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Cardiac magnetic resonance imaging in the evaluation of cardiac sarcoidosis: an Australian single-centre experience

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Abstract:

Abstract Background: 

Cardiac involvement in systemic sarcoidosis is common; however, current diagnostic tools are imprecise. Recognition of cardiac sarcoidosis (CS) is important as it has a relatively poor prognosis. Gadolinium-enhanced cardiac magnetic resonance imaging (Gad-CMR) is emerging as an excellent technique in determining the presence of and extent to which cardiac muscle is affected by sarcoidosis. Methods: 

A retrospective analysis was performed on all patients with biopsy-proven systemic sarcoidosis referred for Gad-CMR scanning to evaluate potential cardiac involvement. All patients also underwent an electrocardiogram, Holter monitor and echocardiography. Gallium-67 radionuclide investigation, positron emission tomography and cardiac biopsy were ordered at the discretion of the treating physician. Results: 

Eleven of the 20 patients had Gad-CMR images supportive of the diagnosis of CS. Eight of these 11 patients met the Japanese Ministry of Health and Welfare (JMHW) criteria for the diagnosis of CS; three abnormal Gad-CME scans consistent with diagnosis of CS were seen in patients who did not meet JMHW criteria. No patients with normal Gad-CMR scan met JMHW criteria for CS. Conclusion: 

These findings suggest that Gad-CMR is potentially superior to the JMHW criteria in the diagnosis of cardiac sarcoidosis.

Keywords: MRI; cardiac; sarcoid

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1445-5994.2008.01674.x

Affiliations: Heart Centre, The Alfred Hospital, Melbourne, Victoria, Australia

Publication date: February 1, 2009

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