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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
- 2019.1
- 수록면
- 173 - 180 (8page)
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초록· 키워드
오류제보하기
Background and Objectives: Decreased left atrial appendage (LAA) emptying velocity in transesophageal echocardiography (TEE) is related with higher incidence of thrombus and increased risk of stroke. Patients with valve disease are at higher risk of thrombus formation before and after surgery. The aim of this study was to investigate the role of 4-dimensional cardiac computed tomography (4DCT) to predict the risk of thrombus formation. Methods: Between March 2010 to March 2015, total of 62 patients (mean 60±15 years old, male: 53.2%) who underwent 4DCT and TEE for cardiac valve evaluation before surgery were retrospectively included in the current study. Fractional area change in TEE view and emptying velocity at left atrial appendage in TEE view (VeTEE) were measured. Ejection fraction (EF) of left atrial appendage in computed tomography (EFCT) was calculated by 4DCT with full volume analysis. The best cut-off value of EFCT predicting presence of spontaneous echo contrast (SEC) or thrombus was evaluated, and correlation between the parameters were also estimated. Results: SEC or thrombus was observed in 45.2%. EFCT and VeTEE were significantly correlated (r=0.452, p<0.001). However, fractional area change measured by TEE showed no correlation with VeTEE (r=0.085, p=0.512). EFCT <37.5% best predicted SEC or thrombus in the patients with valve disease who underwent 4DCT and TEE (area under the curve, 0.654; p=0.038). Conclusions: In the patients who underwent 4DCT for cardiac valve evaluation before surgery, EFCT by volume analysis might have additional role to evaluate LAA function and estimate the risk of thrombus.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Handke M / 2005 / Left atrial appendage flow velocity as a quantitative surrogate parameter for thromboembolic risk : determinants and relationship to spontaneous echocontrast and thrombus formation--a transesophageal echocardiographic study in 500 patients with cerebral ischemia / J Am Soc Echocardiogr 18:1366~1372
Delgado V / 2009 / Assessment of mitral valve anatomy and geometry with multislice computed tomography / JACC Cardiovasc Imaging 2:556~565
Jilaihawi H / 2012 / Cross-sectional computed tomographic assessment improves accuracy of aortic annular sizing for transcatheter aortic valve replacement and reduces the incidence of paravalvular aortic regurgitation / J Am Coll Cardiol 59:1275~1286
Messé SR / 2014 / Stroke after aortic valve surgery : results from a prospective cohort / Circulation 129:2253~2261
Russo A / 2008 / Thromboembolic complications after surgical correction of mitral regurgitation incidence, predictors, and clinical implications / J Am Coll Cardiol 51:1203~1211
Delgado V / 2009 / Assessment of mitral valve anatomy and geometry with multislice computed tomography / JACC Cardiovasc Imaging 2:556~565
Jilaihawi H / 2012 / Cross-sectional computed tomographic assessment improves accuracy of aortic annular sizing for transcatheter aortic valve replacement and reduces the incidence of paravalvular aortic regurgitation / J Am Coll Cardiol 59:1275~1286
Messé SR / 2014 / Stroke after aortic valve surgery : results from a prospective cohort / Circulation 129:2253~2261
Russo A / 2008 / Thromboembolic complications after surgical correction of mitral regurgitation incidence, predictors, and clinical implications / J Am Coll Cardiol 51:1203~1211
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