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Related Experiment Videos

Double-chambered right ventricle presenting in adulthood.

D B McElhinney1, K M Chatterjee, V M Reddy

  • 1Division of Cardiothoracic Surgery, University of California, San Francisco, USA. mcelhinney@email.chop.edu

The Annals of Thoracic Surgery
|August 2, 2000
PubMed
Summary

Adults rarely develop double-chambered right ventricle, a form of right ventricular outflow tract obstruction. This condition can cause unusual symptoms like syncope and dyspnea, requiring surgical intervention for improved outcomes.

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Cerebral cortex (New York, N.Y. : 1991)·2012

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Adult Congenital Heart Disease

Background:

  • Double-chambered right ventricle (DRCV) is a rare congenital anomaly causing right ventricular outflow tract obstruction.
  • Typically diagnosed in childhood, DRCV in adults is infrequently reported and often presents with atypical symptoms.

Observation:

  • Three adult patients (38, 43, 66 years) presented with syncope, angina, or severe dyspnea.
  • Two patients had coexisting atrial septal defects, and one had a ventricular septal defect.
  • Symptoms mimicked pulmonary hypertension, leading to delayed diagnosis.

Findings:

  • Patients presented with New York Heart Association (NYHA) class III or IV heart failure.
  • Urgent surgery involved resection of anomalous muscle bundles via a right atrial approach.

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  • Post-operative follow-up showed improved functional status in all patients.

    • Implications:

    • Adult-onset DRCV, though rare, necessitates a high index of suspicion in patients with right heart failure symptoms.
    • Comprehensive echocardiography, including subcostal views, is crucial for diagnosing DRCV.
    • Prompt surgical management can significantly improve outcomes in affected adults.