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| Description
| - The mid‑diastolic transmitral flow (L wave) and the mid‑diastolic mitral annular motion (L' wave) are associated with increased left ventricle filling pressures in patients with left ventricle hypertrophy and atrial fibrillation. The aim of this study was to assess the significance of L and L' waves in dilated cardiomyopathy patients and its relation to pulmonary capillary wedge pressure. Methods: Idiopathic dilated cardiomyopathy patients scheduled for right heart catheterization were enrolled in the study. Echocardiography was performed simultaneously with pulmonary capillary pressure measurement. The L wave was regarded as a flow towards the apex that occurs after the early and before the late transmitral filling waves. Similarly, an L' wave was considered a negative motion after the early diastolic mitral annular motion and before the late mitral annular motion. Results: 66 dilated cardiomyopathy patients and 14 healthy volunteers were examined. The L wave was present in six (9%) dilated cardiomyopathy patients and was not found in any of the healthy volunteers. Patients with an L wave (n = 5) had significantly higher pulmonary capillary wedge pressures than patients who did not have an L wave (n = 43, p = 0.015) after 18 patients with heart rates above or equal to 80 were excluded. An L' wave was observed in 17 patients and in six healthy volunteers. There was no significant difference between pulmonary capillary wedge pressure in the group of patients with and without an L' wave. Conclusion: In dilated cardiomyopathy patients with lower heart rates, the L wave is associated with elevated LV filling pressures.
- The mid‑diastolic transmitral flow (L wave) and the mid‑diastolic mitral annular motion (L' wave) are associated with increased left ventricle filling pressures in patients with left ventricle hypertrophy and atrial fibrillation. The aim of this study was to assess the significance of L and L' waves in dilated cardiomyopathy patients and its relation to pulmonary capillary wedge pressure. Methods: Idiopathic dilated cardiomyopathy patients scheduled for right heart catheterization were enrolled in the study. Echocardiography was performed simultaneously with pulmonary capillary pressure measurement. The L wave was regarded as a flow towards the apex that occurs after the early and before the late transmitral filling waves. Similarly, an L' wave was considered a negative motion after the early diastolic mitral annular motion and before the late mitral annular motion. Results: 66 dilated cardiomyopathy patients and 14 healthy volunteers were examined. The L wave was present in six (9%) dilated cardiomyopathy patients and was not found in any of the healthy volunteers. Patients with an L wave (n = 5) had significantly higher pulmonary capillary wedge pressures than patients who did not have an L wave (n = 43, p = 0.015) after 18 patients with heart rates above or equal to 80 were excluded. An L' wave was observed in 17 patients and in six healthy volunteers. There was no significant difference between pulmonary capillary wedge pressure in the group of patients with and without an L' wave. Conclusion: In dilated cardiomyopathy patients with lower heart rates, the L wave is associated with elevated LV filling pressures. (en)
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| Title
| - Mid-diastolic flow and mid-diastolic mitral annular motion - relation to pulmonary capillary wedge pressure in dilated cardiomyopathy patients
- Mid-diastolic flow and mid-diastolic mitral annular motion - relation to pulmonary capillary wedge pressure in dilated cardiomyopathy patients (en)
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| skos:prefLabel
| - Mid-diastolic flow and mid-diastolic mitral annular motion - relation to pulmonary capillary wedge pressure in dilated cardiomyopathy patients
- Mid-diastolic flow and mid-diastolic mitral annular motion - relation to pulmonary capillary wedge pressure in dilated cardiomyopathy patients (en)
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| skos:notation
| - RIV/00159816:_____/13:00060752!RIV14-MZ0-00159816
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00159816:_____/13:00060752
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - mitral valve; pulsed; Doppler; echocardiography; dilated; tissue Doppler echocardiography diastolic dysfunction MeSH: cardiomyopathy; triphasic mitral flow pattern (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Špinarová, Lenka
- Krejčí, Jan
- Meluzín, Jaroslav
- Hude, Petr
- Podroužková, Helena
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| issn
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| number of pages
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