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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Using ultrasonography to detect loss of muscle mass in the hospitalized geriatric population

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Abstract Background and purpose Hospital admission for older patients has been linked to loss of muscle mass and function, and the former can be measured with ultrasonography during hospitalization. Methods Two studies were carried out. In Study 1, 69 patients' (85 ± 8 years) activity level was measured with ActivPal and quadriceps thickness measured twice with ultrasonography during hospitalization. In Study 2, 10 older patients (85 ± 8 years) and 10 healthy young subjects (23 ± 2 years) had their quadriceps thickness measured on two consecutive days with ultrasonography that included a pressure calibrator. Results In Study 1, the results revealed that the older patients had a reduction in thigh muscle thickness together with very low levels of activity level during hospitalization. Patients with a 95% inactivity level had a 7.0% reduction. In Study 2, ultrasonographic measurements were performed using a pressure calibrator, and these results yielded very good reproducibility. Typical error was 1.7% for the young and 7.2% for the old persons. This high reproducibility and low error improve the ability to detect significant changes over time. Conclusion Improving the ultrasonography method including use of a pressure calibrator can result in greater reproducibility.
Original languageEnglish
JournalTranslational Sports Medicine
Volume2
Issue number5
Pages (from-to)287-293
Number of pages7
ISSN2573-8488
DOIs
Publication statusPublished - 1 Sep 2019

Bibliographical note

doi: 10.1002/tsm2.90

    Research areas

  • activity level, pressure calibrator, reproducibility, ultrasonography

ID: 58992493