Journal
JOURNAL OF CARDIAC FAILURE
Volume 27, Issue 9, Pages 925-933Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.cardfail.2021.05.014
Keywords
Heart failure; diagnosis; misdiagnosis; systematic review
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Heart failure (HF) misdiagnosis is common, often mistaken for chronic obstructive pulmonary disease (COPD). Conditions such as anemia and chronic kidney disease may increase the likelihood of unrecognized left ventricular systolic dysfunction. In addition to COPD, obesity, old age, atrial fibrillation, and ischemic heart disease are also common factors in the misdiagnosis of HF.
Background: Heart failure (HF) is a chronic disease associated with a significant burden to patients, families, and health services. The diagnosis of HF can be easily missed owing to similar symptoms with other conditions especially respiratory diseases. Methods and Results: We conducted a systematic review to determine the rates of HF and cardiomyopathy misdiagnosis and explored the potential causes. The included studies were narratively synthesized. Ten studies were identified including a total of 223,859 patients. There was a lack of definition of HF misdiagnosis in the studies and inconsistent diagnostic criteria were used. The rates of HF misdiagnosis ranged from 16.1% in hospital setting to 68.5% when general practitioner referred patients to specialist setting. The most common cause for misdiagnosis was chronic obstructive pulmonary disease (COPD). One study using a COPD cohort showed that HF was unrecognized in 20.5% of patients and 8.1% had misdiagnosis of HF as COPD. Another study suggests that anemia and chronic kidney disease are associated with an increase in the odds of unrecognized left ventricular systolic dysfunction. Other comorbidities such as obesity, old age, atrial fibrillation, and ischemic heart disease are prevalent in patients with a misdiagnosis of HF. Conclusions: The misdiagnosis of HF is an unfortunate part of everyday clinical practice that occurs with a variable rate depending on the population studied. HF is frequently misdiagnosed as COPD. More research is needed to better understand the missed opportunities to correctly diagnose HF so that harm to patients can be avoided and effective treatments can be implemented.
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