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Ja´dina S. Vieira,Je´ssica A. Toreti,Ravena C. de Carvalho,Joa˜o E. de Arau´jo,Marcelo L. Silva,Josie R.T. Silva 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.5
The present study evaluates whether the injection of serotonin, acetylcholine, glutamate, bradykinin, histamine, or substance P (SP) into the Zusanli (Stomach 36, ST 36) acupoint can also produce the acupuncture-induced antinociceptive effect on inflammatory or neuropathic pain. In this in vivo experimental study, a total of 450 male Swiss mice were used. Mice were injected with saline or complete Freund's adjuvant (CFA) or subjected to sham or chronic constriction injury (CCI) surgery. After the establishment of the inflammatory (4 hours) or the neuropathic pain (3 days), the animals (n = 6) received manual acupuncture, sham acupuncture, or injection of saline, serotonin, acetylcholine, glutamate, bradykinin, histamine, or SP into the ST 36 and were evaluated for up to 24 hours. Mechanical threshold was evaluated, and the L4-L6 dorsal root ganglion was used for analysis of the transient receptor potential vanilloid type 1 overexpression. The mice from both the CFA and CCI models treated with manual acupuncture had significant increases in the thresholds for more than 24 hours. Sham acupuncture stimulation did not change the thresholds. In the mice injected with each of the mediators, the thresholds were significantly increased for all times in both the CFA and CCI models. Transient receptor potential vanilloid type 1 overexpression in CFA and CCI mice was reduced at all times by injection of serotonin, acetylcholine, or SP but not by injection of glutamate, histamine, or bradykinin. Our data suggest that the neuroactive mediators released by acupuncture-induced tissue injury may contribute to acupuncture-induced analgesia.
Ana Lúcia M. Yamada,Marcelo Pinheiro,Marília F. Marsiglia,Stefano Carlo F. Hagen,Raquel Yvonne A. Baccarin,Luís Cláudio L. C. da Silva 대한수의학회 2020 Journal of Veterinary Science Vol.21 No.3
The aims of this study were to determine the morphological patterns, physical examination characteristics and ultrasound findings of show jumping horses in training and to establish a score-based examination model for physical and ultrasound foBackground: Physical exercise is known to cause significant joint changes. Thus, monitoring joint behavior of athletic horses is essential in early disorders recognition, allowing the proper management. Objectives: The aims of this study were to determine the morphological patterns, physical examination characteristics and ultrasound findings of show jumping horses in training and to establish a score-based examination model for physical and ultrasound follow-ups of metacarpophalangeal joint changes in these animals. Methods: A total of 52 metacarpophalangeal joints from 26 horses who were initially in the taming stage were evaluated, and the horses’ athletic progression was monitored. The horses were evaluated by a physical examination and by B-mode and Doppler-mode ultrasound examinations, starting at time zero (T0), which occurred concomitantly with the beginning of training, and every 3 months thereafter for a follow-up period of 18 months. Results: The standardized examination model revealed an increase in the maximum joint flexion angles and higher scores on the physical and ultrasound examinations after scoring was performed by predefined assessment tools, especially between 3 and 6 months of evaluation, which was immediately after the horses started more intense training. The lameness score and the ultrasound examination score were slightly higher at the end of the study. Conclusions: The observed results were probably caused by the implementation of a traininBackground: Physical exercise is known to cause significant joint changes. Thus, monitoring joint behavior of athletic horses is essential in early disorders recognition, allowing the proper management. Objectives: The aims of this study were to determine the morphological patterns, physical examination characteristics and ultrasound findings of show jumping horses in training and to establish a score-based examination model for physical and ultrasound follow-ups of metacarpophalangeal joint changes in these animals. Methods: A total of 52 metacarpophalangeal joints from 26 horses who were initially in the taming stage were evaluated, and the horses’ athletic progression was monitored. The horses were evaluated by a physical examination and by B-mode and Doppler-mode ultrasound examinations, starting at time zero (T0), which occurred concomitantly with the beginning of training, and every 3 months thereafter for a follow-up period of 18 months. Results: The standardized examination model revealed an increase in the maximum joint flexion angles and higher scores on the physical and ultrasound examinations after scoring was performed by predefined assessment tools, especially between 3 and 6 months of evaluation, which was immediately after the horses started more intense training. The lameness score and the ultrasound examination score were slightly higher at the end of the study. Conclusions: The observed results were probably caused by the implementation of a training regimen and joint adaptation to physical conditioning. The joints most likely undergo a pre-osteoarthritic period due to work overload, which can manifest in a consistent or adaptive manner, as observed during this study. Thus, continuous monitoring of young athlete horses by physical and ultrasound examinations that can be scored is essential. g regimen and joint adaptation to physical conditioning. The joints most likely undergo a pre-osteoarthritic period due to work overload, which can manifest in a consistent or adaptive manner, as observed during this study. Thus, continuous monitoring of young athlete horses by physical and ultrasound examinations that can be scored is essential.llow-ups of metacarpophalangeal joint changes in these animals....
Marcelo L. Silva,Wiliam A. Prado,Josie R.T. Silva 사단법인약침학회 2012 Journal of Acupuncture & Meridian Studies Vol.5 No.1
This study examined whether or not the antinociceptive effect of 2- or 100-Hz electroacupuncture (EA) depends on the integrity of the retrosplenial cortex (RSC). Rats were taken for determination of tail-flick latency before and after injection of saline or 2%lidocaine (0.25 ml) into the retrosplenial cortex (RSC) bilaterally. Five minutes later, they were submitted to a 20-minute period of 2 Hz, 100 Hz, or sham EA at the Zusanli and Sanyinjiao acupoints bilaterally, and tail-flick latency was measured within 30 seconds after the end of stimulation and at 5-minute intervals for up to 30 minutes. EA at a frequency of either 2 or 100 Hz induced a strong and long-lasting inhibition of the tail-flick reflex in rats treated with saline (0.25 ml) injected into the RSC. The analgesia produced by 2-Hz EA lasted for a shorter time in lidocaine-treated rats. By contrast,RSC impairment did not change the analgesic effect of 100 Hz EA. The integrity of the RSC is implicated in the duration of analgesia induced by low-frequency EA but is not essential for the analgesic effects evoked by high-frequency EA.
Yamada, Ana Lucia M.,Pinheiro, Marcelo,Marsiglia, Marilia F.,Hagen, Stefano Carlo F.,Baccarin, Raquel Yvonne A.,da Silva, Luis Claudio L.C. The Korean Society of Veterinary Science 2020 JOURNAL OF VETERINARY SCIENCE Vol.21 No.2
Background: Physical exercise is known to cause significant joint changes. Thus, monitoring joint behavior of athletic horses is essential in early disorders recognition, allowing the proper management. Objectives: The aims of this study were to determine the morphological patterns, physical examination characteristics and ultrasound findings of show jumping horses in training and to establish a score-based examination model for physical and ultrasound follow-ups of metacarpophalangeal joint changes in these animals. Methods: A total of 52 metacarpophalangeal joints from 26 horses who were initially in the taming stage were evaluated, and the horses' athletic progression was monitored. The horses were evaluated by a physical examination and by B-mode and Doppler-mode ultrasound examinations, starting at time zero (T0), which occurred concomitantly with the beginning of training, and every 3 months thereafter for a follow-up period of 18 months. Results: The standardized examination model revealed an increase in the maximum joint flexion angles and higher scores on the physical and ultrasound examinations after scoring was performed by predefined assessment tools, especially between 3 and 6 months of evaluation, which was immediately after the horses started more intense training. The lameness score and the ultrasound examination score were slightly higher at the end of the study. Conclusions: The observed results were probably caused by the implementation of a training regimen and joint adaptation to physical conditioning. The joints most likely undergo a pre-osteoarthritic period due to work overload, which can manifest in a consistent or adaptive manner, as observed during this study. Thus, continuous monitoring of young athlete horses by physical and ultrasound examinations that can be scored is essential.
Ravena C. de Carvalho,Julia R. Parisi,Wiliam A. Prado,Joa˜o E. de Arau´jo,Andreia M. Silva,Josie R.T. Silva,Marcelo L. Silva 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.2
The objective of this study was to compare the effects of one or multiple sessions of electroacupuncture (EA) in patients with chronic low back pain. The outcome measures were visual analog score (VAS), pressure pain threshold (PPT), McGill pain questionnaire (MPQ), Roland Morris disability questionnaire (RMDQ), low back skin temperature, surface electromyography of longissimus muscle (contraction/rest) and blood cytokines. After examination (AV0), patients were submitted to EA (2 Hz, 30 minutes, bilaterally at the SP6, BL23, BL31, BL32, BL33, and BL60) and were revaluated after one week (AV1). Patients with VAS <3 (VAS <3 group, n = 20) were directed to return after three weeks (AV2). Patients with VAS >3 (VAS >3 group, n = 20) were submitted to one weekly EA-treatment and revaluated after three weeks (AV2). The VAS <3 group showed a significant reduction in VAS and MPQ and increased PPT in AV1, but not in AV2. No significant differences were found in RMDQ. The VAS >3 group showed reduction in VAS and increased PPT in AV1 and a reduction in MPQ and RMDQ only in AV2. No significant differences were found in electromyography, temperature or cytokines. Thus, despite 2Hz-EA is effective reducing low back pain, some patients only experienced reduced pain intensity and improved functional capacity after full treatment.
Maria P. Volpato,Izabela C.A. Breda,Ravena C. de Carvalho,Caroline de Castro Moura,Laís L. Ferreira,Marcelo L. Silva,Josie R.T. Silva 사단법인약침학회 2020 Journal of Acupuncture & Meridian Studies Vol.13 No.2
The objective of this study was to evaluate if a single session of real or placebo cupping therapy in patients with chronic low back pain would be enough to temporarily reduce pain intensity and functional disability, enhancing their mechanical threshold and reducing local skin temperature. The outcome measures were Brief Pain Inventory, pressure pain threshold, RolandeMorris disability questionnaire and low back skin temperature. This is an experimental clinical trial; after examination (AV0), patients were submitted to real or placebo cupping therapy (15 minutes, bilaterally at the points BL23 (Shenshu), BL24 (Qihaishu) and BL25 (Dachangshu) and were revaluated immediately after the session (AV1) and after one week (AV2). The patients showeda significant improvement in all pain severity items and sleep in the Brief Pain Inventory (p < 0.05) and a decrease in disability in RolandeMorris disability questionnaire (p < 0.001). No significant differences were found in pressure pain threshold or skin temperature. No significant differences were found in any outcome of the placebo cupping therapy group. Thus, thecupping therapy is effective in reducing low back pain and decreasing disability after one single session but not in changing skin mechanical threshold or temperature.