Influence of Laser Irradiation on Locomotorial Disease in Race Horses. Particularly Therapeutic Effect on Muscle Sore.:Particularly Therapeutic Effect on Muscle Sore
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概要
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The test horses were 266 cases of race-horses which have been available for the racing at Kaminoyama Race Track, Yamagata Prefecture for 3 years from 1991 to 1993. The test horses used in the first experiment were 112 cases of race-horses which have been available for the racing in 1991. The author examined the effects of 3 kinds of laser apparatus on locomotorial diseases including muscle sore, under laser irradiating conditions of 180, 60 and 60 sec. irradiating time at 80, 150 and 500 mW outputs, respectively. Test horses used in the second experiment were 154 cases of racehorses which have been available for the racing in 1992 and 1993. The author examined both the effects of 2 kinds of laser apparatus and their pain-relief mechanism, under laser irradiating conditions of 30 and 20 sec. irradiating time at 150 and 500 mW outputs, respectively. Laser irradiation was remarkably effective (68.2%) and effective (27.6%) on 163 and 66 of 239 muscle sore cases, respectively, with an effectiveness rate being 95.8%. Irradiation times at outputs 150 and 500 mW were shortened from 60 to 30 and 20 sec., respectively. The remarkable effectiveness rates for myalgic cases were low, but effectiveness rates were high in either case. Laser irradiation led to a significant (p<0.01) decrease in the degree of myotonia. Laser irradiation led to significant decrease in Ht and WBC, suggesting a normalized sympathetic nerves induced effect. PGE<SUB>2</SUB> showed a significant (p<0.05) decrease immediately after irradiation. PGE<SUB>2</SUB> was shown to be significantly (p<0.05) decreased for normal horses compared with muscle sore horses. PGE<SUB>2</SUB> was significantly (p<0.05) decreased for cases of effective laser irradiation both immediately after and one hour after irradiation. β-endorphin was somewhat increased immediately after laser irradiation, but without a significant difference.<BR>The above results suggest laser irradiation to be very effective on muscle sore of race-horses. The significant decrease in. PGE<SUB>2</SUB> was shown to be correlated with the pain-relief from muscle sore.
- 日本家畜臨床学会の論文
日本家畜臨床学会 | 論文
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