Cardiac abnormalities in patients with diffuse malignant pleural mesothelioma

Area of Science:

• Cardiology
• Oncology
• Pulmonology

Background:

• Malignant pleural mesothelioma often presents with symptoms like dyspnea and chest pain.
• Differentiating cardiac symptoms from pleuropulmonary disease in mesothelioma patients is clinically challenging.

Purpose of the Study:

• To define clinical characteristics of cardiac involvement in malignant pleural mesothelioma.
• To assess the utility of electrocardiography (EKG) and echocardiography in diagnosing cardiac issues in these patients.

Main Methods:

• Retrospective review of EKG and echocardiographic findings in 64 biopsy-proven malignant pleural mesothelioma patients.
• Analysis of autopsy data from 19 of these patients to confirm cardiac invasion.

Main Results:

• EKG abnormalities were present in 89% of patients, with arrhythmias (60%) and conduction abnormalities (37%) being common.
• Echocardiography identified pericardial effusions in 13 patients and pericardial thickening in two.
• Autopsy confirmed cardiac invasion in 74% of cases, affecting the pericardium and myocardium.

Conclusions:

• Clinical cardiac abnormalities are prevalent in the majority of malignant pleural mesothelioma patients.
• Pathologic cardiac invasion is common in malignant pleural mesothelioma.
• EKG and echocardiography are valuable tools for identifying cardiac involvement in mesothelioma, aiding differentiation from pulmonary disease.