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A New Method for Aortic Valve Planimetry with High-Resolution 3-Dimensional MRI and Its Comparison with Conventional Cine MRI and Echocardiography for Assessing the Severity of Aortic Valvular Stenosis

Kim HJ, Choe YH, Kim SM, Kim EK, Lee M, Park SJ, Ahn J, Carriere KC

Objective: We aimed to compare the aortic valve area (AVA) calculated using fast high-resolution three-dimensional (3D) magnetic resonance (MR) image acquisition with that of the conventional two-dimensional (2D) cine MR...
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Planimetric Measurement of the Regurgitant Orifice Area Using Multidetector CT for Aortic Regurgitation: a Comparison with the Use of Echocardiography

Jeon MH, Choe YH, Cho SJ, Park SW, Park PW, Oh JK

OBJECTIVE: This study compared the area of the regurgitant orifice, as measured by the use of multidetector-row CT (MDCT), with the severity of aortic regurgitation (AR) as determined by the...
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Reproducibility Among Residents in Evaluating Cup-disc Ratio Using Computer-aided Planimetry

Lee SG, Kim YI, Lee JH

  • KMID: 2206749
  • J Korean Ophthalmol Soc.
  • 2003 Dec;44(12):2816-2822.
PURPOSE: To investigate the intra-observer agreement and inter-observer agreement among observers assessing optic disc cup-disc ratio of glaucoma patients. METHODS: Fifty stereoscopic optic disc photographs of patients with glaucoma were...
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The Accuracy of Aortic Valve Area Determined by Transesophageal Echocardiography using Direct Planimetry According to the Changes of Cardiac Output and Left Ventricular Ejection Fraction

Jin SW, Kim CJ, Kim HY, Park JW, Jeon DS, Youn HJ, Park JC, Rho TH, Chae JS, Kim JH, Hong SJ, Choi KB

> BACKGROUND: The accuracy of flow-related changes in aortic valve area (AVA) determined by the Gorlin formula or the continuity equation remains disputable. However, anatomic AVA can be determined by using...
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Accuracy of mitral valve area in patients with mitral stenosis measured by echocardiography : Compared with operative mitral valve area

Han CY, Kim KS, Han SW, Hur SH, Bae JH, Kim YN, Kim KB

BACKGROUND: Measurement of echocardiographic mitral valve area (MVA) is an useful noninvasive method of estimating the stenotic mitral valve area. This study was undertaken to evaluate the accuracy of echocardiographic...
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Reproducibility of Optic Disc Measurements with Computer Graphic Program

Uhm KB, Kim TW

  • KMID: 2205120
  • J Korean Ophthalmol Soc.
  • 1995 Sep;36(9):1548-1554.
Computerized image analysis of simultaneous stereoscopic videographic images has been used to study structural parameters of the optic nerv head. Although these instruments are of great interest as research tools,...
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Optic Disc Measurements with Personal Computer in Normal Eyes

Lee JS, Uhm KB

  • KMID: 2205151
  • J Korean Ophthalmol Soc.
  • 1995 Oct;36(10):1760-1769.
Quantification of the optic nerve head topography is getting more and more important in diagnosis, differential diagnosis and follow-up of optic nerve diseases, especially in glaucoma. This study was undartaken...
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