Swimming-Based Rehabilitation for Recovery After Thoracolumbar Spinal Fusion

Low Back Pain, Postoperative Recovery, Rehabilitation, Spinal Fusion

Aquatic exercise, Swimming, Spinal fusion rehabilitation, Oswestry Disability Index, VAS pain score, Quality of life, Postoperative rehabilitation, Thoracolumbar spine

This study evaluates the effectiveness and safety of a structured swimming-based rehabilitation program in patients undergoing thoracolumbar spinal fusion. Postoperative rehabilitation after spinal fusion varies widely, and evidence supporting specific exercise strategies remains limited. In this prospective observational cohort study, patients undergoing thoracolumbar spinal fusion are allocated to either a structured swimming-based rehabilitation program or a standard rehabilitation program. The swimming program is initiated 6 to 8 weeks after surgery and is performed three times per week for 12 weeks. The primary outcome is the change in functional disability as measured by the Oswestry Disability Index at 12 weeks. Secondary outcomes include pain intensity assessed using the Visual Analog Scale and quality of life assessed using the Short Form-36 questionnaire. The results of this study aim to determine whether structured aquatic exercise can improve functional recovery, reduce pain, and enhance quality of life following thoracolumbar spinal fusion.

Thoracolumbar spinal fusion is commonly performed for degenerative, traumatic, and osteoporotic spinal conditions. Despite advances in surgical techniques, postoperative recovery remains heterogeneous, with many patients experiencing persistent pain and functional limitations. Rehabilitation plays a critical role in postoperative recovery; however, optimal rehabilitation strategies following spinal fusion are not well established. Aquatic exercise has unique biomechanical advantages, including reduced axial loading, buoyancy-assisted movement, and increased resistance, which may facilitate earlier mobilization and neuromuscular reconditioning. This study is a prospective comparative observational cohort study conducted at Tra Vinh General Hospital, Vietnam. A total of 124 patients undergoing thoracolumbar spinal fusion with pedicle screw instrumentation are included. Patients are allocated into two groups based on clinical recommendation and patient preference: a structured swimming-based rehabilitation group and a standard rehabilitation group. The swimming-based rehabilitation program is initiated 6 to 8 weeks after surgery and consists of three sessions per week for 12 weeks. Each session includes warm-up exercises, low-impact swimming (primarily backstroke and freestyle), progressive endurance training, and cool-down exercises. Initial sessions are supervised to ensure safety and proper technique. The standard rehabilitation group follows a conventional land-based program including ambulation training, core stabilization, and flexibility exercises with similar frequency and duration. The primary outcome is the change in Oswestry Disability Index (ODI) from baseline to 12 weeks. Secondary outcomes include pain intensity measured using the Visual Analog Scale (VAS) and quality of life assessed using the Short Form-36 (SF-36). Outcomes are assessed at baseline, 6 weeks, and 12 weeks. Statistical analysis includes between-group comparisons using appropriate parametric or non-parametric tests and multivariate regression to adjust for baseline differences. Effect sizes are reported with 95% confidence intervals. This study aims to evaluate whether structured swimming-based rehabilitation improves functional recovery, pain reduction, and quality of life compared with standard rehabilitation after thoracolumbar spinal fusion.

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