Early ambulation during hospitalization after lower limb salvage surgery for bone and soft-tissue sarcomas: An observational retrospective study
Introduction: Evidence on early functional recovery and inpatient physiotherapy after lower limb salvage surgery for bone sarcomas is limited.
Objective: This study aims to describe early ambulation and explore potential prognostic factors.
Methods: A retrospective cohort study was conducted, including patients aged 12–70 years with bone and soft-tissue sarcoma who underwent lower limb resection and reconstruction between 2019 and 2023. The primary outcome was time to ambulation, and the secondary outcome was length of hospital stay.
Results: A total of 84 patients were included in this study. The median time to ambulation was 4 post-operative days (interquartile range [IQR], 4), and the median length of stay was 8 (IQR, 4). In multivariable Cox regression, earlier ambulation was associated with tumor location in the diaphysis/other sites (hazard ratio [HR] = 4.39, p=0.002), older age (HR = 1.02 per year, p=0.006), and higher physiotherapy intensity when initiated on post-operative day 1 (HR = 1.74, p=0.001). Bone graft/other procedures were associated with a lower hazard of ambulation compared with prosthetic reconstruction (HR 0.46, p=0.037). Each additional day of ambulation was associated with a 12% lower hazard of discharge (HR = 0.88, p=0.009).
Conclusion: Early mobilization and intensive physiotherapy appear to facilitate functional recovery following lower limb salvage surgery for bone and soft-tissue sarcomas. These findings emphasize the value of structured, staff-led rehabilitation programs that actively encourage and guide recovery, highlighting the role of clinical staff in optimizing post-operative outcomes and may improve patients’ independence.
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