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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
- 2015.1
- 수록면
- 211 - 218 (8page)
이용수
초록· 키워드
오류제보하기
Background: After left atrial appendage (LAA) device closure, peri-device leakage into the LAA persists due to incompleteocclusion. We hypothesized that pre-procedural three-dimensional (3D) geometric analysis of the interatrial septum (IAS) and LAAorifice can predict this leakage. We investigated the predictive parameters of LAA device closure obtained from baseline cardiaccomputerized tomography (CT) using a novel 3D analysis system.
Methods: We conducted a retrospective study of 22 patients who underwent LAA device closure. We defined peri-device leakageas the presence of a Doppler signal inside the LAA after device deployment (group 2, n = 5) compared with patients withoutperi-device leakage (group 1, n = 17). Conventional parameters were measured by cardiac CT. Angles θ and φ were defined betweenthe IAS plane and the line, linking the LAA orifice center and foramen ovale.
Results: Group 2 exhibited significantly better left atrial (LA) function than group 1 (p = 0.031). Pre-procedural θ was alsolarger in this group (41.9° vs. 52.3°, p = 0.019). The LAA cauliflower-type morphology was more common in group 2. Overall,the patients’ LA reserve significantly decreased after the procedure (21.7 mm3 vs. 17.8 mm3, p = 0.035). However, we observed nosignificant interval changes in pre- and post-procedural values of θ and φ in either group (all p > 0.05).
Conclusion: Angles between the IAS and LAA orifice might be a novel anatomical parameter for predicting peri-device leakageafter LAA device closure. In addition, 3D CT analysis of the LA and LAA orifice could be used to identify clinically favorable candidatesfor LAA device closure.
목차
등록된 정보가 없습니다.
참고문헌 (17)
참고문헌 신청
Aryana A / 2012 / Left atrial appendage occlusion and ligation devices: what is available, how to implement them, and how to manage and avoid complications / Curr Treat Optio
Bai R / 2012 / Intraprocedural and long-term incomplete occlusion of the left atrial appendage following placement of the WATCHMAN device : a single center experience / J Ca
Blendea D / 2011 / Analysis of the left atrial appendage morphology by intracardiac echocardiography in patients with atrial fibrillation / J Interv Card Electrophysiol 31 :
De Backer O / 2014 / Percutaneous left atrial appendage occlusion for stroke prevention in atrial fibrillation : an update / Open Heart 1 : 000020 ~
Di Biase L / 2012 / Does the left atrial appendage morphology correlate with the risk of stroke in patients with atrial fibrillation? Results from a multicenter study / J Am
Bai R / 2012 / Intraprocedural and long-term incomplete occlusion of the left atrial appendage following placement of the WATCHMAN device : a single center experience / J Ca
Blendea D / 2011 / Analysis of the left atrial appendage morphology by intracardiac echocardiography in patients with atrial fibrillation / J Interv Card Electrophysiol 31 :
De Backer O / 2014 / Percutaneous left atrial appendage occlusion for stroke prevention in atrial fibrillation : an update / Open Heart 1 : 000020 ~
Di Biase L / 2012 / Does the left atrial appendage morphology correlate with the risk of stroke in patients with atrial fibrillation? Results from a multicenter study / J Am
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