Histomorphochemical effects of shortwave diathermy on healing of experimental muscular injury in dogs.
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1990-08-01
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Abstract
The biceps femoris muscle was surgically incised and sutured in 10 clinically healthy mongrel dogs, aged 1-2 yr and weighing 10-15 kg. The surgical wounds of 5 dogs were exposed to shortwave diathermy for 5 min daily for 7 days, starting a day after the creation of trauma. The remaining 5 dogs served as control. After 15 days of healing, the tissues from biceps femoris muscle were collected and subjected to histomorphological and histochemical examination. Mature collagen bundles were seen at healing site in diathermy treated animals while there were immature collagen fibres and more number of fibroblasts in control animals. Normal muscle fibres could be seen on either side of the healing tissue in treated animals whereas in control animals, atrophied and necrosed muscle fibres were encountered. The neutral and acid mucopolysaccharides, lipid droplets in the intermyofibrillar area and the activity of alkaline phosphatase, adenosine triphosphatase and lactate dehydrogenase at the healing site was better in treated as compared to controls.
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Bansal PS, Sobti VK, Roy KS. Histomorphochemical effects of shortwave diathermy on healing of experimental muscular injury in dogs. Indian Journal of Experimental Biology. 1990 Aug; 28(8): 766-70