PMID: 25731063Mar 4, 2015Paper

A case of ventricular tachycardia that was probably caused by coronary artery spasm induced by pericardial manipulation

Masui. The Japanese journal of anesthesiology
Hiroko KimuraKazuo Ushijima

Abstract

We present a case of ventricular tachycardia (VT) that was probably caused by coronary artery spasm. A 74-year-old man was scheduled to undergo right lower lobectomy for lung cancer. Although he had never suffered from any episodes of ischemic heart disease, he had several risk factors for coronary artery disease (CAD); i. e., a history of smoking, a low high-density lipoprotein cholesterol level, and diabetes mellitus type 2. Anesthesia for one-lung ventilation was maintained by inhalation of sevoflurane (1-1.5%), the continuous intravenous infusion of remifentanil (0.1-0.15 μg x kg(-1) x min(-1)), and the intermittent administration of epidural (T4-5) 2% mepivacaine (4 ml) and 0.75% ropivacaine (5 ml). During manipulation of the pericardium, the patient's systolic blood pressure suddenly increased to 200 mmHg, followed by an ST elevation on his electrocardiogram. Despite the immediate infusion of nitroglycerin (1 mg), he developed non-sustained VT, lasting for about 30 seconds. Then, diltiazem (0.5 μg x kg(-1) x min(-1)) was continuously administered, and the infusion rate of remifentanil was increased to 0.3 μg x kg(-1) x min(-1). The patient recovered smoothly from anesthesia and his postoperative course was uneventful. Ane...Continue Reading

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