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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Toumanidis, S. T. | en |
| dc.contributor.author | Sideris, D. A. | en |
| dc.contributor.author | Papamichael, C. M. | en |
| dc.contributor.author | Moulopoulos, S. D. | en |
| dc.date.accessioned | 2015-11-24T19:29:31Z | - |
| dc.date.available | 2015-11-24T19:29:31Z | - |
| dc.identifier.issn | 0001-5385 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/22976 | - |
| dc.rights | Default Licence | - |
| dc.subject | Adolescent | en |
| dc.subject | Adult | en |
| dc.subject | Aged | en |
| dc.subject | Aged, 80 and over | en |
| dc.subject | Echocardiography/methods | en |
| dc.subject | Female | en |
| dc.subject | Heart Failure/physiopathology/ultrasonography | en |
| dc.subject | Humans | en |
| dc.subject | Male | en |
| dc.subject | Middle Aged | en |
| dc.subject | Mitral Valve/*physiology/ultrasonography | en |
| dc.subject | Mitral Valve Insufficiency/physiopathology/ultrasonography | en |
| dc.subject | Movement/physiology | en |
| dc.subject | Reference Values | en |
| dc.subject | Ventricular Function, Left/*physiology | en |
| dc.title | The role of mitral annulus motion in left ventricular function | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.secondary | http://www.ncbi.nlm.nih.gov/pubmed/1523914 | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής | el |
| heal.publicationDate | 1992 | - |
| heal.abstract | The dynamics between mitral annulus motion and left ventricular function were studied. Thirty subjects (10 normals, 10 with severe cardiac failure and 10 with mitral regurgitation) were examined. Left ventricular long and short-axis dimensions were measured in a two-dimensional apical four-chamber image. A volume was calculated as defined by cardiac cyclic changes of mitral annulus in size and motion. This volume had the approximate geometric configuration of a truncuated cone and was covered by mitral annulus motion at enddiastole and endsystole. Left ventricular ejection fraction was calculated echocardiographically using the prolate ellipsoid/area-length method. The volume defined by mitral annulus motion was 24 ml in normals, 16 ml in patients with cardiac failure and 48 ml in patients with mitral regurgitation while the ejection fraction was 51%, 19% and 53% respectively. Comparison between the volume of the truncuated cone and the ejection fraction in all 30 subjects revealed a statistically significant correlation (p less than 0.01). Thus, the bigger the volume determined by the mitral annulus motion during systole, the larger portion of the left ventricle is "atrialized", and a higher ejection fraction follows. Mitral annulus motion may provide new information about cardiac mechanics in normal and abnormal conditions. | en |
| heal.journalName | Acta Cardiol | en |
| heal.journalType | peer-reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ | |
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