Angiographic findings in homocystinuria
Insights
Homocystinuria, a metabolic disorder, can cause vascular issues beyond typical symptoms. Arteriography revealed arterial abnormalities like aneurysms and narrowing in two affected sisters, highlighting vascular complications in homocystinuria.
Area of Science:
- Biochemistry
- Vascular Medicine
- Genetics
Background:
- Homocystinuria (HC) is an inherited metabolic disorder affecting amino acid processing.
- Classic symptoms include ectopia lentis, intellectual disability, and skeletal issues.
- Vascular complications, though less common, are increasingly recognized in HC patients.
Observation:
- This study details arteriographic findings in two sisters diagnosed with homocystinuria.
- Vascular abnormalities were identified in multiple arterial beds in both individuals.
- Specific observations included renal, celiac, superior mesenteric, carotid, and splenic artery changes.
Findings:
- The younger sister exhibited renal artery irregularities and aneurysms, alongside narrowing of the celiac and superior mesenteric arteries.
- The older sister presented with irregular right carotid and splenic arteries, including a splenic aneurysm.
- These findings demonstrate significant arterial disease in patients with homocystinuria.
Implications:
- The study underscores the importance of considering vascular complications in the management of homocystinuria.
- Early detection and monitoring of vascular abnormalities may be crucial for patient outcomes.
- Further research into the pathogenesis of vascular disease in HC is warranted.
Abstract:
Homocystinuria (HC) is an inborn error of amino acid metabolism characterized by ectopia lentis, mental retardation, and skeletal abnormalities. Vascular disorders may also occur in HC, although they are less common. Arteriographic studies of two sisters with HC are described. The younger woman's renal arteries showed wall irregularities and aneurysms, narrowing of the celiac and superior mesenteric arteries, and some aneurysmatic changes. In the older patient, irregular right carotid and splenic arteries were seen and a splenic aneurysm was present.
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