Comparison of Footsteps Using Connected Bracelets with the Timed Up-and-Go Test and the 6-Minutes Walking Test in a Prospective Colorectal Surgery Cohort
2020
Benoît Romain | David Martin | Thibaut Fabacher | Basile Pache | Dieter Hahnloser | Nicolas Demartines | Martin Hübner
Preoperative physical activity and early postoperative mobilization are key components of enhanced recovery programs but both difficult to assess. The aim of this prospective study was therefore to compare different ways to measure preoperative physical activity and to correlate those tests with postoperative physical activity (footsteps). The daily number of footsteps was recorded from preoperative day 5 to postoperative day (POD) 3 in a prospective cohort of colorectal patients using connected wrist bracelets. Timed Up-and-Go Test (TUGT) and 6-Minutes Walking Test (6MWT) were assessed preoperatively. Pearson correlation and multivariable regression were used to study the predictive potential of these tests for postoperative footsteps. A total of 50 patients were included. Mean number of preoperative and postoperative footsteps were 6163 (SD 4274) and 1183 (SD 1828), respectively. There was no correlation between preoperative footsteps and preoperative tests (TUGT and 6MWT) as well as between preoperative tests (TUGT and 6MWT) and postoperative footsteps. Postoperative physical activity was significantly correlated with mean number of preoperative footsteps (Rho = 0.527, IC 95 [0.28:0.709]: p <: 0.001). Thereby, preoperative footsteps measurement was the only tool permitting to predict postoperative footsteps. Other preoperative tests as TUGT and 6MWT could not predict immediate postoperative physical activity.
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