• Michaël Finet, Alice Bellicha, Edouard Sage, Matthieu Glorion, Titouan Kennel, Mathilde Labro, Bernard Trillat, Marc Fischler, Alexandre Vallée, Morgan Le Guen, and Julien Fessler.
• Department of Anesthesiology and Pain Medicine, Hôpital Foch, 92150 Suresnes, France and Université Versailles-Saint-Quentin-en-Yvelines, 78000 Versailles, France.
• J Clin Anesth. 2023 Jun 1; 86: 111048111048.

Study ObjectivePostoperative physical therapy and early mobilization are major elements for enhanced recovery after surgery. In contrast with supervised physical therapy sessions that can be monitored, self-mobilization is not easily quantifiable and has so far been estimated mainly through patient auto-reports. This study aimed to perform a comprehensive and objective evaluation of postoperative mobility.DesignProspective observational study.SettingPostoperative setting.PatientsPatients undergoing mini-invasive lung surgery.InterventionsMeasurement of postoperative mobility during the first five postoperative days using an accelerometer (ActiGraph GT3X).MeasurementsThe primary outcome was the number of daily steps. Secondary outcomes included physical activity duration and intensity, sedentary time, number of breaks in sedentary time, sedentary patterns, daily evaluation by physiotherapists, postoperative complications, and acceptability of wearing the accelerometer.Main ResultsSixty patients were included in the study, of whom 56 provided at least one day of valid accelerometry data. There was no significant change during the first four PODs concerning the number of daily steps nor the mean cadence. One-minute cadence peak, total activity counts, and duration of light-intensity physical activity increased over time (p = 0.032, p = 0.001 and p = 0.001, respectively). Sedentary patterns changed favorably over time, with a decrease in prolonged sedentary bouts (≥ 60 consecutive min) (p < 0.001), and an increase in shorter bouts (< 10 min) (p = 0.001). Similar results were observed when analysis was adjusted for the day of the week when the surgery took place. The median acceptability of wearing the accelerometer was excellent (median 10 [9-10] on a 10-point Likert scale). Three patients had major complications.ConclusionsOur findings suggest that daily steps may not be the only relevant indicator of early mobility following thoracic surgery and that accelerometry is suitable to follow patients' early postoperative activity.Copyright © 2023 Elsevier Inc. All rights reserved.

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