The procedure was uneventful.
The patient was weaned off bypass smoothly, and one pleural drain and one pericardial drain were left behind before closure of the chest. The postoperative ECG (Fig 1C) demonstrated ST-segment elevation in leads II, III, and aVF, and ST-segment depression in V1 through V3 suggestive of an acute inferoposterolateral myocardial infarction.
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The lesson to be learned from this incident is that care needs to be taken when drains are placed and the sternum is closed. Even a relatively minor detail such as chest drain position can have a major effect on the patient's postoperative course. Early recognition of these kinds of mechanical problems is a matter of common sense, but is extremely important, and should be followed by immediate and adequate intervention.
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This article has been cited by other articles:
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N. N. Lang and D. E. Newby Cardiac compression causing fatal acute ST-segment elevation myocardial infarction QJM, July 30, 2011; (2011) hcr131v1. [Full Text] [PDF] |
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