Ann Rehabil Med.  2018 Apr;42(2):229-238. 10.5535/arm.2018.42.2.229.

Effects of Repetitive Peripheral Magnetic Stimulation on Patients With Acute Low Back Pain: A Pilot Study

Affiliations
  • 1Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
  • 2Department of Rehabilitation Medicine, Hallym University Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea. pmnrh@naver.com
  • 3Department of Physical Medicine and Rehabilitation, National Health Insurance Service Ilsan Hospital, Goyang, Korea.

Abstract


OBJECTIVE
To investigate the effects of real repetitive peripheral magnetic stimulation (rPMS) treatment compared to sham rPMS treatment on pain reduction and functional recovery of patients with acute low back pain.
METHODS
A total of 26 patients with acute low back pain were randomly allocated to the real rPMS group and the sham rPMS group. Subjects were then administered a total of 10 treatment sessions. Visual analogue scale (VAS) was assessed before and after each session. Oswestry Disability Index (ODI) and Roland-Morris Disability Questionnaire (RMDQ) were employed to assess functional recovery at baseline and after sessions 5 and 10.
RESULTS
Real rPMS treatment showed significant pain reduction immediately after each session. Sustained and significant pain relief was observed after administering only one session in the real rPMS group. Significant functional improvement was observed in the real rPMS group compared to that in the sham rPMS group after sessions 5 and 10 based on ODI and after session 5 based on RMDQ.
CONCLUSION
Real rPMS treatment has immediate effect on pain reduction and sustained effect on pain relief for patients with acute low back pain compared to sham rPMS.

Keyword

Acute low back pain; Repetitive peripheral magnetic stimulation; Pain reduction; Functional recovery

MeSH Terms

Humans
Low Back Pain*
Pilot Projects*

Figure

  • Fig. 1 Consort chart of the study design. rPMS, repetitive peripheral magnetic stimulation.

  • Fig. 2 Changes in VAS before and after each session observed in the real rPMS group (A) and the sham rPMS group (B). In the real rPMS group, VAS was reduced after every session compared to VAS measured before such session. The sham rPMS group showed no significant VAS change in any session. VAS, visual analogue scale; rPMS, repetitive peripheral magnetic stimulation. *p<0.05, **p<0.01.

  • Fig. 3 Changes in VAS (A), ODI (B), and RMDQ (C) of the real rPMS group and sham rPMS group according to passage of time. Differences in changes of the VAS, ODI, and RMDQ over the course of time between the two groups were significant (p=0.003, p<0.001, and p=0.006, respectively). In comparing the two groups, there was a significant difference in VAS at session 5, but not at session 10; ODI showed a significant difference at sessions 5 and 10; and there was a significant difference in RMDQ at session 5 but not at session 10. VAS, visual analogue scale; ODI, Korean version of Oswestry Disability Index; RMDQ, Korean version of Roland-Morris Disability Questionnaire; rPMS, repetitive peripheral magnetic stimulation. *p<0.05, **p<0.01, ***p<0.001.

  • Fig. 4 Comparison of VAS between the real rPMS group and the sham rPMS group after each session. (A) From sessions 1 to 7, the VAS of the real rPMS group evaluated after each session was significantly lower than that of the sham rPMS group. Changes in VAS evaluated before each session of the real rPMS group and sham rPMS group. (B) Compared to baseline VAS, the real rPMS group showed significant VAS reduction starting from session 2 (p=0.025) whereas the sham rPMS group showed significant VAS reduction starting from session 4 (p=0.003). VAS, visual analogue scale; rPMS, repetitive peripheral magnetic stimulation. *p<0.05, **p<0.01.


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