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Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)
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Stenting of a left main coronary artery compressed by a dilated main pulmonary artery

Kongkiat Chaikriangkrai1, Venkateshwar Polsani, Liu Wei

  • 1Department of Medicine, the Methodist Hospital, Houston, Texas.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|June 28, 2013
PubMed

Insights

Left main coronary artery (LMCA) disease, caused by pulmonary artery compression, can be treated with stenting. This less invasive approach offers good outcomes for patients with pulmonary hypertension, avoiding risky surgery.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Pulmonary Hypertension

Background:

  • Left main coronary artery (LMCA) disease from external compression by a dilated main pulmonary artery (MPA) is rare.
  • This condition is a reversible cause of chest pain in patients with pulmonary hypertension.
  • Conventional treatment for LMCA disease is coronary artery bypass graft surgery.

Observation:

  • A 54-year-old man presented with pulmonary arterial hypertension causing external compression of the LMCA by a dilated MPA.
  • The patient underwent successful treatment via angiographic and intravascular ultrasound-guided coronary angioplasty and stenting.

Findings:

  • Coronary angioplasty with stenting demonstrates good outcomes for LMCA compression by a dilated MPA.
  • This interventional approach may be a suitable alternative to surgery for high-risk patients.

Implications:

  • Percutaneous coronary intervention offers a less invasive treatment option for this specific cause of LMCA disease.
  • This case highlights the potential of interventional cardiology in managing complex coronary artery issues related to pulmonary conditions.
  • Further research into stenting for MPA-induced LMCA compression is warranted.

Keywords:
acute coronary syndromecoronary artery diseaseintravascular ultrasoundleft main coronary diseasemyocardial infarctionpercutaneous coronary intervention

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