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Related Experiment Video

Updated: Jul 9, 2025

Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
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Outpatient surgery postoperative ambulation and emergency department utilization.

Danielle Abbitt1,2, Kevin Choy3, Jake Cotton3

  • 1Department of Surgery, University of Colorado School of Medicine, 12631 E 17th Ave, C-305, Aurora, CO, 80045, USA. danielle.abbitt@cuanschutz.edu.

Surgical Endoscopy
|November 28, 2023
PubMed
Summary

Postoperative ambulation is key for recovery after outpatient surgery. Adults under 65 who don't regain their daily step count within a week are 6x more likely to visit the Emergency Department (ED).

Keywords:
AmbulationAmbulatory surgeryOutpatient surgeryPostoperative recoveryWalking

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Area of Science:

  • Surgical Outcomes Research
  • Wearable Technology in Healthcare
  • Geriatric Surgery

Background:

  • Ambulation is a critical indicator of wellness and recovery post-surgery.
  • Traditional self-reported walking measurements are prone to bias.
  • Wearable activity monitors offer objective data for assessing postoperative recovery.

Purpose of the Study:

  • To evaluate postoperative ambulation using accelerometers in general surgery outpatients.
  • To test the hypothesis that reduced postoperative ambulation predicts adverse outcomes.
  • To identify risks associated with decreased mobility after outpatient abdominal surgery.

Main Methods:

  • Retrospective review of 106 patients undergoing outpatient abdominal surgery (Nov 2016 - Jul 2019).
  • Patients wore accelerometers preoperatively and postoperatively to measure daily steps.
  • Outcomes included 30-day readmissions and Emergency Department (ED) utilization; ambulation was compared to preoperative baseline.

Main Results:

  • Geriatric patients (≥65 years) were less likely to meet their preoperative baseline by postoperative day 7 (35% vs. 61%).
  • Adult patients (<65 years) failing to meet baseline within one week had higher ED utilization (24% vs. 4%).
  • Geriatric patients failing to meet baseline showed a trend toward increased ED visits (19% vs. 7%).

Conclusions:

  • Adult patients (<65) not returning to their preoperative step count within one week are 6 times more likely to require ED visits.
  • Postoperative ambulation levels can potentially predict ED utilization and recovery trajectory after outpatient surgery.
  • Objective measurement of ambulation using wearable technology can inform recovery monitoring and risk stratification.