[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Aakhus et al., 1994 - Google Patents

A new method for echocardiographic computerized three-dimensional reconstruction of left ventricular endocardial surface: in vitro accuracy and clinical repeatability …

Aakhus et al., 1994

View PDF
Document ID
12913635738928782137
Author
Aakhus S
Mæhle J
Bjoemstad K
Publication year
Publication venue
Journal of the American Society of Echocardiography

External Links

Snippet

This study evaluates the in vitro accuracy and clinical repeatability of volumes derived by a new algorithm for three-dimensional reconstruction of cavity surfaces based on echocardiographic apical images obtained by probe rotation. The accuracy of the method …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. micro-bubbles introduced into the bloodstream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications
    • A61B6/507—Clinical applications involving determination of haemodynamic parameters, e.g. perfusion CT
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A61B8/065—Measuring blood flow to determine blood output from the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/13—Tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/02755—Radioactive tracers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30048—Heart; Cardiac

Similar Documents

Publication Publication Date Title
Gopal et al. Normal values of right ventricular size and function by real-time 3-dimensional echocardiography: comparison with cardiac magnetic resonance imaging
Nesser et al. Quantitation of right ventricular volumes and ejection fraction by three‐dimensional echocardiography in patients: comparison with magnetic resonance imaging and radionuclide ventriculography
Geiser et al. Dynamic three-dimensional echocardiographic reconstruction of the intact human left ventricle: technique and initial observations in patients
Parisi et al. Approaches to determination of left ventricular volume and ejection fraction by real‐time two‐dimensional echocardiography
Chukwu et al. Relative importance of errors in left ventricular quantitation by two-dimensional echocardiography: insights from three-dimensional echocardiography and cardiac magnetic resonance imaging
Jiang et al. Three-dimensional echocardiography. In vivo validation for right ventricular volume and function.
Kircher et al. Left atrial volume determination by biplane two-dimensional echocardiography: validation by cine computed tomography
Pandian et al. Dynamic three‐dimensional echocardiography: Methods and clinical potential
Rodevand et al. Left atrial volumes assessed by three-and two-dimensional echocardiography compared to MRI estimates
Sugeng et al. Left ventricular assessment using real time three dimensional echocardiography
Hubka et al. Three-dimensional echocardiographic measurement of left and right ventricular mass and volume: in vitro validation
Sugeng et al. Real‐time three‐dimensional echocardiography using a novel matrix array transducer
Salustri et al. Ultrasonic three-dimensional reconstruction of the heart
Pini et al. Transthoracic three-dimensional echocardiographic reconstruction of left and right ventricles: in vitro validation and comparison with magnetic resonance imaging
Aakhus et al. A new method for echocardiographic computerized three-dimensional reconstruction of left ventricular endocardial surface: in vitro accuracy and clinical repeatability of volumes
Fujimoto et al. Estimation of the right ventricular volume and ejection fraction by transthoracic three-dimensional echocardiography
Takuma et al. Assessment of left ventricular function by real-time 3-dimensional echocardiography compared with conventional noninvasive methods
Siu et al. Three-dimensional echocardiography improves noninvasive assessment of left ventricular volume and performance
King et al. Three-dimensional echocardiography. Advances for measurement of ventricular volume and mass.
Pflugfelder et al. Comparison of cine MR imaging with Doppler echocardiography for the evaluation of aortic regurgitation
Fenster et al. 3D ultrasound imaging of the carotid arteries
Jiang et al. Three-dimensional echocardiographic reconstruction of right ventricular volume: in vitro comparison with two-dimensional methods
Leotta et al. Quantitative three-dimensional echocardiography by rapid imaging from multiple transthoracic windows: in vitro validation and initial in vivo studies
Acar et al. Left ventricular ejection fraction in children measured by three-dimensional echocardiography using a new transthoracic integrated 3D-probe: a comparison with equilibrium radionuclide angiography
Fulton et al. Dynamic three‐dimensional echocardiographic imaging of congenital heart defects in infants and children by computer‐controlled tomographic parallel slicing using a single integrated ultrasound instrument