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Cardiovascular computed tomography versus transoesophageal echocardiography after cryptogenic ischaemic stroke - a pilot study of 12 patients

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  2. Cardiovascular computed tomography versus transoesophageal echocardiography after cryptogenic stroke- a pilot study of 12 patients

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Objective Transoesophageal echocardiography (TEE) is the gold standard for the detection of cardiac emboli sources in ischaemic stroke patients, but new computed tomography (CT) scanners are able to visualize the heart. This pilot study aimed to compare findings on TEE with combined cardiovascular scan and cerebral CT angiography in cryptogenic ischaemic stroke patients. Methods This pilot study enrolled patients with cryptogenic ischaemic stroke who underwent a combined cardiovascular and cerebral CT angiography scan and a TEE examination, which were interpreted in a blinded manner. Results Twelve patients with cryptogenic ischaemic stroke were included (mean age 56 years). Of these, 10 patients underwent both a combined cardiovascular and cerebral CT angiography and a TEE examination. All cardiovascular CT scans were readable at sinus rhythm. None of the simultaneous cerebral angiograms were compromised. Thrombi were not detected in any patients. Patent foramen ovale was visualized in five patients by TEE, while cardiovascular CT only identified three. Cardiovascular CT revealed in addition an X-ray negative pulmonary metastasis in one patient, aortic coarctation in another and significant coronary stenosis in four patients. Conclusion The sensitivity for detecting patent foramen ovale was considerably lower for cardiovascular CT than for TEE, however the cardiovascular CT revealed several other very important clinical findings.

Original languageEnglish
Article number300060518764220
JournalJournal of International Medical Research
Volume48
Issue number1
Pages (from-to)1-10
Number of pages10
ISSN0300-0605
DOIs
Publication statusPublished - Jan 2020

ID: 54931702