1.How Could Pre-Procedural Imaging Guide Successful Left Atrial Appendage Closure?.
Journal of Cardiovascular Ultrasound 2015;23(4):209-210
No abstract available.
Atrial Appendage*
2.Computed Tomography for Assessment of Left Atrial Appendage Function
Korean Circulation Journal 2019;49(2):181-182
No abstract available.
Atrial Appendage
3.A Left Atrial Appendage Phantom Structure.
Christodoulos E PAPADOPOULOS ; Athanasios FOTOGLIDIS ; Efstathios PAGOURELIAS ; Vassilios VASSILIKOS
Journal of Cardiovascular Ultrasound 2016;24(2):172-173
No abstract available.
Atrial Appendage*
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Pericardial Effusion
4.A Case of Congenital Left Atrial Appendage Aneurysm.
Chi Sook MOON ; Min Young HER ; Woo Seon SEO ; Soo Ryong JEONG ; Kil Hyun CHO ; Dae Kyeong KIM ; Doo Il KIM ; Dong Soo KIM
Journal of the Korean Society of Echocardiography 2002;10(2):55-59
No abstract available.
Aneurysm*
;
Atrial Appendage*
6.Congenital Absence of the Left Atrial Appendage: An Unexpected and Incidental Anomaly in a Patient with Multiple Cerebellar Infarctions.
Chonnam Medical Journal 2018;54(2):133-134
No abstract available.
Atrial Appendage*
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Humans
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Infarction*
9.A Study of the Usefulness of Apical Rotation Method of the Transducer for the Visualization of the Left Atrial Appendage.
Jae Yong CHUNG ; Kyoung Sig CHANG ; Bo Yeol RYU ; Sung Whan MO ; Tae Jong KIM ; Cheo Ho MOON ; Young Kei CHIN ; Yoo Whan PARK ; Seung Il LEE ; Soon Pyo HONG
Korean Journal of Medicine 1997;52(6):771-779
OBJECTIVES: Visualization of the left atrial appendage(LAA) by the transesophageal echocardiography(TEE) is excellent, but it is difficult to visualize the LAA by the modified parasternal short-axis view(MPSA) in transthoracic echocardiography(TTE). We studied to determine the usefulness of the apical horizontal view(AHV) abtained by the apical rotation method of the transducer for the detection of the LAA. METHODS: We studied the MPSA and AHV in 602 patients, The LAA was observed during diastole of the LAA. We obtained an apical horizontal view by 45 degree clockwise rotation of the transducer from the apical 2 chamber view and compared with the visualization of the LAA in AHV and MPSA. RESULTS: Among 602 patients, LAA could not be visualized in 88(14.6%) because of a poor echo-window. LAA was more clearly visualized in 222 patients by the AHV than the MPSA and 56 patients by the MPSA than the AHV. LAA was same degree visualization in patients by the AHV and MPSA. In male and female, more than 55 ages and less than 55 ages, visualization of inner margin of the LAA by the AHV was more clear than by the MPSA. CONCLUSION: The AHV was a useful, noninvasive and reproducible method for the visualization of the LAA.
Atrial Appendage*
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Diastole
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Female
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Humans
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Male
;
Transducers*
10.Predicting Peri-Device Leakage of Left Atrial Appendage Device Closure Using Novel Three-Dimensional Geometric CT Analysis.
Hyemoon CHUNG ; Byunghwan JEON ; Hyuk Jae CHANG ; Dongjin HAN ; Hackjoon SHIM ; In Jeong CHO ; Chi Young SHIM ; Geu Ru HONG ; Jung Sun KIM ; Yangsoo JANG ; Namsik CHUNG
Journal of Cardiovascular Ultrasound 2015;23(4):211-218
BACKGROUND: After left atrial appendage (LAA) device closure, peri-device leakage into the LAA persists due to incomplete occlusion. We hypothesized that pre-procedural three-dimensional (3D) geometric analysis of the interatrial septum (IAS) and LAA orifice can predict this leakage. We investigated the predictive parameters of LAA device closure obtained from baseline cardiac computerized 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 leakage as the presence of a Doppler signal inside the LAA after device deployment (group 2, n = 5) compared with patients without peri-device leakage (group 1, n = 17). Conventional parameters were measured by cardiac CT. Angles theta and phi were defined between the 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 theta was also larger in this group (41.9degrees vs. 52.3degrees, 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 no significant interval changes in pre- and post-procedural values of theta and phi 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 leakage after LAA device closure. In addition, 3D CT analysis of the LA and LAA orifice could be used to identify clinically favorable candidates for LAA device closure.
Atrial Appendage*
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Foramen Ovale
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Humans
;
Retrospective Studies
Result Analysis
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