{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T05:17:30Z","timestamp":1774934250865,"version":"3.50.1"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2023,5,3]],"date-time":"2023-05-03T00:00:00Z","timestamp":1683072000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2023,5,3]],"date-time":"2023-05-03T00:00:00Z","timestamp":1683072000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100005788","name":"Medical University of Vienna","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100005788","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Med Syst"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Despite recent design improvements, human factors issues continue to challenge left ventricular assist device (LVAD) therapy. The aim of this study was to evaluate user experience of former non-HeartMate 3 (HM3) LVAD patients post heart transplantation (HTX) and laypersons (LP) with HM3 LVAD peripherals in simulated everyday and emergency scenarios.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>This single center cohort study included untrained HTX and LP. Seven scenarios, including battery exchanges (without alarm, advisory alarm, dim light, consolidated bag), change of power supply, driveline dis-\/reconnection and controller exchange were simulated. Subjects\u2019 gaze behavior was recorded using eye tracking technology. Success rate, pump-off-time, duration to success (DTS), percental fixation duration per areas of interest and post-scenario-survey results were defined as outcome measures.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Thirty subjects completed 210 scenarios, initially solving 82.4% (HTX vs. LP, p\u2009=\u20091.00). Changing power supply revealed highest complexity (DTS\u2009=\u2009251\u2009\u00b1\u200993s, p\u2009=\u20090.76): 26.7% succeeded at first attempt (p\u2009=\u20090.68), 56.7% at second attempt, with significantly more LP failing (p\u2009=\u20090.04), resulting in 10 hazards from driveline disconnections (pump-off-time 2-118s, p\u2009=\u20090.25). Comparison on initial success showed differences in fixation durations for seven areas of interest (p\u2009&lt;\u20090.037). Decreasing DTS during battery exchanges (p\u2009&lt;\u20090.001) indicate high learnability. Exchanging batteries within the bag took longer (median DTS\u2009=\u200975.0 (IQR\u2009=\u200945.0)s, p\u2009=\u20090.09), especially in elderly subjects (r\u2009=\u20090.61, p\u2009&lt;\u20090.001). Subjects with less initial success were more afraid of making mistakes (p\u2009=\u20090.048).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>This eye tracking based human factors study provided insights into user experiences in handling HM3 peripherals. It highlights unintuitive and hazardous characteristics, providing guidance for future user-centered design of LVAD wearables.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s10916-023-01950-3","type":"journal-article","created":{"date-parts":[[2023,5,3]],"date-time":"2023-05-03T09:02:32Z","timestamp":1683104552000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Human Factors Evaluation of HeartMate 3 Left Ventricular Assist Device Peripherals: An Eye Tracking Supported Simulation Study"],"prefix":"10.1007","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4762-5035","authenticated-orcid":false,"given":"Gregor","family":"Widhalm","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1871-1834","authenticated-orcid":false,"given":"Theodor","family":"Abart","sequence":"additional","affiliation":[]},{"given":"Moritz","family":"Noeske","sequence":"additional","affiliation":[]},{"given":"Lisa","family":"Kumer","sequence":"additional","affiliation":[]},{"given":"Katharina","family":"Ebenberger","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5735-3216","authenticated-orcid":false,"given":"Clemens","family":"Atteneder","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8775-2405","authenticated-orcid":false,"given":"Angelika","family":"Berger","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7257-110X","authenticated-orcid":false,"given":"G\u00fcnther","family":"Laufer","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2055-8293","authenticated-orcid":false,"given":"Dominik","family":"Wiedemann","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2185-4895","authenticated-orcid":false,"given":"Daniel","family":"Zimpfer","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8003-7617","authenticated-orcid":false,"given":"Heinrich","family":"Schima","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0982-2310","authenticated-orcid":false,"given":"Michael","family":"Wagner","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4354-4860","authenticated-orcid":false,"given":"Thomas","family":"Schl\u00f6glhofer","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2023,5,3]]},"reference":[{"key":"1950_CR1","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1007\/978-3-030-47809-4_9","volume-title":"Mechanical Support for Heart Failure","author":"P Bhat","year":"2020","unstructured":"Bhat P, Starling RC (2020) Patient Population and Selection Criteria for Mechanical Circulatory Support. 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All subjects provided written informed consent to participate and to publish pseudo-anonymized or anonymized data.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}},{"value":"TS consultant and advisor (Medtronic Inc., Abbott Inc. and CorWave SA), and research grants (Medtronic Inc., Abbott Inc., and CorWave SA). DW proctor and consultant (Abbott Inc.), and advisor (Xenios\/Fresenius Medical Care). DZ proctor, advisor, and speaker (Medtronic Inc., Abbott Inc., Berlin Heart, Edwards, Abiomed), and research and travel grants (Medtronic Inc. and Abbott Inc.). HS advisor (Medtronic Inc.), and research grants (Medtronic Inc.). All other authors have nothing to disclose.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"58"}}