A Comparison of Physical Therapy Intervention Efficacy Between Ultrasound Therapy and Electrical Stimulation Interferential Current in Low Back Pain Patients at Chaiyaphum Hospital
Keywords:
Ultrasound, interferential current, Low back painAbstract
The incidence of low back pain patients at the department of physical therapy, Chiyaphum hospital in 2017 is around 3,801 (33.4% of total patients). Normally, physical therapy therapeutic methods of low back pain are ultrasound therapy and/or interferential current stimulation. However, the comparison between these methods related to the efficacy for pain reduction and the enhancement of lumbar ROM is not established.
Objectives : This study is aimed to investigate and compare the efficacy of physical therapy treatments between ultrasound therapy and electrical stimulation interferential currents for pain reduction and the enhancement of lumbar ROM in low back pain patients.
Methods : Sixty patients who have low back pain from myalgia were randomly divided into two groups to receive either ultrasound therapy or electrical stimulation interferential currents, for 5 times within 2 weeks. Pain scale at the lower back was measured by visual analogue scale (VAS) and lumbar movements in all directions were investigated after each treatment.
Results : Age, sex, body weight, height and body mass index (BMI) were not significantly different between groups. Baseline measurements of pain in ultrasound therapy groups (6.5±1.7) and electrical stimulation by interferential currents groups (6.3±1.8) were not significantly different (p<0.05). Moreover, ROM of lumbar was not different between groups in all directions (p<0.05). At the end of treatment, ultrasound therapy and electrical stimulation by interferential currents had a similar efficacy in pain reduction (2.9±1.4 and 3.0±1.6 respectively) and lumbar ROM enhancement in all directions (p<0.05).
Conclusion : Ultrasound therapy and electrical stimulation by interferential currents have a similar efficacy for improving pain and lumbar ROM in all directions in lower back pain patients.
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