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Zhao Y, Chen Y, Yu F, Dai C, Zhang C, Liu M, Zheng N, Liu Z. Effects of graphene far-infrared and social network interventions on depression, anxiety and dementia in older adults. BMC Geriatr 2024; 24:755. [PMID: 39266984 PMCID: PMC11391651 DOI: 10.1186/s12877-024-05344-z] [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: 12/14/2023] [Accepted: 08/30/2024] [Indexed: 09/14/2024] Open
Abstract
BACKGROUND Five-guaranteed elderly individuals are a special group of the elderly Chinese population faced with unique challenges; these individuals lack any financial resources (including support by relatives), and are solely reliant on the government to provide food, clothing, medical care, and housing as well as burials. In this article, we aim to investigate mood problems (depression, anxiety) and cognitive functioning in Five-guaranteed elderly individuals, and to validate the effectiveness of two promising interventions, graphene far-infrared intervention (GFII; an exploratory and noninvasive technique) and social network intervention (SNI), for elderly people to lay the foundation for future social service work. METHODS To address the emotional and cognitive difficulties experienced by this special group, we designed this study, which is the first to apply GFII in this population. We also administered SNI given the social isolation of these individuals, in addition to a corresponding control group. 108 elderly individuals in 3 elder care facilities were screened to evaluate eligibility to participate in the current study, including 44 from Facility A (allocated to the GFII group), 43 from Facility B (allocated to the SNI group), and 21 from Facility C (allocated to the control group). GFII lasts for four weeks, with professionally trained carers putting on and removing intervention caps for half an hour each day. SNI lasts for three weeks, three times a week, and consists of a total of nine themed activities. The length of an activity is 90 min. We also did pre- and post-test comparisons of depression, anxiety and cognition in each group of older adults. RESULTS The results showed that GFII led to immediate improvements in anxiety and cognitive impairment in the five-guaranteed elderly individuals, and the improvement in cognitive function was sustained over time. Moreover, SNI group showed significant improvements in cognitive function after the intervention period. CONCLUSIONS The GFII is a promising intervention that can be applied to intervene in cognitive and mood disorders in older adults. The GFII has short-term interventions for anxiety in older adults, but long-term effects for cognitive impairment. SNI also had an interventional effect on cognition.
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Affiliation(s)
- Yuqing Zhao
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yaru Chen
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Feifei Yu
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Chenyi Dai
- Department of Psychology, University of California, Davis, CA, USA
| | - Chengyuan Zhang
- Feidong County Hospital of Traditional Chinese Medicine, Anhui, China
| | - Minxue Liu
- School of Educational Science, Anhui Normal University, Anhui, China
| | - Nanfeng Zheng
- College of Chemistry and Chemical Engineering, Xiamen University, Fujian, China
| | - Zhengkui Liu
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China.
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
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Lee MC, Ho CS, Hsu YJ, Kan NW, Fei CY, Yang HJ, Huang CC. The Impact of DAZZEON αSleep ® Far-Infrared Blanket on Sleep, Blood Pressure, Vascular Health, Muscle Function, Inflammation, and Fatigue. Clocks Sleep 2024; 6:499-516. [PMID: 39311228 PMCID: PMC11417803 DOI: 10.3390/clockssleep6030033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2024] [Revised: 09/02/2024] [Accepted: 09/02/2024] [Indexed: 09/26/2024] Open
Abstract
The application of far-infrared blankets has shown certain benefits in health promotion and therapy, such as improving blood circulation and alleviating muscle pain. However, the effects of such blankets on increasing deep sleep, reducing blood pressure, enhancing memory, dilating microvessels for blood flow, reducing chronic inflammation, and decreasing fatigue remain to be studied. We aim to investigate the effects of the DAZZEON αSleep® far-infrared blanket on these indicators. This study adopted a double-blind design, recruiting 24 male participants aged over 45 years, divided into two groups of 12 each: (A) a placebo group and (B) a DAZZEON αSleep® group. The participants used the blanket every night for two weeks, with sleep records taken using a wearable device and blood pressure, blood oxygen levels, arterial stiffness, and surface temperature measured before and after the intervention. Blood samples were collected for an analysis of inflammation and sleep-related blood indicators (serotonin and melatonin), and exercise tests were conducted to assess fatigue improvement. Compared with before the intervention, the blanket significantly increased changes in grip strength and reaction time. Additionally, it significantly increased blood serotonin, melatonin, and nitric oxide concentrations (p < 0.05), thus significantly increasing deep sleep and REM sleep durations (p < 0.05) and improving subjective sleep quality (p < 0.05). This study confirmed that using the DAZZEON αSleep® far-infrared blanket for 14 consecutive days helps to improve blood circulation, reduce vascular age and arterial stiffness, increase serotonin and melatonin levels, and improve sleep quality, as well as enhances muscle strength and reaction time.
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Affiliation(s)
- Mon-Chien Lee
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan City 333325, Taiwan; (M.-C.L.); (C.-S.H.); (Y.-J.H.)
- Center for General Education, Taipei Medical University, Taipei City 110301, Taiwan;
| | - Chin-Shan Ho
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan City 333325, Taiwan; (M.-C.L.); (C.-S.H.); (Y.-J.H.)
| | - Yi-Ju Hsu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan City 333325, Taiwan; (M.-C.L.); (C.-S.H.); (Y.-J.H.)
| | - Nai-Wen Kan
- Center for General Education, Taipei Medical University, Taipei City 110301, Taiwan;
| | - Chen-Yin Fei
- Dazzeon Biotech Co., Ltd., New Taipei City 248022, Taiwan;
| | - Hung-Jen Yang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan City 333325, Taiwan; (M.-C.L.); (C.-S.H.); (Y.-J.H.)
- Department of General Medicine, Min-Sheng General Hospital, Taoyuan City 330063, Taiwan
- Tajen University, Pingtung County 907101, Taiwan
| | - Chi-Chang Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan City 333325, Taiwan; (M.-C.L.); (C.-S.H.); (Y.-J.H.)
- Tajen University, Pingtung County 907101, Taiwan
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Park JH, Oh SY, Jung SC, Song TJ, Jo I. Far-infrared irradiation increases the uptake of LDL cholesterol by downregulating PCSK9 through the activation of TRPV4 calcium channels in HepG2 cells. Biochem Biophys Res Commun 2024; 723:150187. [PMID: 38850809 DOI: 10.1016/j.bbrc.2024.150187] [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: 12/15/2023] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 06/10/2024]
Abstract
This study investigated the effects of far-infrared (FIR) irradiation on low-density lipoprotein cholesterol (LDL-C) uptake by human hepatocellular carcinoma G2 (HepG2) cells via the regulation of proprotein convertase subtilisin/kexin type 9 (PCSK9). FIR irradiation for 30 min significantly decreased PCSK9 expression (p < 0.01) in HepG2 cells. FIR irradiation substantially increased the low-density lipoprotein receptor (p < 0.0001) and LDL-C uptake (p < 0.01). Activation of transient receptor potential vanilloid (TRPV) channels mimicked the effects of FIR irradiation, significantly decreasing the protein expression of PCSK9 (p < 0.05). Conversely, inhibition of TRP channels using ruthenium red reversed the reduction in PCSK9 protein expression following FIR irradiation (p < 0.01). The specific activation of TRPV4 using 4α-PDD mimicked the effect of FIR irradiation (p < 0.01), whereas PCSK9 reduction by FIR irradiation was significantly reversed by the inhibition of TRPV4 using RN1734 (p < 0.05). These findings implied that FIR irradiation emitted from a ceramic lamp specifically increased TRPV4 activity. These findings provide insights into a novel therapeutic approach using FIR irradiation for LDL-C regulation and its implications for cardiovascular health.
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Affiliation(s)
- Jin-Hee Park
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul, 07804, Republic of Korea; Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul, 07804, Republic of Korea
| | - Se-Young Oh
- Department of Convergence Medicine & Ewha Research Institute for Regenerative Medicine (ERIRM), Ewha Womans University Mokdong Hospital, 1071, Anyangcheon-ro, Yangcheon-gu, Seoul, 07985, Republic of Korea
| | - Sung-Chul Jung
- Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul, 07804, Republic of Korea; Department of Biochemistry, College of Medicine, Ewha Womans University, 25 Magokdong-ro-2-gil, Seoul, 07804, Republic of Korea
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, Ewha Womans University College of Medicine, 260, Airport-daero, Gangseo-gu, Seoul, 07804, Republic of Korea.
| | - Inho Jo
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul, 07804, Republic of Korea.
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Bordett R, Danazumi KB, Wijekoon S, Garcia CJ, Abdulmalik S, Kumbar SG. Advancements in stimulation therapies for peripheral nerve regeneration. Biomed Mater 2024; 19:052008. [PMID: 39025114 PMCID: PMC11425301 DOI: 10.1088/1748-605x/ad651d] [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: 04/04/2024] [Accepted: 07/18/2024] [Indexed: 07/20/2024]
Abstract
Soft-tissue injuries affecting muscles, nerves, vasculature, tendons, and ligaments often diminish the quality of life due to pain, loss of function, and financial burdens. Both natural healing and surgical interventions can result in scarring, which potentially may impede functional recovery and lead to persistent pain. Scar tissue, characterized by a highly disorganized fibrotic extracellular matrix, may serve as a physical barrier to regeneration and drug delivery. While approaches such as drugs, biomaterials, cells, external stimulation, and other physical forces show promise in mitigating scarring and promoting regenerative healing, their implementation remains limited and challenging. Ultrasound, laser, electrical, and magnetic forms of external stimulation have been utilized to promote soft tissue as well as neural tissue regeneration. After stimulation, neural tissues experience increased proliferation of Schwann cells, secretion of neurotropic factors, production of myelin, and growth of vasculature, all aimed at supporting axon regeneration and innervation. Yet, the outcomes of healing vary depending on the pathophysiology of the damaged nerve, the timing of stimulation following injury, and the specific parameters of stimulation employed. Increased treatment intensity and duration have been noted to hinder the healing process by inducing tissue damage. These stimulation modalities, either alone or in combination with nerve guidance conduits and scaffolds, have been demonstrated to promote healing. However, the literature currently lacks a detailed understanding of the stimulation parameters used for nerve healing applications. In this article, we aim to address this gap by summarizing existing reports and providing an overview of stimulation parameters alongside their associated healing outcomes.
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Affiliation(s)
- Rosalie Bordett
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
| | - Khadija B Danazumi
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, United States of America
| | - Suranji Wijekoon
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
| | - Christopher J Garcia
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
| | - Sama Abdulmalik
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
| | - Sangamesh G Kumbar
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, United States of America
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, United States of America
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, United States of America
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5
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Moradi A, Ghaffari Novin M, Bayat M. A Comprehensive Systematic Review of the Effects of Photobiomodulation Therapy in Different Light Wavelength Ranges (Blue, Green, Red, and Near-Infrared) on Sperm Cell Characteristics in Vitro and in Vivo. Reprod Sci 2024:10.1007/s43032-024-01657-x. [PMID: 39095677 DOI: 10.1007/s43032-024-01657-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 07/13/2024] [Indexed: 08/04/2024]
Abstract
Around 7% of the male population in the world are entangle with considerable situation which is known as male infertility. Photobiomodulation therapy (PBMT) is the application of low-level laser radiation, that recently used to increase or promote the various cell functions including, proliferation, differentiation, ATP production, gene expressions, regulation of reactive oxygen spices (ROS), and also boost the tissue healing and reduction of inflammation. This systematic review's main idea is a comprehensive appraisal of the literatures on subjects of PBMT consequences in four light ranges wavelength (blue, green, red, near-infrared (NIR)) on sperm cell characteristics, in vitro and in vivo. In this study, PubMed, Google Scholar, and Scopus databases were used for abstracts and full-text scientific papers published from 2003-2023 that reported the application of PBM on sperm cells. Criteria's for inclusion and exclusion to review were applied. Finally, the studies that matched with our goals were included, classified, and reported in detail. Also, searched studies were subdivided into the effects of four ranges of light irradiation, including the blue light range (400-500 nm), green light range (500-600 nm), red light range (600-780 nm), and NIR light range (780-3000 nm) of laser irradiation on human or animal sperm cells, in situations of in vitro or in vivo. Searches with our keywords results in 137 papers. After primary analysis, some articles were excluded because they were review articles or incomplete and unrelated studies. Finally, we use the 63 articles for this systematic review. Our category tables were based on the light range of irradiation, source of sperm cells (human or animal cells) and being in vitro or in vivo. Six% of publications reported the effects of blue, 10% green, 53% red and 31% NIR, light on sperm cell. In general, most of these studies showed that PBMT exerted a positive effect on the sperm cell motility. The various effects of PBMT in different wavelength ranges, as mentioned in this review, provide more insights for its potential applications in improving sperm characteristics. PBMT as a treatment method has significant effectiveness for treatment of different medical problems. Due to the lack of reporting data in this field, there is a need for future studies to assessment the biochemical and molecular effects of PBMT on sperm cells for the possible application of this treatment to the human sperm cells before the ART process.
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Affiliation(s)
- Ali Moradi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Bayat
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Price Institute of Surgical Research, University of Louisville, Louisville, KY, USA.
- Noveratech LLC of Louisville, Louisville, KY, USA.
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Li S, Miao XY, Zhang JS, Wei DD, Dong HJ, Xue R, Li JC, Zhang Y, Feng XX, Li J, Zhang YZ. Far-infrared therapy promotes exercise capacity and glucose metabolism in mice by modulating microbiota homeostasis and activating AMPK. Sci Rep 2024; 14:16314. [PMID: 39009692 PMCID: PMC11251280 DOI: 10.1038/s41598-024-67220-5] [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: 11/01/2023] [Accepted: 07/09/2024] [Indexed: 07/17/2024] Open
Abstract
The benefits of physical exercise on human health make it desirable to identify new approaches that would mimic or potentiate the effects of exercise to treat metabolic diseases. However, whether far-infrared (FIR) hyperthermia therapy could be used as exercise mimetic to realize wide-ranging metabolic regulation, and its underling mechanisms remain unclear. Here, a specific far-infrared (FIR) rays generated from graphene-based hyperthermia devices might promote exercise capacity and metabolisms. The material characterization showed that the graphene synthesized by chemical vapour deposition (CVD) was different from carbon fiber, with single-layer structure and high electrothermal transform efficiency. The emission spectra generated by graphene-FIR device would maximize matching those adsorbed by tissues. Graphene-FIR enhanced both core and epidermal temperatures, leading to increased blood flow in the femoral muscle and the abdominal region. The combination of microbiomic and metabolomic analysis revealed that graphene-FIR modulates the metabolism of the gut-muscle axis. This modulation was characterized by an increased abundance of short-chain fatty acids (SCFA)-producing bacteria and AMP, while lactic acid levels decreased. Furthermore, the principal routes involved in glucose metabolism, such as glycolysis and gluconeogenesis, were found to be altered. Graphene-FIR managed to stimulate AMPK activity by activating GPR43, thus enhancing muscle glucose uptake. Furthermore, a microbiota disorder model also demonstrated that the graphene-FIR effectively restore the exercise endurance with enhanced p-AMPK and GLUT4. Our results provided convincing evidence that graphene-based FIR therapy promoted exercise capacity and glucose metabolism via AMPK in gut-muscle axis. These novel findings regarding the therapeutic effects of graphene-FIR suggested its potential utility as a mimetic agent in clinical management of metabolic disorders.
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Affiliation(s)
- Shuo Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Xiao-Yao Miao
- Department of Pharmaceutical Science, Beijing Institute of Radiation Medicine, Beijing, China
| | - Jin-Shui Zhang
- School of Medicine, Anhui University of Science and Technology, Huainan, 232001, China
| | - Dong-Dong Wei
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Hua-Jin Dong
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Rui Xue
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Jing-Cao Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Yang Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Xiao-Xing Feng
- Grahope New Materials Technologies Inc., Shenzhen, 518063, China
| | - Jin Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - You-Zhi Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, China.
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Zhang JS, Li S, Cheng X, Tan XC, Huang YL, Dong HJ, Xue R, Zhang Y, Li JC, Feng XX, Deng Y, Zhang YZ. Far-Infrared Therapy Based on Graphene Ameliorates High-Fat Diet-Induced Anxiety-Like Behavior in Obese Mice via Alleviating Intestinal Barrier Damage and Neuroinflammation. Neurochem Res 2024; 49:1735-1750. [PMID: 38530508 DOI: 10.1007/s11064-024-04133-9] [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: 11/26/2023] [Revised: 01/29/2024] [Accepted: 02/20/2024] [Indexed: 03/28/2024]
Abstract
The consumption of a high-fat diet (HFD) has been implicated in the etiology of obesity and various neuropsychiatric disturbances, including anxiety and depression. Compelling evidence suggests that far-infrared ray (FIR) possesses beneficial effects on emotional disorders. However, the efficacy of FIR therapy in addressing HFD-induced anxiety and the underlying mechanisms remain to be elucidated. Here, we postulate that FIR emitted from a graphene-based therapeutic device may mitigate HFD-induced anxiety behaviors. The graphene-FIR modify the gut microbiota in HFD-mice, particularly by an enriched abundance of beneficial bacteria Clostridiaceae and Erysipelotrichaceae, coupled with a diminution of harmful bacteria Lachnospiraceae, Anaerovoracaceae, Holdemania and Marvinbryantia. Graphene-FIR also improved intestinal barrier function, as evidenced by the augmented expression of the tight junction protein occludin and G protein-coupled receptor 43 (GPR43). In serum level, we observed the decreased free fatty acids (FFA), lipopolysaccharides (LPS), diamine oxidase (DAO) and D-lactate, and increased the glucagon-like peptide-2 (GLP-2) levels in graphene-FIR mice. Simultaneously, inflammatory cytokines IL-6, IL-1β, and TNF-α manifested a decrease subsequent to graphene-FIR treatment in both peripheral and central system. Notably, graphene-FIR inhibited over expression of astrocytes and microglia. We further noticed that the elevated the BDNF and decreased TLR4 and NF-κB expression in graphene-FIR group. Overall, our study reveals that graphene-FIR rescued HFD-induced anxiety via improving the intestine permeability and the integrity of blood-brain barrier, and reduced inflammatory response by down regulating TLR4/NF-κB inflammatory pathway.
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Affiliation(s)
- Jin-Shui Zhang
- School of Medicine, Anhui University of Science and Technology, Huainan, 232001, China
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Shuo Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Xin Cheng
- Hebei North University, Hebei, 075000, China
| | - Xiao-Cui Tan
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Yu-Long Huang
- School of Medicine, Anhui University of Science and Technology, Huainan, 232001, China
| | - Hua-Jin Dong
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Rui Xue
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Yang Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Jing-Cao Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Xiao-Xing Feng
- Grahope New Materials Technologies Inc., Shenzhen, 518063, China
| | - Yun Deng
- School of Medicine, Anhui University of Science and Technology, Huainan, 232001, China.
| | - You-Zhi Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China.
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Yeo MH, Lee YH, Ryu MJ, Choi YH, Kim HS, Chang KS. Toloese Generates Nitric Oxide through Natural Radiation of Far Infrared Rays, Reducing Serum Glucose, Cholesterol, and Triglycerides. Healthcare (Basel) 2024; 12:1227. [PMID: 38921341 PMCID: PMC11202990 DOI: 10.3390/healthcare12121227] [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: 05/16/2024] [Revised: 06/13/2024] [Accepted: 06/18/2024] [Indexed: 06/27/2024] Open
Abstract
Toloese, a bed composition, is formulated with a combination of minerals of various wavelengths by utilizing a specific ratio and particle size. A maturation mixing technique is used without additional compression processes, resulting in the natural formation of numerous fine pores in the bed structure. At 40 °C, far infrared radiation in the range of 5-20 μm is emitted with a 0.916 radiant ratio, and the measured emitted radiant energy is 3.69 × 102 W/m2·μm. This study aimed to investigate the influence of far infrared radiation emitted from a Toloese bed on endogenous nitric oxide production. Clinical trials were conducted with 20 healthy adults aged 20 years. Blood samples were collected before and after Toloese bed usage for 1 h daily for 3 weeks. Nitric oxide levels in the saliva and blood of men and women significant increased after they used the Toloese bed for 1 h. Additionally, sweating sharply increased in the upper and lower body regions after Toloese bed usage. No hematological changes or adverse effects were observed, but blood glucose, cholesterol, and triglycerides decreased after Toloese bed usage compared with those before Toloese bed usage. These findings demonstrated that far infrared radiation emitted by the Toloese bed induced endogenous nitric oxide production and contributed to significant reductions in blood glucose, cholesterol, and triglyceride levels.
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Affiliation(s)
- Min-Ho Yeo
- Department of Clinical Laboratory Science, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.-H.Y.); (M.-J.R.)
| | - Young-Hyeon Lee
- Department of Clinical Laboratory Science, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.-H.Y.); (M.-J.R.)
| | - Mi-Jin Ryu
- Department of Clinical Laboratory Science, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.-H.Y.); (M.-J.R.)
| | - Yong-Hak Choi
- SayM Co., Ltd., Seongnam-si 13477, Republic of Korea
| | - Hye-Sook Kim
- Division of International Infectious Diseases Control, Faculty of Pharmaceutical Sciences, Okayama University, Tsushima-Naka, Kita-ku, Okayama 700-8530, Japan;
| | - Kyung-Soo Chang
- Department of Clinical Laboratory Science, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.-H.Y.); (M.-J.R.)
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Homan M, Rath SUL, Green VLS, Hutson J, Myers MJ, Guggenheimer JD. Examining the Impact of Far-Infrared Technology on Quality of Life in Older Adults. Int J Aging Hum Dev 2024:914150241231188. [PMID: 38532698 PMCID: PMC11427590 DOI: 10.1177/00914150241231188] [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] [Indexed: 03/28/2024]
Abstract
The purpose of this study was to examine the effects of far-infrared (FIR) heat on quality of life (QOL) in older adults. Participants were assigned to either a convective heat group (CON) or a convective and FIR group. Participants received six, 30-min heat sessions over the course of three weeks. Pre- and post-assessments included physical measures such as range of motion, gait speed, Timed Up and Go, and hand grip strength. Standardized questionnaires were used to determine pain severity and its interference with daily life, and the impact pain had on overall QOL. Pain severity was significantly reduced (from 3.31 to 2.5, p < .05) in the FIR group from pre-to-post, and pain interference was significantly reduced (from 1.26 to 0.43, p < .05) in the CON group from pre-to-post testing. Findings suggest that heat therapy was successful in reducing pain over time.
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Wen J, Pan J, Ma J, Ge X, Xu Z, Wang X, Lv Z. Advances in far-infrared research: therapeutic mechanisms of disease and application in cancer detection. Lasers Med Sci 2024; 39:41. [PMID: 38240851 DOI: 10.1007/s10103-024-03994-4] [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: 07/02/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024]
Abstract
Far infrared (FIR) irradiation is commonly used as a convenient, non-contact, non-invasive treatment for diseases such as myocardial ischemia, diabetes, and chronic kidney disease. In this review, we focus on reviewing the potential therapeutic mechanisms of FIR and its cutting-edge applications in cancer detection. Firstly, we searched the relevant literature in the last decade for systematic screening and briefly summarized the biophysical properties of FIR. We then focused on the possible mechanisms of FIR in wound healing, cardiovascular diseases, and other chronic diseases. In addition, we review recent applications of FIR in cancer detection, where Fourier transform infrared spectroscopy and infrared thermography provide additional diagnostic methods for the medical diagnosis of cancer. Finally, we conclude and look into the future development of FIR for disease treatment and cancer detection. As a high-frequency non-ionizing wave, FIR has the advantages of safety, convenience, and low cost. We hope that this review can provide biological information reference and relevant data support for those who are interested in FIR and related high-frequency non-ionizing waves, to promote the further application of FIR in the biomedical field.
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Affiliation(s)
- Jianming Wen
- College of Mathematical Medicine, Zhejiang Normal University, Jinhua, China
- The Institute of Precision Machinery and Smart Structure, College of Engineering, Zhejiang Normal University, Jinhua, China
| | - Junrun Pan
- College of Physics and Electronic Information Engineering, Zhejiang Normal University, Jinhua, China
| | - Jijie Ma
- The Institute of Precision Machinery and Smart Structure, College of Engineering, Zhejiang Normal University, Jinhua, China
| | - Xinyang Ge
- College of Mathematical Medicine, Zhejiang Normal University, Jinhua, China
| | - Zisheng Xu
- Technology & Equipment of Zhejiang Province, College of Engineering, Zhejiang Normal University, Jinhua, China
| | - Xiaolin Wang
- College of Mathematical Medicine, Zhejiang Normal University, Jinhua, China.
- Affiliated Dongyang Hospital of Wenzhou Medical University, Jinhua, China.
| | - Zhong Lv
- Affiliated Dongyang Hospital of Wenzhou Medical University, Jinhua, China.
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van Kraaij SJW, Hamblin MR, Pickering G, Giannokopoulos B, Kechemir H, Heinz M, Igracki-Turudic I, Yavuz Y, Rissmann R, Gal P. A Phase 1 randomized, open-label clinical trial to evaluate the effect of a far-infrared emitting patch on local skin perfusion, microcirculation and oxygenation. Exp Dermatol 2024; 33:e14962. [PMID: 37950549 DOI: 10.1111/exd.14962] [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] [Revised: 09/06/2023] [Accepted: 10/06/2023] [Indexed: 11/12/2023]
Abstract
Far-infrared radiation (FIR) has been investigated for reduction of pain and improvement of dermal blood flow. The FIRTECH patch is a medical device designed to re-emit FIR radiated by the body. This phase 1 study was conducted to evaluate the local effects of the FIRTECH patch on local skin perfusion, microcirculation and oxygenation. This prospective, randomized, open-label, parallel designed study admitted 20 healthy participants to a medical research facility for treatment for 31 h on three anatomical locations. During treatment, imaging assessments consisting of laser speckle contrast imaging, near-infrared spectroscopy, side-stream dark-field microscopy, multispectral imaging and thermography were conducted regularly on patch-treated skin and contralateral non-treated skin. The primary endpoint was baseline perfusion increase during treatment on the upper back. Secondary endpoints included change in baseline perfusion, oxygen consumption and temperature of treated versus untreated areas. The primary endpoint was not statistically significantly different between treated and non-treated areas. The secondary endpoints baseline perfusion on the forearm (least square means [LSMs] difference 2.63 PU, 95% CI: 0.97, 4.28), oxygen consumption (LSMs difference: 0.42 arbitrary units [AUs], 95% CI: 0.04, 0.81) and skin temperature (LSMs difference 0.35°C, 95% CI: 0.16, 0.6) were statistically significantly higher in treated areas. Adverse events observed during the study were mild and transient. The vascular response to the FIRTECH patch was short-lived suggesting a non-thermal vasodilatory effect of the patch. The FIRTECH patch was well tolerated, with mild and transient adverse events observed during the study. These results support the therapeutic potential of FIR in future investigations.
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Affiliation(s)
- Sebastiaan J W van Kraaij
- Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Johannesburg, South Africa
| | - Gisele Pickering
- Clinical Investigation Center CIC Inserm 1405, University Hospital Clermont-Ferrand, Clermont-Ferrand, France
| | | | | | - Moritz Heinz
- Research & Development, Sanofi, Chilly-Mazarin, France
| | | | - Yalçin Yavuz
- Centre for Human Drug Research, Leiden, the Netherlands
| | - Robert Rissmann
- Centre for Human Drug Research, Leiden, the Netherlands
- Leiden Academic Centre for Drug Research, Leiden, the Netherlands
| | - Pim Gal
- Centre for Human Drug Research, Leiden, the Netherlands
- Leiden University Medical Centre, Leiden, the Netherlands
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12
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Santos MM, Santos AM, Carvalho Nascimento JA, Santana CC, Oliveira AMS, Cezar SVS, Santos AB, Frank LA, Serafini MR. Devices for osteoarthritis symptoms treatment: a patent review. Expert Rev Med Devices 2024; 21:91-107. [PMID: 38189146 DOI: 10.1080/17434440.2023.2298729] [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: 09/21/2023] [Accepted: 12/20/2023] [Indexed: 01/09/2024]
Abstract
INTRODUCTION Osteoarthritis is a musculoskeletal disease that can lead to the loss and inability of those affected to perform normal daily functions, which leads to a decrease in quality of life. The main symptoms of osteoarthritis are tenderness, joint pain, stiffness, crepitus, limited movement, and local inflammation. AREAS COVERED The selected patents were deposited from 2010 to April 2022 involving 57 documents that were in line with the study objective in the final selection. The patents were classified in years, country, and applicants. Also, the therapeutic fields that presented the most documents were electrical stimulation, phototherapy, and ultrasound, followed by magnetic, electromagnetic, and thermotherapy. Therefore, the most current therapies used in the documents are already on the market. EXPERT OPINION Although the OA is cureless, non-surgical treatments are classified as the primary management approach for this disease. The pharmacological and non-pharmacological therapies are employed to reduce its prevalence and ensure the effectiveness of treatments. A strategy for relieving OA symptoms is non-pharmacological treatment, which can be based on exercise and patient education, combined with other alternative therapies. These therapies are used as supplements to the main OA treatments, enhancing the effectiveness of treatment outcomes.
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Affiliation(s)
- Mariana Mendonça Santos
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Anamaria Mendonça Santos
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | | | - Cláudio Carvalho Santana
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Ana Maria Santos Oliveira
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Alcimary Bispo Santos
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Luiza Abrahão Frank
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Mairim Russo Serafini
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
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Matarèse BFE, Rusin A, Seymour C, Mothersill C. Quantum Biology and the Potential Role of Entanglement and Tunneling in Non-Targeted Effects of Ionizing Radiation: A Review and Proposed Model. Int J Mol Sci 2023; 24:16464. [PMID: 38003655 PMCID: PMC10671017 DOI: 10.3390/ijms242216464] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/01/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
It is well established that cells, tissues, and organisms exposed to low doses of ionizing radiation can induce effects in non-irradiated neighbors (non-targeted effects or NTE), but the mechanisms remain unclear. This is especially true of the initial steps leading to the release of signaling molecules contained in exosomes. Voltage-gated ion channels, photon emissions, and calcium fluxes are all involved but the precise sequence of events is not yet known. We identified what may be a quantum entanglement type of effect and this prompted us to consider whether aspects of quantum biology such as tunneling and entanglement may underlie the initial events leading to NTE. We review the field where it may be relevant to ionizing radiation processes. These include NTE, low-dose hyper-radiosensitivity, hormesis, and the adaptive response. Finally, we present a possible quantum biological-based model for NTE.
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Affiliation(s)
- Bruno F. E. Matarèse
- Department of Haematology, University of Cambridge, Cambridge CB2 1TN, UK;
- Department of Physics, University of Cambridge, Cambridge CB2 1TN, UK
| | - Andrej Rusin
- Department of Biology, McMaster University, Hamilton, ON L8S 4L8, Canada; (A.R.); (C.S.)
| | - Colin Seymour
- Department of Biology, McMaster University, Hamilton, ON L8S 4L8, Canada; (A.R.); (C.S.)
| | - Carmel Mothersill
- Department of Biology, McMaster University, Hamilton, ON L8S 4L8, Canada; (A.R.); (C.S.)
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Park JH, Yoon JY, Jeong MG, Jeong HJ, Oh JH. Far-Infrared Radiation to Improve Clinical Outcomes after Arthroscopic Rotator Cuff Repair: A Prospective Randomized Comparative Clinical Study. Clin Orthop Surg 2023; 15:826-833. [PMID: 37811506 PMCID: PMC10551675 DOI: 10.4055/cios22386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/09/2023] [Accepted: 03/01/2023] [Indexed: 10/10/2023] Open
Abstract
Background The efficacy of far-infrared radiation (FIR) after rotator cuff repair has not been demonstrated yet. The aim of this study was to evaluate the effects of postoperatively applied FIR with regard to early pain, range of motion (ROM), and tendon-to-bone healing after arthroscopic rotator cuff repair. Methods A total of 64 consecutive patients who underwent arthroscopic rotator cuff repair with small- to medium-sized tears were enrolled in this prospective comparative study and randomly divided into an FIR group (n = 31) and a control group (n = 33). In the FIR group, FIR using a radiator device (Aladdin-H) was applied for 30 minutes per session twice daily from the first postoperative day. This application lasted for 10 weeks during the postoperative period. Clinical outcomes were assessed using a visual analog scale for pain (pVAS) at 5 weeks and ROM at 3 and 6 months postoperatively. Functional scores were evaluated at 6 months postoperatively. Healing of the repaired rotator cuff was also evaluated using ultrasonography at 3 months and magnetic resonance imaging at 6 months postoperatively. Results In both groups, clinical and functional outcomes were improved up to 6 months compared with preoperative values. At 5 weeks and 3 months postoperatively, the average pVAS was significantly lower in the FIR group than in the control group (1.7 ± 1.0 vs. 2.8 ± 1.4; p = 0.002 at 5 weeks, 2.4 ± 1.3 vs. 3.2 ± 1.8; p = 0.041 at 3 months). However, there was no significant difference in ROM, functional score, or healing rate between two groups at each follow-up time point. Conclusions The application of FIR after arthroscopic rotator cuff repair could be a safe and effective procedure to decrease postoperative pain, especially in the early postoperative period. This effective application of FIR can be considered to facilitate painless rehabilitation in the postoperative period after arthroscopic rotator cuff repair.
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Affiliation(s)
- Joo Hyun Park
- Department of Orthopaedic Surgery, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea
| | - Ji Young Yoon
- Department of Orthopaedic Surgery, National Police Hospital, Seoul, Korea
| | - Myeong Gon Jeong
- Department of Orthopaedic Surgery, The Seoul Hospital, Seoul, Korea
| | - Hyeon Jang Jeong
- Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Joo Han Oh
- Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
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Stolecka-Warzecha A, Wilczyński S, Pawlus A, Lebiedowska A, Chmielewski Ł, Niezgoda Z. The Use of Hemispheric Directional Reflectance Method to Verify the Usefulness of Filters Protecting the Skin Against Infrared Radiation. Clin Cosmet Investig Dermatol 2023; 16:2663-2675. [PMID: 37790905 PMCID: PMC10543075 DOI: 10.2147/ccid.s423667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 09/03/2023] [Indexed: 10/05/2023]
Abstract
Introduction Infrared radiation (IR) has a wide spectrum of both positive and harmful effects on the human body. Negative properties, manifested by increasing the level of reactive oxygen species (ROS), affect the skin ageing acceleration. Other adverse effect of infrared exposure is related to its ability to significantly penetrate deep into the skin, between its layers, up to blood vessels and other tissues and warm them up. Due to its harmful effects, protecting the skin against infrared radiation becomes an important issue. Aim The aim of the research was verifying the usefulness of filters available on the market with protection against infrared radiation declared by the manufacturers, by examining their impact on the directional reflectance of the human skin. Methods A group of 27 people was gathered, to obtain the results. Four products were applied on the participant's forearm skin, and then measurements of the directional reflectance of the skin were made at successive time points, using the 410-Solar reflectometer. The collected data was analyzed, and showed changes in reflectance under the influence of the applied protective products. Results The products used in the study showed a statistically significant effect on the directional reflectance of the human skin in near infrared radiation range and little effectiveness for higher wavelengths. Discussion The results indicate that the selected products show radiation protection against IR radiation only after several dozen minutes of application, which may suggest that they must penetrate deeper skin layers to be effective. Hemispheric directional reflectance turned out to be an effective method allows to assess the effectiveness of protective properties of cosmetics.
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Affiliation(s)
- Anna Stolecka-Warzecha
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
| | - Sławomir Wilczyński
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
| | - Agnieszka Pawlus
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
| | - Agata Lebiedowska
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
| | - Łukasz Chmielewski
- Department of Motion Organ Reconstruction Surgery, Provincial Specialist Hospital Megrez, Tychy, Poland
| | - Zuzanna Niezgoda
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
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Yen CC, Hsu PC, Lin CC, Chen SC, Hsiao CY, Hwang SJ. Effect of far-infrared radiation therapy on von Willebrand factor in patients with chronic kidney disease. Front Med (Lausanne) 2023; 10:1268212. [PMID: 37746066 PMCID: PMC10514495 DOI: 10.3389/fmed.2023.1268212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 08/28/2023] [Indexed: 09/26/2023] Open
Abstract
Background Hemostatic abnormality has contributed to vascular access thrombosis in patients with chronic kidney disease (CKD). Previous studies have demonstrated that far-infrared radiation (FIR) therapy can maintain the patency and maturity of arteriovenous fistulas of patients undergoing hemodialysis (HD). However, prolonged access bleeding is observed once FIR is conducted at the end of dialysis. FIR can block the binding of platelet and von Willebrand factor (vWF), a predictor of hemostatic abnormality and vascular access thrombosis. However, clinical studies exploring FIR and vWF are sparse. Methods We recruited 20 HD patients, 21 CKD patients, and 20 controls to examine the alteration of vWF and a disintegrin and metalloproteinase with thrombospondin type 1 repeats 13 (ADAMTS13) following a single 40-min session of FIR therapy. In addition, the alteration of these factors in the HD group was examined following a 40-min FIR session thrice a week for 3 months. Results A decreasing trend in the vWF activity-antigen ratio of participants in all groups following a single FIR session was observed. In addition, the ratio in the HD group was significantly lower following 3 months of FIR therapy. The subgroup analysis revealed a consistent trend and multiple regression analysis showed that participants not taking hydroxymethylglutaryl-coenzyme A reductase inhibitor, diabetes mellitus, and higher hemoglobin levels were the significant factors. The alteration of the vWF activity-antigen ratio correlated moderately to that of ADAMTS13 antigen and activity. Conclusion FIR may alter the ratio of ultra-large vWF multimers through ADAMTS13, contributing to inhibiting platelet-endothelium interactions of CKD patients.
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Affiliation(s)
- Cheng-Chieh Yen
- Division of Nephrology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Po-Chao Hsu
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Ching Lin
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Szu-Chia Chen
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Yen Hsiao
- Division of Nephrology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Shang-Jyh Hwang
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Population Health Sciences, National Health Research Institutes, Miaoli, Taiwan
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Chen TC, Huang YC, Chou TY, Hsu ST, Chen MY, Nosaka K. Effects of far-infrared radiation lamp therapy on recovery from muscle damage induced by eccentric exercise. Eur J Sport Sci 2023; 23:1638-1646. [PMID: 36825876 DOI: 10.1080/17461391.2023.2185163] [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: 02/25/2023]
Abstract
The present study investigated the effects of a far-infrared radiation (FIR) lamp therapy on changes in muscle damage and proprioception markers after maximal eccentric exercise of the elbow flexors (EF: Study 1) and the knee flexors (KF: Study 2) in comparison to a sham treatment condition. In each study, 24 healthy sedentary women were assigned to a FIR or a sham treatment group (n = 12/group). They performed 72 maximal EF eccentric contractions (Study 1) or 100 maximal KF eccentric contractions (Study 2) with their non-dominant limbs. They received a 30-min FIR (wavelength: 8-14 µm) or sham treatment at 1, 25, 49, 73 and 97 h post-exercise to the exercised muscles. Maximum voluntary isometric contraction (MVC) torque, muscle soreness, plasma creatine kinase activity, and proprioception assessed by position sense, joint reaction angle, and force match were measured before, and 0.5, 24, 48, 72, 96 and 120 h post-exercise. The outcome measures showed significant changes (P < 0.05) at 0.5-hour post-exercise (before treatment) similarly (P > 0.05) between the conditions in both studies. However, changes in all measures at 24-120 h post-exercise were smaller (P < 0.05) for the FIR than sham condition in both studies. For example, MVC torque returned to the baseline by 72 h post-exercise for the FIR condition in both studies, but was still 19 ± 6% (Study 1) or 17 ± 12% (Study 2) lower than the baseline at 120 h post-exercise for the sham condition. These results suggested that the FIR lamp therapy was effective for accelerating recovery from muscle damage.
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Affiliation(s)
- Trevor C Chen
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei City, Taiwan
| | - Yuh-Chuan Huang
- Physical Education Office, Ming Chuan University, Taipei City, Taiwan
| | - Tai-Ying Chou
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei City, Taiwan
- Department of Athletic Performance, National Taiwan Normal University, Taipei City, Taiwan
| | - Sheng-Tsung Hsu
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei City, Taiwan
| | - Mei-Yen Chen
- Graduate Institute of Sport, Leisure and Hospitality Management, National Taiwan Normal University, Taipei City, Taiwan
| | - Kazunori Nosaka
- School of Medical and Health Sciences, Centre for Human Performance, Edith Cowan University, Joondalup, Australia
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Ahokas EK, Ihalainen JK, Hanstock HG, Savolainen E, Kyröläinen H. A post-exercise infrared sauna session improves recovery of neuromuscular performance and muscle soreness after resistance exercise training. Biol Sport 2023; 40:681-689. [PMID: 37398966 PMCID: PMC10286597 DOI: 10.5114/biolsport.2023.119289] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/19/2022] [Accepted: 08/17/2022] [Indexed: 11/25/2023] Open
Abstract
The aim of this study was to investigate effects of a single infrared sauna (IRS) session on post-exercise recovery of neuromuscular performance, autonomic nervous system function, subjective sleep quality, and muscle soreness. Male basketball players (n = 16) performed two trials consisting of a complex resistance exercise protocol (maximal strength with plyometrics), followed by either 20 min passive recovery (PAS) or IRS (temperature 43 ± 5°C), in a randomized crossover design, with trials separated by one week. Recovery of neuromuscular performance was assessed using 20 m maximal sprint, maximal countermovement-jump (CMJ), and isometric leg press tests, performed 14 hours after exercise. Heart rate (HR), heart rate variability (HRV), sleep diary, muscle soreness, and indirect muscle damage markers were measured pre and post exercise. The decrease in CMJ performance from pre- to post-exercise was attenuated after IRS compared to PAS (p < 0.01). The IRS session resulted in higher HR and lower root mean square of successive differences between normal heartbeats (RMSSD), and high and low frequency power, compared to PAS (p < 0.002). Post-exercise night-time HR and HRV did not differ following IRS vs. PAS. Muscle soreness was less severe, and perceived recovery was higher after IRS compared to PAS (p < 0.01). Post-exercise IRS attenuated the drop in explosive performance and decreased subjective muscle soreness after resistance training, which may enhance mood, readiness, and physical performance of an athlete. A single IRS session had no detrimental effects on recovery of the autonomic nervous system.
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Affiliation(s)
- Essi K. Ahokas
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland
| | - Johanna K. Ihalainen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland
| | - Helen G. Hanstock
- Swedish Winter Sports Research Centre, Department of Health Sciences, Mid Sweden University, Östersund, Sweden
| | - Eero Savolainen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland
| | - Heikki Kyröläinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland
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Dastjerd F, Erfanian Arghavanian F, Sazegarnia A, Akhlaghi F, Esmaily H, Kordi M. Effect of infrared belt and hot water bag on labor pain intensity among primiparous: a randomized controlled trial. BMC Pregnancy Childbirth 2023; 23:405. [PMID: 37264341 DOI: 10.1186/s12884-023-05689-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 05/08/2023] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND Labor pain is complex, paradoxical and varied in every parturient woman. Management of labor pain has been a crucial component in maternity care. Heat therapy is one of the proposed method for labor pain relief. Infrared is one of the methods of heat therapy but there is any study in this regard. This study aimed to compare the effect of the infrared belt and hot water bag on the severity of pain in the first stage of labor among primiparous women. METHODS In this clinical trial in the first stage of labor, 20-min cycles of heat therapy were conducted at the dilations of 4-5 and 6-7 cm in the intervention group 1 by an infrared belt and in the intervention group 2 by hot water bag, respectively. The control group received routine care. The severity of the pain was measured by the short-form McGill Pain Questionnaire. RESULTS In total, 136 women consented to participate in this clinical trial study. The mean score of pain intensity was significantly lower in the two intervention groups compared to the control group (P < 0.001). The mean pain intensity was significantly lower in the infrared belt group than in the hot water bag group (P < 0.001). CONCLUSIONS Based on these findings, heat therapy with an infrared belt reduced the severity of pain in the first stage of labor. The infrared belt could be used and recommended as a safe and effective pain relief in childbirth and maternity care. TRIAL REGISTRATION This study was registered in the Iran Clinical Trial Center with the code of IRCT20190805044446N1 .
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Affiliation(s)
- Fatemeh Dastjerd
- School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Erfanian Arghavanian
- Nursing and Midwifery Care Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Ameneh Sazegarnia
- Department of Medical Physics, Medical Physics Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farideh Akhlaghi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Habibollah Esmaily
- Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Masoumeh Kordi
- Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
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Fann LY, Cheng CC, Chien YC, Hsu CW, Chien WC, Huang YC, Chung RJ, Huang SH, Jiang YH, Yin SH, Cheng KW, Wu YP, Hsiao SH, Hsu SY, Huang YC, Chu CM. Effect of far-infrared radiation on inhibition of colonies on packaging during storage of sterilised surgical instruments. Sci Rep 2023; 13:8490. [PMID: 37231027 DOI: 10.1038/s41598-023-35352-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
The sterilisation of surgical instruments is a major factor in infection control in the operating room (OR). All items used in the OR must be sterile for patient safety. Therefore, the present study evaluated the effect of far-infrared radiation (FIR) on the inhibition of colonies on packaging surface during the long-term storage of sterilised surgical instruments. From September 2021 to July 2022, 68.2% of 85 packages without FIR treatment showed microbial growth after incubation at 35 °C for 30 days and at room temperature for 5 days. A total of 34 bacterial species were identified, with the number of colonies increasing over time. In total, 130 colony-forming units were observed. The main microorganisms detected were Staphylococcus spp. (35%) and Bacillus spp. (21%) , Kocuria marina and Lactobacillus spp. (14%), and mould (5%). No colonies were found in 72 packages treated with FIR in the OR. Even after sterilisation, microbial growth can occur due to movement of the packages by staff, sweeping of floors, lack of high-efficiency particulate air filtration, high humidity, and inadequate hand hygiene. Thus, safe and simple far-infrared devices that allow continuous disinfection for storage spaces, as well as temperature and humidity control, help to reduce microorganisms in the OR.
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Affiliation(s)
- Li-Yun Fann
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
- Department of Nurse-Midwifery and Women Health, National Taipei University of Nursing and Health Sciences, Taipei, 11220, Taiwan
- School of Public Health, National Defense Medical Center, Taipei, 11490, Taiwan
| | - Chih-Chien Cheng
- Univeraity of Taipei, Taipei, 10048, Taiwan
- Department of Obstetrics/Gynecology, Taipei City Hospital, Taipei, 10341, Taiwan
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, 242062, Taiwan
| | - Yung-Chen Chien
- Department of Inspection, Taipei City Hospital, Ren-Ai Branch, Taipei, 10629, Taiwan
| | - Cheng-Wei Hsu
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
| | - Wu-Chien Chien
- School of Public Health, National Defense Medical Center, Taipei, 11490, Taiwan
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, 11490, Taiwan
- Department of Medical Research, Tri-Service General Hospital, Taipei, 11490, Taiwan
| | - Yao-Ching Huang
- School of Public Health, National Defense Medical Center, Taipei, 11490, Taiwan
- Department of Medical Research, Tri-Service General Hospital, Taipei, 11490, Taiwan
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan
| | - Shi-Hao Huang
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan
| | - Ying-Hua Jiang
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
| | - Shih-Han Yin
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
| | - Kai-Wen Cheng
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
| | - Yi-Ping Wu
- Department of Nursing, Taipei City Hospital, Taipei, 10684, Taiwan
| | - Sheng-Huang Hsiao
- Department of Neurosurgery, Taipei City Hospital, Ren-Ai Branch, Taipei, 10629, Taiwan.
| | - Shao-Yuan Hsu
- Department of Neurosurgery, Taipei City Hospital, Ren-Ai Branch, Taipei, 10629, Taiwan.
| | - Ying-Che Huang
- Department of Anesthesia and Critical Care Medicine, Taipei City Hospital, Ren-Ai Branch, Taipei, 10629, Taiwan.
| | - Chi-Ming Chu
- School of Public Health, National Defense Medical Center, Taipei, 11490, Taiwan.
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, 11490, Taiwan.
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Athonvarangkul D, Wang K, Deng Y, Inzucchi SE, Mayerson A. Improved extremity tissue oxygenation with short-term exposure to textiles embedded with far infrared light emitting thermoactive particles in patients with diabetes mellitus. Diab Vasc Dis Res 2023; 20:14791641231170282. [PMID: 37073436 PMCID: PMC10123901 DOI: 10.1177/14791641231170282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/20/2023] Open
Abstract
METHODS A single-center, prospective, randomized, placebo-controlled, double-blinded, crossover study of 32 subjects with either type 1 or type 2 DM. An active FIR wrap followed by a placebo wrap (or vice versa) was applied to the arm, calf, ankle, and forefoot for 60 min each with continuous TcPO2 measurements. The treatment effect of the active versus placebo wrap was estimated using a linear mixed effect model adjusted for period, sequence, baseline value, and anatomic site. RESULTS The active FIR wrap increased mean TcPO2 at the arm (2.6 ± 0.8 mmHg, p = .002), calf (1.5 ± 0.7 mmHg, p = .03), and ankle (1.7 ± 0.8 mmHg, p = .04) and composite of all sites (1.4 ± 0.5 mmHg, p = .002) after 60 min. The estimated treatment effect was significant for the active FIR wrap at the calf (1.5 ± 0.7 mmHg, p = .045) and in composite of all sites (1.2 ± 0.5 mmHg, p = .013). CONCLUSION Short-term exposure to FIR textiles improves peripheral tissue oxygenation in patients with diabetes.
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Affiliation(s)
- Diana Athonvarangkul
- Department of Internal Medicine, Section of Endocrinology, Yale School of Medicine, New Haven, CT, USA
- Department of Internal Medicine, West Haven Veterans Affairs Medical Center, West Haven, CT, USA
| | - Kaicheng Wang
- Yale Center for Analytical Sciences, Yale School of Public Health, New Haven, CT, USA
| | - Yanhong Deng
- Yale Center for Analytical Sciences, Yale School of Public Health, New Haven, CT, USA
| | - Silvio E Inzucchi
- Department of Internal Medicine, Section of Endocrinology, Yale School of Medicine, New Haven, CT, USA
| | - Adam Mayerson
- Department of Internal Medicine, Section of Endocrinology, Yale School of Medicine, New Haven, CT, USA
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22
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Chen SC, Cheung TW, Yu BYM, Chan MY, Yeung WF, Li L. Improving Sleep with Far-Infrared-Emitting Pajamas: A Pilot Randomized Controlled Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3870. [PMID: 36900881 PMCID: PMC10002002 DOI: 10.3390/ijerph20053870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Far infrared (FIR)-based clothing may alleviate sleep disturbance. This study aimed to explore the effects of FIR-emitting pajamas on sleep quality. This was a pilot randomized, sham-controlled trial. Forty subjects with poor sleep quality were randomized to FIR-emitting-pajamas and sham-pajamas groups in a 1:1 ratio. The primary outcome measure was the Pittsburgh Sleep Quality Index (PSQI). Other measures included the Insomnia Severity Index, and 7 day sleep diary, the Multidimensional Fatigue Inventory (MFI), the Hospital Anxiety and Depression Scale, the Epworth Sleepiness Scale, and the Satisfaction with Life Scale. Outcomes were measured at baseline and weeks 2, 4, and 6. Both groups showed within-group improvements in the PSQI score, but there was no significant difference between the two groups. However, FIR-emitting pajamas appeared to perform better than sham pajamas in reducing the MFI-physical score, with large effect sizes at three time points (dppc2 = 0.958, 0.841, 0.896); however, the differences were statistically insignificant. The intervention compliance was satisfactory. The effects of FIR-emitting pajamas on sleep quality were not superior to those in the control group. However, these pajamas may improve physical fatigue in adults with poor sleep quality, which warrants further exploration.
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Affiliation(s)
- Shu-Cheng Chen
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
| | - Tin-Wai Cheung
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
| | - Branda Yee-Man Yu
- Department of Psychology, The University of Hong Kong, Hong Kong SAR 999077, China
| | - Mei-Yan Chan
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
| | - Wing-Fai Yeung
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
| | - Li Li
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
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Kyselovic J, Masarik J, Kechemir H, Koscova E, Turudic II, Hamblin MR. Physical properties and biological effects of ceramic materials emitting infrared radiation for pain, muscular activity, and musculoskeletal conditions. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2023; 39:3-15. [PMID: 35510621 PMCID: PMC10084378 DOI: 10.1111/phpp.12799] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 04/21/2022] [Accepted: 05/02/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Up to 33% of the general population worldwide suffer musculoskeletal conditions, with low back pain being the single leading cause of disability globally. Multimodal therapeutic options are available to relieve the pain associated with muscular disorders, including physical, complementary, and pharmacological therapies. However, existing interventions are not disease modifying and have several limitations. METHOD Literature review. RESULTS In this context, the use of nonthermal infrared light delivered via patches, fabrics, and garments containing infrared-emitting bioceramic minerals have been investigated. Positive effects on muscular cells, muscular recovery, and reduced inflammation and pain have been reported both in preclinical and clinical studies. There are several hypotheses on how infrared may contribute to musculoskeletal pain relief, however, the full mechanism of action remains unclear. This article provides an overview of the physical characteristics of infrared radiation and its biological effects, focusing on those that could potentially explain the mechanism of action responsible for the relief of musculoskeletal pain. CONCLUSIONS Based on the current evidence, the following pathways have been considered: upregulation of endothelial nitric oxide synthase, increase in nitric oxide bioavailability, anti-inflammatory effects, and reduction in oxidative stress.
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Affiliation(s)
- Jan Kyselovic
- Clinical Research Unit, 5th Department of Internal Medicine, Faculty of Medicine, Comenius University, University Hospital Bratislava, Bratislava, Slovak Republic
| | - Jozef Masarik
- Department of Nuclear Physics and Biophysics, Faculty of Mathematics, Physics, and Informatics, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Hayet Kechemir
- Consumer Healthcare Medical Affairs Department, Sanofi CHC, Paris, France
| | - Eva Koscova
- Consumer Healthcare Medical Affairs Department, Bratislava, Slovakia
| | - Iva Igracki Turudic
- Consumer Healthcare Medical Affairs Department, Sanofi CHC, Frankfurt, Germany
| | - Michael Richard Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Johannesburg, South Africa
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24
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Maucoski C, Price RB, Arrais CAG, Sullivan B. In vitro temperature changes in the pulp chamber caused by laser and Quadwave LED-light curing units. Odontology 2022:10.1007/s10266-022-00780-y. [DOI: 10.1007/s10266-022-00780-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 12/06/2022] [Indexed: 12/24/2022]
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Silva M, Gáspari A, Barbieri J, Caruso D, Nogueira J, Andrade A, Moraes A. A pilot study on the effects of far-infrared-emitting fabric on neuromuscular performance of knee extensor and male fertility. Lasers Med Sci 2022; 37:3713-3722. [PMID: 36274079 PMCID: PMC9589584 DOI: 10.1007/s10103-022-03657-2] [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: 05/09/2022] [Accepted: 10/04/2022] [Indexed: 11/28/2022]
Abstract
The aim of this study was to evaluate the time course of the effects of far-infrared emitting fabric (FIR) on neuromuscular performance of knee extensor over 120 h and to investigate whether the use of FIR affects semen. This is a crossover, randomized, double-blind, and placebo-controlled trial split into neuromuscular and fertility assessments. Four (28.8 ± 4.7 years old) and six (29 ± 3.9 years old) healthy, resistance-trained males completed all neuromuscular and fertility assessments, respectively. In neuromuscular assessments, for five consecutive days, the participants underwent neuromuscular tests in an isokinetic dynamometer (maximal isometric voluntary contraction (MVC) and fatigue test) every 24 h in both conditions (FIR and Placebo). In fertility assessments, participants performed three semen collections: Baseline, FIR, and Placebo. FIR and Placebo collections were performed after five consecutive days of use of the pants. Conventional parameters and sperm DNA fragmentation were evaluated. In the FIR condition, the participants showed significant differences in total work at 96 h (p < 0.001; Cohen’s d = 3.73), 120 h (p = 0.01; Cohen’s d = 2.65), and pre-MVC at 120 h (p = 0.02; Cohen’s d = 2.15) when compared to Placebo. FIR did not significantly (p > 0.05) affect the conventional semen parameters or sperm DNA fragmentation compared to Baseline or Placebo. FIR improved the knee extensor neuromuscular performance of healthy resistance-trained individuals, with 112.4 ± 7.8 h accumulated, and did not affect their seminal parameters (conventional or sperm DNA fragmentation), with 113.1 ± 10.2 h accumulated.
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Affiliation(s)
- Manoel Silva
- Laboratory of Electromyography Studies, Department of Sport Science, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil, Av. Érico Veríssimo, 701, CEP 13083-851, Campinas, Brazil.
| | - Arthur Gáspari
- Laboratory of Electromyography Studies, Department of Sport Science, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil, Av. Érico Veríssimo, 701, CEP 13083-851, Campinas, Brazil
| | - João Barbieri
- Laboratory of Electromyography Studies, Department of Sport Science, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil, Av. Érico Veríssimo, 701, CEP 13083-851, Campinas, Brazil
| | - Danilo Caruso
- Laboratory of Electromyography Studies, Department of Sport Science, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil, Av. Érico Veríssimo, 701, CEP 13083-851, Campinas, Brazil
| | | | | | - Antônio Moraes
- Laboratory of Electromyography Studies, Department of Sport Science, School of Physical Education, University of Campinas, Campinas, São Paulo, Brazil, Av. Érico Veríssimo, 701, CEP 13083-851, Campinas, Brazil
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Zhang Y, Jin Z, Chen J, Zhao M, Sun Y, Song Y. Study and Analysis of the Effect of Polyamide Seamless Knitted Fabric with Different Graphene Content on the Blood-Flow Velocity of Human-Skin Microcirculation. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6853. [PMID: 36234193 PMCID: PMC9572275 DOI: 10.3390/ma15196853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
In this paper, four kinds of polyamide yarns with different graphene contents and three kinds of seamless knitting structures were used. The scheme of samples was established according to the comprehensive experimental design method, and 12 pieces of knitted fabric samples were woven on the seamless knitting machine. Through testing and analyzing the influence of each sample on the blood-flow rate of human-surface-skin microcirculation, the research shows that the higher the content of graphene in the veil, the better the promotion effect of the fabric prepared under this process condition on the blood-flow rate of human-surface-skin microcirculation. Sample 11# with the veil type of GP-0.8% and fabric weave of 1+1 simulated ribbed stitch has the strongest effect in this experiment, with a promotion multiple of 1.2189, and the influence of tissue structure is not obvious. The relevant performance test data and experimental research results in this paper provide empirical data support for developing medical or health textiles related to promoting the blood-flow velocity of skin microcirculation.
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Affiliation(s)
- Yixing Zhang
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zimin Jin
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jiaxue Chen
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Mingtao Zhao
- Zhejiang Bangjie Holding Group Co., Ltd., Yiwu 322009, China
| | - Yuqiang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yijing Song
- Guangzhou Jinrui Technology Co., Ltd., Guangzhou 510220, China
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Kawasaki T, Yamaguchi Y, Kitahara H, Irizawa A, Tani M. Exploring Biomolecular Self-Assembly with Far-Infrared Radiation. Biomolecules 2022; 12:biom12091326. [PMID: 36139165 PMCID: PMC9496551 DOI: 10.3390/biom12091326] [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] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 11/29/2022] Open
Abstract
Physical engineering technology using far-infrared radiation has been gathering attention in chemical, biological, and material research fields. In particular, the high-power radiation at the terahertz region can give remarkable effects on biological materials distinct from a simple thermal treatment. Self-assembly of biological molecules such as amyloid proteins and cellulose fiber plays various roles in medical and biomaterials fields. A common characteristic of those biomolecular aggregates is a sheet-like fibrous structure that is rigid and insoluble in water, and it is often hard to manipulate the stacking conformation without heating, organic solvents, or chemical reagents. We discovered that those fibrous formats can be conformationally regulated by means of intense far-infrared radiations from a free-electron laser and gyrotron. In this review, we would like to show the latest and the past studies on the effects of far-infrared radiation on the fibrous biomaterials and to suggest the potential use of the far-infrared radiation for regulation of the biomolecular self-assembly.
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Affiliation(s)
- Takayasu Kawasaki
- Accelerator Laboratory, High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba 305-0801, Ibaraki, Japan
- Correspondence:
| | - Yuusuke Yamaguchi
- Research Center for Development of Far-Infrared Region, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Fukui, Japan
| | - Hideaki Kitahara
- Research Center for Development of Far-Infrared Region, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Fukui, Japan
| | - Akinori Irizawa
- SR Center, Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Shiga, Japan
| | - Masahiko Tani
- Research Center for Development of Far-Infrared Region, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Fukui, Japan
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Haftek M, Abdayem R, Guyonnet-Debersac P. Skin Minerals: Key Roles of Inorganic Elements in Skin Physiological Functions. Int J Mol Sci 2022; 23:ijms23116267. [PMID: 35682946 PMCID: PMC9181837 DOI: 10.3390/ijms23116267] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 02/04/2023] Open
Abstract
As odd as it may seem at first glance, minerals, it is what we are all about…or nearly. Although life on Earth is carbon-based, several other elements present in the planet’s crust are involved in and often indispensable for functioning of living organisms. Many ions are essential, and others show supportive and accessory qualities. They are operative in the skin, supporting specific processes related to the particular situation of this organ at the interface with the environment. Skin bioenergetics, redox balance, epidermal barrier function, and dermal remodeling are amongst crucial activities guided by or taking advantage of mineral elements. Skin regenerative processes and skin ageing can be positively impacted by adequate accessibility, distribution, and balance of inorganic ions.
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Affiliation(s)
- Marek Haftek
- CNRS Laboratory of Tissue Biology and Therapeutic Engineering (LBTI), UMR5305 CNRS–University of Lyon1, 69367 Lyon, France
- Correspondence:
| | - Rawad Abdayem
- L’Oréal Research and Innovation, 94550 Chevilly-Larue, France;
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Titanium and Silicon Dioxide-Coated Fabrics for Management and Tuning of Infrared Radiation. SENSORS 2022; 22:s22103918. [PMID: 35632326 PMCID: PMC9143692 DOI: 10.3390/s22103918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 02/05/2023]
Abstract
Far infrared radiation (FIR) is emitted by every body at a given temperature, including the human body. FIR ranging between 4–14 μm is considered useful for cell growth, and the human body emits a maximum of infrared (IR) radiation at the wavelength of approximately 9.3 µm. In the present study, fabrics based on five different raw textiles having the same yarn count as well as the same weaving patterns were designed and created. Some of them were subjected to a coating process. The fabrics to be tested were as follows: coated with TiO2 nanoparticles, coated with SiO2 nanoparticles, coated fabric that does not contain bioceramic nanoparticle (BNFC), and non-coated fabrics (NCF). The structural characterization of the resulting samples was performed using scanning electron microscopy (SEM), abrasion tests, and air permeability. Following the structural characterization, the infrared emissivity properties were investigated using infrared thermography as well as attenuated total reflectance Fourier-transform infrared spectroscopy in the 8–14 IR range. According to the experimental findings, the fabrics coated with TiO2 and SiO2 displayed increased infrared emissivity values compared to the uncoated ones. In addition, it was observed that the use of bioceramic powders had no effect on air permeability and abrasion properties.
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A Low-Density Polyethylene (LDPE)/Macca Carbon Advanced Composite Film with Functional Properties for Packaging Materials. Polymers (Basel) 2022; 14:polym14091794. [PMID: 35566963 PMCID: PMC9103540 DOI: 10.3390/polym14091794] [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: 04/03/2022] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 12/04/2022] Open
Abstract
Macca carbon (MC) powder, a biomass derived from macadamia nut cultivation that emits far-infrared (FIR) radiation, was incorporated into low-density polyethylene (LDPE) by melt-compounding and subsequent melt-extrusion operations. Optical microscopy, scanning electron microscopy, differential scanning calorimetry, thermal gravitational analysis, mechanical properties, FIR emission power, barrier properties, transmission properties, antimicrobial activity assays, and storage tests were used to evaluate the manufactured LDPE/MC composite viability sheets for antimicrobial packaging applications. The physical properties and antibacterial activity of composite films were significantly correlated with the amount of MC powder used. The higher the MC powder content in the LDPE/MC composite film, the better the FIR emission ability. Only the MC powder at 0.5% by weight displayed adequate fundamental film characteristics, antibacterial activity, and storage performance, allowing lettuce and strawberries to remain fresh for more than 7 and 5 days, respectively, outside the refrigerator. This study demonstrates that FIR composites made from MC powder are a distinct and potential packaging material for future application in the food industry.
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Stygienė L, Krauledas S, Abraitienė A, Varnaitė-Žuravliova S, Dubinskaitė K. Thermal Comfort and Electrostatic Properties of Socks Containing Fibers with Bio-Ceramic, Silver and Carbon Additives. MATERIALS 2022; 15:ma15082908. [PMID: 35454601 PMCID: PMC9028739 DOI: 10.3390/ma15082908] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 12/04/2022]
Abstract
Socks are an important part of our clothing used in everyday activities. In order to ensure thermal comfort during wear in cool outdoor or indoor conditions, and for health improvement, socks must have effective thermoregulation properties. Chemical far-infrared (FIR) fibers with different bio-ceramic compounds incorporated into socks’ structures can provide an improved thermoregulation effect to the wearer of the socks. Fibers with silver and carbon additives incorporated in their structures can also affect the thermoregulation properties of socks. Moreover, these conductive additives avoid the unpleasant effect of static electricity of socks. The main parts of the different investigated structures of the socks were made in a plush pattern. The plush loops were formed by using functional Resistex® Bioceramic, Shieldex® and two modifications of Nega-Stat® fiber yarns. The main thermal comfort (thermal efficiency, microclimate and heat exchange temperatures, thermal resistance, water vapor permeability) and electrostatic (surface and vertical resistances, shielding factor, half time decay of charge) properties of the socks were investigated. Based on the obtained results of the thermal comfort and electrostatic characteristics of the different investigated structures of socks, the optimal static dissipative (half-time decay <0.01 s, shielding factor—0.96) plush knitting structure with 55% Resistex® Bioceramic and 31% bicomponent Nega-Stat® P210 fibers yarns was selected. Comparing the control sample without FIR and the knitted structure with conductive additives, we can draw the conclusion that the heat retention capability of the selected socks was improved by 1.5 °C and the temperature of their created microclimate was improved by 2 °C.
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Infrared Radiation in the Management of Musculoskeletal Conditions and Chronic Pain: A Systematic Review. Eur J Investig Health Psychol Educ 2022; 12:334-343. [PMID: 35323210 PMCID: PMC8946909 DOI: 10.3390/ejihpe12030024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/08/2022] [Accepted: 03/12/2022] [Indexed: 11/23/2022] Open
Abstract
Infrared radiation (IR) is a promising complementary treatment for musculoskeletal conditions and chronic pain. By means of a systematic review, we evaluated the contribution of IR to the management of these ailments. PubMed-MEDLINE, Scopus, and Cochrane Library–Cochrane Central Register of Controlled Trials were systematically searched until 20 December 2021. The literature search yielded 233 relevant records. Following the screening of titles and abstracts, 42 full-texts were evaluated. As per inclusion/exclusion criteria, 13 publications were entered into the qualitative assessment. These studies described the effects of IR in humans: three studies focused on osteoarthritis, four studies on fibromyalgia, and six encompassed a wider range of diseases (ankylosing spondylitis, recovery from sports injuries, myofascial pain syndrome). Based on the findings of our systematic review, we noted a decrease in pain levels, as evaluated by the visual analog scale (VAS), in patients suffering from musculoskeletal disorders treated with IR. In addition, IR use led to a decrease in Fibromyalgia Impact Questionnaire (FiQ) scores in subjects diagnosed with fibromyalgia. Nevertheless, IR has failed to facilitate muscle recovery following athletic injuries.
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Nazari M, Vajed-Samiei T, Torabi N, Fahanik-Babaei J, Saghiri R, Khodagholi F, Eliassi A. The 40-Hz White Light-Emitting Diode (LED) Improves the Structure-Function of the Brain Mitochondrial KATP Channel and Respiratory Chain Activities in Amyloid Beta Toxicity. Mol Neurobiol 2022; 59:2424-2440. [PMID: 35083663 DOI: 10.1007/s12035-021-02681-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/04/2021] [Indexed: 11/29/2022]
Abstract
It has been described that using noninvasive exposure to 40-Hz white light LED reduces amyloid-beta, a peptide thought to initiate neurotoxic events in Alzheimer's disease (AD). However, the mechanisms remain to be identified. Since AD impairs mitochondrial potassium channels and respiratory chain activity, the objectives of the current study were to determine the effect of 40-Hz white light LED on structure-function of mitoKATP channel and brain mitochondrial respiratory chain activity, production of reactive oxygen species (ROS), and ΔΨm in AD. Single mitoKATP channel was considered using a channel incorporated into the bilayer lipid membrane and expression of mitoKATP-Kir6.1 subunit as a pore-forming subunit of the channel was determined using a western blot analysis in Aβ1-42 toxicity and light-treated rats. Our results indicated a severe decrease in mito-KATP channel permeation and Kir6.1 subunit expression coming from the Aβ1-42-induced neurotoxicity. Furthermore, we found that Aβ1-42-induced neurotoxicity decreased activities of complexes I and IV and increased ROS production and ΔΨm. Surprisingly, light therapy increased channel permeation and mitoKATP-Kir6.1 subunit expression. Noninvasive 40-Hz white light LED treatment also increased activities of complexes I and IV and decreased ROS production and ΔΨm up to ~ 70%. Here, we report that brain mito-KATP channel and respiratory chain are, at least in part, novel targets of 40-Hz white light LED therapy in AD.
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Affiliation(s)
- Maryam Nazari
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Physiology, Medical School, Shahid Beheshti University of Medical Sciences, 1985717443, Evin, Tehran, Iran
| | - Taha Vajed-Samiei
- School of Electrical and Computer Engineering, Tehran University, Tehran, Iran
| | - Nihad Torabi
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Javad Fahanik-Babaei
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Saghiri
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Evin, Tehran, Iran
| | - Afsaneh Eliassi
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. .,Department of Physiology, Medical School, Shahid Beheshti University of Medical Sciences, 1985717443, Evin, Tehran, Iran.
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Ricci M, Mulone A, Elena N, Vecchini E, Valentini R, Gelmini M. Use of a non-medicated plaster in chronic lumbar back pain: a randomized controlled trial. ACTA BIO-MEDICA : ATENEI PARMENSIS 2022; 93:e2022260. [PMID: 36043965 PMCID: PMC9534234 DOI: 10.23750/abm.v93i4.12931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 07/04/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND The latest technology on far infrared radiations reflects the radiations emitted by the human body and induces an antalgic and anti-inflammatory effect without active ingredients. Our primary aim was to assess pain level modifications throughout the treatment period with two different types of patches, compared to a placebo. As secondary aims, we focused on addressing patients' quality of life and range of motion changes with each patch. METHODS We assessed 54 patients with chronic lumbar back pain treated with FIT Therapy (far infrared technology) patch. Three different types of FIT Therapy patches (F4, F3, and placebo) were used according to the different power of action and patients allocated in a randomized fashion into the 3 arms of the study. Every single patient was assessed during the study using the VAS pain scale, the Roland Morris Disability Questionnaire for quality of life, and ROM for a total of 14 days. RESULTS Only the F4 patch group significantly reduced pain level at T14 compared to the placebo group (p<0.05). Meanwhile, F3 showed only a non-significant decrease compared to placebo (p=0.254). In terms of lifestyle improvements, both F3 and F4 recorded a decrease on the RMDQ of 4 and 6 points, respectively. CONCLUSIONS Currently, we still need further studies with longer follow-up to consider the FIT Therapy patches F4 a valid alternative as a "non-medicated pain relief", but it proved to have a role in alleviating painful symptoms and improving function in chronic lumbar back pain without adverse events.
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Far-Infrared Therapy Accelerates Diabetic Wound Healing via Recruitment of Tissue Angiogenesis in a Full-Thickness Wound Healing Model in Rats. Biomedicines 2021; 9:biomedicines9121922. [PMID: 34944737 PMCID: PMC8698593 DOI: 10.3390/biomedicines9121922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 11/16/2022] Open
Abstract
Far-infrared ray (FIR) therapy has been applied in the tissue regeneration field. Studies have revealed that FIR could enhance wound healing. However, the biological effects of FIR on diabetic wounds remain unclear. Our study aims to investigate whether FIR could accelerate diabetic wound healing and analyze the biomechanisms. A dorsal skin defect (area, 6 × 5 cm2) in a streptozotocin (STZ)-induced diabetes rodent model was designed. Thirty-two male Wistar rats were divided into 4 groups (n = 8 each subgroup). Group 1 consisted of sham, non-diabetic control; group 2, diabetic control without treatment; group 3, diabetic rats received 20 min FIR (FIR-20, 20 min per session, triplicate/weekly for 4 weeks) and group 4, diabetic rats received 40 min FIR (FIR-40, 40 min per session, triplicate in one week for 4 weeks). The wound healing was assessed clinically. Skin blood flow was measured by laser Doppler. The vascular endothelial growth factor (VEGF), 8-hydroxy-2-deoxyguanosine (8-OHdG), eNOS, and Ki-67, were analyzed with immunohistochemical (IHC) staining. Laser Doppler flowmetry analysis of the blood flow of wounding area revealed the blood flow was higher in diabetic rats who received 40 min FIR (FIR-40) as compared to that in FIR-20 group. The wounding area was significantly reduced in the FIR-40 group than in the diabetic control groups. Histological findings of peri-wounding tissue revealed a significant increase in the neo-vessels in the FIR-treated groups as compared to the controls. IHC staining of periwounding biopsy tissue showed significant increases in angiogenesis expressions (VEGF, eNOS, and EGF), cell proliferation (Ki-67), and suppressed inflammatory response and oxygen radicles (CD45, 8-OHdG) expressions in the FIR-treated groups as compared to that in controls. Treatment with the optimal dosage of FIR significantly facilitated diabetic wound healing and associated with suppressed pro-inflammatory response and increased neovascularization and tissue regeneration.
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Coelho TM, Nunes RFH, Nakamura FY, Duffield R, Serpa MC, da Silva JF, Carminatt LJ, Cidral-Filho FJ, Goldim MP, Mathias K, Petronilho F, Martins DF, Guglielmo LGA. Post-Match Recovery in Soccer with Far-Infrared Emitting Ceramic Material or Cold-Water Immersion. J Sports Sci Med 2021; 20:732-742. [PMID: 35321145 DOI: 10.52082/jssm.2021.732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 09/01/2021] [Indexed: 01/10/2023]
Abstract
We investigated the effects of two common recovery methods; far-infrared emitting ceramic materials (Bioceramic) or cold-water immersion on muscular function and damage after a soccer match. Twenty-five university-level soccer players were randomized into Bioceramic (BIO; n = 8), Cold-water immersion (CWI; n = 9), or Control (CON; n = 8) groups. Heart rate [HR], rating of perceived exertion [RPE], and activity profile through Global Positioning Satellite Systems were measured during the match. Biochemical (thiobarbituric acid reactive species [TBARS], superoxide dismutase [SOD], creatine kinase [CK], lactate dehydrogenase [LDH]), neuromuscular (countermovement [CMJ] and squat jump [SJ], sprints [20-m]), and perceptual markers (delayed-onset muscle soreness [DOMS], and the perceived recovery scale [PRS]) were assessed at pre, post, 24 h, and 48 h post-match. One-way ANOVA was used to compare anthropometric and match performance data. A two-way ANOVA with post-hoc tests compared the timeline of recovery measures. No significant differences existed between groups for anthropometric or match load measures (P > 0.05). Significant post-match increases were observed in SOD, and decreases in TBARS in all groups (p < 0.05), without differences between conditions (p > 0.05). Significant increases in CK, LDH, quadriceps and hamstring DOMS (p < 0.05), as well as decreases in 20-m, SJ, CMJ, and PRS were observed post-match in all groups (p < 0.05), without significant differences between conditions (p > 0.05). Despite the expected post-match muscle damage and impaired performance, neither Bioceramic nor CWI interventions improved post-match recovery.
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Affiliation(s)
- Tiago M Coelho
- Physical Effort Laboratory, Department of Physical Education, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Renan F H Nunes
- Physical Effort Laboratory, Department of Physical Education, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Fabio Y Nakamura
- Associate Graduate Program in Physical Education UPE/UFPB, João Pessoa, Paraíba, Brazil
| | - Rob Duffield
- Sport & Exercise Discipline Group, University of Technology (UTS), Moore Park, Sydney, Australia
| | - Marília C Serpa
- Physical Effort Laboratory, Department of Physical Education, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Juliano F da Silva
- Physical Effort Laboratory, Department of Physical Education, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Lorival J Carminatt
- Human Performance Research Laboratory, Health Sciences and Sports Center, University of the State of Santa Catarina, Florianópolis, SC, Brazil
| | - Francisco J Cidral-Filho
- Laboratory of Experimental Neurosciences and Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Mariana P Goldim
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, University of Southern Santa Catarina, Tubarão, SC, Brazil
| | - Khiany Mathias
- Laboratory of Experimental Neurosciences and Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, University of Southern Santa Catarina, Tubarão, SC, Brazil
| | - Daniel F Martins
- Laboratory of Experimental Neurosciences and Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Luiz G A Guglielmo
- Physical Effort Laboratory, Department of Physical Education, Federal University of Santa Catarina, Florianópolis, SC, Brazil
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Juho YC, Tang SH, Lin YH, Lin CX, Liang T, Cherng JH, Meng E. Germanium-Titanium-π Polymer Composites as Functional Textiles for Clinical Strategy to Evaluate Blood Circulation Improvement and Sexual Satisfaction. Polymers (Basel) 2021; 13:polym13234154. [PMID: 34883657 PMCID: PMC8659801 DOI: 10.3390/polym13234154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/13/2021] [Accepted: 11/23/2021] [Indexed: 01/22/2023] Open
Abstract
By continuously enhancing the blood flow, far-infrared (FIR) textile is anticipated to be a potential non-pharmacological therapy in patients with peripheral vascular disorders, for instance, patients with end-stage renal disease (ESRD) undergoing hemodialysis (HD) and experiencing vasculogenic erectile dysfunction (VED). Hence, we manufactured a novel polymer composite, namely, germanium-titanium-π (Ge-Ti-π) textile and aimed to evaluate its characteristics and quality. We also investigated the immediate and long-term effects of the textile on patients with ESRD undergoing HD and experiencing VED. The Ge-Ti-π textile was found to have 0.93 FIR emissivity, 3.05 g/d strength, and 18.98% elongation. The results also showed a 51.6% bacteria reduction and negative fungal growth. On application in patients receiving HD, the Ge-Ti-π textile significantly reduced the limb numbness/pain (p < 0.001) and pain score on the visual analog scale (p < 0.001). Moreover, the Doppler ultrasound assessment data indicated a significant enhancement of blood flow in the right hand after 1 week of Ge-Ti-π textile treatment (p < 0.041). In VED patients, the Ge-Ti-π underpants treatment significantly improved the quality of sexual function and increased the average penile blood flow velocity after 3 months of the treatment. Our study suggests that the Ge-Ti-π textile could be beneficial for patients with blood circulation disorders.
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Affiliation(s)
- Yu-Cing Juho
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan; (Y.-C.J.); (S.-H.T.)
| | - Shou-Hung Tang
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan; (Y.-C.J.); (S.-H.T.)
| | - Yi-Hsin Lin
- Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan;
| | - Chen-Xi Lin
- School of Nursing, National Defense Medical Center, Taipei 114, Taiwan;
| | - Tenson Liang
- Quality of Pain and Sleep Association, Taipei 105, Taiwan;
| | - Juin-Hong Cherng
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: (J.-H.C.); (E.M.); Tel.: +886-2-8792-3100 (ext. 18681) (J.-H.C.); +886-2-8792-7169 (E.M.)
| | - En Meng
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan; (Y.-C.J.); (S.-H.T.)
- Correspondence: (J.-H.C.); (E.M.); Tel.: +886-2-8792-3100 (ext. 18681) (J.-H.C.); +886-2-8792-7169 (E.M.)
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Omer H. Radiobiological effects and medical applications of non-ionizing radiation. Saudi J Biol Sci 2021; 28:5585-5592. [PMID: 34588869 PMCID: PMC8459055 DOI: 10.1016/j.sjbs.2021.05.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 11/21/2022] Open
Abstract
Radiation is used in medicine to diagnose and treat diseases but it can also cause harm to the body by burning or mutation. This depends on whether the radiation is ionizing or nonionizing. Despite its vast applications in surgery, dermatology and cosmetics, little is taught and thus known about non-ionizing radiation. This review article discusses the fundamentals of non-ionizing electromagnetic radiations. The main aim is to extensively explain the different types of non-ionizing radiation. This will equip students and medical personnel with knowledge on different medical applications and expose them to a variety of specializations in medicine that utilize non-ionizing radiation. The article discusses the physics, hazard, means of protection and medical application of each type of radiation: ultraviolet radiation, light (both visible light and LASER), infrared radiation, microwaves and extremely low frequency radiation separately. It presents these terms in a simple manner that avoids rigors mathematics and physics, which makes them comprehensible for medical students. The development of new diagnostic and therapeutic approaches could also lead to increased hazards to the body unless they are treated with precaution. If not adequately monitored, a significant health risk may be posed to potentially exposed employees. Hence proper dosage should be used for non-ionizing radiation. This is only possible through understanding of the risks/benefits of these radiations by studying the physics and radiobiological effects of each individual radiation.
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Affiliation(s)
- Hiba Omer
- Department of Basic Sciences Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam 34212, Saudi Arabia
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Fukui K, Kimura S, Kato Y, Kohno M. Effects of far infrared light on Alzheimer's disease-transgenic mice. PLoS One 2021; 16:e0253320. [PMID: 34138944 PMCID: PMC8211253 DOI: 10.1371/journal.pone.0253320] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 06/02/2021] [Indexed: 11/19/2022] Open
Abstract
Far infrared light has been used in many medical procedures. However, the detailed biological mechanisms of infrared light's effects have not yet been elucidated. Many researchers have pointed out the thermal effects of treatments such as infrared saunas, which are known to increase blood flow. Alzheimer's disease (AD) is associated with gradual decreases in brain blood flow and resulting dementia. In this study, we attempted to clarify the beneficial effects of far infrared light using the 5xFAD mouse, a transgenic model of AD. We exposed 5xFAD mice to far infrared light for 5 months. Among the far infrared-exposed AD mice, body weights were significantly decreased, and the levels of nerve growth factor and brain-derived neurotrophic factor protein were significantly increased in selected brain areas (compared to those in non-irradiated AD mice). However, cognition and motor function (as assessed by Morris water maze and Rota Rod tests, respectively) did not differ significantly between the irradiated and non-irradiated AD mouse groups. These results indicated that exposure to far infrared light may have beneficial biological effects in AD mice. However, the experimental schedule and methods may need to be modified to obtain clearer results.
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Affiliation(s)
- Koji Fukui
- Department of Bioscience and Engineering, Molecular Cell Biology Laboratory, College of Systems Engineering and Sciences, Shibaura Institute of Technology (SIT), Minato, Japan
- Department of Functional Control Systems, Molecular Cell Biology Laboratory, Graduate School of Engineering and Science, SIT, Minato, Japan
- Department of Life Science and Technology, Tokyo Institute of Technology, Meguro, Japan
| | - Shunsuke Kimura
- Department of Bioscience and Engineering, Molecular Cell Biology Laboratory, College of Systems Engineering and Sciences, Shibaura Institute of Technology (SIT), Minato, Japan
| | - Yugo Kato
- Department of Functional Control Systems, Molecular Cell Biology Laboratory, Graduate School of Engineering and Science, SIT, Minato, Japan
| | - Masahiro Kohno
- Department of Life Science and Technology, Tokyo Institute of Technology, Meguro, Japan
- SIT Research Laboratories, The Brain Science & Life Technology Research Center, SIT, Minato, Japan
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González-Gross M, Quesada-González C, Rueda J, Sillero-Quintana M, Issaly N, Díaz AE, Gesteiro E, Escobar-Toledo D, Torres-Peralta R, Roller M, Guadalupe-Grau A. Analysis of Effectiveness of a Supplement Combining Harpagophytum procumbens, Zingiber officinale and Bixa orellana in Healthy Recreational Runners with Self-Reported Knee Pain: A Pilot, Randomized, Triple-Blind, Placebo-Controlled Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5538. [PMID: 34067240 PMCID: PMC8196851 DOI: 10.3390/ijerph18115538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/16/2022]
Abstract
Recreational running (RR) is becoming a popular way to increase physical activity for improving health, together with a higher incidence of knee injuries. The aim was to analyze the effect of a four-week supplementation with a mixture of Harpagophytum procumbens, Zingiber officinale and Bixa orellana on males, middle-aged, RR with an undiagnosed knee discomfort. A randomized triple-blind placebo-control trial was conducted among male RR aged 40-60 years suffering from self-declared knee discomfort after training. Participants were assigned to supplementation (2 g/day in 6 doses; n = 13; intervention group (IG)) or matched placebo (n = 15; control group (CG)) for 4 weeks. At pre- and post-intervention, assessment of routine blood biomarkers, body composition, running biomechanics and body temperature was performed using standardized procedures. Machine learning (ML) techniques were used to classify whether subjects belonged to IG or CG. ML model was able to correctly classify individuals as IG or CG with a median accuracy of 0.857. Leg fat mass decreased significantly (p = 0.037) and a deeper reduction in knee thermograms was observed in IG (p < 0.05). Safety evaluation revealed no significant differences in the rest of parameters studied. Subjects belonging to IG or CG are clearly differentiated, pointing into an effect of the supplement of ameliorating inflammation.
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Affiliation(s)
- Marcela González-Gross
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Carlos Quesada-González
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
- Department of Applied Mathematics to Information and Communication Technologies, Universidad Politécnica de Madrid, 28040 Madrid, Spain
| | - Javier Rueda
- Biomechanical Laboratory, Faculty of Physical Activity and Sport Sciences, Universidad Politécnica de Madrid, 28040 Madrid, Spain;
| | | | | | - Angel Enrique Díaz
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
- Clinical Laboratory Unit, Department of Sport and Health, Spanish Agency for Health Protection in Sport (AEPSAD), 28040 Madrid, Spain
| | - Eva Gesteiro
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
| | - David Escobar-Toledo
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
| | - Rafael Torres-Peralta
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
| | - Marc Roller
- Natural Origins, 69380 Lozanne, France; (N.I.); (M.R.)
| | - Amelia Guadalupe-Grau
- ImFINE Research Group, Department of Health and Human Performance, Universidad Politécnica de Madrid, 28040 Madrid, Spain; (C.Q.-G.); (A.E.D.); (E.G.); (D.E.-T.); (R.T.-P.); (A.G.-G.)
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Bontemps B, Gruet M, Vercruyssen F, Louis J. Utilisation of far infrared-emitting garments for optimising performance and recovery in sport: Real potential or new fad? A systematic review. PLoS One 2021; 16:e0251282. [PMID: 33956901 PMCID: PMC8101933 DOI: 10.1371/journal.pone.0251282] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/21/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Thanks to the specific materials they embed, far infrared (FIR)-emitting garments can interact with the body's physiological functions. Such effects have been sought in medicine and physiotherapy for a long time for the treatment/relief of a variety of pathologies and disabling conditions. Recently, FIR-emitting garments have been introduced in the sporting domain under the influence of manufacturers seeing here a new opportunity to support physical performance in athletes, though this is not clearly established. To fill this gap, in this systematic review, we summarize the scientific evidence on the use of FIR-emitting garments in sport and provide directions for future research by shedding light on current scientific limitations. METHOD Five scientific databases (PubMed, Cochrane, ScienceDirect, Scopus and SPORTDiscus) were searched by two independent reviewers. Studies investigating the effects of FIR-emitting garments on at least one physiological outcome related to exercise performance and/or recovery in humans were selected. The methodological quality of retained studies was assessed using the Physiotherapy Evidence Database (PEDro) scale. RESULTS AND DISCUSSION Eleven studies met the inclusion criteria and were included in the systematic review. Studies investigating similar outcomes related to exercise performance or recovery were scarce and results inconclusive, which prevents from drawing firm conclusion about the utilisation of FIR-emitting garments in athletes. However, these early results show that FIR-emitting garments may be of interest for exercise performance and recovery, mainly through their effects on the body's thermoregulation and haemodynamic function. The summary provided in this review can be used to inform the design of future studies. (PROSPERO registration number: CRD42021238029).
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Affiliation(s)
- Bastien Bontemps
- Université de Toulon, Laboratoire IAPS, Toulon, France
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom
| | - Mathieu Gruet
- Université de Toulon, Laboratoire IAPS, Toulon, France
| | | | - Julien Louis
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom
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The Effect of Far-Infrared Therapy on the Peritoneal Expression of Glucose Degradation Products in Diabetic Patients on Peritoneal Dialysis. Int J Mol Sci 2021; 22:ijms22073732. [PMID: 33918516 PMCID: PMC8038268 DOI: 10.3390/ijms22073732] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 02/06/2023] Open
Abstract
Peritoneal dialysis (PD) is a treatment modality for end-stage renal disease (ESRD) patients. Dextrose is a common osmotic agent used in PD solutions and its absorption may exacerbate diabetes mellitus, a common complication of ESRD. PD solutions also contain glucose degradation products (GDPs) that may lead to encapsulating peritoneal sclerosis (EPS), a severe complication of PD. A previous study showed that far-infrared (FIR) therapy improved a patient’s gastrointestinal symptoms due to EPS. Due to limited literature on the matter, this study aims to investigate dialysate GDPs and peritoneal function in diabetic patients on PD. Thirty-one PD patients were enrolled and underwent 40 min of FIR therapy twice daily for six months. We demonstrated the effect of FIR therapy on the following: (1) decrease of methylglyoxal (p = 0.02), furfural (p = 0.005), and 5-hydroxymethylfurfural (p = 0.03), (2) increase of D/D0 glucose ratio (p = 0.03), and (3) decrease of potassium levels (p = 0.008) in both DM and non-DM patients, as well as (4) maintenance and increase of peritoneal Kt/V in DM and non-DM patients, respectively (p = 0.03). FIR therapy is a non-invasive intervention that can decrease dialysate GDPs in PD patients by improving peritoneal transport rate and solute removal clearance, while also maintaining dialysis adequacy.
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Kim HY, Oh SY, Choi YM, Park JH, Kim HS, Jo I. Transient receptor potential vanilloid 2 mediates the inhibitory effect of far-infrared irradiation on adipogenic differentiation of tonsil-derived mesenchymal stem cells. Stem Cell Res 2021; 53:102291. [PMID: 33780730 DOI: 10.1016/j.scr.2021.102291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/14/2021] [Accepted: 03/11/2021] [Indexed: 11/29/2022] Open
Abstract
AIMS Far-infrared (FIR) irradiation inhibits adipogenic differentiation of tonsil-derived mesenchymal stem cells (TMSCs) by activating Ca2+-dependent protein phosphatase 2B (PP2B), but it stimulates osteogenic differentiation in a PP2B-independent pathway. We investigated the potential involvement of transient receptor potential vanilloid (TRPV) channels, a well-known Ca2+-permeable channel, in the effects of FIR irradiation on adipogenic or osteogenic differentiation of TMSCs. METHODS TMSCs, in the absence or presence of activators or inhibitors, were exposed to FIR irradiation followed by adipogenic or osteogenic differentiation, which was assessed using Oil red O or Alizarin red S staining, respectively. RT-PCR, qRT-PCR, and Western blotting were used to determine gene and protein expression of calcium channels and adipocyte-specific markers. RESULTS Treatment with the calcium ionophore ionomycin simulated the inhibitory effect of FIR irradiation on adipogenic differentiation but had no effect on osteogenic differentiation, indicating the involvement of intracellular Ca2+ in adipogenic differentiation. Inhibition of pan-TRP channels using ruthenium red reversed the FIR irradiation-induced inhibition of adipogenic differentiation. Among the TRP channels tested, inhibition of the TRPV2 channel by tranilast or siRNA against TRPV2 attenuated the inhibitory effect of FIR irradiation on adipogenic differentiation, accompanied by a decrease in intracellular Ca2+ levels. By contrast, activation of the TRPV2 channel by probenecid simulated FIR irradiation-induced inhibition of adipogenic differentiation. Expectedly, the stimulatory effect of FIR irradiation on osteogenic differentiation was independent of the TRPV2 channel. CONCLUSION Our data demonstrate that the TRPV2 channel is a sensor/receptor for the inhibited adipogenic differentiation of TMSCs associated with FIR irradiation.
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Affiliation(s)
- Ha Yeong Kim
- Department of Molecular Medicine, College of Medicine, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea; Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Ewha Womans University, 1071 Anyangcheon-ro, Yangcheon-gu, Seoul 07985, Republic of Korea
| | - Se-Young Oh
- Department of Molecular Medicine, College of Medicine, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea; Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea
| | - Young Min Choi
- Department of Molecular Medicine, College of Medicine, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea; Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea
| | - Jung-Hyun Park
- Department of Molecular Medicine, College of Medicine, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea; Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea
| | - Han Su Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Ewha Womans University, 1071 Anyangcheon-ro, Yangcheon-gu, Seoul 07985, Republic of Korea
| | - Inho Jo
- Department of Molecular Medicine, College of Medicine, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea; Graduate Program in System Health Science and Engineering, Ewha Womans University, 25 Magokdong-ro-2-gil, Gangseo-gu, Seoul 07804, Republic of Korea.
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Seo Y, Kim YW, Lee D, Kim D, Kim K, Kim T, Baek C, Lee Y, Lee J, Lee H, Jang G, Jeong W, Choi J, Hwang D, Suh JS, Kim SW, Kim HK, Han J, Bang H, Kim JH, Zhou T, Ko JH. Far-infrared rays enhance mitochondrial biogenesis and GLUT3 expression under low glucose conditions in rat skeletal muscle cells. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2021; 25:167-175. [PMID: 33602887 PMCID: PMC7893496 DOI: 10.4196/kjpp.2021.25.2.167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/25/2020] [Accepted: 12/27/2020] [Indexed: 12/04/2022]
Abstract
Far-infrared rays (FIR) are known to have various effects on atoms and molecular structures within cells owing to their radiation and vibration frequencies. The present study examined the effects of FIR on gene expression related to glucose transport through microarray analysis in rat skeletal muscle cells, as well as on mitochondrial biogenesis, at high and low glucose conditions. FIR were emitted from a bio-active material coated fabric (BMCF). L6 cells were treated with 30% BMCF for 24 h in medium containing 25 or 5.5 mM glucose, and changes in the expression of glucose transporter genes were determined. The expression of GLUT3 (Slc2a3) increased 2.0-fold (p < 0.05) under 5.5 mM glucose and 30% BMCF. In addition, mitochondrial oxygen consumption and membrane potential (ΔΨm) increased 1.5- and 3.4-fold (p < 0.05 and p < 0.001), respectively, but no significant change in expression of Pgc-1a, a regulator of mitochondrial biogenesis, was observed in 24 h. To analyze the relationship between GLUT3 expression and mitochondrial biogenesis under FIR, GLUT3 was down-modulated by siRNA for 72 h. As a result, the ΔΨm of the GLUT3 siRNA-treated cells increased 3.0-fold (p < 0.001), whereas that of the control group increased 4.6-fold (p < 0.001). Moreover, Pgc-1a expression increased upon 30% BMCF treatment for 72 h; an effect that was more pronounced in the presence of GLUT3. These results suggest that FIR may hold therapeutic potential for improving glucose metabolism and mitochondrial function in metabolic diseases associated with insufficient glucose supply, such as type 2 diabetes.
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Affiliation(s)
- Yelim Seo
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Young-Won Kim
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Donghee Lee
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Donghyeon Kim
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Kyoungseo Kim
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Taewoo Kim
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Changyeob Baek
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Yerim Lee
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Junhyeok Lee
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Hosung Lee
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Geonwoo Jang
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Wonyeong Jeong
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Junho Choi
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Doegeun Hwang
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Jung Soo Suh
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Sun-Woo Kim
- Cardiovascular and Metabolic Disease Center, SMART Marine Therapeutics Center, Inje University, Busan 47392, Korea
| | - Hyoung Kyu Kim
- Cardiovascular and Metabolic Disease Center, SMART Marine Therapeutics Center, Inje University, Busan 47392, Korea
| | - Jin Han
- Cardiovascular and Metabolic Disease Center, SMART Marine Therapeutics Center, Inje University, Busan 47392, Korea
| | - Hyoweon Bang
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
| | - Jung-Ha Kim
- Department of Family Medicine, College of Medicine, Chung-Ang University Hospital, Seoul 06973, Korea
| | - Tong Zhou
- Department of Physiology and Cell Biology, University of Nevada, Reno School of Medicine, Reno, NV 89557, USA
| | - Jae-Hong Ko
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
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Faisal AM, Salaün F, Giraud S, Ferri A, Chen Y, Wang L. Far-Infrared Emission Properties and Thermogravimetric Analysis of Ceramic-Embedded Polyurethane Films. Polymers (Basel) 2021; 13:polym13050686. [PMID: 33668865 PMCID: PMC7956283 DOI: 10.3390/polym13050686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 11/17/2022] Open
Abstract
The far-infrared ray (FIR) is one kind of electromagnetic wave employed for numerous bio-interactive applications such as body thermoregulation, infrared therapy, etc. Tuning the FIR-emitting property of the functional textile surface can initiate a new horizon to utilize this property in sportswear or even smart textiles. Ceramic particles were studied for their unique ability to constantly emit FIR rays. The purpose of this research is to characterize the FIR emission properties and the thermogravimetric analysis of ceramic-embedded polyurethane films. For this purpose, ceramic particles such as aluminum oxide, silicon dioxide, and titanium dioxide were incorporated (individually) with water-based polyurethane (WPU) binder by a sonication technique to make a thin layer of film. Significant improvement in FIR emissive property of the films was found when using different ceramic particles into the polyurethane films. Reflection and transmission at the FIR range were measured with a gold integrating sphere by Fourier-transform infrared (FTIR) spectrometer. The samples were also characterized by thermogravimetric analysis (TGA). Different physical tests, such as tensile strength and contact angle measurements, were performed to illustrate the mechanical properties of the films. The study suggested that the mechanical properties of the polyurethane films were significantly influenced by the addition of ceramic particles.
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Affiliation(s)
- Ashik Md Faisal
- Politecnico di Torino, DISAT, Corso Duca Degli Abruzzi 24, 10129 Turin, Italy;
- University of Lille Nord de France, F-5900 Lille, France; (F.S.); (S.G.)
- ENSAIT, GMTEX, F-59100 Roubaix, France
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; (Y.C.); (L.W.)
- Correspondence:
| | - Fabien Salaün
- University of Lille Nord de France, F-5900 Lille, France; (F.S.); (S.G.)
- ENSAIT, GMTEX, F-59100 Roubaix, France
| | - Stéphane Giraud
- University of Lille Nord de France, F-5900 Lille, France; (F.S.); (S.G.)
- ENSAIT, GMTEX, F-59100 Roubaix, France
| | - Ada Ferri
- Politecnico di Torino, DISAT, Corso Duca Degli Abruzzi 24, 10129 Turin, Italy;
| | - Yan Chen
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; (Y.C.); (L.W.)
| | - Lichuan Wang
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; (Y.C.); (L.W.)
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Djuretić J, Dimitrijević M, Stojanović M, Stevuljević JK, Hamblin MR, Micov A, Stepanović-Petrović R, Leposavić G. Infrared radiation from cage bedding moderates rat inflammatory and autoimmune responses in collagen-induced arthritis. Sci Rep 2021; 11:2882. [PMID: 33536461 PMCID: PMC7858598 DOI: 10.1038/s41598-021-81999-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 01/04/2021] [Indexed: 11/08/2022] Open
Abstract
The development of collagen type II (CII)-induced arthritis (CIA), a model of rheumatoid arthritis, in rats housed in cages with bedding composed of Celliant fibres containing ceramic particles, which absorb body heat and re-emit the energy back to the body in the form of infrared radiation (+IRF rats), and those housed in cages with standard wooden shaving bedding (-IRF control rats) was examined. The appearance of the first signs of CIA was postponed, while the disease was milder (judging by the arthritic score, paw volume, and burrowing behaviour) in +IRF compared with -IRF rats. This correlated with a lower magnitude of serum anti-CII IgG antibody levels in +IRF rats, and lower production level of IL-17, the Th17 signature cytokine, in cultures of their paws. This could be partly ascribed to impaired migration of antigen-loaded CD11b + dendritic cells and their positioning within lymph nodes in +IRF rats reflecting diminished lymph node expression of CCL19 /CCL21. Additionally, as confirmed in rats with carrageenan-induced paw inflammation (CIPI), the infrared radiation from Celliant fibres, independently from immunomodulatory effects, exerted anti-inflammatory effects (judging by a shift in pro-inflammatory mediator to anti-inflammatory/immunoregulatory mediator ratio towards the latter in paw cultures) and ameliorated burrowing behaviour in CIA rats.
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Affiliation(s)
- Jasmina Djuretić
- Department of Pathobiology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Mirjana Dimitrijević
- Department of Immunology, Institute for Biological Research "Siniša Stanković"-National Institute of Republic Serbia, University of Belgrade, Bulevar despota Stefana 142, Belgrade, Serbia
| | - Marija Stojanović
- Department of Pathobiology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Jelena Kotur Stevuljević
- Department of Biochemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa
| | - Ana Micov
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Radica Stepanović-Petrović
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Gordana Leposavić
- Department of Pathobiology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia.
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Ren W, Xu L, Zheng X, Pu F, Li D, Fan Y. Effect of different thermal stimuli on improving microcirculation in the contralateral foot. Biomed Eng Online 2021; 20:14. [PMID: 33531012 PMCID: PMC7856788 DOI: 10.1186/s12938-021-00849-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 01/15/2021] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND The lower extremities of the body often suffer from impaired microcirculation, particularly in the elderly or people with underlying conditions such as diabetes. Especially for people suffering from peripheral vascular diseases, skin lesions or wearing an external fixator in one side of limbs, direct contact treatments are not suitable for them to improve microcirculation. Heating the contralateral limb has been reported to improve blood flow in the impaired limb. However, its effect on plantar microvascular responses has not been previously investigated. Thus, the aim of this study was to explore how heating by warm bath and infrared radiation affects the circulations in the contralateral foot. Twelve healthy adults participated in this study and were randomly assigned to either placing the left foot in a warm bath or exposing it to infrared radiation for 10 min intervention every other day. The skin temperature (Temp) and skin blood flow (SBF) in the second metatarsal head of the contralateral foot were measured before and after the intervention. RESULTS The results showed that both Temp (Bath: from 29.05 ± 3.56 °C to 31.03 ± 4.14 °C; Infrared: from 29.98 ± 3.86 °C to 31.07 ± 3.92 °C) and SBF (Bath: from 62.26 ± 48.12 PU to 97.76 ± 63.90 PU; Infrared: from 63.37 ± 39.88 PU to 85.27 ± 47.62 PU) in the contralateral foot were significantly increased after heating in both tests (p < 0.05). However, the contralateral SBF increased for 5 min after heating in warm bath test, but only for 1 min in infrared radiation test. CONCLUSIONS The results of this study show that both heating methods are the effective at increasing contralateral Temp and SBF, but the warm bath has a stronger residual thermal effect.
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Affiliation(s)
- Weiyan Ren
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China
- Beijing Key Laboratory of Rehabilitation Technical Aids for Old-Age Disability, Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs, National Research Center for Rehabilitation Technical Aids, Beijing, People's Republic of China
| | - Liqiang Xu
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China
| | - Xuan Zheng
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China
| | - Fang Pu
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China
- State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, People's Republic of China
| | - Deyu Li
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China.
- School of Biological Science and Medical Engineering, Beihang University, No.37 Xueyuan Road, Haidian District, Beijing, 100191, People's Republic of China.
| | - Yubo Fan
- Key Laboratory of Rehabilitation Technical Aids of Ministry of Civil Affair, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China.
- Beijing Key Laboratory of Rehabilitation Technical Aids for Old-Age Disability, Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs, National Research Center for Rehabilitation Technical Aids, Beijing, People's Republic of China.
- School of Biological Science and Medical Engineering, Beihang University, No.37 Xueyuan Road, Haidian District, Beijing, 100191, People's Republic of China.
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Jafari F, Movagharnejad K, Sadeghi E. Infrared drying effects on the quality of eggplant slices and process optimization using response surface methodology. Food Chem 2020; 333:127423. [PMID: 32659660 DOI: 10.1016/j.foodchem.2020.127423] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/16/2020] [Accepted: 06/23/2020] [Indexed: 10/23/2022]
Abstract
The aim of this work was to study the effect of thickness of samples, air velocity and infrared power on the drying kinetics and quality attributes of blanched eggplant slices during infrared drying. The drying experiments were made by Response Surface Methodology (RSM) based on a Box-Behnken design (BBD). Experiments were conducted at a thickness of 3, 5, and 7 mm, air velocity of 0.5, 1.25, and 2 m/s, as well as at infrared power 1000, 1500, and 2000 W. The drying time was affected by operating parameters. The drying processes increased total phenolic content and potassium content, significantly. The total color difference (ΔE) was in the range of 10.22-25.14. In the end, this process was optimized for reaching the best experimental condition.
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Affiliation(s)
- Fatemeh Jafari
- Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Mazandaran, Iran
| | - Kamyar Movagharnejad
- Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Mazandaran, Iran.
| | - Ebrahim Sadeghi
- Dept. of Chemical Engineering, Shomal University, Mazandaran, Amol, Iran.
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Suhariningsih S, Astuti SD, Husen SA, Winarni D, Rahmawati DA, Mukti AT, Putra AP, Miftahussurur M. The combined effect of magnetic and electric fields using on/off infrared light on the blood sugar level and the diameter of Langerhans islets of diabetic mice. Vet World 2020; 13:2286-2293. [PMID: 33281368 PMCID: PMC7704297 DOI: 10.14202/vetworld.2020.2286-2293] [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: 05/31/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022] Open
Abstract
Background and Aim At present, diabetes is treated with oral antidiabetic medicines, such as sulfonylureas and thiazolidine, as well as insulin injection. However, these methods have several shortcomings. Therefore, alternatives for treating diabetes mellitus (DM) are needed. This study aims to determine the combined effect of magnetic and electric fields on blood sugar levels and the diameter of Langerhans islets of diabetic mice. Materials and Methods Induction of DM in mice was carried out by administering lard for 2 weeks and continued with an intraperitoneal injection of streptozotocin, dissolved in a 4.5 pH citrate buffer, and administered in a dose of 30 mg/kg bodyweight for 5 days. Treatments were used in combination with magnetic and electric fields using on/off infrared light. Blood samples were pipetted through the tip of mice's tails to establish the blood sugar level for each individual mouse. Histology preparation of the pancreas organ was affected using the histology standard as well as hematoxylin and eosin staining methods. Langerhans islet diameter data were analyzed using analysis of variance followed by Duncan's multiple range test. Data analysis was performed at ssssssss=0.05. Results The results showed that the combined treatment of permanent magnetic and unidirectional electric fields (PS) caused changes in blood sugar levels that were not significantly different from the normal control group. The PS treatment improved the diameter of the Langerhans islets but not to a significant degree compared to other treatments. Conclusion The use of PS treatment is effective for reducing the blood sugar levels of diabetic mice and improving the diameter of their Langerhans islets.
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Affiliation(s)
- S Suhariningsih
- Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biophysics and Medical Physics Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Suryani Dyah Astuti
- Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biophysics and Medical Physics Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Saikhu Akhmad Husen
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Dwi Winarni
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Dian Astri Rahmawati
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Akhmad Taufiq Mukti
- Department of Fish Health Management and Aquaculture, Faculty of Fisheries and Marine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Alfian Pramudita Putra
- Biomedical Engineering Study Program, Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biomedical Signals and Systems Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Muhammad Miftahussurur
- Department of Internal Medicine, Division of Gastroentero-Hepatology, Faculty of Medicine, Institute of Tropical Diseases, Universitas Airlangga, Surabaya, Indonesia
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50
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Yoon JY, Park JH, Lee KJ, Kim HS, Rhee SM, Oh JH. The effect of postoperatively applied far-infrared radiation on pain and tendon-to-bone healing after arthroscopic rotator cuff repair: a clinical prospective randomized comparative study. Korean J Pain 2020; 33:344-351. [PMID: 32989199 PMCID: PMC7532301 DOI: 10.3344/kjp.2020.33.4.344] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/09/2020] [Accepted: 07/04/2020] [Indexed: 11/25/2022] Open
Abstract
Background The effects of far-infrared radiation (FIR) on the treatment of rotator cuff diseases remains unknown. We evaluated the safety and efficacy of FIR after arthroscopic rotator cuff repair with regard to postoperative pain and healing. Methods This prospective randomized comparative study included 38 patients who underwent arthroscopic rotator cuff repair due to a medium-sized tear. Patients were randomly divided into the FIR or control group (n = 19 per group). In the FIR group, FIR with an FIR radiator started 1 week postoperatively for 30 minutes per session twice daily. It lasted until abduction brace weaning at 5 weeks postoperatively. We assessed pain using a pain visual analogue scale (pVAS) and measured the range of motion (ROM) of the shoulder at 5 weeks, and 3 and 6 months, postoperatively. The anatomical outcome was evaluated using magnetic resonance imaging at 6 months postoperatively. Results At 5 weeks postoperatively, the average pVAS score was lower in the FIR group than in the control group (1.5 ± 0.8 vs. 2.7 ± 1.7; P = 0.019). At 3 months postoperatively, the average forward flexion was higher in the FIR group (151.6° ± 15.3° vs. 132.9° ± 27.8°; P = 0.045), but there was no significant difference at 6 months postoperatively. There was no significant difference in healing failure between the groups (P = 0.999). Conclusions FIR after arthroscopic rotator cuff repair could be an effective and safe procedure to reduce postoperative pain, thereby facilitating rehabilitation and better ROM in the early postoperative period.
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Affiliation(s)
- Ji Young Yoon
- Department of Orthopaedic Surgery, National Police Hospital, Seoul, Korea
| | - Joo Hyun Park
- Department of Orthopaedic Surgery, Bundang Jesaeng Genenral Hospital, Seongnam, Korea
| | - Kwang Jin Lee
- Department of Orthopaedic Surgery, Sun's Hospital, Seoul, Korea
| | - Hyong Suk Kim
- Department of Orthopaedic Surgery, Incheon Sarang Hospital, Incheon, Korea
| | - Sung-Min Rhee
- Department of Orthopeadic Surgery, Kyung Hee University College of Medicine, Kyung Hee University Hospital, Seoul, Korea
| | - Joo Han Oh
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
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