Journal of molecular and cellular cardiology plus · 2025
Cardiac magnetic resonance imaging and cardiac scintigraphy in the diagnosis of cardiac amyloidosis: A meta-analysis of 4866 patients.
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Balata Mahmoud, M Attia Abdelrahman, Gbreel Mohamed Ibrahim, Elsmaan Mamdouh, Hassan Marwa, Rapeanu Paul, Marinova Milka, Becher Marc Ulrich, Ebeid Islam, Ortak Jasmin, Ince Hüseyin
Аннотация
INTRODUCTION: Cardiac amyloidosis (CA) impacts about 20 % of elderly heart failure patients, leading to myocardial dysfunction and life-threatening risks. However, it often remains undetected due to the significant risks associated with invasive biopsies. This highlights the critical need for safer and accurate non-invasive diagnostic techniques.
AIM: To compare the diagnostic value of Cardiac Magnetic Resonance (CMR) imaging and Cardiac Scintigraphy Imaging in the diagnosis of CA.
METHODS: A comprehensive literature search across PubMed, Scopus, Web of Science, and Cochrane databases yielded studies that utilized CMR or cardiac scintigraphy for diagnosing CA. QUADAS-2 was employed for quality assessment.
RESULTS: From 7117 records, 35 studies involving 4866 patients were analyzed. Cardiac scintigraphy demonstrated higher sensitivity and specificity across different radiotracers, with 99mTc-HMDP showing the highest specificity (1.00, 95 % CI: 0.93-1.00) and 99mTc-DPD the highest sensitivity (0.93, 95 % CI: 0.89-0.95). CMR imaging showed variable diagnostic accuracy with a sensitivity of 0.83 (95 % CI: 0.81-0.85) and a lower specificity of only 0.53 (95 % CI: 0.50-0.56).
CONCLUSION: Cardiac scintigraphy, particularly with 99mTc-HMDP, offers superior diagnostic accuracy for CA compared to CMR imaging. Controlled, randomized, prospective studies directly comparing these non-invasive techniques are essential to validate these findings.
AIM: To compare the diagnostic value of Cardiac Magnetic Resonance (CMR) imaging and Cardiac Scintigraphy Imaging in the diagnosis of CA.
METHODS: A comprehensive literature search across PubMed, Scopus, Web of Science, and Cochrane databases yielded studies that utilized CMR or cardiac scintigraphy for diagnosing CA. QUADAS-2 was employed for quality assessment.
RESULTS: From 7117 records, 35 studies involving 4866 patients were analyzed. Cardiac scintigraphy demonstrated higher sensitivity and specificity across different radiotracers, with 99mTc-HMDP showing the highest specificity (1.00, 95 % CI: 0.93-1.00) and 99mTc-DPD the highest sensitivity (0.93, 95 % CI: 0.89-0.95). CMR imaging showed variable diagnostic accuracy with a sensitivity of 0.83 (95 % CI: 0.81-0.85) and a lower specificity of only 0.53 (95 % CI: 0.50-0.56).
CONCLUSION: Cardiac scintigraphy, particularly with 99mTc-HMDP, offers superior diagnostic accuracy for CA compared to CMR imaging. Controlled, randomized, prospective studies directly comparing these non-invasive techniques are essential to validate these findings.