{"id":{"repo_id":"wfu","oai_identifier":"oai:wakespace.lib.wfu.edu:10339/33458"},"canonical_url":"https://search.dev.ndltd.org/etd/wfu/oai:wakespace.lib.wfu.edu:10339/33458","repository":{"repo_id":"wfu","name":"Wake Forest University","base_url":"https://wakespace.lib.wfu.edu/oai/request"},"display":{"title":"A Novel Method to Assess Pulse Wave Velocity using Single Velocity Encoding in Phase Contrast Imaging","abstract":"The measurement of pulse wave velocity (PWV) using conventional phase contrast magnetic resonance imaging (PC-MRI) is recognized as a standard technique to assess arterial stiffness by measuring the arrival times of blood velocity waveforms. Conventional PC-MRI requires the acquisition of two sets of complex images with different velocity sensitivities or encodings. The two sets of phase images are then subtracted to yield a final quantitative velocity image independent of background phases, i.e. non flow related phase variations stemming from the magnetic field inhomogeneities. However, the acquisition of two sets of images represents a significant increase in scan time (or reduce in temporal resolution), thus limiting its application for PWV assessment.","abstract_html":"The measurement of pulse wave velocity (PWV) using conventional phase contrast magnetic resonance imaging (PC-MRI) is recognized as a standard technique to assess arterial stiffness by measuring the arrival times of blood velocity waveforms. Conventional PC-MRI requires the acquisition of two sets of complex images with different velocity sensitivities or encodings. The two sets of phase images are then subtracted to yield a final quantitative velocity image independent of background phases, i.e. non flow related phase variations stemming from the magnetic field inhomogeneities. However, the acquisition of two sets of images represents a significant increase in scan time (or reduce in temporal resolution), thus limiting its application for PWV assessment.","abstract_has_math":false,"creators":["Upreti, Asim"],"institution":"Wake Forest University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011","date_published":"2011","updated_at":"2026-07-27T22:01:14Z","subjects":["arterial stiffness"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10339/33458","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Upreti, Asim"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2011-07-14T20:35:38Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2012-01-14T09:30:12Z"]},{"key":"dc:date.issued","label":"Date","values":["2011"]},{"key":"dc:publisher","label":"Institution","values":["Wake Forest University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["arterial stiffness"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10339/33458"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The measurement of pulse wave velocity (PWV) using conventional phase contrast magnetic resonance imaging (PC-MRI) is recognized as a standard technique to assess arterial stiffness by measuring the arrival times of blood velocity waveforms. Conventional PC-MRI requires the acquisition of two sets of complex images with different velocity sensitivities or encodings. The two sets of phase images are then subtracted to yield a final quantitative velocity image independent of background phases, i.e. non flow related phase variations stemming from the magnetic field inhomogeneities. However, the acquisition of two sets of images represents a significant increase in scan time (or reduce in temporal resolution), thus limiting its application for PWV assessment."]},{"key":"dc:title","label":"Title","values":["A Novel Method to Assess Pulse Wave Velocity using Single Velocity Encoding in Phase Contrast Imaging"]}]}],"canonical_facts":{"dc:creator":["Upreti, Asim"],"dc:date.accessioned":["2011-07-14T20:35:38Z"],"dc:date.available":["2012-01-14T09:30:12Z"],"dc:date.issued":["2011"],"dc:description.abstract":["The measurement of pulse wave velocity (PWV) using conventional phase contrast magnetic resonance imaging (PC-MRI) is recognized as a standard technique to assess arterial stiffness by measuring the arrival times of blood velocity waveforms. Conventional PC-MRI requires the acquisition of two sets of complex images with different velocity sensitivities or encodings. The two sets of phase images are then subtracted to yield a final quantitative velocity image independent of background phases, i.e. non flow related phase variations stemming from the magnetic field inhomogeneities. However, the acquisition of two sets of images represents a significant increase in scan time (or reduce in temporal resolution), thus limiting its application for PWV assessment."],"dc:identifier.uri":["http://hdl.handle.net/10339/33458"],"dc:language.iso":["en"],"dc:publisher":["Wake Forest University"],"dc:subject":["arterial stiffness"],"dc:title":["A Novel Method to Assess Pulse Wave Velocity using Single Velocity Encoding in Phase Contrast Imaging"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T22:01:14Z"}