Key result
DES PCI precipitates rapid 80% ostial LMCA stenosis within weeks of implantation.
Why the study?
The pathogenesis and clinical implications of ostial left main coronary artery stenosis following previous PCI on the left coronary artery remain unclear and underreported.
Case Report (n=1)
No
Raises caution for early ostial left main restenosis after DES PCI; leaves open incidence, mechanisms, and surveillance needs.
A 76-year-old patient was admitted to hospital due to recurrent chest pain. Angiography revealed multivessel coronary artery disease with significant stenosis in medial and distal parts of the left main coronary artery (LMCA). Two drug-eluting stents (DES) were implanted from the medial part of the LMCA to the proximal part of the left anterior descending (LAD) artery. An excellent angiographic result was achieved. After 20 days the patient returned to our clinic because of acute coronary syndrome (ACS). Angiography showed 80% stenosis in the ostial LMCA. The lesion was stented with DES, obtaining a good angiographic result.
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Mencel et al. (2013) conducted a case report in Multivessel coronary artery disease with significant LMCA stenosis (n=1). Percutaneous coronary intervention with drug-eluting stents was evaluated. A 76-year-old man developed 80% ostial stenosis of the left main coronary artery 20 days after undergoing percutaneous coronary intervention with drug-eluting stents.
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