금속 스텐트 삽입 후 발생한 스텐트 내 재협착의 자연소실 1예
Spontaneous regression of neointimal hyperplasia in a patient who underwent percutaneous coronary intervention with a bare metal stent
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관상동맥에 일반 금속 스텐트를 삽입 후 추적관찰하여 스텐트내 재협착이 자연적으로 감소한다는 연구 결과가 있으나 70% 이상의 스텐트내의 재협착이 자연 퇴행된 예는 보고가 드물다. 저자는 협심증을 주소로 내원한 50세 남자에서 좌전하행지 관상동맥에 일반 금속 스텐트를 삽입하고 스텐트내 90% 재협착이 29개월간 추적관찰 중에 자연적으로 퇴행된 증례를 경험하였기에 문헌고찰과 더불어 보고하는 바이다.
Abstract
Many interventional cardiologists rely upon percutaneous coronary intervention (PCI) with drug-eluting stents (DES), but DES may provoke serious complications, such as stent thrombosis and delayed restenosis. Previous studies of bare metal stent placement showed regression of neointimal proliferation after 6 months. Here, we report the case of a 50-year-old man demonstrating spontaneous regression of neointimal hyperplasia after undergoing PCI with a bare metal stent to treat a middle left anterior descending (LAD) artery lesion. Coronary angiography showed 90% diffuse restenosis at 6 months after stent placement, but the patient refused PCI due to monetary concerns. After 29 months, follow-up angiography revealed spontaneous regression of restenosis in the middle LAD.
참고문헌 (18)
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