This in vivo study was performed to determine whether exposure to pulsed electromagnetic field reduces post-operative (ablation of ovaries and uterus) pain in dogs and whether it interacts with post-operative morphine analgesia.
16 healthy dogs weighting 10-32 kg and aged 3-36 months were examined within 6 hours post-operative at 8 different time points. Four groups were performed: 1.) control group (NaCl administration), 2.) post-operative pulsed electromagnetic field exposure (NaCl administration), 3.) post-operative morphine application and 4.) post-operative morphine application plus pulsed electromagnetic field exposure.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
500 mHz
Modulation type:
pulsed
Exposure duration:
intermittent, 20 min field on/20 min field off for 6 h
|
- |
| Frequency | 500 mHz |
|---|---|
| Type | |
| Waveform | |
| Exposure duration | intermittent, 20 min field on/20 min field off for 6 h |
| Modulation type | pulsed |
|---|
| Exposure source |
|
|---|---|
| Setup | The magnetic field unit was attached to the outside of the cage. |
| Additional info | Control and morphine controlled dogs were handled the same way during the recovery period only the magnet field unit was non functional. |
No parameters are specified for this exposure.
Significant differences in mean arterial blood pressure occurred at 5 hours in groups 3 and 4 (mean arterial blood pressure in group 3/4 < group 2), and at 6 hours in group 4 (mean arterial blood pressure in group 4 < group 1/2) compared to control group. At 30 minutes the total pain score for group 4 was significantly less than for control group, but not significantly different from group 2 or 3.
Although no clear benefit of electromagnetic therapy was seen, the results suggest that pulsed electromagnetic field may augment morphine analgesia post-operative in dogs.
This website uses cookies to provide you the best browsing experience. By continuing to use this website you accept our use of cookies.
