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Test of simulator-based assessment of psychomotor skill in transthoracic echo
Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Klinisk fysiologi.
2018 (engelsk)Inngår i: Clinical Physiology and Functional Imaging, ISSN 1475-0961, E-ISSN 1475-097X, Vol. 38, nr 6, s. 994-999Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
John Wiley & Sons, 2018. Vol. 38, nr 6, s. 994-999
Emneord [en]
echocardiography, examination, medical education, psychomotor skill, simulation, ultrasound
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-145430DOI: 10.1111/cpf.12514ISI: 000446073500011PubMedID: 29498471OAI: oai:DiVA.org:umu-145430DiVA, id: diva2:1187429
Tilgjengelig fra: 2018-03-05 Laget: 2018-03-05 Sist oppdatert: 2018-10-31bibliografisk kontrollert

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