Streamlining healing of tibial fractures using pulsed magnet therapy was tested on 45 patients by W. J. Sharrard’s team (1990) and the findings were subsequently published in the Journal of Bone and Joint Surgery.
A total of 45 tibial fractures were included in the study. All of them were treated as standard, but the average treatment time was already exceeded by more than 16 but less than 32 weeks due to slow regrowth. These were moderate to severe displacement of bone, dislocation or comminution, or a combination of lesions with moderate to severe skin and soft tissue damage.
Treatment was performed in the active treatment group (20 patients) with pulsed electromagnetic stimulation. 25 patients were assigned to the placebo group. The study lasted 12 weeks. The radiographs were evaluated blindly and independently by a radiologist and an orthopaedic surgeon.
Statistical analysis showed before starting therapy that all patients were comparable in all parameters except age. However, age did not affect the outcome and effect of treatment.
Independent evaluation of the active group by a radiologist confirmed fracture growth in five patients and significant fracture improvement in another five patients. In the remaining 10 patients in the active group, there was no further significant change. In the control group, on the other hand, there was only one fracture growth and significantly better results in one other patient. No change occurred in the remaining 23 patients in the control group.
Thus, the results showed a significant difference between the two groups. The active treatment group had significantly better results according to Fischer’s exact test. The orthopaedic assessment confirmed fusion of nine fractures and non-healing of 11 fractures in the active group. On the other hand, in the control group, according to the orthopaedic surgeon, 3 fractures grew and 22 fractures did not heal. So this was also significantly better in the active treatment group.
Thus, pulsed magnetotherapy significantly affects the healing of tibial fractures. Not only does it significantly contribute to a shorter treatment time, but also to better bone growth.
Source: Sharrard, W. J. (1990). A double-blind trial of pulsed electromagnetic fields for delayed union of tibial fractures. The Journal Of Bone And Joint Surgery. British Volume, 72(3), 347-355.
Double-blind study of pulsed electromagnetic fields for delayed union of tibial fractures / A double-blind trial of pulsed electromagnetic fields for delayed union of tibial fractures.
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