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Laser surgery

Luciana Gonçalves Langella, Heliodora Leão Casalechi, Shaiane Silva Tomazoni, Douglas Scott Johnson, Regiane Albertini, Rodney Capp Pallotta, Rodrigo Labat Marcos, Paulo de Tarso Camillo de Carvalho, Ernesto Cesar Pinto Leal-Junior
When conservative treatments fail, hip osteoarthritis (OA), a chronic degenerative disease characterized by cartilage wear, progressive joint deformity, and loss of function, can result in the need for a total hip arthroplasty (THA). Surgical procedures induced tissue trauma and incite an immune response. Photobiomodulation therapy (PBMt) using low-level laser therapy (LLLT) and/or light-emitting diode therapy (LEDT) has proven effective in tissue repair by modulating the inflammatory process and promoting pain relief...
June 16, 2018: Lasers in Medical Science
Amira A Abdel Azim, Rania T Salem, Rania Abdelghani
BACKGROUND: Multiple treatment modalities were introduced for treatment of hidradenitis suppurativa (HS) but mostly with unsatisfactory results. OBJECTIVE: In this prospective randomized right-left intra-individual controlled study, we studied the safety and efficacy of combined treatment with fractional CO2 laser and long pulsed Nd : YAG (1064 nm) laser in treatment of HS. METHODS: Twenty adult patients with HS were randomized into this study...
June 16, 2018: International Journal of Dermatology
Soon-Phaik Chee, Nicole Shu-Wen Chan, Younian Yang, Seng-Ei Ti
AIM: To report the capsulotomy and lens fragmentation outcomes of white cataracts managed with the femtosecond laser (FL). METHODS: Outcomes of a prospective, observational consecutive case series of white cataracts (June 2012-November 2016) that underwent FL-assisted cataract surgery (FLACS) (Victus, Bausch+Lomb, Munich, Germany) at the Singapore National Eye Centre were audited. Data collected:  patient demographics, type of white cataract, levelness of docking, anterior capsule position following laser, completeness of capsulotomy and fragmentation, best-corrected visual acuity (BCVA) at 1 month, intraoperative complications...
June 15, 2018: British Journal of Ophthalmology
Kerr Brogan, Charles J M Diaper, Alan P Rotchford
BACKGROUND/AIMS: To report refractive outcomes from an National Health Service (NHS) cataract surgery service and assess if results meet suggested benchmark standard. METHODS: Details of all patients undergoing cataract surgery in the Southern General and New Victoria hospitals in Glasgow, UK, between November 2006 and December 2016 were prospectively entered into an electronic database. Patients were reviewed 4 weeks postoperatively in the eye clinic and underwent refraction at their local optometrist prior to this appointment...
June 15, 2018: British Journal of Ophthalmology
L Gury, G Robert, H Bensadoun
INTRODUCTION AND OBJECTIVES: Despite its feasibility has been proven, Benign Prostatic Hyperplasia (BPH) day-case surgery remains uncommon. Our objective was to describe the evolution of BPH day-case surgery in France according to the surgical technique employed. MATERIALS AND METHODS: We extracted data from the Information System of Medicalization Program (PMSI) including all of the hospital stays in France from 2010 to 2016. Patients belonging to the transurethral prostatectomy homogeneous group of patients (GHM 12C04) and having as a main diagnosis prostatic hyperplasia (N40) or benign prostatic tumor (D291) were included in the analysis...
June 12, 2018: Progrès en Urologie
Dongyuan Luo, Ting Li, Hongtao Wang, Yiyang Chen
OBJECTIVE: This report describes the design and printing of personalized nasal stents for cleft lip using 3-dimensional (3D) technology. MATERIALS AND METHODS: We used silicone rubber to make the impressions, a 3D laser scanner to obtain 3D data, and Dental SG resin cartridges as printing material. We printed the personalized nasal stents using a photosensitive resin printer. RESULTS: We placed the stents in patients after cleft lip surgery...
January 1, 2018: Cleft Palate-craniofacial Journal
Jacquelyn MacDonell, Niravkumar Patel, Gregory Fischer, E Clif Burdette, Jiang Qian, Vaibhav Chumbalkar, Goutam Ghoshal, Tamas Heffter, Emery Williams, Matthew Gounis, Robert King, Juliette Thibodeau, Gene Bogdanov, Olivia W Brooks, Erin Langan, Roy Hwang, Julie G Pilitsis
BACKGROUND: Ablative lesions are current treatments for epilepsy and brain tumors. Interstitial magnetic resonance (MR) guided focused ultrasound (iMRgFUS) may be an alternate ablation technique which limits thermal tissue charring as compared to laser therapy (LITT) and can produce larger ablation patterns nearer the surface than transcranial MR guided focused ultrasound (tcMRgFUS). OBJECTIVE: To describe our experience with interstitial focused ultrasound (iFUS) ablations in swine, using MR-guided robotically assisted (MRgRA) delivery...
June 14, 2018: Neurosurgery
Yurie Shimoda-Komatsu, Misaki Kinoshita-Ise, Hiroaki Shimoyamada, Manabu Ohyama
Granuloma faciale (GF) is a rare chronic dermatosis with still unknown etiopathology, which usually presents a solitary, asymptomatic, smooth reddish-brown to violaceous plaques or nodules on the face. Various therapeutic approaches, including topical application of corticosteroid or tacrolimus and removal with laser, cryotherapy and surgery have been attempted; however, the outcome has been inconsistent. Herein, we report a case of perinasal nodular GF who repeatedly underwent surgical excisions after the failure of laser treatment...
June 15, 2018: Journal of Dermatology
Yibing Zhang, Yuan Hu, Xiaodong Li, Xiaoru Shi, Feihong Xu, Hui Jia
The aim of the present study was to investigate the role of the limbal stem cells in corneal epithelial homeostasis in patients with peripheral corneal disease who received corneal transplantation surgery. This retrospective study enrolled 85 patients (85 eyes) with peripheral corneal lesion who underwent corneal transplantation at Department of Ophthalmology in First Hospital of Jilin University, Jilin, China. All patients during each follow-up period were examined for best corrected visual acuity, corneal reconstruction (assessed by slit-lamp biomicroscopy), anterior segment optical coherence tomography, and confocal microscopy...
June 2018: Experimental and Therapeutic Medicine
Yu G Alyaev, L M Rapoport, A Z Vinarov, N I Sorokin, A M Dymov, D A Kislyakov, E V Afanasyevskaya, V Yu Lekarev
Currently, transurethral resection of a bladder tumor (TUR) is the gold standart treatment for non-muscle invasive bladder cancer (NMIBC). Standard TUR for a bladder wall tumor has a high recurrence rate, which is caused mainly by malignant cell implantation during the surgery. Besides, specimens obtained with conventional TUR are insufficient for accurate pathological staging. The non-conformity of the standard TUR with the established oncological principle of dissecting through normal tissue prompted a search for the optimal surgical modality...
May 2018: Urologii︠a︡
Pooyan Rohani, Anna N Yaroslavsky, Xin Feng, Peter Jermain, Tarek Shaath, Victor A Neel
INTRODUCTION AND OBJECTIVE: Nonmelanoma skin cancers (NMSCs) are the most common malignancies in the United States. Surgery is the most common treatment for these tumors, but pre-operative identification of surgical margins is challenging. The objective in this study was to determine whether optical polarization imaging (OPI) could be used prior to surgery to detect the extent of subclinical tumor spread by monitoring disruption in collagen. MATERIALS AND METHODS: OPI is a non-invasive and rapid imaging modality that highlights the structure of dermal collagen...
June 14, 2018: Lasers in Surgery and Medicine
Xing-Wang Zhu, Yuan Shi, Li-Ping Shi, Ling Liu, Jiang Xue, Rangasamy Ramanathan
BACKGROUND: Invasive mechanical ventilation (IMV) is associated with the development of adverse pulmonary and non-pulmonary outcomes in very premature infants. Various modes of non-invasive respiratory support are increasingly being used to decrease the incidence of bronchopulmonary dysplasia. The aim of this trial is to compare the effect of non-invasive high-frequency oscillatory ventilation (NHFOV) and nasal continuous positive airway pressure (NCPAP) in preterm infants with respiratory distress syndrome (RDS) as a primary non-invasive ventilation support mode...
June 14, 2018: Trials
Flavio Halak de Oliveira Campos, Lorraine Braga Ferreira, Marcelo Munhoes Romano, Maria Stella Moreira, Carlos de Paula Eduardo, Karen Müller Ramalho
Given the growing trend towards medical indications for continuous use of anticoagulants, the number of patients on these medications continues to rise. The management of patients on oral anticoagulants requiring oral surgical procedures has aroused much controversy. Changes in an anticoagulation regimen are associated with an increased risk of thromboembolism. However, it seems logical and advantageous for the patients' health if surgery could be performed without any change to the anticoagulation therapy...
June 7, 2018: Brazilian Oral Research
Jimmy T Le, Benjamin Rouse, Gus Gazzard
BACKGROUND: Primary angle-closure glaucoma is a type of glaucoma associated with a physically obstructed anterior chamber angle. Obstruction of the anterior chamber angle blocks drainage of fluids (aqueous humor) within the eye and may raise intraocular pressure (IOP). Elevated IOP is associated with glaucomatous optic nerve damage and visual field loss. Laser peripheral iridotomy (often just called 'iridotomy') is a procedure to eliminate pupillary block by allowing aqueous humor to pass directly from the posterior to anterior chamber through use of a laser to create a hole in the iris...
June 13, 2018: Cochrane Database of Systematic Reviews
Philip J Kieffer, Helen Aceto, Darko Stefanovski, Eric J Parente
OBJECTIVE: To assess the outcome of transendoscopic laser surgery for the treatment of epiglottic entrapment (EE) and determine the influence of preoperative morphological characteristics on outcomes. STUDY DESIGN: Retrospective cohort study. ANIMALS: Thoroughbred racehorses treated with transendoscopic laser surgery (n = 66) and untreated cohorts (n = 132). METHODS: Medical, surgical, and race records of 66 horses treated with transendoscopic laser surgery were compared with untreated cohorts randomly selected from their last race presurgery...
June 13, 2018: Veterinary Surgery: VS
Daniele Castellani, Giovanni Saredi, Giacomo Maria Pirola, Luca Gasparri, Maria Pia Pavia, Francesca Ambrosini, Lorenzo Berti, Federico Sembenini, Marco Dellabella
OBJECTIVES: To evaluate whether two similar en bloc thulium laser enucleation of the prostate (ThuLEP) techniques can influence surgical complications and outcomes. MATERIAL: Within two institutional databases164 men who underwent two different en bloc ThuLEP techniques were compared using propensity scores. With the first technique prostatic lobes were all enucleated en bloc, whereas, with the second the median lobe was enucleated first and the lateral lobes were enucleated en bloc thereafter...
June 10, 2018: Urology
Luca Bontempi, Francesca Vassanelli, Manuel Cerini, Lorenza Inama, Gianfranco Mitacchione, Daniele Giacopelli, Antonio Curnis
A 72-year-old man with a dual-chamber implantable defibrillator was referred to our center for transvenous lead extraction because of pocket infection and presence of an abandoned lead. We decided to proceed with a video-assisted thoracoscopic approach because of patient history and documented complete occlusion of the right subclavian vein. During the use of excimer laser for persistent adhesions, the ventricular lead broke down at the level of cavoatrial junction. To successfully remove the remaining portion of lead, we decided to use the excimer laser by femoral route...
June 11, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
Gian Marco Tosi, Tommaso Bacci, Antonio Tarantello, Gianluca Martone, Claudio Traversi, Davide Marigliani, Gabriele Cevenini, Gianni Virgili
PURPOSE: To assess corneal subbasal nerve density (SBND) and corneal sensitivity (CS) after pars plana vitrectomy (PPV) for rhegmatogenous retinal detachment (RRD) without intraoperative 360-degree laser treatment using contact or noncontact panoramic viewing systems. METHODS: This is a prospective study of 34 eyes affected by RRD, which underwent PPV using contact (18 eyes) and noncontact (16 eyes) panoramic viewing systems; 12 eyes which underwent scleral buckling, and 17 eyes which underwent cataract surgery...
June 7, 2018: Cornea
Na Li, Qiaoqiao Sun, Zhengze Yu, Xiaonan Gao, Wei Pan, Xiuyan Wan, Bo Tang
Clinical cancer treatments nowadays still face the challenge of recurrence due to the residual cancer cells and minute lesions in surgeries or chemotherapies. To effectively address the problem, we introduce a strategy for constructing cancer cell nuclear-targeted copper sulfide nanoparticles (NPs) with significant photothermal effect to completely kill residual cancer cells and prevent local cancer recurrence. The NPs could directly target to the tumor cells and further enter the nucleus by the surface modification of RGD and TAT peptides...
June 12, 2018: ACS Nano
Cristian Donos, Joshua Breier, Elliott Friedman, Patrick Rollo, Jessica Johnson, Lauren Moss, Stephen Thompson, Melissa Thomas, Omotola Hope, Jeremy Slater, Nitin Tandon
OBJECTIVES: Laser interstitial thermal therapy (LITT) is a minimally invasive surgical technique for focal epilepsy. A major appeal of LITT is that it may result in fewer cognitive deficits, especially when targeting dominant hemisphere mesial temporal lobe (MTL) epilepsy. To evaluate this, as well as to determine seizure outcomes following LITT, we evaluated the relationships between ablation volumes and surgical or cognitive outcomes in 43 consecutive patients undergoing LITT for MTL epilepsy...
June 12, 2018: Epilepsia
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