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Chacur M, Rocha IRC, Harland ME, Green-Fulgham SM, de Almeida SRY, Ciena AP, Watkins LR. Prevention and reversal of neuropathic pain by near-infrared photobiomodulation therapy in male and female rats. Physiol Behav 2024; 286:114680. [PMID: 39187036 DOI: 10.1016/j.physbeh.2024.114680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 08/20/2024] [Accepted: 08/20/2024] [Indexed: 08/28/2024]
Abstract
Pathological nociception arising from peripheral nerve injury impacts quality of life. Current therapeutics are generally ineffective. However, photobiomodulation therapy (PBMT) has shown promise in addressing this issue. We aimed to assess the potential anti-allodynic effects of 2 p.m. protocols, each applied transcutaneously over the peripheral nerve injury. In addition to evaluating nociceptive behavior, we also conducted morphological analysis using electron microscopy (EM) to investigate potential ultrastructural changes at the cellular level. We sought to determine, using the chronic constriction injury (CCI) model, whether our parameters could alleviate established allodynia and/or dampen allodynia development. Adult male and female rats with CCI or sham were treated with PBMT (850-nm wavelength) for 2 min, 3 times a week over three or four weeks across three studies, where PBMT began either before or after CCI. Allodynia was assessed prior to surgery and across weeks and, at the conclusion of the third study, sciatic nerve was processed for EM and histomorphometrically evaluated. The results showed that PBMT before versus after CCI injury yielded similar behaviors, effectively decreasing allodynia. Interestingly, these positive effects of PBMT do not appear to be accounted by protection of the sciatic injury site, based on EM. CCI reliably decreased axon size and the number of myelinated axons present in both PBMT and control groups. While PBMT reduced the number of C-fibers in CCI samples, no improvement in any measure was observed in response to PBMT.
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Affiliation(s)
- Marucia Chacur
- Department of Psychology and Neuroscience, and the Center for Neuroscience, University of Colorado, Boulder, CO 80309, USA; Laboratory of Neuroanatomy Functional of Pain, Departamento de Anatomia, Institute of Biomedical Science, Universidade de Sao Paulo, 05508-900 Sao Paulo, Brazil.
| | - Igor R Correia Rocha
- Department of Psychology and Neuroscience, and the Center for Neuroscience, University of Colorado, Boulder, CO 80309, USA; Laboratory of Neuroanatomy Functional of Pain, Departamento de Anatomia, Institute of Biomedical Science, Universidade de Sao Paulo, 05508-900 Sao Paulo, Brazil
| | - Michael E Harland
- Department of Psychology and Neuroscience, and the Center for Neuroscience, University of Colorado, Boulder, CO 80309, USA
| | - Suzanne M Green-Fulgham
- Department of Psychology and Neuroscience, and the Center for Neuroscience, University of Colorado, Boulder, CO 80309, USA
| | - Sonia Regina Yokomizo de Almeida
- Laboratory of Neuroanatomy Functional of Pain, Departamento de Anatomia, Institute of Biomedical Science, Universidade de Sao Paulo, 05508-900 Sao Paulo, Brazil
| | - Adriano Polican Ciena
- Laboratory of Morphology and Physical Activity (LAMAF), Institute of Biosciences, Sao Paulo State University (UNESP), Rio Claro 13506-900 Sao Paulo, Brazil
| | - Linda R Watkins
- Department of Psychology and Neuroscience, and the Center for Neuroscience, University of Colorado, Boulder, CO 80309, USA
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Mao X, He H, Ding J. Efficacy of Laser Acupuncture for Treatment of Chronic Low Back Pain: A Systematic Review and Meta-Analysis. Pain Manag Nurs 2024; 25:529-537. [PMID: 38821755 DOI: 10.1016/j.pmn.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/08/2024] [Accepted: 05/05/2024] [Indexed: 06/02/2024]
Abstract
OBJECTIVE To summarize and systematically analyze the efficacy of laser acupuncture (LA) interventions in reducing pain scores in patients suffering from chronic low back pain (LBP). METHODS PubMed, EMBASE, and Scopus databases were searched for randomized controlled trials, published in peer-reviewed journals, and reporting LA interventions in patients with chronic LBP. All included studies had a comparison group of patients, receiving placebo treatment, sham intervention, conventional therapy, or no treatment. The outcome of interest was the pain intensity score. Pooled effect estimates were calculated using random-effects models and reported as weighted mean difference (WMD) with 95% confidence intervals (CI). RESULTS A total of 20 studies were included. Compared to the control group, patients who underwent LA experienced a significant reduction in reported pain scores immediately after completing the treatment (WMD -1.14, 95% CI: -1.68 to -0.61). High dose of LA was associated with a more significant decrease in the pain scores (WMD -1.40, 95% CI: -1.94 to -0.85; N = 15, I2 = 81.0%). However, reported pain scores of patients who received LA were statistically similar to those of the control group at short-term (4-8 weeks after the treatment) and long-term (12 months) follow-ups. CONCLUSIONS In patients with chronic LBP, LA may help in alleviating pain immediately after the treatment. However, this effect does not appear to be sustained on later follow-up assessments. Consequently, patients should be informed about the potential limitations of the treatment in providing lasting pain relief.
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Affiliation(s)
- Xudan Mao
- Department of Rehabilitation, Shaoxing Central Hospital, Shaoxing, Zhejiang Province, China
| | - Huanv He
- Department of Rehabilitation, Shaoxing Central Hospital, Shaoxing, Zhejiang Province, China
| | - Jianfeng Ding
- Department of Rehabilitation, Shaoxing Central Hospital, Shaoxing, Zhejiang Province, China.
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Chang YP, Lin CC, Wu JH, Hsieh YH, Chou KH, Su CT. The impact of photobiomodulation on sleep and life quality in hemodialysis patients: A randomized controlled trial. Lasers Med Sci 2024; 39:169. [PMID: 38958682 DOI: 10.1007/s10103-024-04114-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024]
Abstract
The quality of life (QoL) and sleep quality are closely linked to the physical and psychological health of end-stage renal disease (ESRD) patients, especially those underwent hemodialysis (HD) therapy. This study aims to investigate the impact of 830 nm laser treatment on improving QoL and sleep quality in HD patients. Forty ESRD patients participated in this study. 830 nm laser was used to radiate on the palm (at dose of 256.10 J/cm2), ST 36 and KI 1 acupoints (at dose of 109.76 J/cm2) of HD patients, and QoL and sleep quality questionnaires were utilized to assess changes following the treatment. After 830 nm laser radiation, lower global Pittsburgh Sleep Quality Index and Athens Insomnia Scale scores were observed, accompanied by higher physical and mental component summary scores in MOS 36-item short-form health survey version 2 and a global World Health Organization Quality of Life Brief Version score. The laser group also showed significant improvements in QoL and sleep quality indicators. Additionally, pain levels decreased on the third day and after one month according to visual analogue scale. This study revealed the positive effects of 830 nm laser on palm, KI 1 and ST 36 acupoints for improving the QoL and sleep quality in ESRD patients underwent HD treatment. The results suggest that 830 nm laser applied to specific targets could be used as a complementary and alternative approach to increase the QoL and sleep quality in ESRD patients.
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Affiliation(s)
- Yi-Ping Chang
- Department of Nephrology, Taoyuan Branch of Taipei Veterans General Hospital, Taoyuan, Taiwan
- Department of Healthcare Information and Management, Ming Chuan University, Taoyuan, 33348, Taiwan
| | - Chih-Ching Lin
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, 11217, Taiwan
- School of Medicine, National Yang-Ming Chiao-Tung University, Taipei, 11217, Taiwan
| | - Jih-Huah Wu
- Department of Biomedical Engineering, Ming Chuan University, Taoyuan, 33348, Taiwan
| | - Ya-Hui Hsieh
- Department of Healthcare Information and Management, Ming Chuan University, Taoyuan, 33348, Taiwan
| | - Kai-Hsiang Chou
- Department of Healthcare Information and Management, Ming Chuan University, Taoyuan, 33348, Taiwan
| | - Chuan-Tsung Su
- Department of Healthcare Information and Management, Ming Chuan University, Taoyuan, 33348, Taiwan.
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Kieu TX, Trinh DTT, Jing W. Laser Acupuncture Versus Electroacupuncture for Nonsevere Carpal Tunnel Syndrome: A Randomized Controlled Trial. Med Acupunct 2024; 36:125-136. [PMID: 39119262 PMCID: PMC11304917 DOI: 10.1089/acu.2023.0107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024] Open
Abstract
Background Electroacupuncture (EA) is commonly employed for carpal tunnel syndrome (CTS), whereas laser acupuncture (LA) seems to offer a safer and more convenient alternative. Nevertheless, transitioning from EA to LA requires evidence. This study aims to compare their clinical efficacy and safety. Methods A randomized single-blind controlled trial was conducted on 76 CTS patients, with 38 patients assigned to receive EA (EA group) and 38 assigned to receive LA (LA group). Acupoints selected for both groups included PC4, PC6, PC7, PC8, LI4, LI10, LI11, HT3, HT7, and LU10. The intervention consisted of 20 sessions over 4 weeks. Symptom Severity Scale (SSS) and Functional Status Scale (FSS) scores, patients' satisfaction, and adverse events (AEs) were recorded. Results The LA group demonstrated significantly greater reductions in SSS and FSS scores than the EA group, with mean differences (MDs) and 95% confidence interval (95% CI) of -4.29 (-5.40 to -3.18) and -0.73 (-1.24 to -0.24), respectively, after 4 weeks of treatment. Complete symptom, functional recovery, and both were also significantly better in the LA group (relative risks [RR] [95% CI]: 14.00 [1.94 to 101.22], 1.58 [1.24 to 2.02], and 14.00 [1.94 to 101.22], respectively). Overall treatment effectiveness and satisfaction levels were notably higher in the LA group. Six patients experienced AEs in the EA group, whereas no AEs were reported in the LA group. Conclusions In this study, the findings indicate that LA may offer a safer and more effective alternative to EA. Further studies with longer follow-up periods and assessment of electrodiagnostic changes after intervention are needed.
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Affiliation(s)
- Thy Xuan Kieu
- Graduate School, Anhui University of Chinese Medicine, Hefei City, China
- Department of Acupuncture, Faculty of Traditional Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Department of Acupuncture, University Medical Center Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Dieu-Thuong Thi Trinh
- Department of Traditional Medicine Administration, Ministry of Health, Ha Noi City, Vietnam
| | - Wang Jing
- Graduate School, Anhui University of Chinese Medicine, Hefei City, China
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Chien TJ, Huang YS, Liao LL, Chu CC, Pai JH. Head-to-Head Comparison of Electroacupuncture and Laser Acupuncture Effects on Autonomic Regulation and Clinical Effects in Dysmenorrhea: A Randomized Crossover Clinical Trial. JOURNAL OF INTEGRATIVE AND COMPLEMENTARY MEDICINE 2024; 30:560-575. [PMID: 38364185 DOI: 10.1089/jicm.2023.0183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Introduction: Electroacupuncture (EA) has been applied in dysmenorrhea and has shown good efficacy. The mechanisms of EA are associated with autonomic nervous system adjustments and neuroendocrine regulation. Laser acupuncture (LA), however, has been widely investigated for its noninvasiveness. However, it remains uncertain whether LA is as effective as EA. This study aimed to compare EA and LA head to head in dysmenorrhea. Methods: A crossover, randomized clinical trial was conducted. EA or LA was applied to selected acupuncture points. Participants were randomized into two sequence treatment groups who received either EA or LA twice per week in luteal phase for 3 months followed by 2-month washout, then shifted to other groups (sequence 1: EA > LA; sequence 2: LA > EA). Outcome measures were heart rate variability (HRV), prostaglandins (PGs), pain, and quality-of-life (QoL) assessment (QoL-SF12). We also compared the effect of EA and LA in low and high LF/HF (low frequency/high frequency) status. Results: Totally, 43 participants completed all treatments. Both EA and LA significantly improved HRV activity and were effective in reducing pain (Visual Analog Scale [VAS]; EA: p < 0.001 and LA: p = 0.010) and improving QoL (SF12: EA: p < 0.001, LA, p = 0.017); although without intergroup difference. EA reduced PGs significantly (p < 0.001; δ p = 0.068). In low LF/HF, EA had stronger effects than LA in increasing parasympathetic tone in respect of percentage of successive RR intervals that differ by more than 50 ms (pNN50; p = 0.053) and very low-frequency band (VLF; p = 0.035). Conclusion: There is no significant difference between EA and LA in improving autonomic nervous system dysfunction, pain, and QoL in dysmenorrhea. EA is prominent in PGs changing and preserving vagus tone in low LF/HF; yet LA is noninvasive for those who have needle phobia. Whether LA is equivalent with EA and the mechanism warrants further study. Clinical trial identification number: NCT04178226.
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Affiliation(s)
- Tsai-Ju Chien
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Zhong-Zhou, Taipei City Hospital, Taipei, Taiwan
- Institute of Traditional Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Shuo Huang
- Institute of Traditional Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
- Department of Traditional Medicine, Branch of Yang-Ming, Taipei City Hospital, Taipei, Taiwan
| | - Li-Lan Liao
- Department of Traditional Medicine, Branch of Kunming, Taipei City Hospital, Taipei, Taiwan
| | - Chi-Chang Chu
- Department of Gynecology and Obstetrics, Branch of Yang-Ming, Taipei City Hospital, Taipei, Taiwan
| | - Juo-Hsiang Pai
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Zhong-Zhou, Taipei City Hospital, Taipei, Taiwan
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Daigo E, Daigo Y, Idogaki J, Fukuoka H, Fukuoka N, Ishikawa M, Takahashi K. Photobiomodulation Activates Microglia/Astrocytes and Relieves Neuropathic Pain in Inferior Alveolar Nerve Injury. Photobiomodul Photomed Laser Surg 2023; 41:694-702. [PMID: 38085185 DOI: 10.1089/photob.2023.0078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023] Open
Abstract
Objective: This study aimed to determine microglial/astrocyte changes and their associated analgesic effect in inferior alveolar nerve injury (IANI) model rats treated with photobiomodulation therapy (PBMT) using a 940-nm diode laser. Background: Very few basic studies have investigated microglial/astrocyte dynamics following PBMT aimed at relieving neuropathic pain caused by IANI. Methods: Rats were divided into an IANI-PBM group, IANI+PBM group, and sham+PBM group. Observations were made on the day before IANI or the sham operation and on postoperative days 3, 5, 7, 14, and 28. PBMT was delivered for 7 consecutive days, with an energy density of 8 J/cm2. Behavioral analysis was performed to determine pain thresholds, and immunohistological staining was performed for the microglia marker Iba1 and astrocyte marker glial fibrillary acidic protein, which are observed in the spinal trigeminal nucleus. Results: Behavioral analysis showed that the pain threshold returned to the preoperative level on postoperative day 14 in the IANI+PBM group, but decreased starting from postoperative day 1 and did not improve thereafter in the IANI-PBM group (p ≤ 0.001). Immunological analysis showed that microglial and astrocyte cell counts were similar in the IANI+PBM group and IANI-PBM group shortly after IANI (day 3), but the expression area was larger (p ≤ 0.001) and hypertrophy of microglia and astrocyte cell bodies and end-feet extension (i.e., indicators of activation) were more prominent in the IANI+PBM group. Conclusions: PBMT after IANI prevented hyperalgesia and allodynia by promoting glial cell activation shortly after injury.
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Affiliation(s)
| | - Yuki Daigo
- Department of Geriatric Dentistry, Osaka Dental University, Osaka City, Japan
| | - Jun Idogaki
- Department of Geriatric Dentistry, Osaka Dental University, Osaka City, Japan
| | | | | | | | - Kazuya Takahashi
- Department of Geriatric Dentistry, Osaka Dental University, Osaka City, Japan
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Dos Santos Malavazzi TC, Fernandes KPS, Lopez TCC, Rodrigues MFSD, Horliana ACRT, Bussadori SK, Mesquita-Ferrari RA. Effects of the invasive and non-invasive systemic photobiomodulation using low-level laser in experimental models: A systematic review. Lasers Med Sci 2023; 38:137. [PMID: 37318623 DOI: 10.1007/s10103-023-03799-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 05/31/2023] [Indexed: 06/16/2023]
Abstract
Systemic photobiomodulation (PBM) of the blood or over blood vessels has been associated with bio-stimulating, vasodilating, and anti-inflammatory properties. This treatment modality has been used for modulating inflammatory processes, tissue repair, atherosclerosis, and systemic arterial hypertension, and is described more often in clinical studies than experimental models. Therefore, the aim of the present study was to conduct a literature review regarding the effect of systemic PBM involving the intravascular laser irradiation of blood (ILIB) or non-invasive vascular photobiomodulation (VPBM) using low-level laser (LLL) in experimental (animal) models. The PubMed/MEDLINE®, Scopus, SPIE Digital Library, and Web of Science databases were searched for articles on the use of VPBM with LLL in animal models. Nine original articles met the inclusion criteria and were critically evaluated. The variables of interest were the dosimetric laser parameters, different methods for delivering energy, and the main results. The use laser in the red spectrum was more prevalent and VPBM (non-invasive) predominated over ILIB (invasive). No standardization was found in the dosimetric parameters. However, the studies showed the positive effects of VPBM on arterial pressure and blood circulation, the positive effects of ILIB on blood composition and hematological markers, as well as positive effects of both forms of systemic PBM (ILIB and VPBM) on the tissue repair process. In conclusion, the studies evaluated in the present review showed that the use of systemic PBM with ILIB or non-invasive VPBM induced positive effects, modulating metabolic conditions and tissue repair. However, there is a need for standardization in the dosimetric parameters for the different conditions and processes evaluated using experimental models.
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Affiliation(s)
- Tainá Caroline Dos Santos Malavazzi
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
| | - Kristianne Porta Santos Fernandes
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
| | - Talita Christine Camilo Lopez
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
| | - Maria Fernanda Setubal Destro Rodrigues
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
| | - Anna Carolina Ratto Tempestini Horliana
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
| | - Sandra Kalil Bussadori
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil
- Postgraduate Program in Rehabilitation Sciences, UNINOVE, São Paulo, SP, 01525-000, Brazil
| | - Raquel Agnelli Mesquita-Ferrari
- Postgraduate Program in Biophotonics Applied to the Health Sciences, Universidade Nove de Julho (UNINOVE), 235/249 Vergueiro Street, São Paulo, SP, 01525-000, Brazil.
- Postgraduate Program in Rehabilitation Sciences, UNINOVE, São Paulo, SP, 01525-000, Brazil.
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Yin S, Gao P, Yu L, Zhu L, Yu W, Chen Y, Yang L. Engineering 2D Silicene-Based Mesoporous Nanomedicine for In Vivo Near-Infrared-Triggered Analgesia. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202735. [PMID: 35750652 PMCID: PMC9443434 DOI: 10.1002/advs.202202735] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Indexed: 06/15/2023]
Abstract
The utilization of local anesthetics for postoperative analgesia represents an effective approach, but generally suffers from short half-lives and brachychronic local neurotoxicity. A desirable anesthetic with controllable and sustainable drug-releasing performance for adequate analgesia effect is highly required. In this work, the core/shell-structured two-dimenional (2D) silicene nanosheets coated with mesoporous silica layer (abbreviated as Silicene@MSNs) have been rationally constructed as localized drug-delivery system in sciatic nerve block to achieve on-demand release of loaded ropivacaine (RP) in mesoporous silica layer for local analgesia. Based on the specific photothermal performance of 2D silicene core, this local anesthesia system can be triggered by near-infrared laser to release the loaded RP, resulting in on-demand and long-lasting regional anesthesia. The analgesia effect is assessed by pain behavior tests, which demonstrates that the RP-loaded Silicene@MSNs core/shell nanosystem behaves almost five times longer analgesia effect than free RP. Furthermore, the activation of pain-related neurons in nerve conduction pathways is tested to explore the underlying analgesia mechanism, revealing that the designed nanosystem can improve the pain threshold, reduce the activation of neurons in dorsal root ganglion and excitability in spinal substantia gelatinosa neurons. This designed anesthetic nanomedicine provides a facile but effective methodology for long-lasting regional anesthesia.
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Affiliation(s)
- Suqing Yin
- Department of AnesthesiologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200127P. R. China
| | - Po Gao
- Department of AnesthesiologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200127P. R. China
| | - Luodan Yu
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Ling Zhu
- Department of AnesthesiologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200127P. R. China
| | - Weifeng Yu
- Department of AnesthesiologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200127P. R. China
| | - Yu Chen
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Liqun Yang
- Department of AnesthesiologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200127P. R. China
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Optimization of Photobiomodulation Dose in Biological Tissue by Adjusting the Focal Point of Lens. PHOTONICS 2022. [DOI: 10.3390/photonics9050350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
The optical power density in biotissue is an important issue for photobiomodulation (PBM) clinical applications. In our previous study, the maximal dose and the power density distributions of 830 nm lasers under human skin could be exactly calculated and measured. In this work, the laser power density in tissue can be changed by adjusting the focal point of the lens. From the experimental results, it is evident that the power densities on the attached gingiva and the surrounding tissues can be improved. Thus, the dose of a near-infrared (NIR) laser in the target tissue can be increased with a suitable lens. Most importantly, focusing lasers on deeper tissue can avoid any damage to the skin. This study provides a dose optimization method on the target tissue, and the results can be applied to clinical applications, especially laser acupuncture (LA).
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Peron R, Rampazo ÉP, Liebano RE. Traditional acupuncture and laser acupuncture in chronic nonspecific neck pain: study protocol for a randomized controlled trial. Trials 2022; 23:408. [PMID: 35578302 PMCID: PMC9109358 DOI: 10.1186/s13063-022-06349-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 04/25/2022] [Indexed: 09/02/2023] Open
Abstract
Background Nonspecific neck pain is a multifactorial and very common condition in adult individuals, traditional acupuncture (TA) and laser acupuncture (LA) may be treatment options for certain individuals in such a condition. However, no reports were found in the literature comparing the effectiveness of TA and LA in cases of chronic nonspecific neck pain. Therefore, the aim of the present study is to investigate the effectiveness of TA and LA therapies in individuals with chronic nonspecific neck pain, noting which one is more efficient for this condition. The result of this research will have direct implications for pain management and, consequently, may benefit individuals suffering from nonspecific chronic neck pain. Methods/design This will be a controlled and randomized clinical trial. Eighty-four individuals will be recruited and distributed equally and randomly into 3 groups: TA (which will receive the acupuncture treatment with needles), LA (which will receive the laser acupuncture treatment), and Sham (who will receive the placebo intervention). The acupuncture points (Tianzhu, Fengchi, Jianjing, and Jianzhongshu) will be stimulated bilaterally. The primary outcome will be pain intensity, determined using the Numerical Rating Scale. The secondary outcomes will be pressure pain threshold, temporal summation of pain, conditioned pain modulation, use of analgesic medicines after treatment, and the global perceived effect scale. The assessments will be performed immediately before and after the treatment, which will be a single session, at the follow-up and 1 month after the end of the treatments; evaluation will be made of the pain intensity and the global perceived effect. Statistical analysis of the data obtained will consider a significance level of p < 0.05. Discussion This study will provide evidence concerning the effects of LA treatment, in comparison with TA and sham intervention, leading to benefits for individuals suffering from chronic nonspecific neck pain. Trial registration Brazilian Registry of Clinical Trials - ReBEC RBR-7vbw5gd. Date of registration: August 06th, 2021.
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Teixeira MA, Papini JZB, Garcez A, Tofoli GR. Comparative analysis of two laser wavelengths in the stimulation of acupuncture points for analgesic effects in an animal model. JOURNAL OF BIOPHOTONICS 2022; 15:e202100213. [PMID: 34658149 DOI: 10.1002/jbio.202100213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/17/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
This study compares the effectiveness of two laser wavelengths for stimulating acupoints in an experimental model of acute postoperative pain. Forty-five Wistar rats were randomly assigned to receive treatment on their left hind paw, contralateral to a surgical procedure. Laser treatments were performed with Green Laser-GL (532 nm, 70 mW and 7 J/cm2 of energy), Red Laser-RL (660 nm, 100 mW and 7 J/cm2 of energy), or with Laser Off-LO. After each application, the animals were evaluated with a Von Frey analgesiometer to check for painful sensitivity on their right (with surgery) and left (without surgery) hind paws. Neuropeptides and cytokine levels in the incision site tissue of the right paw were measured by ELISA after 1, 6 and 24 hours. It was possible to observe that, in this pain model, both lasers promoted analgesia and that the GL altered the levels of TNF-α and IL-1β.
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Affiliation(s)
| | | | - Aguinaldo Garcez
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, Brazil
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12
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Strong Twirling-Rotating Manual Acupuncture with 4 r/s Is Superior to 2 r/s in Relieving Pain by Activating C-Fibers in Rat Models of CFA-Induced Pain. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5528780. [PMID: 34675986 PMCID: PMC8526210 DOI: 10.1155/2021/5528780] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 06/23/2021] [Accepted: 08/29/2021] [Indexed: 12/22/2022]
Abstract
Background Manual acupuncture (MA) with different stimulus frequencies may give rise to varying acupuncture effects. However, the intensity-effect relationship and the underlying mechanisms of MA remain unclear. Objective To compare the analgesic effects of different frequencies of twirling-rotating MA on rats with complete Freund's adjuvant- (CFA-) induced pain and explore the underlying mechanism via peripheral sensory nerves. Methods First, 36 healthy male Wistar rats were randomly divided into 6 groups: control group, 2 r/s MA group (twirling-rotating MA with the frequency of 2 revolutions per second), 4 r/s MA group (twirling-rotating MA with the frequency of 4 revolutions per second), CFA group, CFA + 2 r/s MA group, and CFA + 4 r/s MA group. Rats in three CFA groups received an intraplantar injection of CFA to establish a pain model, while the rats in other three groups received an intraplantar injection of saline. Rats in the 2 r/s MA group and 4 r/s MA group were treated with the corresponding frequencies of twirling-rotating MA on bilateral Zusanli (ST36) and Kunlun (BL60) for 7 days. The ipsilateral nociceptive thresholds (paw withdrawal latency; PWL) were tested to evaluate the analgesic effects. Second, 9 healthy male Wistar rats were randomly divided into 3 groups: control group, 2 r/s MA group, and 4 r/s MA group. The proportion of C-fiber neurons (calcitonin gene-related peptide- (CGRP-) positive neurons) and A-fiber neurons (neurofilament 200- (NF200-) positive neurons) in the dorsal root ganglia (DRG) activated by MA were quantitatively analyzed with the morphological immunofluorescence staining method. Third, 30 healthy male Wistar rats were randomly divided into 6 groups: control group, CFA group, CFA + 2 r/s MA group, CFA + 2 r/s MA + RTX group, CFA + 4 r/s MA group, and CFA + 4 r/s MA + RTX group. Resiniferatoxin (RTX) was injected into the acupoints before acupuncture. PWL was evaluated to investigate the analgesic effect. Results Both types of MA treatment increased the PWL of saline-injecting rats and pain model rats. Moreover, 4 r/s MA was superior to 2 r/s MA in increasing PWL. A higher quantity of excited C-fiber neurons was observed following 4 r/s MA than 2 r/s MA, while the reverse was observed in the activation of A-fiber neurons. Following the injection of RTX to inhibit the activation of C-fibers, the analgesic effect of 4 r/s MA reduced significantly but not of 2 r/s MA. Conclusion Strong MA (4 r/s MA) has superior analgesic effects to gentle MA (2 r/s MA) on CFA model rats, which is associated with C-fiber activation.
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Guidance for Acupuncture Robot with Potentially Utilizing Medical Robotic Technologies. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:8883598. [PMID: 33859714 PMCID: PMC8026281 DOI: 10.1155/2021/8883598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 03/20/2021] [Accepted: 03/23/2021] [Indexed: 11/18/2022]
Abstract
Acupuncture is gaining increasing attention and recognition all over the world. However, a lot of physical labor is paid by acupuncturists. It is natural to resort to a robot which can improve the accuracy as well as the efficacy of therapy. Several teams have separately developed real acupuncture robots or related technologies and even went to the stage of clinical trial and then achieved success commercially. A completed clinical practical acupuncture robot is not far from reach with the combination of existing mature medical robotic technologies. A hand-eye-brain coordination framework is proposed in this review to integrate the potential utilizing technologies including force feedback, binocular vision, and automatic prescription. We should take acupuncture prescription with artificial intelligence and future development trends into account and make a feasible choice in development of modern acupuncture.
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The Application of Laser Acupuncture in Animal Experiments: A Narrative Review of Biological Aspects. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6646237. [PMID: 33680056 PMCID: PMC7929682 DOI: 10.1155/2021/6646237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/31/2021] [Accepted: 02/17/2021] [Indexed: 12/30/2022]
Abstract
Experimental studies on animals are conducted in almost all areas of medical research. The experiments offer insights into diseases and expand biomedical knowledge. Animal experiments are also imperative for studying acupuncture treatment mechanisms and the exploration of innovative acupuncture techniques. Laser acupuncture (LA), as a promising alternative to traditional manual acupuncture (MA), has the characteristics of painless and controllable stimulation. Today, society is more aware of animal welfare than previous generations. The use of noninvasive LA as a substitute for invasive MA in basic experimental research of acupuncture should be encouraged. Thus, we conducted an overview of animal experiments in the research field of LA from January 1978 to April 2020. After careful research, 52 studies were included in the work. Among these studies, both single-point and multipoint LA studies have been reported. To make noninvasive LA better in replacing invasive MA in experimental animal research of acupuncture, further experiments should focus on exploring uniform criteria for selecting laser parameters and revealing the extent to which the curative effect of LA depends on the property of acupuncture points rather than the characteristics of photobiomodulation.
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Li D, Chung G, Kim SK. The Involvement of Central Noradrenergic Pathway in the Analgesic Effect of Bee Venom Acupuncture on Vincristine-Induced Peripheral Neuropathy in Rats. Toxins (Basel) 2020; 12:toxins12120775. [PMID: 33291335 PMCID: PMC7762247 DOI: 10.3390/toxins12120775] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 12/15/2022] Open
Abstract
Vincristine is a vinca alkaloid anti-mitotic drug with a broad spectrum of effects on solid and hematologic cancers. The major dose-limiting factor of this anti-cancer regimen is painful peripheral neuropathy. However, no gold-standard analgesic option has been used clinically. In this study, we investigated the effects and mechanism of bee venom acupuncture (BVA) to alleviate peripheral neuropathic pain induced by repeated intraperitoneal infusions of vincristine (1 mg/kg/day, days 1–5 and 8–12) in rats. Subcutaneous injection with bee venom (BV, 1.0 mg/kg) at the ST36 acupoint ameliorated cold and mechanical hypersensitivity (i.e., aberrant withdrawal responses in acetone drop and von Frey hair tests, respectively). In vivo extracellular recording demonstrated that BVA inhibited cutaneous cold (acetone) and mechanical (brush, press, and pinch) stimuli-elicited abnormal hyperexcitation of the spinal wide dynamic range (WDR) neurons in vincristine-treated rats. In addition, the microinjection of lidocaine into the ipsilateral locus coeruleus or the antagonism of the spinal α2-adrenergic receptors clearly reversed the effects of BVA on cold and mechanical hypersensitivity, indicating a vital role of the descending noradrenergic modulation in analgesia. These findings suggest that BVA could be a potential therapeutic option for vincristine-induced peripheral neuropathy.
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Affiliation(s)
- Daxian Li
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
| | - Geehoon Chung
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea;
| | - Sun Kwang Kim
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea;
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
- Correspondence:
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Li D, Yoo JH, Kim SK. Long-Lasting and Additive Analgesic Effects of Combined Treatment of Bee Venom Acupuncture and Venlafaxine on Paclitaxel-Induced Allodynia in Mice. Toxins (Basel) 2020; 12:toxins12100620. [PMID: 32998357 PMCID: PMC7600305 DOI: 10.3390/toxins12100620] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/18/2020] [Accepted: 09/25/2020] [Indexed: 12/11/2022] Open
Abstract
Paclitaxel, a primary chemotherapeutic agent used to treat numerous solid malignancies, is commonly associated with debilitating peripheral neuropathy. However, a satisfactory gold-standard monotherapy for this neuropathic pain is not currently available. A combination strategy of two or more medications with different properties may achieve more beneficial effects than monotherapy. Thus, we investigated the analgesic efficacies and spinal mechanisms of the combination strategy, including bee venom acupuncture (BVA) and venlafaxine (VLX) against paclitaxel-induced allodynia in mice. Four intraperitoneal infusions of paclitaxel on alternating days (2 mg/kg/day) induced cold and mechanical allodynia for at least 1 week as assessed using acetone and the von Frey hair test, respectively. Co-treatment of BVA (1.0 mg/kg, s.c., ST36) with VLX (40 mg/kg, i.p.) at the medium dose produced a longer-lasting and additive effect than each monotherapy at the highest dose (BVA, 2.5 mg/kg; VLX, 60 mg/kg). Spinal pre-administration of idazoxan (α2-adrenergic receptor antagonist, 10 μg), methysergide (mixed 5-HT1/5-HT2 receptor antagonist, 10 μg), or MDL-72222 (5-HT3 receptor antagonist, 10 μg) abolished this analgesia. These results suggest that the combination therapy with BVA and VLX produces long-lasting and additive analgesic effects on paclitaxel-induced allodynia, via the spinal noradrenergic and serotonergic mechanism, providing a promising clinical strategy.
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Affiliation(s)
- Daxian Li
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
| | - Ju Hyuk Yoo
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
| | - Sun Kwang Kim
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea;
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Correspondence:
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Xiang A, Liu H, Qu X, Liu S, Shen X. Approach Behavior Induced by 10.6-μm Laser Stimulation at Acupoint ST36 in a Rat Model of Incisional Pain. Photobiomodul Photomed Laser Surg 2020; 38:385-391. [DOI: 10.1089/photob.2019.4762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Anfeng Xiang
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hui Liu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoyi Qu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Sheng Liu
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xueyong Shen
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Chien A, Yang CC, Chang SC, Jan YM, Yang CH, Hsieh YL. Ultrasound Acupuncture for Oxaliplatin-induced Peripheral Neuropathy in Patients With Colorectal Cancer: A Pilot Study. PM R 2020; 13:55-65. [PMID: 32168417 DOI: 10.1002/pmrj.12361] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 02/21/2020] [Accepted: 03/03/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Oxaliplatin is frequently used in the treatment of metastatic colorectal cancer. However, peripheral neuropathy is a severe adverse effect of oxaliplatin that may persist and impact quality of life. OBJECTIVE To assess the potential effects of ultrasound acupuncture for the alleviation of symptoms related to oxaliplatin-induced peripheral neuropathy (OIPN) among patients with metastatic colorectal cancer. DESIGN Prospective cohort pilot study. SETTING Education and research hospital. PARTICIPANTS Patients with a diagnosis of stage II-IV colorectal cancer undergoing oxaliplatin-based treatment regimens who experienced OIPN symptoms (n = 17). INTERVENTIONS Pulsed therapeutic ultrasound (1 MHz) at bilateral acupuncture points of PC6, PC7, BL60, and KI1 was administered for 5 minutes per point daily for 12 days. MAIN OUTCOME MEASUREMENTS Pain Quality Assessment Scale (PQAS), Chemotherapy-induced Neurotoxicity Questionnaire (CINQ), quantitative touch-detection threshold, cold-trigger pain withdrawal latency, and quality of life (EORTC QLQ-C30) were measured at baseline (day 0), pre-intervention (day 12, post wash-out period), post-intervention (day 24), and final follow-up (day 54). A P value of less than .05 was considered statistically significant. RESULTS Scores of PQAS and CINQ significantly improved after ultrasound acupuncture at post-intervention and follow-up compared to both baseline and pre-intervention. Similar trends were also observed for the quantitative sensory testing, where touch-detection threshold significantly decreased and cold-trigger pain withdrawal latency significantly increased after ultrasound acupuncture. Patients also showed an improvement on quality of life outcomes as measured by QLQ-C30 post-intervention and at follow-up. CONCLUSIONS Ultrasound acupuncture could be an effective intervention for OIPN symptoms for patients with colorectal cancer. However, larger and randomized clinical trials with placebo controls are needed to confirm such effects.
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Affiliation(s)
- Andy Chien
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan
| | | | - Sheng-Chi Chang
- Department of Colorectal Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Yi-Min Jan
- Center for General Education, China Medical University, Taichung, Taiwan
| | - Ching-Hsiang Yang
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan
| | - Yueh-Ling Hsieh
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan
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Lin CH, Wu SY, Hu WL, Hung CH, Hung YC, Aurea Kuo CE. Laser acupuncture for refractory coccydynia after traumatic coccyx fracture: A case report. Medicine (Baltimore) 2020; 99:e18860. [PMID: 32028396 PMCID: PMC7015655 DOI: 10.1097/md.0000000000018860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Coccyx fracture is an injury usually caused by trauma. In most cases, the fractures recover after conservative therapy. For refractory cases that exhibit coccydynia after more than 2 months of conservative treatment, coccygectomy is indicated. However, limited information about the efficacy of this procedure is available, and it is known to have a high complication rate. As such, other therapeutic approaches are needed. Here, we report our experience using another conservative treatment option, low-level laser therapy, to successfully reduce refractory coccydynia in a patient with coccyx fracture. PATIENT CONCERNS A 23-year-old woman had refractory coccydynia and increased pain after a traffic accident-induced coccyx fracture. DIAGNOSES Initially, the patient reported transient improvement after conservative treatment with non-steroidal anti-inflammatory drugs. However, the pain increased in severity (numerical rating scale score of 8) soon after she resumed work in her office, and progressed in the following 2 months. Surgical intervention was suggested owing to the prolonged coccydynia following the failure of conservative treatment and difficulties in performing daily life activities. However, she sought other conservative therapy options, because she was concerned about the risks associated with the coccygectomy surgery. INTERVENTIONS The patient received low-level laser therapy once a week, for 24 weeks. OUTCOMES After 11 weeks of treatment, the patient reported significant improvements in her symptoms; her pain was reduced to a numerical rating scale score of 2 and bone healing was noted on radiographs. The patient could eventually perform her daily activities satisfactorily, without coccydynia, after 24 weeks of treatment. LESSONS Laser acupuncture produced analgesic effects in this patient with refractory coccydynia after traumatic coccyx fracture. This is the first case report to apply laser acupuncture for refractory coccydynia after traumatic coccyx fracture. Our findings imply that laser acupuncture may be a good conservative therapy option for coccyx fracture.
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Affiliation(s)
- Chien-Hung Lin
- Department of Traditional Medicine, Kaohsiung Chang Gung Memorial Hospital
| | - Szu-Ying Wu
- Department of Traditional Medicine, Kaohsiung Chang Gung Memorial Hospital
- Department of Sports Medicine
| | - Wen-Long Hu
- Department of Traditional Medicine, Kaohsiung Chang Gung Memorial Hospital
- College of Medicine, Kaohsiung Medical University
- College of Nursing, Fooyin University, Kaohsiung
| | - Chia-Hung Hung
- Department of Orthopaedics, Fu Jen Catholic University Hospital, Taipei
| | - Yu-Chiang Hung
- Department of Traditional Medicine, Kaohsiung Chang Gung Memorial Hospital
- School of Chinese Medicine for Post Baccalaureate, I-Shou University, Kaohsiung
| | - Chun-En Aurea Kuo
- Department of Traditional Medicine, Kaohsiung Chang Gung Memorial Hospital
- Department of Nursing, Meiho University, Pingtung, Taiwan
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Tamtaji OR, Naderi Taheri M, Notghi F, Alipoor R, Bouzari R, Asemi Z. The effects of acupuncture and electroacupuncture on Parkinson's disease: Current status and future perspectives for molecular mechanisms. J Cell Biochem 2019; 120:12156-12166. [PMID: 30938859 DOI: 10.1002/jcb.28654] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/18/2018] [Accepted: 02/07/2019] [Indexed: 12/11/2022]
Abstract
Among the progressive neurodegenerative disorders, Parkinson's disease (PD) is the second most common. Different factors have critical role in pathophysiology of PD such as apoptosis pathways, inflammatory cytokines, oxidative stress, and neurotransmitters and its receptors abnormalities. Acupuncture and electroacupuncture were considered as nondrug therapies for PD. Although numerous studies has been conducted for assessing the mechanism underlying electroacupuncture and acupuncture, various principal aspects of these treatment procedures remain not well-known. There have also been few investigations on the molecular mechanism of acupuncture and electroacupuncture therapy effects in PD. This review evaluates the effects of electroacupuncture and acupuncture on the molecular mechanism in PD.
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Affiliation(s)
- Omid Reza Tamtaji
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Islamic Republic of Iran
| | - Mojtaba Naderi Taheri
- Nursing and Midwifery Care Research Center, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.,Deptartment of Community Health and Geriatric Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Fahimeh Notghi
- Neuromusculoskeletal Research Center, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Reza Alipoor
- Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Reihanesadat Bouzari
- Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Islamic Republic of Iran
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Mechanisms of acute and chronic pain after surgery: update from findings in experimental animal models. Curr Opin Anaesthesiol 2019; 31:575-585. [PMID: 30028733 DOI: 10.1097/aco.0000000000000646] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE OF REVIEW Management of postoperative pain is still a major issue and relevant mechanisms need to be investigated. In preclinical research, substantial progress has been made, for example, by establishing specific rodent models of postoperative pain. By reviewing most recent preclinical studies in animals related to postoperative, incisional pain, we outline the currently available surgical-related pain models, discuss assessment methods for pain-relevant behavior and their shortcomings to reflect the clinical situation, delineate some novel clinical-relevant mechanisms for postoperative pain, and point toward future needs. RECENT FINDINGS Since the development of the first rodent model of postoperative, incisional pain almost 20 years ago, numerous variations and some procedure-specific models have been emerged including some conceivably relevant for investigating prolonged, chronic pain after surgery. Many mechanisms have been investigated by using these models; most recent studies focussed on endogenous descending inhibition and opioid-induced hyperalgesia. However, surgical models beyond the classical incision model have so far been used only in exceptional cases, and clinical relevant behavioral pain assays are still rarely utilized. SUMMARY Pathophysiological mechanisms of pain after surgery are increasingly discovered, but utilization of pain behavior assays are only sparsely able to reflect clinical-relevant aspects of acute and chronic postoperative pain in patients.
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Effects of laser needle-knife therapy on vertebroarterial morphology and protein expression of PI-3K, AKT and VEGF in the carotid artery in a rabbit model of cervical spondylotic arteriopathy. Saudi J Biol Sci 2018; 26:390-394. [PMID: 31485183 PMCID: PMC6717135 DOI: 10.1016/j.sjbs.2018.11.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 11/16/2018] [Accepted: 11/18/2018] [Indexed: 12/03/2022] Open
Abstract
Purpose To explore how the use of a laser needle-knife affects vertebroarterial morphology and protein expression of PI-3K, AKT and VEGF in the carotid artery of a rabbit model of cervical spondylotic arteriopathy (CSA), and to determine its primary treatment mechanism. Methods The CSA rabbit model consisted of 30 rabbits with CSA that were randomly divided into a model group (n = 10), an acupuncture group (n = 10) and a laser needle-knife group (n = 10) plus a further 10 wild type rabbits placed into a normal group. Rabbits in the acupuncture group were treated by needling the Fengchi (GB 20) and Jiaji (EX-B2) acupoints, while those in the laser needle-knife group were treated with a laser needle-knife on the Jiaji (EX-B2) near the spinous process of the fifth cervical vertebra, the rabbit in both groups immobilized during treatment. Rabbits in the other two groups received no treatment, but were immobilized for a similar duration. The morphology of the right vertebral artery and the distribution of pore size before and after treatment were compared using BET and SEM, and the protein expression of PI-3K, AKT and VEGF in the carotid artery of the four groups measured using Western blot analysis. Results The pore diameter and specific surface area of the right vertebral artery increased after treatment, as did the number of micropores. Compared with the normal group, the protein expression of PI-3K, AKT and VEGF in the carotid artery of the model group was significantly lower (P < 0.05), while that of the laser needle-knife group was significantly higher (P < 0.05 and P < 0.01). In addition, rabbits from the acupuncture and laser needle-knife groups demonstrated significantly higher levels of protein expression of PI-3K and VEGF in the carotid artery compared with the model group (P < 0.05 and P < 0.01). Conclusions By promoting micrangium hyperplasia within the vertebral artery of rabbits with CSA, treatment with a laser needle-knife modified the protein expression of PI-3K, AKT and VEGF, suggesting that laser needle-knife therapy possibly treats CSA though these signaling pathways.
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