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Article Abstract
Background: Cardiac masses represent a heterogeneous clinical scenario. Potential electrocardiographic (ECG) red flags of malignancy remain to be investigated.
Objectives: The purpose of this study was to describe the spectrum of ECG abnormalities in a large cohort of cardiac masses and to evaluate potential red flags suggestive of malignancy.
Methods: This was an observational cohort study of 322 consecutive patients with a cardiac mass and available ECG at Bologna University Hospital. All masses were diagnosed by histologic examination or, in the case of cardiac thrombi, by radiologic resolution after proper anticoagulant therapy. Multivariable regression analysis was used to assess potential predictors of malignancy among ECG abnormalities. All-cause mortality at follow-up was evaluated.
Results: Of 322 patients, 98 (30.4%) had malignant tumors. Compared with patients with benign masses, those with malignant tumors exhibited a higher heart rate, right-axis deviation, greater depolarization, repolarization abnormalities, and bradyarrhythmia at presentation. Regarding specific ECG features, a higher heart rate on admission (P = .014), bradyarrhythmias (P = .009), ischemic-like repolarization abnormalities (ST-segment deviation, both depression and elevation, and negative T-wave; P <.001), low voltages (P = .001), and right-axis deviation (P = .025) were identified as independent predictors of malignancy. Considering these specific ECG alterations, a malignancy-oriented ECG was associated with higher mortality at follow-up (median 20.7 months).
Conclusion: ECG frequently is abnormal in cases of malignant cardiac tumors. Some specific ECG changes are strongly suggestive for malignancy and type of infiltration.
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| http://dx.doi.org/10.1016/j.hrthm.2024.06.035 | DOI Listing |
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