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https://www.readbyqxmd.com/read/28935484/effects-of-low-level-laser-therapy-and-platelet-concentrate-on-bone-repair-histological-histomorphometric-immunohistochemical-and-radiographic-study
#1
Thiago Hoffman Jonasson, Rafael Zancan, Lucas de Oliveira Azevedo, Ana Claudia Fonseca, Marcela Claudino da Silva, Allan Fernando Giovanini, João Cesar Zielak, Melissa Rodrigues de Araujo
PURPOSE: Low-level laser therapy (LLLT) can increase bone metabolism, cell proliferation, and maturation, and reduce inflammation, while platelet concentrate (PC) assists bone healing process by releasing proteins and growth factors. Here, we evaluated the efficacy of combined LLLT and PC therapy in the healing of critical-size bone defects. MATERIALS AND METHODS: Calvarial critical-size defects 5 mm in diameter were made in 48 Wistar rats. Bones were removed, milled, and used as autogenous bone grafts...
August 19, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28931981/immunomodulatory-effects-of-two-different-physical-therapy-modalities-in-patients-with-chronic-obstructive-pulmonary-disease
#2
Sherin Hassan M Mehani
[Purpose] Counteracting the systemic cytokine release and its inflammatory effects by improving respiratory muscle strength and controlling lung inflammation may be important for improving immune system in patients with chronic obstructive pulmonary disease, So the aim of the present study was to evaluate the effect of low level laser therapy and inspiratory muscle training on interleukin-6 (IL-6) as a marker of inflammation and CD4+/CD8+ ratio as a marker for T Lymphocytes in these patients. [Subjects and Methods] Forty male patients with stable COPD participated in the study, their ages ranged between 55-65 years...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28912943/assessment-of-low-level-laser-therapy-effects-after-extraction-of-impacted-lower-third-molar-surgery
#3
Shahrokh Raiesian, Mehdi Khani, Kazem Khiabani, Ershad Hemmati, Mohammad Pouretezad
Introduction: The aim of this study was to assess the effect of low-level laser therapy (LLLT) on pain, swelling and maximum mouth opening in patients undergoing third molar surgery. Methods: A prospective, randomized double-blind study was undertaken on 44 patients at the Dental School, Ahvaz Jundishapur University of Medical Sciences, in 2015. A low-level laser was randomly applied on one of the two sides after surgery of 15 patients. The experimental side received 18 J/cm(2) of energy density, wavelength of 980 nm, and output power of 1...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28878330/the-impact-of-wavelengths-of-led-light-therapy-on-endothelial-cells
#4
Sabrina Rohringer, Wolfgang Holnthoner, Sidrah Chaudary, Paul Slezak, Eleni Priglinger, Martin Strassl, Karoline Pill, Severin Mühleder, Heinz Redl, Peter Dungel
Low level light therapy receives increasing interest in the fields of tissue regeneration and wound healing. Several in vivo studies demonstrated the positive effects of LLLT on angiogenesis. This study aimed to investigate the underlying properties in vitro by comparing the effects of light therapy by light emitting diodes of different wavelengths on endothelial cells in vitro. Human umbilical vein endothelial cells were treated with either 475 nm, 516 nm or 635 nm light. Control cells were not illuminated...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877277/treatment-of-experimental-periodontal-disease-by-laser-therapy-in-simvastatin-modified-rats
#5
Andressa Araújo Swerts, Bianca Fernanda Espósito Santos, Simone Ribeiro Bruzadelli, Maísa Ribeiro Pereira Lima Brigagão, Daniela Coelho de Lima, Leandro Araújo Fernandes
Objective: The aim of this study was to evaluate low-level laser therapy (LLLT) as an adjuvant treatment for scaling and root planing (SRP) for the treatment of induced periodontitis in simvastatin-modified rats. Material and Methods: A total of 180 rats were evenly divided into two groups: Veh - receiving oral administration of polyethylene glycol (vehicle); S - receiving oral administration of Simvastatin. Periodontal disease was induced in both groups at the first mandibular molar...
July 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28856107/treatment-of-mild-to-moderate-carpal-tunnel-syndrome-in-patients-with-diabetic-neuropathy-using-low-level-laser-therapy-versus-ultrasound-controlled-comparative-study
#6
Osama F Ahmed, Ahmed M Elkharbotly, Nahed Taha, Ahmed B Bekheet
AIM: The aim of the present study was to investigate and compare between Low Level Laser Therapy (LLLT) and Ultrasound (US) in treatment of Carpal Tunnel Syndrome (CTS) using the advantage of application of treatment directly over the transverse carpal ligament, as well as over the course of the median nerve in the forearm simultaneously. DESIGN: Fifty patients (25-55 years) with diabetic neuropathy, diagnosed as unilateral carpal tunnel syndrome participated in the study...
December 2017: BBA Clinical
https://www.readbyqxmd.com/read/28836528/low-level-laser-therapy-a-novel-therapeutic-approach-to-temporomandibular-disorder-a-randomized-double-blinded-placebo-controlled-trial
#7
R Shobha, Veena S Narayanan, B S Jagadish Pai, H P Jaishankar, M J Jijin
AIMS AND OBJECTIVE: The objective of this study was to assess the effectiveness of low-level laser therapy (LLLT)/low intensity laser therapy (LILT) in the management of temporomandibular joint (TMJ) pain in a random and double-blind research design. MATERIALS AND METHODS: TMJ pain patients, randomly assigned into two groups: Group 1 (n = 20) and Group 2 (n = 20), received 2-3 treatments per week for 8 sessions of active LILT with diode laser (gallium aluminum arsenide, 810 nm, 0...
July 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28812164/efficacy-of-fractional-lasers-in-treating-alopecia-a-literature-review
#8
Marina Perper, Adam S Aldahan, Rachel A Fayne, Christopher P Emerson, Keyvan Nouri
Hair loss stemming from different types of alopecia, such as androgenic alopecia and alopecia areata, negatively affects over half the population and, in many circumstances, causes serious psychosocial distress. Current treatment options for alopecia, such as minoxidil, anthralin, and intralesional corticosteroids, vary efficacy and side effect profiles. It is known that low-level laser/light therapies (LLLT), or photobiomodulations, such as the US FDA-cleared HairMax Lasercomb®, He-Ne laser, and excimer laser, are relatively affordable, user-friendly, safe, and effective forms of treatment for hair loss...
August 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28783464/efficacy-of-multiwave-locked-system-laser-on-pain-and-function-in-patients-with-chronic-neck-pain-a-randomized-placebo-controlled-trial
#9
Mohamed Salaheldien Alayat, Ahmed Mohamed Elsoudany, Mohamed Ebrahim Ali
BACKGROUND: Multiwave locked system (MLS) laser therapy utilizes the synchronized emission of an 808 nm continuous laser and a 905 nm pulsed laser. It is postulated that MLS enables greater penetration and therapeutic benefit than single-wavelength low-level laser therapy (LLLT). OBJECTIVE: The aim of this research was to evaluate the efficacies of MLS laser therapy and the 830 nm laser in the treatment of patients with chronic neck pain (CNP). MATERIALS AND METHODS: Seventy-five patients with CNP (mean age 46...
August 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28776408/long-term-results-of-a-randomized-controlled-double-blind-study-of-low-level-laser-therapy-before-exercises-in-knee-osteoarthritis-laser-and-exercises-in-knee-osteoarthritis
#10
Patrícia Pereira Alfredo, Jan Magnus Bjordal, Washington Steagall Junior, Rodrigo Álvaro Brandão Lopes Martins, Martin B Stausholm, Raquel Aparecida Casarotto, Amélia Pasqual Marques, Jon Joensen
OBJECTIVES: To assess the long-term effects of low-level laser therapy (LLLT), in combination with strengthening exercises in patients with osteoarthritis of the knee. DESIGN: Follow-up results at three and six months in a previously published randomized, double-blind, placebo-controlled trial. SETTING: Specialist Rehabilitation Services. SUBJECTS: Forty participants of both genders, aged 50-75 years with knee osteoarthritis grade 2-4 on Kellgren-Lawrence scale...
August 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28766756/efficacy-of-low-level-laser-therapy-compared-to-steroid-therapy-in-the-treatment-of-oral-lichen-planus-a-systematic-review
#11
REVIEW
Zohaib Akram, Tariq Abduljabbar, Fahim Vohra, Fawad Javed
BACKGROUND: Low-level laser therapy (LLLT) has been proposed as a potential treatment strategy for the treatment of oral lichen planus (OLP). The aim of this systematic review was to assess the efficacy of LLLT, in comparison with corticosteroid therapy, in the treatment of OLP. MATERIALS AND METHODS: This systematic review aimed to address the following focused question: "Does LLLT yield better clinical outcomes than corticosteroid therapy in the treatment of OLP?" Indexed databases were searched up to and including April 2017...
August 2, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28742438/effect-of-low-level-laser-therapy-on-bone-regeneration-during-osseointegration-and-bone-graft
#12
Randa Zein, Wayne Selting, Stefano Benedicenti
BACKGROUND: The effect of low-level laser therapy (LLLT) on bone regeneration during osseointegration and bone graft is very controversial. Despite many positive reports of in vitro and in vivo studies and more than 50 randomized clinical trials claiming a positive effect of photobiomodulation (PBM), many reports found no significant effect of lasers. OBJECTIVE: The aim of this study was to evaluate studies correlating PBM and bone regeneration and to assesses parameters that produce positive results based on dose and output power used...
July 21, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28740325/low-level-laser-therapy-in-patients-with-chronic-foot-and-ankle-joint-pain
#13
Hideaki Izukura, Midori Miyagi, Takashi Harada, Toshio Ohshiro, Satoru Ebihara
BACKGROUND AND AIMS: Chronic foot and ankle joint pain is one of the most frequent complaints which is regularly seen in the out-patient clinic of our medical institute. In previous studies we have reported on the benefits of low level laser therapy (LLLT) for chronic pain in the elbow, hand, finger and the lower back. The present study examined the effects of LLLT on chronic foot and ankle joint pain. MATERIALS AND METHODS: Over the past 5 years, 17 subjects visited the out-patient clinic with complaints of chronic foot and ankle joint pain of a variety of aetiologies...
March 31, 2017: Laser Therapy
https://www.readbyqxmd.com/read/28735143/transcranial-low-level-laser-therapy-improves-brain-mitochondrial-function-and-cognitive-impairment-in-d-galactose-induced-aging-mice
#14
Farzad Salehpour, Nahid Ahmadian, Seyed Hossein Rasta, Mehdi Farhoudi, Pouran Karimi, Saeed Sadigh-Eteghad
Mitochondrial function plays a key role in the aging-related cognitive impairment, and photoneuromodulation of mitochondria by transcranial low-level laser therapy (LLLT) may contribute to its improvement. This study focused on the transcranial LLLT effects on the D-galactose (DG)-induced mitochondrial dysfunction, apoptosis, and cognitive impairment in mice. For this purpose, red and near-infrared (NIR) laser wavelengths (660 and 810 nm) at 2 different fluencies (4 and 8 J/cm(2)) at 10-Hz pulsed wave mode were administrated transcranially 3 d/wk in DG-received (500 mg/kg/subcutaneous) mice model of aging for 6 weeks...
October 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28733091/histological-analysis-of-the-association-of-low-level-laser-therapy-and-platelet-rich-plasma-in-regeneration-of-muscle-injury-in-rats
#15
Thiago Alves Garcia, Regina Celi Trindade Camargo, Tatiana Emy Koike, Guilherme Akio Tamura Ozaki, Robson Chacon Castoldi, José Carlos Silva Camargo Filho
OBJECTIVE: Muscle injuries are common, and their treatment requires costs and time off. Platelet rich plasma and low level laser therapy have been shown to be affordable and easy to use. The aim of this study was to evaluate the associated effects of low level laser therapy and platelet rich plasma on the treatment of the soleus muscle injured by strain in rats. METHODS: Thirty-five rats were randomly allocated into five groups: Control (C), Injury Control (IC), injury PRP (IP), injury LLLT (ILT) and injury LLLT and PRP (ILTP)...
July 4, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28716393/combine-effect-of-chondroitinase-abc-and-low-level-laser-660nm-on-spinal-cord-injury-model-in-adult-male-rats
#16
Atousa Janzadeh, Arash Sarveazad, Mahmoud Yousefifard, Sima Dameni, Fazel Sahraneshin Samani, Kobra Mokhtarian, Farinaz Nasirinezhad
After spinal cord injury (SCI) there are many recoveries inhibiting factors such as chondroitin sulfate proteoglycan (CSPG) and inflammation. The present study investigated the combinational effect of low level laser therapy (LLLT) as anti-inflammatory agent and Chondroitinase ABC (ChABC) enzyme as CSPG digesting factor on spinal cord after injury. This study performed on 44 male Wistar rats, spinal cord injury induced by a clip compression injury. Animals received two-weeks treatment of 660nm low level laser (LLL) and intraspinal injection of 1μg ChABC...
July 14, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28691417/effect-of-endovascular-coronary-low-level-laser-therapy-during-angioplasty-on-the-release-of-endothelin-1-and-nitric-oxide
#17
Arkadiusz Derkacz, Alicja Szymczyszyn, Ewa Szahidewicz-Krupska, Marcin Protasiewicz, Rafał Poręba, Adrian Doroszko
BACKGROUND: NO and endothelin-1 are potentially significant factors contributing to the pathogenesis of post-angioplasty restenosis. It may be postulated that LLLT can favourably influence the process of restenosis by affecting those factors. OBJECTIVES: The aim of the study was to evaluate the effect of low-level laser therapy (LLLT) applied during percutaneous coronary intervention (PCI) on the factors participating in the homeostasis of vascular tone - nitric oxide (NO) and endothelin-1...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28690083/analgesic-effects-of-preinjection-low-level-laser-light-therapy-lllt-before-third-molar-surgery-a-double-blind-randomized-controlled-trial
#18
Jacco G C Tuk, Arjen J van Wijk, Ine C Mertens, Zühal Keleş, Jérôme A H Lindeboom, Dan M J Milstein
OBJECTIVE: The aim of this study was to evaluate the analgesic effects of low-level laser therapy (LLLT) on preinjection sites in patients scheduled for third molar removal. STUDY DESIGN: This double-blind randomized controlled trial included 163 healthy patients undergoing third molar extractions. The study participants were randomly divided into an LLLT and a placebo group. Objective and subjective data sets were obtained from physiologic feedback (heart rate and sweat response) and a questionnaire, respectively...
May 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28688752/comparison-of-effects-of-lllt-and-lipus-on-fracture-healing-in-animal-models-and-patients-a-systematic-review
#19
REVIEW
Mohammad Bayat, Amarjit Virdi, Reza Jalalifirouzkouhi, Fatemehalsadat Rezaei
The aim of this paper is to study the in vivo potency of low-level laser therapy (LLLT) and low intensity pulsed ultrasound (LIPUS) alone, accompanied by bone grafts, or accompanied by other factors on fracture healing in animal models and patients. In this paper, we aim to systematically review the published scientific literature regarding the use of LLLT and LIPUS to accelerate fracture healing in animal models and patients. We searched the PubMed database for the terms LLLT or LIPUS and/or bone, and fracture...
July 5, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28688677/long-term-survival-of-a-randomized-phase-iii-trial-of-head-and-neck-cancer-patients-receiving-concurrent-chemoradiation-therapy-with-or-without-low-level-laser-therapy-lllt-to-prevent-oral-mucositis
#20
Héliton S Antunes, Daniel Herchenhorn, Isabele A Small, Carlos M M Araújo, Celia Maria Pais Viégas, Gabriela de Assis Ramos, Fernando L Dias, Carlos G Ferreira
BACKGROUND: The impact of low-level laser therapy (LLLT) to prevent oral mucositis in patients treated with exclusive chemoradiation therapy remains unknown. This study evaluated the overall, disease-free and progression-free survival of these patients. METHODS: Overall, disease-free and progression-free survival of 94 patients diagnosed with oropharynx, nasopharynx, and hypopharynx cancer, who participated on a phase III study, was evaluated from 2007 to 2015. The patients were subjected to conventional radiotherapy plus cisplatin every 3weeks...
August 2017: Oral Oncology
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