ArticleZeitschrift fur Gerontologie und Geriatrie2021
[The first steps after a proximal femoral fracture : Sensor-based mobility exploration in geriatric trauma patients].
Article in Zeitschrift fur Gerontologie und Geriatrie, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSensor-based monitoring allows continuous observations of patient mobilization after proximal femoral fractures. A wrist-worn motion tracker allows long-term observation that is low in interruption and constraints for subjects.
objectiveDescription of steps development after hip fracture surgery on a specialized geriatric trauma ward and beyond. MATERIAL AND
methodsIn the explorative long-term field research study, an applicable motion tracker observed steps per day of 20 patients (80% female, mean age 85.2 years ± 7.86 years) for 10 weeks. Weekly mean values (days 1-7, 8-14 etc.) of steps per day formed the database for descriptive analysis (mean, SD, min, max, median).
resultsDuring observation weeks (ow) a positive development of steps took place. A mean increase factor of 1.285 (±0.351) occurred from ow 1 (M = 353.57 ± 310.15) to ow 10 (M = 2482.07 ± 1374.12). The highest increase by a factor of 1.8 could be reported from ow 2 (M = 556.27 ± 478.11) to ow 3 (M = 1024.86 ± 921.24) as well as from ow 6 (M = 1268.21 ± 880.47) to 7 (M = 2367.14 ± 1680.08). A slight decrease of steps occurred from ow 4 (M = 1208.27 ± 1210.45) to ow 5 (0.99-fold) and from ow 9 (M = 2689.98 ± 2339.71) to 10 (0.92-fold). High ranges and standard deviations in relation to the mean occurred constantly. The presence of several step development groups could be presumed.
conclusionMotion tracker and the variable steps per day can represent the ability to walk within an everyday environment, with a possible underestimation of < 10%. Differences regarding observation lengths and disruptions occurred. Cluster analysis should detect group attributes of different courses of development in subsequent studies.
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