J Telemed Telecare - Expert visual guidance of ultrasound for telemedicine.

Tópicos

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Resumo

Expert visual guidance (EVG) is computer assistance that displays to the examiner how the image plane moves towards (or away from) a desired anatomical location as the ultrasound probe is manipulated over the patient's body. We tested whether EVG by a remote expert could assist inexperienced examiners in acquiring abdominal ultrasound images. The inexperienced examiners were 20 medical students, who were randomly assigned to verbal instruction alone (Group 1) or to EVG (Group 2). The examiners were tested on their ability to visualize the abdominal aorta and the right kidney. Group 2 was more successful in identifying specified anatomy in longitudinal and cross-sectional views of the aorta (95 vs. 75%, P = 0.032) and kidney (98 vs. 88%, P = 0.09). The groups succeeded equally well in obtaining a true cross-sectional view of the aorta. Kidney length was also similar when measured by the two groups. The results demonstrate that an inexperienced ultrasonographer can be significantly assisted by EVG compared to verbal instruction alone. This could be useful for tele-mentoring in rural hospitals as well as for teaching, both in person and at a remote site.

Resumo Limpo

expert visual guidanc evg comput assist display examin imag plane move toward away desir anatom locat ultrasound probe manipul patient bodi test whether evg remot expert assist inexperienc examin acquir abdomin ultrasound imag inexperienc examin medic student random assign verbal instruct alon group evg group examin test abil visual abdomin aorta right kidney group success identifi specifi anatomi longitudin crosssect view aorta vs p kidney vs p group succeed equal well obtain true crosssect view aorta kidney length also similar measur two group result demonstr inexperienc ultrasonograph can signific assist evg compar verbal instruct alon use telementor rural hospit well teach person remot site

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