Effects of Combined High-Intensity Laser Therapy, Guided Imagery, and Music on Quality of Life and General Health in Patients with Chronic Musculoskeletal Pain: A Randomized Controlled Trial
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Objective: This study aimed to investigate the effects of combining High-Intensity Laser Therapy (HILT), a non-symbolic physical treatment, with various symbolic/behavioral interventions, including Guided Imagery (GI), rooted in biosemiotics model of healing.
Methods and Materials: This randomized clinical trial included 83 patients with CMSP (aged 18-70 years) who were divided into five treatment groups: Laser Therapy alone (LT), LT + Guided Imagery (GI), LT + GI + Health Education (HE), LT + Music (M), and LT + M + HE. All groups received six sessions of HILT. QoL (SF-12) and general health (GHQ-12) were measured at baseline, post-intervention, and one-month follow-up. Statistical analysis included repeated measures ANOVA.
Findings: Intragroup analyses showed that the PCS improved significantly (p<0.001) only in the combined intervention groups (LT+GI, LT+GI+HE, and LT+MT). GHQ-12 scores (where lower scores indicate better general health) showed significant decreases in the MD component across nearly all groups. The LT+GI group demonstrated statistically superior gains in PMH compared to several other arms (p<0.05). Conversely, the LT+MT group showed the most consistent and significant reduction in the overall GHQ-12 total score during the follow-up phase (p<0.001).
Conclusion: Structured intervention programs substantially enhance quality of life and general health in individuals with CMSP. The findings demonstrate that the integration of symbolic and non-symbolic interventions can be effective for maximizing physical and psychological gains, particularly in physical health status and positive mental health.
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