Chronic musculoskeletal pain (CMP) is associated with an increased risk of cardiovascular disease (CVD). This study aimed to determine the factors associated with the intensity of CMP in patients with underlying CVD and to evaluate the efficacy of Ice Power Magnesium In Strong Cream in patients with muscle cramps. We investigated 396 patients with or without CMP who visited an outpatient cardiology clinic and analyzed the features of CMP and factors associated with pain intensity and specific types of CVD in study 1. We also analyzed 73 patients who had muscle cramps in the lower extremities in study 2 to evaluate the efficacy of Ice Power Magnesium In Strong Cream in reducing pain intensity. In study 1, multivariable linear regression analysis showed that older age (regression coefficient [B] = 0.66, 95% confidence interval [CI], 0.07-1.24), female sex (B = 1.18, 95% CI, 0.59-1.76), presence of hypertension (B = 0.69, 95% CI, 0.05-1.33), and use of calcium supplements (B = 1.27, 95% CI, 0.31-2.24) were significantly associated with a higher intensity of CMP. In study 2, the mean pain scores at baseline, week 2 and week 4 after treatment were 5.99 ± 2.12, 2.92 ± 2.63, and 1.90 ± 2.41, respectively, and the reductions were significant at both week 2 and week 4 after treatment (P < .05). Older age, female sex, hypertension, and use of calcium supplements were associated with an increased intensity of CMP. Ice Power Magnesium In Strong Cream was effective in reducing the pain intensity of muscle cramps in the lower extremities.
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