{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T20:12:06Z","timestamp":1771963926995,"version":"3.50.1"},"reference-count":40,"publisher":"The Royal Society","issue":"3","license":[{"start":{"date-parts":[[2011,3,2]],"date-time":"2011-03-02T00:00:00Z","timestamp":1299024000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":["royalsocietypublishing.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,6,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>This study presents a numerical simulation of cardiovascular response in the heart failure condition under the support of a Berlin Heart INCOR impeller pump-type ventricular assist device (VAD). The model is implemented using the CellML modelling language. To investigate the potential of using the Berlin Heart INCOR impeller pump to produce physiologically meaningful arterial pulse pressure within the various physiological constraints, a series of VAD-assisted cardiovascular cases are studied, in which the pulsation ratio and the phase shift of the VAD motion profile are systematically changed to observe the cardiovascular responses in each of the studied cases. An optimization process is proposed, including the introduction of a cost function to balance the importance of the characteristic cardiovascular variables. Based on this cost function it is found that a pulsation ratio of 0.35 combined with a phase shift of 200\u00b0 produces the optimal cardiovascular response, giving rise to a maximal arterial pulse pressure of 12.6 mm Hg without inducing regurgitant pump flow while keeping other characteristic cardiovascular variables within appropriate physiological ranges.<\/jats:p>","DOI":"10.1098\/rsfs.2010.0039","type":"journal-article","created":{"date-parts":[[2011,7,12]],"date-time":"2011-07-12T12:47:50Z","timestamp":1310474870000},"page":"320-337","update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":21,"title":["Computational modelling and evaluation of cardiovascular response under pulsatile impeller pump support"],"prefix":"10.1098","volume":"1","author":[{"given":"Yubing","family":"Shi","sequence":"first","affiliation":[{"name":"University of Sheffield 1 , ,"},{"name":"Sheffield S10 2RX, UK 1 , ,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alistair G.","family":"Brown","sequence":"additional","affiliation":[{"name":"University of Sheffield 1 , ,"},{"name":"Sheffield S10 2RX, UK 1 , ,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia V.","family":"Lawford","sequence":"additional","affiliation":[{"name":"University of Sheffield 1 , ,"},{"name":"Sheffield S10 2RX, UK 1 , ,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreas","family":"Arndt","sequence":"additional","affiliation":[{"name":"Berlin Heart GmbH, Wiesenweg 10, 12247 Berlin, Germany 2"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Nuesser","sequence":"additional","affiliation":[{"name":"Berlin Heart GmbH, Wiesenweg 10, 12247 Berlin, Germany 2"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. 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