Background: Malignant cardiac neoplasms (MCNs), both primary and metastatic, are rare with few epidemiologic studies.
Methods: This retrospective study used the Healthcare Utilization Project/Nationwide Inpatient Sample database from 2002 to 2018 to evaluate the co-occurrences with other malignancies, and mortality of MCNs in the USA.
Results: The data contained 7207 weighted discharges of MCN. Median patient age was 51.4 years, 52.29 % were male, in-hospital mortality was 10.51 %, mean cost of hospitalization was $34,280 USD. Lung, mediastinum, and airways were the most common primary cancers associated with metastatic MCN.
Conclusions: MCN are rare in the USA, however they carry a high in-hospital mortality, high morbidity, and hospital cost.
Keywords: Epidemiology; Malignant cardiac neoplasms; United States of America.
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