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Laser pain

Tanya Moutray, Jennifer R Evans, Noemi Lois, David J Armstrong, Tunde Peto, Augusto Azuara-Blanco
BACKGROUND: Diabetic retinopathy (DR) is a chronic progressive disease of the retinal microvasculature associated with prolonged hyperglycaemia. Proliferative DR (PDR) is a sight-threatening complication of DR and is characterised by the development of abnormal new vessels in the retina, optic nerve head or anterior segment of the eye. Argon laser photocoagulation has been the gold standard for the treatment of PDR for many years, using regimens evaluated by the Early Treatment of Diabetic Retinopathy Study (ETDRS)...
March 15, 2018: Cochrane Database of Systematic Reviews
Daniela Litscher, Junying Wang, Gerhard Litscher, Guangzong Li, Peggy Bosch, Maurits van den Noort, Lu Wang
Background: One of the most commonly used auricular acupuncture points selected for different pain treatment regimens is Shenmen. This point on the ear has been recognized as having a wide number of applications, as found by scientific investigation. Methods: Within this crossover study, the ear acupoint Shenmen was stimulated with two different kinds of laser (green, 532 nm and yellow, 589 nm) in 22 healthy volunteers (13 female, 9 male; mean age ± SD = 25.3 ± 4.1 years; range 21-36 years). Both green and yellow lasers were used for 15 min in the same volunteers in two different sessions...
March 15, 2018: Medicines (Basel, Switzerland)
V Botan, S Fan, H Critchley, J Ward
The Rubber Hand Illusion (RHI) paradigm has been widely used to investigate the sense of body ownership. People who report experiencing the pain of others are hypothesised to have differences in computing body ownership and, hence, we predicted that they would perform atypically on the RHI. The Vicarious Pain Questionnaire (VPQ), was used to divide participants into three groups: (1) non-responders (people who report no pain when seeing someone else experiencing physical pain), (2) sensory-localised responders (report sensory qualities and a localised feeling of pain) and (3) affective-general responders (report a generalised and emotional feeling of pain)...
March 9, 2018: Consciousness and Cognition
Mustafa Cem Terzi, Cihan Agalar, Sari Habip, Aras Emre Canda, Naciye Cigdem Arslan, Funda Obuz
BACKGROUND: Primary closure of the fistula tract using energy emitted by a radial fiber connected to a diode laser is a novel procedure for treating perianal fistulas. OBJECTIVE: The aim of this study was to determine the long-term effectiveness of this new technique. DESIGN: The surgical objective was to seal the fistula tract using laser energy. SETTINGS: The study was conducted at a single day-case surgery center...
March 8, 2018: Diseases of the Colon and Rectum
Khaled G Abdel-Wahhab, Eitedal M Daoud, Aliaa El Gendy, Hagar H Mourad, Fathia A Mannaa, Maha M Saber
Diabetic neuropathy (DN) is the highly occurred complication of diabetes mellitus; it has been defined as an event of peripheral nerve dysfunction characterized by pain, allodynia, hyperalgesia, and paraesthesia. The current study was conducted to evaluate the efficacy of low-level laser therapy (LLLT) in the management of neuropathy in diabetic rats. The used animals were divided into the following groups: negative control, streptozotocin-induced diabetic rats, and diabetic rats with peripheral neuropathy (DNP) and DNP treated with gabapentin or with LLLT...
March 12, 2018: Applied Biochemistry and Biotechnology
H Roman, M Ballester, J Loriau, M Canis, P A Bolze, J Niro, S Ploteau, C Rubod, C Yazbeck, P Collinet, B Rabischong, B Merlot, X Fritel
The article presents French guidelines for surgical management of endometriosis. Surgical treatment is recommended for mild to moderate endometriosis, as it decreases pelvic painful complaints and increases the likelihood of postoperative conception in infertile patients (A). Surgery may be proposed in symptomatic patients with ovarian endometriomas which diameter exceeds 20mm. Cystectomy allows for better postoperative pregnancy rates when compared to ablation using bipolar current, as well as for lower recurrences rates when compared to ablation using bipolar current or CO2 laser...
March 8, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
Maarten van Beek, Denise Hermes, Wiel M Honig, Bengt Linderoth, Sander M J van Kuijk, Maarten van Kleef, Elbert A Joosten
OBJECTIVES: This study utilizes a model of long-term spinal cord stimulation (SCS) in experimental painful diabetic polyneuropathy (PDPN) to investigate the behavioral response during and after four weeks of SCS (12 hours/day). Second, we investigated the effect of long-term SCS on peripheral cutaneous blood perfusion in experimental PDPN. METHODS: Mechanical sensitivity was assessed in streptozotocin induced diabetic rats (n = 50) with von Frey analysis. Hypersensitive rats (n = 24) were implanted with an internal SCS battery, coupled to an SCS electrode covering spinal levels L2-L5...
March 9, 2018: Neuromodulation: Journal of the International Neuromodulation Society
Ivan Medina-Porqueres, Raquel Cantero-Tellez
OBJECTIVE: Osteoarthritis (OA) is a chronic and prevalent joint disorder with great impact on quality of life and high economic burden. Although a number of conservative therapies have proven to be effective for the management of hand OA, only modest treatment effects were reported for most individual interventions. The aim of the proposed study is to assess the effect of Class IV laser therapy (LT) on pain and pinch strength in patients with thumb carpometacarpal (TCMC) OA. METHODS: A randomized, controlled, single-centre, double-blind, clinical trial, with 1:1 allocation ratio, will be carried out involving patients presenting TCMC-OA Grades 1-2 (aged >18 years)...
March 9, 2018: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
Brunna Haddad Anhesini, Eric Mayer-Santos, Luciana Fàvaro Francisconi-Dos-Rios, Patricia Moreira de Freitas, Carlos Paula Eduardo, Ana Cecília Corrêa Aranha
Despite nearly a century of research, the treatment of cervical dentinal hypersensitivity (DH) remains challenging. This case report discusses the indications for different approaches to the treatment of DH in a single patient; the chosen alternatives took into account the different degrees of tooth wear and levels of pain at different sites. A 31-year-old woman reported DH in the maxillary right canine and first premolar and the maxillary left lateral incisor and canine in response to thermal, tactile, and osmotic stimuli...
March 2018: General Dentistry
Young Ju Lee, Seung-June Oh
PURPOSE: To report de novo calculi in the prostatic surgical bed as a complication of Holmium laser enucleation of the prostate (HoLEP). MATERIALS AND METHODS: Patients who underwent HoLEP and were enrolled in our Benign Prostatic Hyperplasia (BPH) Database Registry from July 2008 to December 2015 were reviewed. Cases of calculi removal in the prostatic surgical bed were identified. Clinical data, including preoperative evaluation, postoperative symptoms with a detailed history, urinalysis, pathology, cystourethroscopy, and stone analysis were collected and described...
March 7, 2018: Urology Journal
C Rubod, E Jean Dit Gautier, C Yazbeck
Surgical management of ovarian endometrioma is most often part of a global approach of endometriosis pathology. Isolated endometrioma are rare. Laparoscopic cystectomy is the gold standard for surgical management of endometrioma. Nevertheless, this technique impacts the ovarian function. The hemostasis of the ovarian cyst bed should be performed to conserve the ovarian stroma. Ultrasonography-guided cyst aspiration, laparoscopic drainage and simple bipolar coagulation are not recommended as first line of treatment...
March 3, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
Karen G Karakov, Kristina S Gandylyan, Emiliya E Khachaturyan, Tatyana N Vlasova, Artur V Oganyan, Alla V Eremenko
BACKGROUND: The article describes the results of research on efficiency of using antimicrobial photodynamic therapy in treatment of chronic periodontitis. METHODS: 88 root canals in 84 patients were examined and treated. The diagnosis of chronic apical periodontitis was made based on anamnesis, data of clinical and instrumental examination, assessment of X-ray images. Patients were randomly selected to comply with the purity of the experiment. RESULTS: It was found that the use of antimicrobial photodynamic therapy leads to a reduction of medical cases accompanied by pain reaction after a one-stage treatment of chronic periodontitis when compared with data of the patients treated with calcium hydroxide preparation...
February 2018: Journal of the National Medical Association
E Sjögren, T Kullenberg, B Jonzon, M Segerdahl, O Stålberg, M M Halldin, A K Sundgren-Andersson
BACKGROUND: The transient receptor potential cation channel subfamily V 1 (TRPV1) is involved in nociception and has thus been of interest for drug developers, as a target for novel analgesics. However, several oral TRPV1 antagonists have failed in development, and novel approaches to target TRPV1 with innovative chemistry are needed. METHOD: This work describes an intradermal microdosing approach in humans for pharmacodynamic deductions and pharmacological profiling of compounds...
March 5, 2018: European Journal of Pain: EJP
Kamiar Ghoseiri, Mostafa Allami, Mohammad Reza Soroush, Mohammad Yusuf Rastkhadiv
The prevalence of limb amputation is increasing globally as a devastating experience that can physically and psychologically affect the lifestyle of a person. The residual limb pain and phantom limb pain are common disabling sequelae after amputation surgery. Assistive devices/technologies can be used to relieve pain in people with amputation. The existing assistive devices/technologies for pain management in people with amputation include electrical nerve block devices/technologies, TENS units, elastomeric pumps and catheters, residual limb covers, laser systems, myoelectric prostheses and virtual reality systems, etc...
January 23, 2018: Military Medical Research
Natália Guimarães Barbosa, Amanda Katarinny Goes Gonzaga, Luzia Leiros de Sena Fernandes, Aldilane Gonçalves da Fonseca, Salomão Israel Monteiro Lourenço Queiroz, Telma Maria Araújo Moura Lemos, Éricka Janine Dantas da Silveira, Ana Miryam Costa de Medeiros
The aim of this study was to evaluate the efficacy of low-level laser therapy (LLLT) and alpha-lipoic acid (ALA) in the treatment of burning mouth syndrome (BMS) and secondary oral burning (SOB) by unstimulated sialometry, symptom assessment, and measurement of salivary TNF-α levels. Forty-four patients were randomized into four treatment groups: BMS/laser (n = 10), BMS/ALA (n = 5), SOB/laser (n = 15), and SOB/ALA (n = 14). The control group consisted of eight healthy female subjects. Unstimulated salivary flow was measured before and after treatment, and the collected saliva was stored at - 20 °C for the analysis of TNF-α...
March 3, 2018: Lasers in Medical Science
Anyin Li, Martin R L Paine, Stephen Zambrzycki, Rachel Stryffeler, Jason Wu, Marcos Bouza, Jake Huckaby, Chu-Yin Chang, Manoj Kumar, Piyoosh Mukhija, Facundo M Fernandez
Many technologies currently exist that are capable of analyzing the surface of solid samples under ambient or vacuum conditions, but they are typically limited to smooth, planar surfaces. Those few that can be applied to non-planar surfaces, however, require manual sampling and a high degree of human intervention. Herein, we describe a new platform, Robotic Surface Analysis Mass Spectrometry (RoSA-MS), for direct surface sampling of three-dimensional (3D) objects. In RoSA-MS, a sampling probe is attached to a robotic arm that has 360° rotation through 6 individual joints...
March 1, 2018: Analytical Chemistry
Venkatesh Doreyawar, Raveendra P Gadag, Dandi Narasaiah Manjunath, Shivalingappa B Javali, Nagaraj Maradi, Deekshit Shetty
Hypertrophy of the inferior nasal turbinate is one of the most common causes of nasal obstruction. The diode laser has proven to be as effective as other lasers for this indication. Our objective was to study various outcomes associated with the use of the diode laser, such as improvements in nasal obstruction and postoperative pain, reduction in intraoperative bleeding, and rapidity of healing. A nonrandomized, controlled trial was conducted in which outcomes were compared between diode laser turbinate reduction (LTR) and conventional partial inferior turbinectomy (PIT) in 60 patients, 30 who underwent LTR and 30 who underwent PIT...
January 2018: Ear, Nose, & Throat Journal
Adone Baroni
Xanthelasma palpebrarum is the most common type of xanthoma affecting the eyelids. It is characterized by asymptomatic soft yellowish macules, papules, or plaques over the upper and lower eyelids. Many treatments are available for management of xanthelasma palpebrarum, the most commonly used include surgical excision, ablative CO2 or erbium lasers, nonablative Q-switched Nd:YAG laser, trichloroacetic acid peeling, and radiofrequency ablation. This study aims to evaluate the effectiveness of RF ablation in the treatment of xanthelasma palpebrarum, with D...
March 1, 2018: Journal of Cosmetic Dermatology
Siddharth Tevatia, Vivek Khatri, Nikhil Sharma, Vidya Dodwad
Context: Dentinal hypersensitivity (DH) is a chronic disorder in which patients report sharp and acute pain to a variety of stimuli. Till date, a standardized procedure to treat DH is missing, though several alternative treatment strategies have been designed, including laser therapies. Aim: The aim of the study was to treat DH with minimum chemical concentration and least laser energy level with longer follow-up period. Materials and Methods: One hundred and twenty patients were randomly divided into four groups: (i) Group 1-5% potassium nitrate (KNO3 ); (ii) Group 2 - gallium-aluminum-arsenide diode laser (62...
September 2017: Journal of Indian Society of Periodontology
Seung-Kook Kim, Su-Chan Lee, Seung-Woo Park
CONTEXT/OBJECTIVE: Trans-sacral epiduroscopic laser decompression (SELD) is an alternative to microscopic open lumbar discectomy (OLD). SELD and OLD for L5-S1 lumbar disc herniation (LDH) have not been compared. We compared clinical results, including pain control, between SELD and OLD. DESIGN: Retrospective analysis. SETTING: Korean hospital. PARTICIPANTS: Eighty patients treated with SELD (n = 40) or microscopic OLD (n = 40) for L5-S1 LDH...
February 28, 2018: Journal of Spinal Cord Medicine
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