Giant coronary aneurysms with multiple vascular aneurysms: a rare manifestation of hyperhomocysteinemia

A Wong1, M Naik, C Chan

  • 1Department of Cardiovascular Medicine, National Heart Centre, Singapore.

Insights

Hyperhomocysteinemia, a risk factor for vascular disease, is linked to coronary artery aneurysms in a rare case. This finding suggests a broader association between high homocysteine levels and diverse vascular pathologies.

Area of Science:

  • Cardiovascular Medicine
  • Vascular Biology
  • Metabolic Disorders

Background:

  • Hyperhomocysteinemia is a known risk factor for accelerated atherosclerosis and premature vascular disease.
  • Previous studies have linked elevated homocysteine levels to various vascular aneurysms.
  • Coronary artery aneurysms have not been previously associated with hyperhomocysteinemia.

Observation:

  • A patient with diagnosed hyperhomocysteinemia presented with multiple vascular aneurysms.
  • The patient exhibited a giant coronary artery aneurysm.
  • Peripheral vascular aneurysms were also identified in the same patient.

Findings:

  • This case report details the first known instance of a giant coronary artery aneurysm associated with hyperhomocysteinemia.
  • The co-occurrence of coronary and peripheral aneurysms in a hyperhomocysteinemic patient highlights a potential pattern of vascular fragility.
  • The findings suggest that hyperhomocysteinemia may contribute to the development of aneurysms in both central and peripheral arteries.

Implications:

  • This case broadens the understanding of vascular complications associated with hyperhomocysteinemia.
  • It suggests that patients with hyperhomocysteinemia may be at increased risk for coronary artery aneurysms.
  • Further research is warranted to explore the mechanisms linking hyperhomocysteinemia to coronary and peripheral aneurysms and to inform clinical screening protocols.

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