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10.1113/jphysiol.2014.272963 http://scihub22266oqcxt.onion/10.1113/jphysiol.2014.272963 C4192704!4192704 !25015922     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=25015922 &cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       J+Physiol 2014 ; 592 (17 ): 3801-12 Nephropedia Template TP {{tp|p=25015922 |t=2014. Genesis of the characteristic pulmonary venous pressure waveform as described by the reservoir-wave model |pdf=|usr=}}{{25015922 }} gab.com Text Genesis of the characteristic pulmonary venous pressure waveform as described by the reservoir-wave model JO: J Physiol http://www.kidney.de/pget.php?&tw=1&pmid=25015922 #FOAvip Conventional haemodynamic analysis of pulmonary venous and left atrial (LA) pressure waveforms yields substantial forward and backward waves throughout the cardiac cycle; the reservoir wave model provides an alternative analysis with minimal waves during diastole. Pressure and flow in a single pulmonary vein (PV) and the main pulmonary artery (PA) were measured in anaesthetized dogs and the effects of hypoxia and nitric oxide, volume loading, and positive-end expiratory pressure (PEEP) were observed. The reservoir wave model was used to determine the reservoir contribution to PV pressure and flow. Subtracting reservoir pressure and flow resulted in 'excess' quantities which were treated as wave-related.Wave intensity analysis of excess pressure and flow quantified the contributions of waves originating upstream (from the PA) and downstream (from the LA and/or left ventricle (LV)).Major features of the characteristic PV waveform are caused by sequential LA and LV contraction and relaxation creating backward compression (i.e.pressure-increasing) waves followed by decompression (i.e. pressure-decreasing) waves. Mitral valve opening is linked to a backwards decompression wave (i.e. diastolic suction). During late systole and early diastole, forward waves originating in the PA are significant. These waves were attenuated less with volume loading and delayed with PEEP. The reservoir wave model shows that the forward and backward waves are negligible during LV diastasis and that the changes in pressure and flow can be accounted for by the discharge of upstream reservoirs. In sharp contrast, conventional analysis posits forward and backward waves such that much of the energy of the forward wave is opposed by the backward wave. Twit Text FOAVip Genesis of the characteristic pulmonary venous pressure waveform as described by the reservoir-wave model ????J Physiol http://www.kidney.de/pget.php?&tw=1&pmid=25015922 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25015922 #FOAvip English Wikipedia <ref>{{Cite pmid|25015922 }}</ref> Genesis of the characteristic pulmonary venous pressure waveform as described by the reservoir-wave model #MMPMID25015922 Bouwmeester JC ; Belenkie I ; Shrive NG ; Tyberg JV J Physiol 2014[Sep]; 592 (17 ): 3801-12 PMID25015922 show ga Conventional haemodynamic analysis of pulmonary venous and left atrial (LA) pressure waveforms yields substantial forward and backward waves throughout the cardiac cycle; the reservoir wave model provides an alternative analysis with minimal waves during diastole. Pressure and flow in a single pulmonary vein (PV) and the main pulmonary artery (PA) were measured in anaesthetized dogs and the effects of hypoxia and nitric oxide, volume loading, and positive-end expiratory pressure (PEEP) were observed. The reservoir wave model was used to determine the reservoir contribution to PV pressure and flow. Subtracting reservoir pressure and flow resulted in 'excess' quantities which were treated as wave-related.Wave intensity analysis of excess pressure and flow quantified the contributions of waves originating upstream (from the PA) and downstream (from the LA and/or left ventricle (LV)).Major features of the characteristic PV waveform are caused by sequential LA and LV contraction and relaxation creating backward compression (i.e.pressure-increasing) waves followed by decompression (i.e. pressure-decreasing) waves. Mitral valve opening is linked to a backwards decompression wave (i.e. diastolic suction). During late systole and early diastole, forward waves originating in the PA are significant. These waves were attenuated less with volume loading and delayed with PEEP. The reservoir wave model shows that the forward and backward waves are negligible during LV diastasis and that the changes in pressure and flow can be accounted for by the discharge of upstream reservoirs. In sharp contrast, conventional analysis posits forward and backward waves such that much of the energy of the forward wave is opposed by the backward wave. |*Blood Pressure [MESH] |*Models, Cardiovascular [MESH] |Animals [MESH] |Blood Flow Velocity [MESH] |Dogs [MESH] |Female [MESH] |Male [MESH] |Mitral Valve/physiology [MESH] |Myocardial Contraction [MESH] |Nitric Oxide/metabolism [MESH] |Oxygen/metabolism [MESH] |Pulmonary Artery/metabolism/physiology [MESH] |Pulmonary Veins/metabolism/*physiology [MESH]Genesis of the characteristic pulmonary venous pressure waveform as de(epmc).pdf DeepDyve Pubget Overpricing