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Transcatheter Aortic Valve Replacement with Minimal Contrast Dye in Patients with Renal Insufficiency

Choi JY, Hong GR, Hong SJ, Shim CY, Ahn CM, Kim JS, Kim BK, Ko YG, Choi D, Jang Y, Hong MK

Purpose: Concerns have been consistently raised in regards to the considerable amount of contrast dye used during transcatheter aortic valve replacement (TAVR) in patients with renal insufficiency. In the present...
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Transcatheter Aortic Valve Replacement versus Sutureless Aortic Valve Replacement: A Single Center Retrospective Cohort Study

Chung YH, Lee SH, Ko YG, Lee S, Shim CY, Ahn CM, Hong GR, Shim JK, Kwak YL, Hong MK

Purpose: This study sought to compare clinical outcomes between transcatheter aortic valve replacement (TAVR) and sutureless aortic valve replacement (SU-AVR). Materials and Methods: In total, 320 patients with symptomatic severe aortic...
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Correlation of Aortic Valve Calcification Volume Using Cardiac-Gated Contrast-Enhanced CT with Aortic Stenosis Severity Using Echocardiographic Indices

Ngam PI, Ong CC, Wui Tay EL, Fatt Hon JK, Liang C, San Teo LL

Objective: The aim of the study is to assess feasibility of using aortic valve calcification volume (AVCV) as a surrogate marker for aortic stenosis (AS) by studying the correlation between...
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Comparison of Transcatheter Aortic Valve Replacement between SelfExpanding versus Balloon-Expandable Valves in Patients with Small Aortic Annulus

Lee YJ, Lee SJ, Hong SJ, Shim CY, Ahn CM, Kim JS, Kim BK, Hong GR, Ko YG, Choi D, Jang Y, Hong MK

Background and Objectives: Transcatheter aortic valve replacement (TAVR) has been reported as a good alternative for surgical aortic valve replacement in patients with small aortic annulus. Head-to-head comparisons of different...
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Progression of ascending aortopathy may not occur after transcatheter aortic valve replacement in severe bicuspid aortic stenosis

Jung JH, Kim HK, Park JB, Lee SP, Koo BK, Kim YJ, Kim HS, Sohn DW

Background/Aims: We evaluated changes in the ascending aorta dimension post-transcatheter aortic valve replacement (TAVR) in bicuspid aortic valve (BiAV) and tricuspid aortic valve (TAV) patients. Methods: Patients with severe aortic stenosis...
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Computed tomography and magnetic resonance imaging assessment of aortic valve stenosis: an update

Choe YH, Kim SM, Park SJ

Computed tomography (CT) and magnetic resonance imaging (MRI) are being increasingly utilized for the evaluation of cardiac valves. Although echocardiography is the first-line imaging modality in the evaluation of aortic...
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Comparing the Procedural and Clinical Outcomes of Sapien XT and Sapien 3 Valves in Transcatheter Aortic Valve Replacement in Korean Patients

Kook H, Jang DH, Yang KS, Joo HJ, Park JH, Hong SJ, Lim DS, Choi SH, Choi YJ, Chang K, Yu CW

Background and Objectives: The Sapien 3 (S3) valve has not been compared to the Sapien XT (SXT) valve in Korea. We compared procedural and clinical outcomes between the 2 devices. Methods:...
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Sinus of Valsalva Thrombosis Detected on Computed Tomography after Transcatheter Aortic Valve Replacement

Lim SJ, Koo HJ, Jung SC, Kang DY, Ahn JM, Park DW, Park SJ, Yang DH, Kang JW

Background and Objectives: Leaflet thrombosis after transcatheter aortic valve replacement (TAVR) has been reported recently, whereas thrombus formation in sinus of Valsalva has yet to be fully evaluated. This study...
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Does a Gradient-Adjusted Cardiac Power Index Improve Prediction of Post-Transcatheter Aortic Valve Replacement Survival Over Cardiac Power Index?

Agasthi P, Pujari SH, Mookadam F, Tseng A, Venepally NR, Wang P, Allam M, Sweeney J, Eleid M, Fortuin FD, Holmes Jr DR, Beohar N, Arsanjani R

Purpose: Cardiac power (CP) index is a product of mean arterial pressure (MAP) and cardiac output (CO). In aortic stenosis, however, MAP is not reflective of true left ventricular (LV)...
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Immediate and Evolutionary Recovery of Left Ventricular Diastolic Function after Transcatheter Aortic Valve Replacement: Comparison with Surgery

Ha SJ, Yoo SY, Hong MK, Hong GR

PURPOSE: We aimed to compare the effect of transcatheter aortic valve replacement (TAVR) and surgical aortic valve replacement (sAVR) on recovery of left ventricular (LV) diastolic function and afterload through...
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Aortic Stenosis and Transcatheter Aortic Valve Implantation: Current Status and Future Directions in Korea

Kim C, Hong MK

Transcatheter aortic valve implantation (TAVI) has been accepted as one of primary options for treatment of symptomatic severe aortic stenosis. Although TAVI has been predominantly used for patients at high...
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Guidelines for Transcatheter Aortic Valve Replacement in Korea: Past Obstacles and Future Perspectives

Choo SJ, Shinn SH, Kim KH, Kim WS, Oh SS, Lee S

BACKGROUND: Analyses of the efficacy and safety of transcatheter aortic valve replacement (TAVR) in most countries have been based on outcomes obtained in accordance with national practice guidelines and monitoring...
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Updates on Transcatheter Aortic Valve Replacement and the Role of Multi-Detector Computed Tomography: What a Radiologist Should Know

Mo YH, Kuo YS, Wang YC, Wu MT

The indications of the transcatheter aortic valve replacement (TAVR) procedure have been widely expanded and the number of cases has significantly increased in the past 15 years due to continued...
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Contrast-free (Zero-contrast) TAVR for Severe Aortic Stenosis in Patient with Chronic Kidney Disease

Choi YJ, Ahn CM, Kim DR, Hong GR, Ko YG, Hong MK

Transcatheter aortic valve replacement (TAVR) or transcatheter aortic valve implantation (TAVI) for severe aortic stenosis (AS) is a minimally invasive interventional procedure that repairs a valve without removing the old,...
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Trends and Outcomes of Transcatheter Aortic Valve Implantation (TAVI) in Korea: the Results of the First Cohort of Korean TAVI Registry

Yu CW, Kim WJ, Ahn JM, Kook H, Kang SH, Han JK, Ko YG, Choi SH, Koo BK, Chang K, Kim HS

BACKGROUND AND OBJECTIVES: There has been no nation-wide data on the outcomes of transcatheter aortic valve implantation (TAVI) after commercialization of TAVI in Korea. We report clinical features and outcomes...
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Expanding transcatheter aortic valve replacement into uncharted indications

Kang G, Kim JB

Since the first-in-man transcatheter delivery of an aortic valve prosthesis in 2002, the landscape of aortic stenosis therapeutics has shifted dramatically. While initially restricted to non-surgical cases, progressive advances in...
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Comparison of the Outcomes between Surgical Aortic Valve Replacement and Transcatheter Aortic Valve Replacement in Patients Aged above 80

Lee JW, Kim J, Jung SH, Chung CH, Lee JW

BACKGROUND: Transcatheter aortic valve replacement (TAVR) has been suggested as a less invasive treatment for high-risk patients with aortic valve disease. In this study, we compared the outcomes of conventional...
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Infective Endocarditis Associated with Transcatheter Aortic Valve Replacement: Potential Importance of Local Trauma for a Deadly Nidus

Lee HS, Lee SP, Jung JH, Kim HM, Kim CH, Park JB, Kim HK, Kim YJ, Kim HS, Sohn DW

Recently, transcatheter aortic valve replacement (TAVR) has emerged as an alternative for the treatment of severe symptomatic aortic stenosis patients. Although experience with TAVR is increasing exponentially, few cases of...
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