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sodium hyaluronate

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https://www.readbyqxmd.com/read/29776868/hemorrhagic-cystitis-after-hematopoietic-stem-cell-transplantation-a-challenge-for-the-pediatric-urologist
#1
REVIEW
Romy Gander, Marino Asensio, Gabriela Guillén, Gloria Fatou Royo, Andrea Bolaños, Mercedes Pérez, Cristina Diaz-De-Heredia, Maribel Benitez, Manuel López
OBJECTIVE: Hemorrhagic cystitis (HC) is a serious event that can occur after hematopoietic stem cell transplantation (HSCT). Treatment goals are primarily to preserve life, and then the functionality of the bladder. There is no standard therapeutic approach for HC. Described treatment options provide low success rates and are related to potential life-threatening side effects. The aim of this study was to describe our experience in treatment of HC following HSCT. PATIENTS AND METHODS: This was a retrospective study of patients with HC treated at our institution between January 2010 and October 2016...
April 20, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29776765/effects-of-artificial-tear-treatment-on-corneal-epithelial-thickness-and-corneal-topography-findings-in-dry-eye-patients
#2
B Çakır, E Doğan, E Çelik, T Babashli, T Uçak, G Alagöz
PURPOSE: To investigate the effects of artificial tear treatment on central corneal epithelial thickness, and central, mid-peripheral and peripheral corneal thicknesses in patients with dry eye disease (DED). MATERIAL-METHODS: Patients with DED underwent ocular examinations, including Schirmer-2 test, slit lamp examination for tear break-up time (BUT), corneal topography (CT) for measuring mean central, mid-peripheral and peripheral corneal thickness values and anterior segment optic coherence tomography (AS-OCT) for obtaining central corneal epithelial thickness...
May 15, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29771886/-effects-of-artificial-tears-on-ocular-surface-in-glaucomatous-patients-with-long-term-instillation-of-preserved-antiglaucoma-eye-drops
#3
N V Makashova, A E Vasilieva, O Yu Kolosova
PURPOSE: To study the effects of long-term instillation of 0.18% sodium hyaluronate artificial tears VISMED multi on ocular surface in glaucomatous patients with long-term instillation of preserved anti-glaucoma drops. MATERIAL AND METHODS: The study included 79 patients (40 female and 39 male; 79 eyes in total) with primary open-angle glaucoma (POAG) divided into 3 groups according to disease stage: mild or early (stage I) glaucoma - 15 patients (15 eyes), moderate (stage II) glaucoma - 30 patients (30 eyes), advanced or severe (stage III) glaucoma - 34 patients (34 eyes)...
2018: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/29755817/comparison-of-electrocoagulation-and-conventional-medical-drops-for-treatment-of-conjunctivochalasis-short-term-results
#4
Mehtap Çağlayan, Pınar Kösekahya, Canan Gürdal, Özge Saraç
Objectives: To compare the effectiveness of electrocoagulation and conventional medical drops for treatment of conjunctivochalasis using anterior segment-optical coherence tomography (AS-OCT). Materials and Methods: Forty eyes of 20 patients with bilateral conjunctivochalasis were included in this prospective study. Twenty eyes of 10 patients were assigned to Group 1 and underwent electrocoagulation. The other 20 eyes of 10 patients were assigned to Group 2 and received conventional medical treatment consisting of non-steroidal antiinflammatory drop (topical 0...
April 2018: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29752124/fabrication-of-hyaluronidase-responsive-biocompatible-multilayers-on-bmp2-loaded-titanium-nanotube-for-the-bacterial-infection-prevention
#5
Linawati Sutrisno, Yan Hu, Xinkun Shen, Menghuan Li, Zhong Luo, Liangliang Dai, Sixiang Wang, Julia Li Zhong, Kaiyong Cai
Infection associated with orthopedic implants is the chief cause of implant failure. An important consideration to prevent the infection at implants is to inhibit the biofilm formation for the initial 6 h. Therefore, we fabricated hyaluronidase-sensitive multilayers of chitosan (Chi)/sodium hyaluronate-lauric acid (SL) onto the surface of bone morphogenetic protein 2 (BMP2) loaded titanium nanotube (TNT) via spin-assisted layer-by-layer technique. The results of both Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (1 H NMR) confirmed the successful synthesis of SL...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29723596/combination-of-urea-crosslinked-hyaluronic-acid-and-sodium-ascorbyl-phosphate-for-the-treatment-of-inflammatory-lung-diseases-an-in-vitro-study
#6
Arianna Fallacara, Laura Busato, Michele Pozzoli, Maliheh Ghadiri, Hui Xin Ong, Paul M Young, Stefano Manfredini, Daniela Traini
This in vitro study evaluated, for the first time, the safety and the biological activity of a novel urea-crosslinked hyaluronic acid component and sodium ascorbyl phosphate (HA-CL - SAP), singularly and/or in combination, intended for the treatment of inflammatory lung diseases. The aim was to understand if the combination HA-CL - SAP had an enhanced activity with respect to the combination native hyaluronic acid (HA) - SAP and the single SAP, HA and HA-CL components. Sample solutions displayed pH, osmolality and viscosity values suitable for lung delivery, and showed to be not toxic on epithelial Calu-3 cells at the concentration used in this study...
April 30, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29722966/sodium-hyaluronate-chitosan-composite-microneedles-as-a-single-dose-intradermal-immunization-system
#7
Yu-Hsiu Chiu, Mei-Chin Chen, Shu-Wen Wan
Enhancing the immune response to vaccines and minimizing the need for repeated inoculations remain a challenge in clinical vaccination. This study developed a composite microneedle (MN), composed of a sodium hyaluronate (HA) tip and a chitosan base, for biphasic antigen release and evaluated the potential of using this MN formulation as an intradermal delivery system for single-dose vaccination. Upon skin insertion, the dissolvable HA tip dissolved within the skin for rapid release of the encapsulated antigens, thus priming the immune system, while the biodegradable chitosan base remained in the dermis for prolonged antigen release for 4 weeks, thus further boosting the stimulated immunity...
May 3, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29701045/-effects-of-subcutaneous-embedding-of-thumb-tack-needle-on-tear-film-in-patients-with-dry-eye
#8
Hongjie Ma, Lei Feng, Jialiang Wang, Zhimin Yang
OBJECTIVE: To observe the effects of subcutaneous embedding of thumb-tack needle combined with mytear and simple mytear on tear film in patients with dry eye. METHODS: Eighty patients of dry eye (160 eyes) were randomly divided into an observation group and a control group, 40 cases in each group. The 0.1% sodium hyaluronate eye drop (alice) was applied in the control group, four times per day for two weeks. On the basis of the control group, the subcutaneous embedding of thumb-tack needle was used at ① Cuanzhu (BL 2), Sizhukong (SJ 23), Sibai (ST 2), ② Yintang (EX-HN 3), Yuyao (EX-HN 4), Taiyang (EX-HN 5)...
March 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29699948/immediate-effect-of-a-tear-enhancer-and-meibomian-gland-expression-on-the-corneal-surface-and-whole-eye-higher-order-aberrations
#9
Giancarlo Montani, Paul J Murphy, Sudi Patel
PURPOSE: To investigate changes in higher order ocular aberrations (HOA) induced by the administration of 0.15% sodium hyaluronate tear enhancer (TE) and meibomian gland expression (ME) on the tear film of normal subjects. METHODS: HOA values were obtained from the corneal surface (CS) and whole eye (WE), using a corneal topographer and Shack-Hartmann aberrometer, from both eyes of 50 subjects (25 females, mean age±sd 32.5±11.0 years, and 25 males, 33.88±11.2 years) for two pupil sizes (3 and 6mm) in a dark environment...
April 23, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29680845/a-comparison-of-the-effects-of-methylprednisolone-acetate-sodium-hyaluronate-and-tenoxicam-in-the-treatment-of-non-reducing-disc-displacement-of-the-temporomandibular-joint
#10
G-Y Yapici-Yavuz, G Simsek-Kaya, H Ogul
BACKGROUND: This clinical study aimed to radiologically and clinically compare the effect of intra-articular injection of methylprednisolone, sodium hyaluronate or tenoxicam following arthrocentesis with that of arthrocentesis alone in patients with non-reducing disc displacement. MATERIAL AND METHODS: A total of 44 patients radiographically diagnosed with non-reducing disc displacement of the temporomandibular joint (TMJ) were randomly divided into four treatment groups, as follows: Group 1, arthrocentesis alone; Group 2, arthrocentesis plus methylprednisolone acetate; Group 3, arthrocentesis plus sodium hyaluronate; Group 4, arthrocentesis plus tenoxicam...
April 22, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29675376/clinical-efficacy-of-combined-topical-0-05-cyclosporine-a-and-0-1-sodium-hyaluronate-in-the-dry-eyes-with-meibomian-gland-dysfunction
#11
Ho-Yun Kim, Ji-Eun Lee, Ha-Na Oh, Ju-Whan Song, Sang-Youp Han, Jong-Soo Lee
AIM: To investigate the efficacy of combined topical 0.05% cyclosporine A (CsA; Restasis® , Allergan pharmaceuticals, USA) and 0.1% sodium hyaluronate treatment in dry eyes with meibomian gland dysfunction (MGD). METHODS: In a retrospective analysis, 53 patients (106 eyes) with MGD were enrolled and performed lid warm massage for 10min daily and be instilled preservative free sodium hyaluronate 0.1% eye drops 4 times daily. Patients were divided into subjects treated with topical 0...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29615397/deep-anterior-lamellar-keratoplasty-dissection-plane-with-viscoelastic-and-air-can-be-different
#12
Andrew R Ross, Dalia G Said, Abdalla El-Amin, Saif Altaan, Javier Cabrerizo, Mario Nubile, Emily Hogan, Leonardo Mastropasqua, Harminder Singh Dua
AIMS: To investigate and define the nature of big bubbles (BB) formed by injection of viscoelastic in deep anterior lamellar keratoplasty. METHODS: Intrastromal injections of 0.1 and 0.3 mL of sodium hyaluronate 1.2% and 0.6% were made into sclera-corneal discs (n = 32) at superficial (anterior-third), midstromal (middle-third) and deep (posterior-third) levels to simulate deep anterior lamellar keratoplasty. Postinjection optical coherence tomograms (OCT) were obtained with the needle in situ...
April 3, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29611370/influence-of-sodium-hyaluronate-concentration-on-corneal-aberration-in-soft-contact-lens-wearers
#13
Jong Soo Lee, Jong Moon Park, Hyun Kyung Cho, Su Jin Kim, Hyoun Do Huh, Young Min Park
PURPOSE: This study aimed to evaluate the influence of varying concentrations of sodium hyaluronate (SH) eye drops on corneal aberrations in normal individuals wearing silicone hydrogel contact lenses. METHODS: Normal individuals wearing silicone hydrogel contact lenses were enrolled in this study. Subjects were classified into two groups depending on the concentration of the preservative-free SH used (group 1, 0.1% SH; group 2, 0.3% SH). All subjects were asked to blink five times after instillation of the SH eye drop and before the Galilei measurements...
March 13, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29604368/osmolality-predictive-models-of-different-polymers-as-tools-in-parenteral-and-ophthalmic-formulation-development
#14
Diana Arbelaez Camargo, Manel Roig Carreras, Encarna García Montoya, Pilar Pérez Lozano, Montserrat Miñarro Carmona, Josep Ramon Ticó Grau, Josep Maria Suñé Negre
During the development of parenteral dosage forms, different physicochemical studies are required to ensure stable, effective and safe formulations. The osmolality of this kind of dosage form should bear a close similarity to the body fluids to prevent local irritation, pain or even more significant side effects like endothelial damage. The osmotic studies performed in Polyethylene glycol 400 (PEG 400), Polyethylene glycol 4000 (PEG 4000), Poloxamer 407 (P407), Sodium Hyaluronate (SH), Chondroitin Sulphate Sodium (CS), Cremophor RH 40 (CRE40) and Polyvinyl alcohol (PVA) aqueous solutions, showed that the theoretical determination of the osmolality based on their molecular weight as the only determinant factor did not agree with the values obtained by the measurement of colligative properties such as the freezing point depression...
March 28, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29600171/low-concentration-of-sodium-hyaluronate-temporarily-elevates-the-tear-film-lipid-layer-thickness-in-dry-eye-patients-with-lipid-deficiency
#15
Yan Li, Xuan Sang, Liu Yang, Xiao-Ran Wang, Jia-Hui Liu, Xiong-Jun He, Ying Liu, Xiao-He Lu, Zhi-Chong Wang
AIM: To investigate the effects of different concentrations of artificial tears on lipid layer thickness (LLT) and blink rate (BR) in dry eye patients. METHODS: This study included 106 eyes of 58 patients with dry eye. The lipid deficiency type was defined as the LLT baseline <75 nm. The LLT and BR were measured at baseline and 1, 5 and 15min after the instillation of 0.1% or 0.3% sodium hyaluronate (SH) eye drops by using the LipiView ocular surface interferometer...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29593958/3d-bioprinted-osteoblast-laden-nanocomposite-hydrogel-constructs-with-induced-microenvironments-promote-cell-viability-differentiation-and-osteogenesis-both-in-vitro-and-in-vivo
#16
Xinyun Zhai, Changshun Ruan, Yufei Ma, Delin Cheng, Mingming Wu, Wenguang Liu, Xiaoli Zhao, Haobo Pan, William Weijia Lu
An osteoblast-laden nanocomposite hydrogel construct, based on polyethylene glycol diacrylate (PEGDA)/laponite XLG nanoclay ([Mg5.34 Li0.66 Si8 O20 (OH)4 ]Na0.66, clay )/hyaluronic acid sodium salt (HA) bio-inks, is developed by a two-channel 3D bioprinting method. The novel biodegradable bio-ink A, comprised of a poly(ethylene glycol) (PEG)-clay nanocomposite crosslinked hydrogel, is used to facilitate 3D-bioprinting and enables the efficient delivery of oxygen and nutrients to growing cells. HA with encapsulated primary rat osteoblasts (ROBs) is applied as bio-ink B with a view to improving cell viability, distribution uniformity, and deposition efficiency...
March 2018: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/29554416/hyaluronic-acid-chitosan-coacervate-based-scaffolds
#17
Ozge Karabiyik Acar, A Basak Kayitmazer, Gamze Torun Kose
Chitosan-chloride (CHI) and sodium hyaluronate (HA), two semiflexible biopolymers, self-assemble to form nonstoichiometric coacervates. The effect of counterions was briefly investigated by preparing HA/CHI coacervates in either CaCl2 or NaCl solutions to find only a small difference in their tendency to coacervate. Higher water content in coacervates within CaCl2 was attributed to the chaotropic nature of Ca2+ ions. This effect was also evidenced with smaller pore sizes for coacervates in NaCl. Besides, for coacervation of chitosan-glutamate (CHI-G) with HA, dynamic light scattering at different charge ratios indicated a wider coacervation region for the HA/CHI-G pair than the HA/CHI...
March 28, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29538236/excess-sodium-is-deleterious-on-endothelial-and-glycocalyx-barrier-function-a-microfluidic-study
#18
Jonathan V Martin, David M Liberati, Lawrence N Diebel
BACKGROUND: Hypernatremia is a common problem affecting critically ill patients, whether due to underlying pathology or the subsequent result of hypertonic fluid resuscitation. Numerous studies have been published suggesting that hypernatremia may adversely affect the vascular endothelial glycocalyx. Our study aimed to evaluate if high sodium concentration would impair the endothelial and glycocalyx barrier function and if stress conditions that simulate the shock microenvironment would exacerbate any observed adverse effects of hypernatremia...
March 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29519424/3d-printed-membrane-for-guided-tissue-regeneration
#19
Lobat Tayebi, Morteza Rasoulianboroujeni, Keyvan Moharamzadeh, Thafar K D Almela, Zhanfeng Cui, Hua Ye
Three-dimensional (3D) printing is currently being intensely studied for a diverse set of applications, including the development of bioengineered tissues, as well as the production of functional biomedical materials and devices for dental and orthopedic applications. The aim of this study was to develop and characterize a 3D-printed hybrid construct that can be potentially suitable for guided tissue regeneration (GTR). For this purpose, the rheology analyses have been performed on different bioinks and a specific solution comprising 8% gelatin, 2% elastin and 0...
March 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29504338/efficacy-of-a-single-injection-sodium-hyaluronate-treatment-in-lateral-epicondylitis
#20
Inam Ullah Khan, Abdus Saboor Awan, Aimal Sattar Khan, Imran Marwat, Muhammad Meraj
BACKGROUND: Lateral epicondylitis or tennis elbow is a disease of tendons arising from common extensor origin at the lateral epicondyle of elbow and is commonly characterized by pain on supination of forearms as well as extension of fingers and wrists. METHODS: This descriptive case series aims to determine the efficacy of a single-injection sodium hyaluronate treatment for lateral epicondylitis. The study was conducted at the Department of Orthopaedics. Ayub Teaching Hospital Abbottabad...
January 2018: Journal of Ayub Medical College, Abbottabad: JAMC
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