지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.4
- 수록면
- 325 - 332 (8page)
- DOI
- 10.3349/ymj.2022.63.4.325
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초록· 키워드
오류제보하기
Purpose: To compare the results of computed tomography angiography (CTA), transesophageal echocardiography (TEE), anddigital subtraction angiography (DSA) measurements and analyze their accuracy, correlation, and consistency in patients whohave successfully undergone left atrial appendage closure (LAAC).
Materials and Methods: A total of 157 non-valvular atrial fibrillation (AF) patients who underwent LAAC with Watchman deviceswere included in the study. The maximum diameter and depth of LAA were recorded using CTA, TEE, and DSA. Correlations andagreements were compared.
Results: The LAAC procedure was performed successfully in all patients using the Watchman device. There was no significantdifference between DSA and TEE measurements of the diameter of the LAA ostium. LAA ostium diameter obtained by CTA,however, was greater than that from DSA and TEE. Correlations were good between LAA ostium diameter measured by TEE,CTA, and DSA and Watchman device size. DSA measurements and actual device size showed the widest limits of agreement, followedby TEE; CTA measurements showed the narrowest limits of agreement. For LAA depth measurements, mean CTA measurementswere higher than those of TEE and DSA. There was no significant difference in depth measurements among the threeimaging modalities.
Conclusion: CTA, TEE, and DSA measurements exhibited good correlations with Watchman device size. The ostium diameterand depth of the LAA measured by CTA were greater than those measured by TEE and DSA. The relevance and concordance ofCTA measurements were the strongest.
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