Three-Dimensional Quantitation of Mitral Valve Coaptation by a Novel Software System with Transthoracic Real-Time Three-Dimensional Echocardiography

Tsukiji, Miwako; Watanabe, Nozomi; Yamaura, Yasuko; Okahashi, Nobuyuki; Obase, Kikuko; Neishi, Yoji; Toyota, Eiji; Kawamoto, Takahiro; Okura, Hiroyuki; Ogasawara, Yasuo; Yoshida, Kiyoshi

doi:10.1016/j.echo.2007.05.023

Cited by 38 publications

(29 citation statements)

References 16 publications

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“…Hence it might be not accurate in shape distorted post-infarction left ventricles. The era of 3-D echocardiography has started potentially leading to new insights into LV remodeling, mitral apparatus shape and function [22]. Nonetheless the 3-D method is still on its way and is far for being validated, standardized and widely applied in the clinical practice [23].…”

Section: Limitations Of the Studymentioning

confidence: 99%

Does preoperative tethering symmetry affect left ventricular reverse remodeling after restrictive annuloplasty?

Gelsomino

Lorusso

Cicco

et al. 2010

International Journal of Cardiology

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Section: Limitations Of the Studymentioning

confidence: 99%

Does preoperative tethering symmetry affect left ventricular reverse remodeling after restrictive annuloplasty?

Gelsomino

Lorusso

Cicco

et al. 2010

International Journal of Cardiology

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“…The zone of coaptation, approximately 5 to 10 mm in height, resulting from anterior and posterior leaflet apposition, is demonstrated optimally in surgical views by 3DE. Quantification of the coaptation index by 3D imaging has diagnostic relevance in assessing normalization of valve geometry and function after annuloplasty (8). The cavoconvex line of closure between the leaflets does not extend to the annulus, but rather ends at the junctions of both mitral leaflets, forming the posteromedial and anterolateral commissures.…”

Section: Mitral Valvementioning

confidence: 99%

Valvular Heart Disease

Lang

Tsang

Weinert

et al. 2011

Journal of the American College of Cardiology

109

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Significant advances in 3-dimensional echocardiography (3DE) technology have ushered its use into clinical practice. The recent advent of real-time 3DE using matrix array transthoracic and transesophageal transducers has resulted in improved image spatial resolution, and therefore, enhanced visualization of the pathomorphological features of the cardiac valves compared with previously used sparse array transducers. It has enabled an unparalleled real-time visualization of valves and subvalvular anatomic features from a single volume acquisition without the need for offline reconstruction. On-cart or offline post-processing using commercially available and custom 3-dimensional analysis software allows the quantification of multiple parameters, such as orifice area, prolapse height and volume in mitral valve disease, area of the left ventricular outflow tract, and tricuspid annular geometry. In this review, we discuss the incremental role of 3DE in evaluating valvular anatomic features, volumetric quantification, pre-surgical planning, intraprocedural guidance, and post-procedural assessment of valvular heart disease.

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“…Under the literature advice [33][34][35][36][37][38][39][40][41][42][43], the linear motor should run easily with a law of motion as smooth as possible in order to avoid vibrations and other undesired effects associated with the presence of compliances and inertias [24,[44][45][46]. For measuring the pressure and flow were used respectively the sensor SEN-3284 B045 by KOBOLD ® and the flowmeter FLOMAG 3000 (model A3); signals were acquired with NI USB-6009 by National Instrument and signal processing was performed with a dedicated program developed with Labview [47].…”

Section: Testbenchmentioning

confidence: 99%

Test Bench Simulator for Heart Valves

Petrogalli

Mor

2016

MATEC Web of Conferences

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Abstract. The objective of this research is the creation of a testing bench prototype for comparing different types of heart valves, taking into account the variability of some important parameters involved in cardiovascular events. Thanks to performed tests and to obtained data, the comparison between the different valves allows physicians to make the most appropriate choice of heart valve for each patient. The study is still in preliminary stage: it is necessary to do many tests in order to obtain a large amount of data with which it is possible to proceed with the development and implementation of a testing bench stable and easily programmable.

show abstract

Three-Dimensional Quantitation of Mitral Valve Coaptation by a Novel Software System with Transthoracic Real-Time Three-Dimensional Echocardiography

Cited by 38 publications

References 16 publications

Does preoperative tethering symmetry affect left ventricular reverse remodeling after restrictive annuloplasty?

Does preoperative tethering symmetry affect left ventricular reverse remodeling after restrictive annuloplasty?

Valvular Heart Disease

Test Bench Simulator for Heart Valves

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