Key result
Initial misdiagnosis occurred in 31% of patients suffering from acute aortic dissection, with myocardial infarction being the most common incorrect diagnosis.
Observational (n=49)
No
Nearly a third of patients with acute aortic dissection are initially misdiagnosed, most commonly as myocardial infarction, highlighting the critical need for high clinical suspicion in the emergency department.
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Supports vigilance for aortic dissection in atypical chest pain; case reports leave incidence and strategies open to prospective study.
BACKGROUND: Acute aortic dissection (AAD) is a life-threatening condition requiring immediate assessment and therapy. A patient suffering from AAD often presents with an insignificant or irrelevant medical history, giving rise to possible misdiagnosis. The aim of this retrospective study is to address the problem of misdiagnosing AD and the different imaging studies used. METHODS: From January 2000 to December 2004, 49 patients (41 men and 8 women, aged from 18-75 years old) presented to the Emergency Department of our hospital for different reasons and finally diagnosed with AAD. Fifteen of those patients suffered from arterial hypertension, one from giant cell arteritis and another patient from Marfan's syndrome. The diagnosis of AAD was made by chest X-ray, contrast enhanced computed tomography (CT), transthoracic echocardiography (TTE) and coronary angiography. RESULTS: Initial misdiagnosis occurred in fifteen patients (31%) later found to be suffering from AAD. The misdiagnosis was myocardial infarction in 12 patients and cerebral infarction in another three patients. CONCLUSION: Aortic dissection may present with a variety of clinical manifestations, like syncope, chest pain, anuria, pulse deficits, abdominal pain, back pain, or acute congestive heart failure. Nearly a third of the patients found to be suffering from AD, were initially otherwise diagnosed. Key in the management of acute aortic dissection is to maintain a high level of suspicion for this diagnosis.
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Asouhidou et al. (2009) conducted an observational in Acute aortic dissection (n=49). Clinical assessment and diagnostic imaging was evaluated on Initial misdiagnosis rate. Initial misdiagnosis occurred in 31% of patients suffering from acute aortic dissection, with myocardial infarction being the most common incorrect diagnosis.
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