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Pulse Low Intensity Electromagnetic Field Therapy

PLIMF therapy uses magnetic fields to increase oxygen levels and decrease toxic by-products of inflammation by increasing local blood flow (Durovic et al. 2009).

 

Table 5 Pulse Low Intensity for Treatment of Heterotopic Ossification

Author Year

Country

Research Design

Score

Total Sample Size

MethodsResults
Durovic et al. 2009

Italy

RCT

PEDro=6

N=29

Population: Age range: 18-45 yr.

Treatment: Patients were randomly divided into experimental and control groups. Treatment group received 30 min pulse low intensity electromagnetic field therapy (PLIMF) therapy (25 Hz, 10 mT) for 4 wk, approximately 7 wk post SCI.

Outcome measures: Incidence of HO, Brooker classification.

1.     Significant differences were found in the incidence of HO between the treatment and control groups.

2.     33% of individuals in the control group had incidence of HO; 0 cases of HO in the treatment group.

3.     Among control groups individuals with HO post intervention, 2 progressed grade 1, 2 to grade 2, and 1 to grade 3 on the Brooker classification.

4.     Significant differences were found in the incidence of HO between the treatment and control group (p<0.04).

Discussion

Durovic et al. (2009) randomly assigned 29 SCI patients to a control group or treatment group. Both received range of motion and exercise therapy; however, only the treatment group received PLIMF therapy an average of seven weeks post injury for four weeks. The study showed no incidence of HO in the treatment group yet a 33% incidence in the control group (p<0.04).

Conclusion

There is Level 1b evidence (from one RCT; Durovic et al. 2009) that Pulse Low Intensity Electromagnetic Field therapy is an effective prophylaxis of HO post SCI

  • Pulse low intensity electromagnetic field therapy is effective in preventing heterotopic ossification post spinal cord injury.