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Applications of pulsed Doppler flow mapping to left sided cardiac valvular lesions

The flow mapping procedure has been developed in parallel to the standard pulsed Doppler procedure. It has a different purpose--picking up flow signals at the site of lesions rather than calibrating velocities--and has its own methodology, developed within the last six years. On the basis of invasiv... Full description

Journal Title: International journal of cardiac imaging 1986, Vol.2 (1), p.37-45
Main Author: KALMANSON, D
Other Authors: VEYRAT, C , GOURTCHIGLOUIAN, C , BAS, S , ABITBOL, G
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Kluwer
ID: ISSN: 0167-9899
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recordid: cdi_proquest_miscellaneous_77332083
title: Applications of pulsed Doppler flow mapping to left sided cardiac valvular lesions
format: Article
creator:
  • KALMANSON, D
  • VEYRAT, C
  • GOURTCHIGLOUIAN, C
  • BAS, S
  • ABITBOL, G
subjects:
  • Biological and medical sciences
  • Blood Flow Velocity
  • Cardiology. Vascular system
  • Echocardiography - methods
  • Endocardial and cardiac valvular diseases
  • Female
  • Heart
  • Heart Valve Diseases - diagnosis
  • Humans
  • Male
  • Medical sciences
  • Middle Aged
  • Rheology
ispartof: International journal of cardiac imaging, 1986, Vol.2 (1), p.37-45
description: The flow mapping procedure has been developed in parallel to the standard pulsed Doppler procedure. It has a different purpose--picking up flow signals at the site of lesions rather than calibrating velocities--and has its own methodology, developed within the last six years. On the basis of invasive correlations performed in 267 cases of valvular heart disease, we review the three-fold purpose of the flow mapping technique: diagnosing lesions, relying on the presence of flow anomalies; assessing their severity, relying on the spatial spreading of these flow signals; and identifying the site of the lesion, which is a specific advantage, relying on the anatomical location of these flow signals and/or on the direction of the jets. For example, using this technique, it is now possible to easily differentiate a cusp tear from a leak of a bioprosthesis, to measure the size of the leaks, and to reconstruct the image of aortic or mitral stenotic areas. These optimal results are only obtained using an appropriate methodology which mainly includes a) the selection of adequate two-dimensional short axis planes in order to explore the diseased valve in its entirety, because of frequent assymetrical orifices, and to pick up the jets at their starting point, b) measurements of the abnormal areas, c) when jets are studied, a three dimensional approach is required in order to cope with the three dimensional nature of the jet and to make available the calculation of three dimensional indices of severity.
language: eng
source:
identifier: ISSN: 0167-9899
fulltext: no_fulltext
issn:
  • 0167-9899
  • 1573-0743
url: Link


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titleApplications of pulsed Doppler flow mapping to left sided cardiac valvular lesions
creatorKALMANSON, D ; VEYRAT, C ; GOURTCHIGLOUIAN, C ; BAS, S ; ABITBOL, G
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descriptionThe flow mapping procedure has been developed in parallel to the standard pulsed Doppler procedure. It has a different purpose--picking up flow signals at the site of lesions rather than calibrating velocities--and has its own methodology, developed within the last six years. On the basis of invasive correlations performed in 267 cases of valvular heart disease, we review the three-fold purpose of the flow mapping technique: diagnosing lesions, relying on the presence of flow anomalies; assessing their severity, relying on the spatial spreading of these flow signals; and identifying the site of the lesion, which is a specific advantage, relying on the anatomical location of these flow signals and/or on the direction of the jets. For example, using this technique, it is now possible to easily differentiate a cusp tear from a leak of a bioprosthesis, to measure the size of the leaks, and to reconstruct the image of aortic or mitral stenotic areas. These optimal results are only obtained using an appropriate methodology which mainly includes a) the selection of adequate two-dimensional short axis planes in order to explore the diseased valve in its entirety, because of frequent assymetrical orifices, and to pick up the jets at their starting point, b) measurements of the abnormal areas, c) when jets are studied, a three dimensional approach is required in order to cope with the three dimensional nature of the jet and to make available the calculation of three dimensional indices of severity.
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languageeng
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subjectBiological and medical sciences ; Blood Flow Velocity ; Cardiology. Vascular system ; Echocardiography - methods ; Endocardial and cardiac valvular diseases ; Female ; Heart ; Heart Valve Diseases - diagnosis ; Humans ; Male ; Medical sciences ; Middle Aged ; Rheology
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abstractThe flow mapping procedure has been developed in parallel to the standard pulsed Doppler procedure. It has a different purpose--picking up flow signals at the site of lesions rather than calibrating velocities--and has its own methodology, developed within the last six years. On the basis of invasive correlations performed in 267 cases of valvular heart disease, we review the three-fold purpose of the flow mapping technique: diagnosing lesions, relying on the presence of flow anomalies; assessing their severity, relying on the spatial spreading of these flow signals; and identifying the site of the lesion, which is a specific advantage, relying on the anatomical location of these flow signals and/or on the direction of the jets. For example, using this technique, it is now possible to easily differentiate a cusp tear from a leak of a bioprosthesis, to measure the size of the leaks, and to reconstruct the image of aortic or mitral stenotic areas. These optimal results are only obtained using an appropriate methodology which mainly includes a) the selection of adequate two-dimensional short axis planes in order to explore the diseased valve in its entirety, because of frequent assymetrical orifices, and to pick up the jets at their starting point, b) measurements of the abnormal areas, c) when jets are studied, a three dimensional approach is required in order to cope with the three dimensional nature of the jet and to make available the calculation of three dimensional indices of severity.
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