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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 209 - 214 (6page)
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Purpose: Acute coronary occlusion is a rare but fatal complication that may occur during trans-catheter aortic valve implantation (TAVI) and appears more frequently in patients with low coronary heights. We evaluated the feasibility of self-expanding valves in patients with low coronary heights undergoing TAVI. Materials and Methods: TAVI for native aortic valve stenosis was conducted in 276 consecutive patients between 2015 and 2019 at our institute. Using multi-detector computed tomography (MDCT), information on the aortic valve, coronary arteries, and vascular anatomy in 269 patients was analyzed. Patients with low coronary heights were defined as those with coronary heights of 10 mm or less during MDCT analysis. Results: Among the 269 patients, 29 (10.8%) patients had coronary arteries with low heights. The mean coronary height was 8.9±1.2 mm in the left coronary artery. These patients with low coronary heights were treated with self-expandable (n=28) or balloon-expandable (n=1) valves. Prophylactic coronary protection with a guidewire, balloon, or stent prepositioned down at-risk coronary arteries was not pursued in all patients. No acute coronary occlusion occurred in any of these patients during TAVI. Five patients (17.9%) died during follow-up (average of 553.8 days), including four from non-cardiogenic causes and one from a cardiogenic (aggravation of heart failure) cause. Conclusion: A considerable number of patients with low coronary heights were observed among TAVI candidates in this study. Use of a self-expandable valve may be feasible for successful TAVI without acute coronary occlusion in patients with low coronary heights
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참고문헌 (24)
참고문헌 신청
Smith CR / 2011 / Transcatheter versus surgical aortic-valve replacement in high-risk patients / N Engl J Med 364:2187~2198
Adams DH / 2014 / Transcatheter aortic-valve replacement with a self-expanding prosthesis / N Engl J Med 370:1790~1798
Leon MB / 2016 / Transcatheter or surgical aortic-valve replacement in intermediate-risk patients / N Engl J Med 374:1609~1620
Reardon MJ / 2017 / Surgical or transcatheter aortic-valve replacement in intermediate-risk patients / N Engl J Med 376:1321~1331
Mack MJ / 2019 / Transcatheter aortic-valve replacement with a balloon-expandable valve in low-risk patients / N Engl J Med 380:1695~1705
Adams DH / 2014 / Transcatheter aortic-valve replacement with a self-expanding prosthesis / N Engl J Med 370:1790~1798
Leon MB / 2016 / Transcatheter or surgical aortic-valve replacement in intermediate-risk patients / N Engl J Med 374:1609~1620
Reardon MJ / 2017 / Surgical or transcatheter aortic-valve replacement in intermediate-risk patients / N Engl J Med 376:1321~1331
Mack MJ / 2019 / Transcatheter aortic-valve replacement with a balloon-expandable valve in low-risk patients / N Engl J Med 380:1695~1705
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