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Highly effective compensatory mechanisms in a 76-year-old man with a coarctation of the aorta
O Miró1, S Jiménez, J González
1Department of Internal Medicine, Hospital Clínic, Barcelona, Spain. omiro@medicina.ub.es
Insights
This study reports a rare case of coarctation of the aorta diagnosed at age 76. The patient survived due to extensive collateral circulation, highlighting a remarkable compensatory mechanism.
Area of Science:
- Cardiology
- Medical Case Reports
Background:
- Coarctation of the aorta (CA) is a congenital narrowing of the aortic arch.
- Untreated CA typically leads to severe complications and reduced lifespan.
Observation:
- A 76-year-old male presented with coarctation of the aorta.
- He exhibited extensive collateral circulation, compensating for the aortic narrowing.
- The patient remained asymptomatic throughout his life, unrelated to CA.
Findings:
- This case represents exceptional long-term survival with untreated coarctation of the aorta.
- Only 11 prior cases of patients with CA surviving into their 70s have been documented.
- The patient's survival was attributed to a highly effective compensatory collateral circulation.
Implications:
- This case underscores the potential for significant collateralization to sustain circulation in severe congenital heart defects.
- It expands the understanding of long-term outcomes in untreated coarctation of the aorta.
- Further research into the mechanisms of collateral development in CA may offer new therapeutic insights.
Abstract:
We present a man who was diagnosed with coarctation of the aorta (CA) at the age of 76. He had developed an extensive collateral circulation for maintaining the circulation below the CA. This compensatory mechanism was highly effective, since the patient had remained asymptomatic and in good health during most of his life. He died from intrahospitalary pneumonia, unrelated to CA. Long-term survival in patients with untreated CA is exceptional, with only 11 patients living into their 70s being previously reported. A review of these cases is included.