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[Uhl's anomaly. A case report]
Ana María Cadavid Betancur1, Luis H Díaz Medina, Rafael Lince Varela
1Centro Cardiovascular Colombiano, Clínica Santa María, Instituto de Alta Tecnología Médica de Antioquia (IATM), Medellin, Colombia. acadavidb@epm.net.co
Insights
Uhl's anomaly, a rare heart condition, involves a thin-walled, dilated right ventricle. This case study presents a 10-year-old girl diagnosed with this condition, highlighting limited treatment options and poor prognosis.
Area of Science:
- Cardiology
- Developmental Biology
- Pathology
Background:
- Uhl's anomaly is a rare cardiomyopathy defined by right ventricular (RV) dilation and thinned walls due to absent myocardium.
- Etiology may involve embryological developmental alterations or extensive apoptosis in the RV myocardium.
- Clinical presentation typically includes heart failure, diagnosed via echocardiography and magnetic resonance imaging (MRI).
Observation:
- A 10-year-old girl presented with six months of chest pain and reduced exercise tolerance.
- Diagnostic imaging revealed echocardiographic and MRI findings consistent with Uhl's anomaly.
- The patient's symptoms suggest a significant impact on cardiovascular function.
Findings:
- The presented case exhibits classic diagnostic features of Uhl's anomaly.
- The condition is associated with poor response to medical management and limited therapeutic strategies.
- Surgical interventions, including cardiac transplant, have been described but offer a poor prognosis.
Implications:
- This case underscores the challenges in managing Uhl's anomaly, particularly in pediatric patients.
- The rarity and poor prognosis highlight the need for further research into effective treatments.
- Understanding the underlying pathobiology is crucial for developing novel therapeutic approaches.
Abstract:
Uhl's anomaly is a rare cardiomyopathy characterized by a thin walled dilated right ventricle due to the absence of myocardium. This could be due to an alteration in embriological development or the presence of massive apoptosis in the right ventricle myocardium. It generally manifests as cardiac failure, and the diagnosis is made by echocardiography and magnetic resonance. The response to medical treatment is poor and there is no known ideal treatment. Isolated cases of different surgical options have been described that include cardiac transplant, but there is still a poor prognosis and a high mortality rate. The case of a 10 year old girl with six months of thoracic pain and decreased exercise tolerance with echocardiographic and resonance findings characteristic of Uhl's anomaly is presented.