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Morgan RM, Wheeler TD, Poolman MA, Haugen ENJ, LeMire SD, Fitzgerald JS. Effects of Photobiomodulation on Pain and Return to Play of Injured Athletes: A Systematic Review and Meta-analysis. J Strength Cond Res 2024; 38:e310-e319. [PMID: 38781474 DOI: 10.1519/jsc.0000000000004752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
ABSTRACT Morgan, RM, Wheeler, TD, Poolman, MA, Haugen, ENJ, LeMire, SD, and Fitzgerald, JS. Effects of photobiomodulation on pain and return to play of injured athletes: A systematic review and meta-analysis. J Strength Cond Res 38(6): e310-e319, 2024-The aims of this systematic review and meta-analysis were to evaluate the effect of photobiomodulation (PBM) on musculoskeletal pain in injured athletes and to determine if the effects of PBM allowed injured athletes to return to play faster. Electronic databases (MEDLINE Complete, CINAHL, and SPORTDiscus, PubMed, Web of Science, and Embase) were systematically searched (up to and including November 7, 2023) for peer-reviewed randomized controlled trials (RCTs) meeting criteria. Six RCTs, representing 205 competitive and recreational athletes with a mean age of 24 years, were included in the analysis. There were 6 intervention groups using standard physical therapy (n = 1), placebo PBM (n = 4), and aloe gel (n = 1) lasting between 10 minutes and 8 weeks in duration. The level of significance set for the study was p < 0.05. Overall, the use of PBM indicated a positive effect on pain reduction for PBM vs. control groups, standardized mean differences = 1.03, SE = 0.22, 95% confidence intervals = [0.43-1.63], p = 0.0089, but the 2 RCTs found evaluating the effect of PBM on time to return to play after injury in athletes do not support a benefit. Allied healthcare professionals may use PBM to reduce pain, thus allowing an athlete to return to their normal biomechanical movement faster; however, limited evidence suggests that PBM does not reduce time to return to play after an injury.
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Affiliation(s)
- Richard M Morgan
- Department of Physical Therapy, University of North Dakota, Grand Forks, North Dakota
| | - Tyler D Wheeler
- Department of Athletic Training, Training HAUS, Eagan, Minnesota
| | - Mark A Poolman
- Department of Sports Medicine, University of North Dakota, Grand Forks, North Dakota
| | - Erin N J Haugen
- Department of Clinical and Sport Psychology, Assessment and Therapy Associates of Grand Forks, PLLC, Grand Forks, North Dakota
| | - Steven D LeMire
- Department of Educational Foundations and Research, University of North Dakota, Grand Forks, North Dakota; and
| | - John S Fitzgerald
- Department of Education, Health and Behavior Studies, University of North Dakota, Grand Forks, North Dakota
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Ma Q, Fan Y, Cui Y, Luo Z, Kang H. A Preliminary Study on Quantitative Analysis of Collagen and Apoptosis Related Protein on 1064 nm Laser-Induced Skin Injury. BIOLOGY 2024; 13:217. [PMID: 38666829 PMCID: PMC11048553 DOI: 10.3390/biology13040217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/18/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024]
Abstract
To investigate the associated factors concerning collagen and the expression of apoptosis-related proteins in porcine skin injuries induced by laser exposure, live pig skin was irradiated at multiple spots one time, using a grid-array method with a 1064 nm laser at different power outputs. The healing process of the laser-treated areas, alterations in collagen structure, and changes in apoptosis were continuously observed and analyzed from 6 h to 28 days post-irradiation. On the 28th day following exposure, wound contraction and recovery were notably sluggish in the medium-high dose group, displaying more premature and delicate type III collagen within the newly regenerated tissues. The collagen density in these groups was roughly 37-58% of that in the normal group. Between days 14 and 28 after irradiation, there was a substantial rise in apoptotic cell count in the forming epidermis and granulation tissue of the medium-high dose group, in contrast to the normal group. Notably, the expression of proapoptotic proteins Bax, caspase-3, and caspase-9 surged significantly 14 days after irradiation in the medium-high dose group and persisted at elevated levels on the 28th day. During the later stage of wound healing, augmented apoptotic cell population and insufficient collagen generation in the newly generated skin tissue of the medium-high dose group were closely associated with delayed wound recovery.
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Affiliation(s)
- Qiong Ma
- Beijing Institute of Radiation Medicine, Beijing 100850, China; (Q.M.); (Y.C.)
| | - Yingwei Fan
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China;
| | - Yufang Cui
- Beijing Institute of Radiation Medicine, Beijing 100850, China; (Q.M.); (Y.C.)
| | - Zhenkun Luo
- Beijing Institute of Radiation Medicine, Beijing 100850, China; (Q.M.); (Y.C.)
| | - Hongxiang Kang
- Beijing Institute of Radiation Medicine, Beijing 100850, China; (Q.M.); (Y.C.)
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Zhu Y, Zhou X, Peng X, Li H, Wang H, Guo Z, Xiong Y, Xu J, Ni X, Qi X. 1064nm Nd:YAG laser promotes chondrocytes regeneration and cartilage reshaping by upregulating local estrogen levels. JOURNAL OF BIOPHOTONICS 2024; 17:e202300443. [PMID: 38041518 DOI: 10.1002/jbio.202300443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/23/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
Cartilage is frequently used as a scaffolds for repairing and reconstructing body surface organs. However, after successful plastic surgery, transplanted cartilage scaffolds often exhibit deformation and absorption over time. To enhance the shaping stability of cartilage scaffolds and improve patients' satisfaction after reconstructions, we employed the ear folding models in New Zealand rabbits to confirm whether the 1064nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser could promote cartilage reshaping. There was an increase in collagen and aromatase (Cyp19) expression within the ear cartilage after laser treatment. Moreover, we have found that the Cyp19 inhibitor can inhibit the laser's effect on cartilage shaping and reduce collagen and Cyp19 expression. The overall findings suggest that treatment with 1064nm Nd:YAG laser irradiation can enhance estrogen levels in local cartilage tissues by upregulating Cyp19 expression in chondrocytes through photobiomodulation, thereby promoting the proliferation and collagen secretion of chondrocytes to improve cartilage reshaping and stability.
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Affiliation(s)
- Yingjie Zhu
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Xueqing Zhou
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Xieling Peng
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Hantao Li
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Hongshun Wang
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Ziwei Guo
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Yang Xiong
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Jiaqi Xu
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Xiangrong Ni
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
| | - Xiangdong Qi
- Department of Plastic & Aesthetic Surgery Center, Zhujiang Hospital, Southern Medical University, Guangzhou City, Guangdong Province, People's Republic of China
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Yun YJ, Kim DS, Won YH, Park SH, Ko MH, Seo JH, Kim GW. Therapeutic efficacy and safety of home-based portable laser irradiation on patients with wrist pain: a single-blinded randomized controlled trial. Lasers Med Sci 2024; 39:49. [PMID: 38280042 PMCID: PMC10821959 DOI: 10.1007/s10103-024-03975-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 01/02/2024] [Indexed: 01/29/2024]
Abstract
The purpose of this study is to confirm the effect of small, portable low-level laser therapy (light sources in square configuration: 830 nm GaAs diode 3.2 mW at the center, 4 × 650 nm InGaAIP diodes over the corners) treatment in reducing and enhancing hand function in patients with wrist pain. This study was a prospective, randomized, sham-controlled, and home-based self-therapy trial. A total of thirty subjects with wrist pain were enrolled. All participants received low-level laser therapy on painful area at the wrist. The experimental group (n = 15) received laser stimulation, while the control group (n = 15) received sham stimulation using identical equipment that generated only a red light without the laser output. Both groups self-treated for 30 min a day, 5 days per week for 3 weeks, total of 15 sessions. The primary outcome was assessed using a visual analogue scale (VAS) for wrist pain from 0 (painless) to 10 (extreme pain). The secondary outcomes were measured with patient-rated wrist evaluation (PRWE), grip strength, lateral, palmar, and tip pinch strength. Measures were taken before and after treatment. A total of thirty participants provided outcome data. After the intervention, both groups showed a significant decrease in VAS score, from 4.93 to 3.67 in experimental group, from 5.53 to 4.00 in control group (the experiment group: p = 0.020, the control group: p = 0.003). The experimental group showed a significant improvement in function scale score (p = 0.012), the control group did not. Lateral and pinch strength was significantly improved in the experimental group (p = 0.017) and in the control group (p = 0.034) respectively. There were no side effects in the patients. Medical laser irradiation is a portable and easy-to-use laser irradiator without side effects. Clinical Trial Registration number: KCT0006604.
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Affiliation(s)
- Young-Ji Yun
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
| | - Da-Sol Kim
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Yu Hui Won
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Sung-Hee Park
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Myoung-Hwan Ko
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Jeong-Hwan Seo
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Gi-Wook Kim
- Department of Physical Medicine and Rehabilitation, Jeonbuk National University Medical School, Jeonju, Republic of Korea.
- Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea.
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İnce S, Eyvaz N, Dündar Ü, Toktaş H, Yeşil H, Eroğlu S, Adar S. Clinical Efficiency of High-Intensity Laser Therapy in Patients With Cervical Radiculopathy: A 12-Week Follow-up, Randomized, Placebo-Controlled Trial. Am J Phys Med Rehabil 2024; 103:3-12. [PMID: 37204965 DOI: 10.1097/phm.0000000000002275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
OBJECTIVE The purpose of this study was to research the clinical effectiveness of high-intensity laser therapy combined with exercise on pain, quality of life, and disability in patients with cervical radiculopathy and compared it with that of placebo and exercise alone. DESIGN Ninety participants with cervical radiculopathy were randomized into the following three groups: high-intensity laser therapy + exercise ( n = 30), placebo + exercise ( n = 30), and exercise only ( n = 30). Pain, cervical range of motion, disability, and quality of life (36-item Short Form Health Survey) were assessed at baseline and weeks 4 and 12. RESULTS The mean age of the patients (66.7% female) was 48.9 ± 9.3 yrs. Pain intensity in the arm and neck, neuropathic and radicular pain levels, disability, and several parameters of the 36-item Short Form Health Survey showed an improvement in the short and medium term in all three groups. These improvements were greater in the high-intensity laser therapy + exercise group than in the other two groups. CONCLUSIONS High-intensity laser therapy + exercise was much more effective in improving medium-term radicular pain, quality of life, and functionality in patients with cervical radiculopathy. Thus, high-intensity laser therapy should be considered for the management of cervical radiculopathy. TO CLAIM CME CREDITS Complete the self-assessment activity and evaluation online at http://www.physiatry.org/JournalCME. CME OBJECTIVES At the conclusion of this article, readers will be able to: (1) Define cervical radicular pain and its clinical presentation, and explain the main pathomechanism in cervical radiculopathy (CR); (2) Describe the effects of laser administration on neuropathic pain; and (3) Discuss the clinical significance of coadministration of high-intensity laser therapy (HILT) with exercise (HILT + EX) in CR. LEVEL Advanced. ACCREDITATION The Association of Academic Physiatrists is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.The Association of Academic Physiatrists designates this Journal-based CME activity for a maximum of 1.0 AMA PRA Category 1 Credit(s) ™. Physicians should only claim credit commensurate with the extent of their participation in the activity.
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Affiliation(s)
- Songül İnce
- From the Department of Physical Medicine and Rehabilitation, Dinar State Hospital, Afyonkarahisar, Turkey (Sİ); and Department of Physical Medicine and Rehabilitation, School of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey (NE, ÜD, HT, HY, SE, SA)
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Martinez DM, Huh BK, Javed S. Case report: use of high-intensity laser therapy for treatment of trigeminal neuralgia. Pain Manag 2023; 13:709-716. [PMID: 38189105 DOI: 10.2217/pmt-2023-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024] Open
Abstract
Trigeminal neuralgia represents a form of chronic facial pain that is characterized by its incapacitating nature. The current therapeutic approaches encompass pharmacological agents with carbamazepine or non-pharmacologic options including utilization of percutaneous rhizotomy, Gamma knife radiosurgery or microvascular decompression may be indicated in certain cases. While the interventions may be effective, medications have negative side effects and procedures are invasive which can pose challenges for patients with various comorbidities. High-intensity laser therapy (HILT) has demonstrated safety and efficacy for many types of chronic pain such as musculoskeletal, autoimmune and neuropathic. Herein, we demonstrate the benefits of HILT therapy in the management of trigeminal neuralgia in a 72 year-old patient with a complex history of facial surgery and radiation who had failed pharmacological treatments and denied any invasive procedures.
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Affiliation(s)
- Diego M Martinez
- Tilman J. Fertitta Family College of Medicine, University of Houston, 5055 Medical Cir, Houston, TX 77204, USA
- Department of Pain Medicine, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Billy K Huh
- Department of Pain Medicine, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Saba Javed
- Department of Pain Medicine, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Mineroff J, Austin E, Jagdeo J. Cutaneous effects of photobiomodulation with 1072 nm light. Arch Dermatol Res 2023; 315:1481-1486. [PMID: 36495337 DOI: 10.1007/s00403-022-02480-7] [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: 10/14/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 12/14/2022]
Abstract
Photobiomodulation, also known as low-level light therapy, has gained popularity in treating a variety of dermatologic and non-dermatologic conditions. The near-infrared (NIR) portion ranging from 700 to 1440 nm has a broad spectrum but most current research focuses on relatively shorter wavelengths. To date, clinical research regarding the application of 1072 NIR is limited to treatments for infections and photorejuvenation treatment in females. However, 1072 NIR light therapy may benefit male patients. This theoretical application is based on the biological properties of this subgroup having increased cutaneous density and thickness and the physical properties of 1072 NIR allowing it to penetrate increased depth. 1072 NIR can reach more cells throughout the epidermis and dermis compared to other parts of the electromagnetic spectrum traditionally used in phototherapy to provide unique and targeted benefits. 1072 NIR light-emitting diodes are commercially available and therefore hold tremendous potential to become accessible, affordable treatment options. Given the increased demand and market size for aesthetics for men that remains untapped, there is opportunity for future research to elucidate the potential for this wavelength as a safe and effective treatment.
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Affiliation(s)
- Jessica Mineroff
- Department of Dermatology, State University of New York, Downstate Health Sciences University, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8th Floor, Brooklyn, NY, 11203, USA
| | - Evan Austin
- Department of Dermatology, State University of New York, Downstate Health Sciences University, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8th Floor, Brooklyn, NY, 11203, USA
| | - Jared Jagdeo
- Department of Dermatology, State University of New York, Downstate Health Sciences University, SUNY Downstate Medical Center, 450 Clarkson Avenue, 8th Floor, Brooklyn, NY, 11203, USA.
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Ahmad MA, Moganan M, A Hamid MS, Sulaiman N, Moorthy U, Hasnan N, Yusof A. Comparison between Low-Level and High-Intensity Laser Therapy as an Adjunctive Treatment for Knee Osteoarthritis: A Randomized, Double-Blind Clinical Trial. Life (Basel) 2023; 13:1519. [PMID: 37511894 PMCID: PMC10381799 DOI: 10.3390/life13071519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Low-level (LLLT) and high-intensity laser therapy (HILT) can be beneficial additions to knee osteoarthritis (KOA) rehabilitation exercises; however, it is still being determined which electrophysical agent is more effective. AIM To compare the effects of LLLT and HILT as adjuncts to rehabilitation exercises (LL + EX and HL + EX) on clinical outcomes in KOA. METHODS Thirty-four adults with mild-to-moderate KOA were randomly allocated to either LL + EX or HL + EX (n = 17 each). Both groups underwent their respective intervention weekly for twelve weeks: LL + EX (400 mW, 830 nm, 10 to 12 J/cm2, and 400 J per session) or HL + EX (5 W, 1064 nm, 19 to 150 J/cm2, and 3190 J per session). The laser probe was placed vertically in contact with the knee and moved in a slow-scan manner on the antero-medial/lateral sides of the knee joint. Participants' Knee Injury and Osteoarthritis Outcome Score (KOOS), Numerical Pain Rating Scale (NPRS), active knee flexion, and Timed Up-and-Go test (TUG) were assessed. RESULTS Post intervention, both groups showed improvements in their KOOS, NPRS, active knee flexion, and TUG scores compared to baseline (p < 0.01). The mean difference of change in KOOS, NPRS, and active knee flexion scores for the HL + EX group surpassed the minimal clinically important difference threshold. In contrast, the LL + EX group only demonstrated clinical significance for the NPRS scores. CONCLUSIONS Incorporating HILT as an adjunct to usual KOA rehabilitation led to significantly higher improvements in pain, physical function, and knee-related disability compared to LLLT applied in scanning mode.
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Affiliation(s)
- Mohd Azzuan Ahmad
- Physiotherapy Programme, Centre for Rehabilitation and Special Needs Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
- Faculty of Sports and Exercise Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Mageswari Moganan
- Faculty of Sports and Exercise Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Mohamad Shariff A Hamid
- Sports Medicine Unit, Faculty of Medicine, Universiti Malaya Medical Centre, Kuala Lumpur 59100, Malaysia
| | - Norhuda Sulaiman
- Sports Medicine Unit, Faculty of Medicine, Universiti Malaya Medical Centre, Kuala Lumpur 59100, Malaysia
| | - Ushantini Moorthy
- Sports Medicine Unit, Faculty of Medicine, Universiti Malaya Medical Centre, Kuala Lumpur 59100, Malaysia
| | - Nazirah Hasnan
- Department of Rehabilitation Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 59100, Malaysia
| | - Ashril Yusof
- Faculty of Sports and Exercise Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
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Kashiwagi S, Morita A, Yokomizo S, Ogawa E, Komai E, Huang PL, Bragin DE, Atochin DN. Photobiomodulation and nitric oxide signaling. Nitric Oxide 2023; 130:58-68. [PMID: 36462596 PMCID: PMC9808891 DOI: 10.1016/j.niox.2022.11.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/05/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
Nitric oxide (NO) is a well-known gaseous mediator that maintains vascular homeostasis. Extensive evidence supports that a hallmark of endothelial dysfunction, which leads to cardiovascular diseases, is endothelial NO deficiency. Thus, restoring endothelial NO represents a promising approach to treating cardiovascular complications. Despite many therapeutic agents having been shown to augment NO bioavailability under various pathological conditions, success in resulting clinical trials has remained elusive. There is solid evidence of diverse beneficial effects of the treatment with low-power near-infrared (NIR) light, defined as photobiomodulation (PBM). Although the precise mechanisms of action of PBM are still elusive, recent studies consistently report that PBM improves endothelial dysfunction via increasing bioavailable NO in a dose-dependent manner and open a feasible path to the use of PBM for treating cardiovascular diseases via augmenting NO bioavailability. In particular, the use of NIR light in the NIR-II window (1000-1700 nm) for PBM, which has reduced scattering and minimal tissue absorption with the largest penetration depth, is emerging as a promising therapy. In this review, we update recent findings on PBM and NO.
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Affiliation(s)
- Satoshi Kashiwagi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA.
| | - Atsuyo Morita
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Shinya Yokomizo
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA; Department of Radiological Science, Tokyo Metropolitan University, 7-2-10 Higashi-Ogu, Arakawa, Tokyo, 116-8551, Japan
| | - Emiyu Ogawa
- School of Allied Health Science, Kitasato University, 1-15-1 Kitasato Minami-ku Sagamihara, Kanagawa, Japan
| | - Eri Komai
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Paul L Huang
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Denis E Bragin
- Lovelace Biomedical Research Institute, 2425 Ridgecrest Dr. SE, Albuquerque, NM, 87108, USA; Department of Neurology, The University of New Mexico School of Medicine, MSC08 4720, 1 UNM, Albuquerque, NM, 87131, USA.
| | - Dmitriy N Atochin
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA.
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Carroll JD. Photobiomodulation Literature Watch February 2022. Photobiomodul Photomed Laser Surg 2022; 40:516-518. [DOI: 10.1089/photob.2022.29023.lit] [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
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