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Laser therapy

Aditya K Gupta, Jessie Carviel, William Abramovits
Alopecia areata (AA) is non-scarring hair loss resulting from an autoimmune disorder. Severity varies from patchy hair loss that often spontaneously resolves to severe and chronic cases that can progress to total loss of scalp and body hair. Many treatments are available; however, the efficacy of these treatments has not been confirmed, especially in severe cases, and relapse rates are high. First-line treatment often includes corticosteroids such as intralesional or topical steroids for mild cases and systemic steroids or topical immunotherapy with diphenylcyclopropenone or squaric acid dibutylester in severe cases...
October 22, 2016: American Journal of Clinical Dermatology
Korgün Ökmen, Burcu Metin Ökmen
This study aims to investigate the efficacy of three different percutaneous intradiscal therapies in patients with chronic low back pain (CLBP) due to lumbar disc herniation (LDH). Medical files of a total of 120 patients who received percutaneous intradiscal therapy were retrospectively analyzed. All patients were divided into three groups: group L: diode laser (n = 40), group R: radiofrequency (RF) (n = 40), and group P: pulsed radiofrequency (PRF) (n = 40). The visual analogue scale (VAS) and Oswestry Disability Index (ODI) scores were calculated at 1, 3, 6, and 12 months for all patients...
October 21, 2016: Lasers in Medical Science
David F Woodward, Jenny W Wang, Ming Ni, Alex Bauer, Jose L Martos, Robert W Carling, Neil J Poloso
The purpose of these studies was to test the hypothesis that a selected polypharmacological approach for treating the prostanoid-mediated component of inflammatory diseases would produce a therapeutic effect superior to global inhibition of prostaglandin (PG) biosynthesis by aspirin-like drugs. The compound studied was AGN 211377, which had been previously shown to produce a superior effect on cytokine release from human macrophages compared with cyclooxygenase (COX) inhibitors. AGN 211377 antagonizes prostanoid prostaglandin D2 (DP)1, DP2, prostaglandin E2 (EP)1, EP4, prostaglandin F2α, and thromboxane A2 receptors but not anti-inflammatory EP2, prostaglandin I2, or EP3 receptors...
October 21, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Abdul K Parchur, Qifei Li, Anhong Zhou
We report the synthesis, characterization, and application of Prussian blue (PB) functionalized CaMoO4:Eu@SiO2@Au nanorod hybrid nanoparticles (HNPs), with multimodal capabilities such as fluorescence imaging, surface-enhanced Raman spectroscopy (SERS) detection and photothermal therapy (PTT). The average size of CaMoO4:Eu@SiO2 NPs was 206 nm. The HNPs are highly dispersible in water for several weeks without settling and show a strong absorption in the near-infrared region, overlapping with the PB absorption between 600 nm and 1000 nm and the surface plasmon resonance of Au nanorods around 800 nm...
October 21, 2016: Biomaterials Science
Norbert Nemeth, Katalin Peto, Adam Deak, Viktoria Sogor, Gabor Varga, Bence Tanczos, Klaudia Balog, Adrienn Csiszko, Zoltan Godo, Zsolt Szentkereszty
BACKGROUND: Abdominal compartment syndrome (ACS) is a life-threatening condition, of which pathomechanism hasn't been completely clarified, yet. Furthermore, surgical therapy still needs optimization. OBJECTIVE: We aimed to investigate microcirculatory and micro-rheological alterations in ACS, using various temporary abdominal closure methods, including three settings of vacuum-assisted closure technique (negative pressure wound therapy, NPWT). METHODS: On anesthetized pigs, by intraabdominally placed and filled-up silicone bags, intraabdominal pressure at 30 mmHg was maintained for 3 hours, and afterwards, decompressive laparotomy happened...
October 20, 2016: Clinical Hemorheology and Microcirculation
Qian Chen, Ligeng Xu, Chao Liang, Chao Wang, Rui Peng, Zhuang Liu
A therapeutic strategy that can eliminate primary tumours, inhibit metastases, and prevent tumour relapses is developed herein by combining adjuvant nanoparticle-based photothermal therapy with checkpoint-blockade immunotherapy. Indocyanine green (ICG), a photothermal agent, and imiquimod (R837), a Toll-like-receptor-7 agonist, are co-encapsulated by poly(lactic-co-glycolic) acid (PLGA). The formed PLGA-ICG-R837 nanoparticles composed purely by three clinically approved components can be used for near-infrared laser-triggered photothermal ablation of primary tumours, generating tumour-associated antigens, which in the presence of R837-containing nanoparticles as the adjuvant can show vaccine-like functions...
October 21, 2016: Nature Communications
W B Lei, Q H Liu, L P Chai, X L Zhu, Z F Wang, Q M Li, H C Tang, A Y Jiang, Y H Wen, W P Wen
Objective: To evaluate the feasibility and efficacy of the integrallty submucosal resection of adult-onset laryngeal papilloma by CO2 laser. Methods: A group of 64 cases (36 males and 28 females, multipe lesions 54 cases and single lesion 10 cases, aged 18-75 years, mean age 43.13 years) with adult-onset laryngeal papilloma encountered in the first affliated hospital of Sun Yatsen university from 2009 to 2015 was retrospectively analyzed. All cases were treated with integrallty submucosal dissection of the tumor by CO2 laser, and observed the changes of tumor integral scope, inter-operative, operative processes, postoperative voice quality, postoperative scarring, and the tracheotomy conditions, which were analysed and evaluated...
October 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Nicolas Sananès, Victor Gabriele, Anne Sophie Weingertner, Rodrigo Ruano, Magdalena Sanz-Cortes, Adrien Gaudineau, Bruno Langer, Israël Nisand, Chérif Youssef Akladios, Romain Favre
OBJECTIVE: The primary objective of our study was to evaluate the long-term neurodevelopment outcome after laser surgery for twin-twin transfusion syndrome (TTTS). The secondary objective was to identify perinatal prognostic factors associated with neurodevelopmental impairment. METHOD: This was a single-center cohort prospective study carried out in pregnancies complicated by TTTS and treated by laser. Neurodevleopmental assesment included the administration of Ages and Stages Questionnaires® (ASQ), for the infants between two and five years of age...
October 20, 2016: Prenatal Diagnosis
Alessia Pedoto, Dawn P Desiderio, David Amar, Robert J Downey
BACKGROUND: Spray cryotherapy (SCT) of airway lesions is used to effectively palliate respiratory symptoms related to airway obstruction, but significant intraoperative hemodynamic complications have been noted. We reviewed the experience at a single institution using SCT for the treatment of obstructive airway tumors. METHODS: A retrospective review of a single institution experience with intraoperative and postoperative hemodynamic complications associated with SCT was performed...
November 2016: Anesthesia and Analgesia
Monique Narciso Alba, Marli Gerenutti, Valquíria Miwa Hanai Yoshida, Denise Grotto
Acne vulgaris treatments usually cause sensitivity, teratogenicity and bacterial resistance. Investigations of others therapeutic techniques, such as phototherapy, is highly relevant. Thus, we compared the effectiveness of two Acne vulgaris treatments in adolescents: peeling with salicylic acid and phototherapy. Teens were randomly divided in: group I, treatment with salicylic acid peels (10 %) and group II, treatment with phototherapy (blue LED and red laser lights). Photographs were taken before and after ten sessions of each treatment, carried out weekly, and compared...
October 20, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Jin Ok Baek, Hoon Hur, Ha Ryeong Ryu, Jeong Soo Kim, Kyung Real Lee, Yu Ri Kim, Kwang Ho Choi
Various lasers have been used for the treatment of erythematotelangiectatic rosacea (ETR) that does not respond to systemic or topical therapy. The pulsed dye lasers (PDLs) are an effective option for ETR, and the purpuragenic fluence proved to be superior until now. Given that purpura and subsequent possible postinflammatory hyperpigmentation (PIH) are occasionally unbearable in some patients, and several studies using the low nonpurpuragenic fluence were reported. To deliver the sufficient high fluence of a PDL without generating purpura, we designed the fractionation of high fluence using five passes and longer pulse duration (6 milliseconds) of a PDL in succession...
October 20, 2016: Journal of Cosmetic Dermatology
Markus Hoffmann, Asita Fazel, Kai-Gerrit Mews, Petra Ambrosch
OBJECTIVES: To underline the value of the microendoscopic CO2 -Laser assisted treatment (MEDCO2 ) of Zenker's diverticulum by investigating a large patient cohort treated in a single medical center. DESIGN: Retrospective Cohort Study of consecutive patients. SETTING: Dept. of Otorhinolaryngology, Head & Neck Surgery, Christian-Albrechts-University Kiel, Germany. PARTICIPANTS: 227 patients with Zenkers' diverticulum were treated by MEDCO2 and the results were compared with those reported in the literature for the open transcervical approach (OTA) and the endoscopic staple-assisted esophagodiverticulostomy (ESED)...
October 19, 2016: Clinical Otolaryngology
Yasmeen Jabeen Bhat, Iffat Hassan, Peerzada Sajad, Atiya Yaseen, Syed Mubashir, Saniya Akhter, Roohi Wani
BACKGROUND: Epidermal naevi are benign hamartomatous growths of the skin which are generally asymptomatic with a benign course but are cosmetically disagreeable. Topical treatments such as steroids, calcipotriol, 5 fluorouracil, podophyllin, retinoids and cryotherapy are ineffective and surgical excision results in scar formation. Therapy is often challenging. AIM OF THE STUDY: To study the response of carbon dioxide (CO2) laser in the management of epidermal naevi...
July 2016: Journal of Cutaneous and Aesthetic Surgery
K Ye, R Wang, J Qin, X Yang, M Yin, X Liu, M Jiang, X Lu
OBJECTIVE: The hypothesis that post-operative short-term compression therapy improves operation related complications in patients with uncomplicated varicose veins after endovenous laser ablation (EVLA) treatment was tested. METHODS: In this randomized trial, patients with uncomplicated varicose veins (C2 according to the CEAP classification) treated with EVLA at a single institution from January 2012 to November 2013 were enrolled. Before EVLA, patients were randomized into two groups based on whether or not (control group) they wore an elastic compression stocking (ECS group) post-operatively...
October 16, 2016: European Journal of Vascular and Endovascular Surgery
J H Liang, Y Cheng, X Deng, Y Y Yu, X X Li
: Objective: To evaluate the efficacy of large spot indirect ophthalmoscopy laser alone or combined with systemic chemotherapy in the treatment of early and middle stage retinoblastoma. Methods: Retrospective series case study. Clinical data of 21 patients (22 eyes) who were diagnosed as retinoblastoma (RB) in Peking University People's Hospital from March 2009 to August 2014 were collected. Medical and family history, ocular ultrasound, orbital and cranial MRI or CT examination of RB Children were detailed recorded...
October 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
Massimo Del Fabbro, Stefano Corbella, Patrick Sequeira-Byron, Igor Tsesis, Eyal Rosen, Alessandra Lolato, Silvio Taschieri
BACKGROUND: When primary root canal therapy fails, periapical lesions can be retreated with or without surgery. Root canal retreatment is a non-surgical procedure that involves removal of root canal filling materials from the tooth, followed by cleaning, shaping and obturating of the canals. Root-end resection is a surgical procedure that involves exposure of the periapical lesion through an osteotomy, surgical removal of the lesion, removal of part of the root-end tip, disinfection and, commonly, retrograde sealing or filling of the apical portion of the remaining root canal...
October 19, 2016: Cochrane Database of Systematic Reviews
Stela Vujosevic, Ferdinando Martini, Edoardo Midena
Type 3 neovascularization is considered to originate within the retina with subsequent expansion of the neovascular network into the subretinal space. Choroidal circulatory disturbances seem to have a role in Type 3 neovascularization development, but the exact pathophysiology is still under debate. Although eyes with Type 3 neovascularization usually have thinner choroid compared to normal eyes, the increased choroidal thickness associated with Type 3 neovascularization may be a prognostic factor for its recurrence...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
John J Wroblewski, Allen Y Hu
BACKGROUND AND OBJECTIVE: To evaluate the effects of squalamine (OHR-102; Ohr Pharmaceuticals, New York, NY) and ranibizumab (Lucentis; Genentech, South San Francisco, CA) on macular edema (ME) secondary to retinal vein occlusion (RVO). PATIENTS AND METHODS: Twenty consecutive, treatment-naïve patients with RVO-related ME received topical squalamine and intravitreal ranibizumab 0.5 mg for 10 weeks, followed by randomization to continue or discontinue squalamine...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
Yuji Itoh, Daniel Petkovsek, Peter K Kaiser, Rishi P Singh, Justis P Ehlers
BACKGROUND AND OBJECTIVE: To assess the relationship between spectral-domain optical coherence tomography (SD-OCT) features and functional outcomes for diabetic macular edema (DME) undergoing treatment with intravitreal bevacizumab (Avastin; Genentech, South San Francisco, CA). PATIENTS AND METHODS: Institutional review board-approved, retrospective, consecutive case series of eyes receiving intravitreal bevacizumab (1.25 mg) for DME. SD-OCT features were evaluated and correlated with functional response to anti-vascular endothelial growth factor (VEGF) therapy...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
Ben H Chew, Dirk Lange
Open ureterolithotomy and pyelolithotomy used to be first line therapy for treating kidney and ureteral stones. With the advent of shockwave lithotripsy, open stone surgery became less prevalent, but once ureteroscopy became more prevalent, open stone surgery became all but extinct. Advances in smaller, more flexible endoscopes and improvements in intracorporeal lithotripters, ureteroscopy has become a mainstay of therapy for kidney stones. The holmium:YAG laser can be utilized through flexible instruments and fragments any stone no matter what it is composed of...
October 19, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
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