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Test of simulator-based assessment of psychomotor skill in transthoracic echo
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Clinical Physiology.
2018 (English)In: Clinical Physiology and Functional Imaging, ISSN 1475-0961, E-ISSN 1475-097X, Vol. 38, no 6, p. 994-999Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: We developed a transthoracic echo simulator that measures technical skill in image acquisition in terms of the deviation angle between an acquired image and the anatomically correct plane for that view. We studied whether this metric reflects the clinical experience of providers.

METHODS: Attendees at an echo course or at the annual meeting of the Swedish Heart Association were invited to test themselves on the simulator by scanning a mannequin and acquiring four views in 15 min: parasternal long axis (pLAX) in patient 1, apical four chamber and apical long axis (aLAX) in patient 2 and pLAX in patient 3. Their experience with echo was assessed from duration in years and procedure volume in the past year. Image acquisition error was assessed from the deviation angle.

RESULTS: , P<0·001); both had similar duration of experience (9 ± 8 versus 12 ± 11 years, P = NS). The deviation angle for aLAX (55 ± 37 degrees) was higher than for any other view (P<0·00001). aLAX was the only view whose deviation angle correlated significantly with experience and only with procedure volume (r = -0·357, P = 0·008).

CONCLUSIONS: These results demonstrate that deviation angle, a novel metric of technical skill in image acquisition, reflects clinical experience. Simulator-based testing provides objective and quantitative assessment that may be of value in the certification of trainees and for maintenance of certification.

Place, publisher, year, edition, pages
John Wiley & Sons, 2018. Vol. 38, no 6, p. 994-999
Keywords [en]
echocardiography, examination, medical education, psychomotor skill, simulation, ultrasound
National Category
Other Clinical Medicine Physiology
Identifiers
URN: urn:nbn:se:umu:diva-145430DOI: 10.1111/cpf.12514ISI: 000446073500011PubMedID: 29498471OAI: oai:DiVA.org:umu-145430DiVA, id: diva2:1187429
Available from: 2018-03-05 Created: 2018-03-05 Last updated: 2018-10-31Bibliographically approved

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Lindqvist, Per

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CiteExportLink to record
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