Effect of pulsed electromagnetic therapy versus low-level laser therapy on bone mineral density in the elderly with primary osteoporosis: a randomized, controlled trial

Ashraf A.M. Abdelaal, Mona M Taha, Doaa I Amin, Amira H Draz

Bulletin of Faculty of Physical Therapy 2017 22(1):34-39

Background Osteoporosis is a major health problem in the elderly worldwide. Aim The aim of the present study was to evaluate and compare the effect of low-frequency pulsed electromagnetic field therapy (LFPEMFT) versus low-level laser therapy (LLLT) on bone mineral density (BMD) in osteoporotic elderly. Patients and methods A total of 60 participants with primary osteoporosis, aged 55–65 years, were randomly allocated into three groups: the LFPEMFT group (group I; n=20), the LLLT group (group II; n=20), and the control group (group III; n=20). Each treatment regimen was applied for 30 min, three times weekly for 3 months on the lumbar region. BMD was evaluated using dual-energy X-ray absorptiometry. Results There were significant increases in BMD in groups I and II, whereas there was a nonsignificant increase in group III (P<0.001, 0.001, and 0.14 for groups I, II, and III, respectively). Between groups, there were significant differences in BMD but in favor of group I (P<0.001). The mean values and percentages of change in BMD were −1.94±0.76 and 39.48%, −2.63±0.49 and 16.79%, and −3.19±0.54 and 0.79% in groups I, II, and III, respectively. Conclusion LFPEMFT and LLLT are useful therapeutic procedures to increase BMD in osteoporotic elderly. Furthermore, LFPEMFT is more effective than LLLT in increasing BMD in the elderly with primary osteoporosis.

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