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https://www.readbyqxmd.com/read/28096667/hyaluronan-modified-superparamagnetic-iron-oxide-nanoparticles-for-bimodal-breast-cancer-imaging-and-photothermal-therapy
#1
Rui-Meng Yang, Chao-Ping Fu, Jin-Zhi Fang, Xiang-Dong Xu, Xin-Hua Wei, Wen-Jie Tang, Xin-Qing Jiang, Li-Ming Zhang
Theranostic nanoparticles with both imaging and therapeutic abilities are highly promising in successful diagnosis and treatment of the most devastating cancers. In this study, the dual-modal imaging and photothermal effect of hyaluronan (HA)-modified superparamagnetic iron oxide nanoparticles (HA-SPIONs), which was developed in a previous study, were investigated for CD44 HA receptor-overexpressing breast cancer in both in vitro and in vivo experiments. Heat is found to be rapidly generated by near-infrared laser range irradiation of HA-SPIONs...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28096104/recent-developments-in-the-surgical-management-of-paediatric-epilepsy
#2
REVIEW
Vijay M Ravindra, Matthew T Sweney, Robert J Bollo
Among the 1% of children affected by epilepsy, failure of pharmacological therapy and early age of seizure onset can lead to worse long-term cognitive outcomes, mental health disorders and impaired functional status. Surgical management often improves functional and cognitive outcomes in children with medically refractory epilepsy, especially when seizure remission is achieved. However, surgery remains underused in children with drug-resistant epilepsy, creating a large treatment gap. Several recent innovations have led to considerable improvement in surgical technique, including the recent development of minimally invasive diagnostic and therapeutic techniques such as stereotactic EEG, transcranial magnetic stimulation, MRI-guided laser ablation, as well as novel paradigms of neurostimulation...
January 17, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28094678/orthotic-treatment-of-positional-brachycephaly-associated-with-osteogenesis-imperfecta
#3
Carolina G Matarazzo, Gerd Schreen, Camilla D do Lago-Rizzardi, Maria Stella Peccin, Fernando Cg Pinto
Osteogenesis imperfecta is an inherited disorder of the connective tissue characterized primarily by fractures with no or small causal antecedents and extremely variable clinical presentation. The disorder requires a global and, therefore, multidisciplinary therapeutic approach that should aim, among other aspects, at the prevention and treatment of deformities resulting from osteogenesis imperfecta. Due to limitations related to bony deformities, it can be difficult to place these infants in a variety of positions that would help remediate skull deformities, so a cranial orthosis becomes the therapy of choice...
January 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28094044/diagnosis-and-treatment-of-acute-retinal-necrosis-a-report-by-the-american-academy-of-ophthalmology
#4
Scott D Schoenberger, Stephen J Kim, Jennifer E Thorne, Prithvi Mruthyunjaya, Steven Yeh, Sophie J Bakri, Justis P Ehlers
PURPOSE: To evaluate the available evidence in peer-reviewed publications about the diagnosis and treatment of acute retinal necrosis (ARN). METHODS: Literature searches of the PubMed and Cochrane Library databases were last conducted on July 27, 2016. The searches identified 216 unique citations, and 49 articles of possible clinical relevance were reviewed in full text. Of these 49 articles, 27 were deemed sufficiently relevant or of interest, and they were rated according to strength of evidence...
January 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28093356/laser-and-photochemotherapy-for-the-treatment-of-oral-mucositis-in-young-patients-randomized-clinical-trial
#5
João Batista Medeiros Filho, Etevaldo Matos Maia Filho, Meire Coelho Ferreira
BACKGROUND: The aim of the present study was to evaluate the effect of low-level laser therapy (LLLT) combined with photochemotherapy (PCT) for the treatment of chemotherapy-induced oral mucositis in young patients. METHODS: A randomized, blind, clinical trial with a split-mouth design was conducted involving a sample of 15 cancer patients aged three to 16 years at the Aldenora Bello Hospital in the city of São Luís, Brazil. The treatments (PCT+LLLT and LLLT alone) were randomly determined for each side of the oral cavity...
January 13, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28088107/gaas-laser-therapy-reestablishes-the-morphology-of-the-nmj-and-nachrs-after-injury-due-to-bupivacaine
#6
Cristiane Neves Alessi Pissulin, Paula Aiello Tomé de Souza Castro, Flávio Codina, Carina Guidi Pinto, Ivan Jose Vechetti-Junior, Selma Maria Michelin Matheus
BACKGROUND: Local anesthetics are used to relieve pre- and postoperative pain, acting on both sodium channels and nicotinic acetylcholine receptors (nAChR) at the neuromuscular junction (NMJ). Bupivacaine acts as a non-competitive antagonist and has limitations, such as myotoxicity, neurotoxicity, and inflammation. Low-level laser therapy (LLLT) has anti-inflammatory, regenerative, and analgesic effects. The aim of the present study was to evaluate the effects of a gallium arsenide laser (GaAs) on the morphology of the NMJ and nAChRs after application of bupivacaine in the sternomastoid muscle...
December 22, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28079797/case-report-rapid-improvement-of-crossed-cerebellar-diaschisis-after-intravascular-laser-irradiation-of-blood-in-a-case-of-stroke
#7
Wan-Hua Yang, Shiou-Ping Lin, Shin-Tsu Chang
RATIONALE: Crossed cerebellar diaschisis (CCD) is a poor prognostic factor after stroke because without immediate cerebral reperfusion no further improvements in the patient's condition can be achieved. We investigated the clinical effects of intravascular laser irradiation therapy (ILIB) on CCD and evaluated the therapeutic effect in the sub-acute post-stroke stage. PATIENT CONCERNS: The 77-year-old male with cerebral infarction in the territory of the right anterior cerebral artery only underwent conservative treatment including hydration and aspirin in the acute post-stroke stage...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28071612/expression-of-raf-kinase-inhibitor-protein-in-human-hepatoma-tissues-by-two-dimensional-gel-electrophoresis-and-matrix-assisted-laser-desorption-ionization-time-of-flight-methods
#8
D A Tsao, Y F Shiau, C S Tseng, H R Chang
PURPOSE: Hepatocellular carcinoma (HCC) is the most common malignant liver tumor. To reduce the mortality and improve the effectiveness of therapy, it is important to search for changes in tumor-specific biomarkers whose function may involve in disease progression and which may be useful as potential therapeutic targets. Materials and Mehtods: In this study, we use two-dimensional polyacrylamide gel electrophoresis (2-DE) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry to observe proteome alterations of 12 tissue pairs isolated from HCC patients: Normal and tumorous tissue...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28060586/evidence-based-treatment-of-diabetic-macular-edema
#9
Rasha Barham, Hala El Rami, Jennifer K Sun, Paolo S Silva
Diabetes mellitus is a chronic disease that affects 415 million people worldwide. Despite treatment advances, diabetic eye disease remains a leading cause of vision loss worldwide. Diabetic macular edema (DME) is a common cause of vision loss in diabetic patients. The pathophysiology is complex and involves multiple pathways that ultimately lead to central retinal thickening and, if untreated, visual loss. First-line treatment of DME has evolved from focal/grid laser established by the Early Treatment of Diabetic Retinopathy Study (ETDRS) to intravitreous pharmacologic therapy...
2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28054261/effectiveness-of-low-level-laser-therapy-on-pain-intensity-pressure-pain-threshold-and-sf-mpq-indexes-of-women-with-myofascial-pain
#10
Laís Valencise Magri, Vinícius Almeida Carvalho, Flávia Cássia Cabral Rodrigues, César Bataglion, Christie Ramos Andrade Leite-Panissi
Women with temporomandibular disorders (TMD) frequently report pain areas in body regions. This process is associated with central sensitization phenomena, present in chronic pain. The low-level laser therapy (LLLT) has been reported as a therapeutic option for the painful TMD treatment. The aim of this study was to analyze the effect of LLLT on pain intensity (visual analogue scale, VAS), pain sensitivity in orofacial and corporal points (pressure pain threshold, PPT), and on Short Form-McGill Pain Questionnaire (SF-MPQ) indexes of women with myofascial pain (subtype of muscle TMD)...
January 4, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28042338/tumor-stiffening-a-key-determinant-of-tumor-progression-is-reversed-by-nanomaterial-induced-photothermal-therapy
#11
Iris Marangon, Amanda A K Silva, Thomas Guilbert, Jelena Kolosnjaj-Tabi, Carmen Marchiol, Sharuja Natkhunarajah, Foucault Chamming's, Cécilia Ménard-Moyon, Alberto Bianco, Jean-Luc Gennisson, Gilles Renault, Florence Gazeau
Tumor stiffening, stemming from aberrant production and organization of extracellular matrix (ECM), has been considered a predictive marker of tumor malignancy, non-invasively assessed by ultrasound shear wave elastography (SWE). Being more than a passive marker, tumor stiffening restricts the delivery of diagnostic and therapeutic agents to the tumor and per se could modulate cellular mechano-signaling, tissue inflammation and tumor progression. Current strategies to modify the tumor extracellular matrix are based on ECM-targeting chemical agents but also showed deleterious systemic effects...
2017: Theranostics
https://www.readbyqxmd.com/read/28042273/gingival-crevicular-fluid-periostin-levels-in-chronic-periodontitis-patients-following-nonsurgical-periodontal-treatment-with-low-level-laser-therapy
#12
Dhanangchaayan Kumaresan, Aruna Balasundaram, Vanaja Krishna Naik, Deva Priya Appukuttan
OBJECTIVE: Periostin is a matricellular protein highly expressed in periosteum, periodontal ligament and is essential for tissue integrity and maturation. It plays a role in collagen fibrillogenesis and is downregulated in periodontal disease. Biostimulation utilizing low-level laser therapy (LLLT) influences periodontal ligament fibroblast proliferation. This study was conducted with the objective of estimating periostin levels in chronic periodontitis (CP) patients following LLLT as an adjunct to root surface debridement (RSD)...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28031354/intra-arterial-nitroglycerin-as-directed-acute-treatment-in-experimental-ischemic-stroke
#13
Michael E Maniskas, Jill M Roberts, Rebecca Trueman, Annastazia E Learoyd, Amanda Gorman, Justin F Fraser, Gregory J Bix
BACKGROUND: Nitroglycerin (also known as glyceryl trinitrate (GTN)), a vasodilator best known for treatment of ischemic heart disease, has also been investigated for its potential therapeutic benefit in ischemic stroke. The completed Efficacy of Nitric Oxide in Stroke trial suggested that GTN has therapeutic benefit with acute (within 6 hours) transdermal systemic sustained release therapy. OBJECTIVE: To examine an alternative use of GTN as an acute therapy for ischemic stroke following successful recanalization...
December 28, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28031088/therapy-and-prevention-of-postoperative-urosepsis-of-ureter-endoscopic-lithotripsy-for-non-infection
#14
Jun Shen, Fa Sun, Fang-Min Chen, Zhi-Ping Wu, Sheng-Wen Li
Objective To analyze the risk factors causing postoperative urosepsis in ureter endoscopic lithotripsy without infection preoperatively, in order to make a more effective and safer preventive and therapeutic strategy.Methods From January 2010 to January 2015, 5 ureteral calculus patients undergoing ureter endoscopic lithotripsy with holmium laser were retrospectively enrolled in this clinical study. These patients suffered urosepsis postoperatively confirmed by the clinical presentations and laboratory Results, while they had no infection in their blood and urine preoperatively...
March 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28028422/can-low-level-laser-therapy-benefit-bone-regeneration-in-localized-maxillary-cystic-defects-a-prospective-randomized-control-trial
#15
Ahmed Abbas Zaky, Hanaa Mohamed Mohamed El Shenawy, Tarek Abdel Hamed Harhsh, Mahmoud Shalash, Noha Mohamed Ismael Awad
AIM: The aim of the study was to evaluate the effect of Low-Level Laser Therapy (LLLT) on bone formation in cystic defects following cyst enucleation. PATIENTS AND METHODS: The sample was composed of sixteen patients with enucleated maxillary bony cystic lesions. With an age range from 20 - 44 grouped as eight Laser and eight Control patients. Laser group was subjected to low intensity diode laser immediately after surgery and then for three times per week for two weeks using a therapeutic laser irradiation...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28027944/antibiofilm-efficacy-of-green-synthesized-graphene-oxide-silver-nanocomposite-using-lagerstroemia-speciosa-floral-extract-a-comparative-study-on-inhibition-of-gram-positive-and-gram-negative-biofilms
#16
Shatavari Kulshrestha, Shariq Qayyum, Asad U Khan
Biofilm architecture provides bacteria with enhanced antibiotic resistance, thus raising the need to search for alternative therapies that can inhibit the bacterial colonization. In the present study, we synthesized graphene oxide-silver nanocomposite (GO-Ag) by non-toxic and eco-friendly route using a floral extract of Legistromia speciosa (L.) Pers. The gas chromatography-mass spectrometry (GC-MS) analysis of plant extract revealed the presence of compounds which can simultaneously act as reducing and capping agents...
December 24, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28024382/gold-nanoclustered-hyaluronan-nano-assemblies-for-photothermally-maneuvered-photodynamic-tumor-ablation
#17
Hwa Seung Han, Ki Young Choi, Hansang Lee, Minchang Lee, Jae Yoon An, Sol Shin, Seunglee Kwon, Doo Sung Lee, Jae Hyung Park
Optically active nanomaterials have shown great promise as a nanomedicine platform for photothermal or photodynamic cancer therapies. Herein, we report a gold-nanoclustered hyaluronan nanoassembly (GNc-HyNA) for photothermally boosted photodynamic tumor ablation. Unlike other supramolecular gold constructs based on gold nanoparticle building blocks, this system utilizes the nanoassembly of amphiphilic hyaluronan conjugates as a drug carrier for a hydrophobic photodynamic therapy agent verteporfin, a polymeric reducing agent, and an organic nanoscaffold upon which gold can grow...
December 27, 2016: ACS Nano
https://www.readbyqxmd.com/read/28024381/enabling-prussian-blue-with-tunable-localized-surface-plasmon-resonances-simultaneously-enhanced-dual-mode-imaging-and-tumor-photothermal-therapy
#18
Xiaojun Cai, Wei Gao, Linlin Zhang, Ming Ma, Tianzhi Liu, Wenxian Du, Yuanyi Zheng, Hangrong Chen, Jianlin Shi
Prussian blue (PB) has been used as a photothermal conversion agent to generate heat to induce localized damage to tumor. However, its therapeutic efficiency is far from satisfactory. One of the major obstacles is that the maximum NIR absorption peak of PB within 690-720 nm cannot be optimized near the wavelength of the laser to enhance its therapeutic efficiency. Herein, we report that the integration of Gd(3+) into PB nanocrystals (GPB NCs) enables PB with tunable localized surface plasmon resonances (LSPRs) from 710 to 910 nm, achieving the maximum NIR peak near the wavelength of the laser...
December 27, 2016: ACS Nano
https://www.readbyqxmd.com/read/28009635/perioperative-and-anesthetic-considerations-for-neurosurgical-laser-interstitial-thermal-therapy-ablations
#19
Federico Jimenez-Ruiz, Benjamin Arnold, Claudio E Tatsui, Juan P Cata
OBJECTIVE: To describe the anesthetic considerations in patients undergoing laser interstitial thermal therapy (LITT) for neurosurgical procedures. BACKGROUND: LITT for neurosurgical procedures is being increasingly used in a variety of central nervous system diseases. Several studies have demonstrated promising results including a shorter hospital stay. Given the rising trend for the use of LITT, anesthesiologists need to be familiar with the anesthetic considerations to provide care for patients undergoing these types of procedures...
December 22, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27998104/ppy-mil-100-nanoparticles-as-a-ph-and-near-ir-irradiation-responsive-drug-carrier-for-simultaneous-photothermal-therapy-and-chemotherapy-of-cancer-cells
#20
Yu-Da Zhu, Su-Ping Chen, Huan Zhao, You Yang, Xiao-Qin Chen, Jing Sun, Hong-Song Fan, Xing-Dong Zhang
A medical nanoplatform with small size, low cost, biocompatibility, good biodegradability, and, in particular, multifunctionality has attracted much attention in the exploration of novel therapeutic methodologies. As an emerging material of self-assembled porous structure, metal-organic frameworks (MOFs) have high expectations because of their special properties compared to traditional porous materials. Therefore, integration of MOFs and functional materials is leading to the creation of new multifunctional composites/hybrids...
December 21, 2016: ACS Applied Materials & Interfaces
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