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A case report and analysis of hypertrophic obstructive cardiomyopathy causing an illusion of aortic stenosis

Ying Wang1, Yue Ming Zhang2, Jing Guang Dong2

  • 1Department of Nursing, Weifang Medical College.

Medicine
|December 19, 2018
PubMed

Insights

Hypertrophic obstructive cardiomyopathy can mimic aortic stenosis on imaging, leading to potential misdiagnosis. Early and accurate differentiation is crucial for appropriate patient management and treatment.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Cardiovascular Diseases

Background:

  • Reporting a rare case where hypertrophic obstructive cardiomyopathy (HOCM) mimicked aortic stenosis on diagnostic imaging.
  • Highlighting the diagnostic challenges in differentiating HOCM from aortic stenosis.

Observation:

  • A 71-year-old woman presented with symptoms suggestive of aortic stenosis.
  • Multiple imaging modalities including echocardiography and MRI indicated severe aortic stenosis and left ventricular outflow tract stenosis.
  • Intraoperative findings revealed no aortic valve pathology, prompting a revised diagnosis.

Findings:

  • The patient was ultimately diagnosed with hypertrophic obstructive cardiomyopathy.
  • The imaging findings, initially interpreted as aortic stenosis, were determined to be an illusion caused by HOCM.

Implications:

  • Emphasizes the need for careful clinical correlation and advanced imaging interpretation to avoid misdiagnosis between HOCM and aortic stenosis.
  • Suggests that specific diagnostic strategies may be required to reliably distinguish these two conditions.
  • Underscores the importance of considering HOCM in the differential diagnosis of apparent aortic stenosis, especially in the absence of clear valvular lesions.
Abstract

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