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https://www.readbyqxmd.com/read/29104056/taste-evaluation-of-a-novel-midazolam-tablet-for-pediatric-patients-in-vitro-drug-dissolution-in-vivo-animal-taste-aversion-and-clinical-taste-perception-profiles
#1
Laurence C Cheung, Minh Nguyen, Edith Tang, Britta S von Ungern Sternberg, Sam Salman, Catherine Tuleu, Abeer H A Mohamed Ahmed, Jessica Soto, Lee Yong Lim
Harmonized methodologies are urgently required for the taste evaluation of novel pediatric medicines. This study utilized in vitro, in vivo and clinical data to evaluate the palatability of a novel midazolam chocolate tablet. In vitro dissolution experiments showed the crushed tablet to release within 5 min 1.68 mg of midazolam into simulated saliva. This translated to a drug level of 0.84 mg/ml in the oral cavity, which would be higher than the midazolam bitterness detection threshold concentration of 0...
November 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29091874/aqueous-extract-of-codium-fragile-alleviates-osteoarthritis-through-the-mapk-nf-%C3%AE%C2%BAb-pathways-in-il-1%C3%AE-induced-rat-primary-chondrocytes-and-a-rat-osteoarthritis-model
#2
Sung-Min Moon, Seul Ah Lee, Seul Hee Han, Bo-Ram Park, Mi Suk Choi, Jae-Sung Kim, Su-Gwan Kim, Heung-Joong Kim, Hong Sung Chun, Do Kyung Kim, Chun Sung Kim
BACKGROUND: Codium fragile (Suringar) Hariot has been used as a potential remedy in traditional medicine because of its anti-inflammatory and anti-oxidant effects. Osteoarthritis is a chronic progressive joint disease, characterized by complex mechanisms related to inflammation and degeneration of articular cartilage. In this study, we aimed to evaluate the cartilage protective effect of an aqueous extract of Codium fragile (AECF) using rat primary chondrocytes and the osteoarthritis animal model induced by destabilization of the medial meniscus (DMM)...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29079364/assessment-of-metal-sensitizer-potency-with-the-reconstructed-human-epidermis-il-18-assay
#3
Susan Gibbs, Ilona Kosten, Rosalien Veldhuizen, Sander Spiekstra, Emanuela Corsini, Erwin Roggen, Thomas Rustemeyer, Albert J Feilzer, Cees J Kleverlaan
According to the new EU Medical Devices (MDR) legislation coming into effect in 2017, manufactures will have to comply with higher standards of quality and safety for medical devices in order to meet common safety concerns regarding such products. Metal alloys are extensively used in dentistry and medicine (e.g. orthopedic surgery and cardiology) even though clinical experience suggests that many metals are sensitizers. The aim of this study was to further test the applicability domain of the in vitro reconstructed human epidermis (RhE) IL-18 assay developed to identify contact allergens and in doing so: i) determine whether different metal salts, representing leachables from metal alloys used in medical devices, could be correctly labelled and classified; and ii) assess the ability of different salts for the same metal to penetrate the skin stratum corneum...
October 24, 2017: Toxicology
https://www.readbyqxmd.com/read/29034514/measurement-of-murine-single-kidney-glomerular-filtration-rate-using-dynamic-contrast-enhanced-mri
#4
Kai Jiang, Hui Tang, Prasanna K Mishra, Slobodan I Macura, Lilach O Lerman
PURPOSE: To develop and validate a method for measuring murine single-kidney glomerular filtration rate (GFR) using dynamic contrast-enhanced MRI (DCE-MRI). METHODS: This prospective study was approved by the Institutional Animal Care and Use Committee. A fast longitudinal relaxation time (T1 ) measurement method was implemented to capture gadolinium dynamics (1 s/scan), and a modified two-compartment model was developed to quantify GFR as well as renal perfusion using 16...
October 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28969320/isoflurane-exposure-for-three-hours-triggers-apoptotic-cell-death-in-neonatal-macaque-brain
#5
K K Noguchi, S A Johnson, G A Dissen, L D Martin, F M Manzella, K J Schenning, J W Olney, A M Brambrink
Background: Retrospective clinical studies suggest there is a risk for neurodevelopmental impairment following early childhood exposure to anaesthesia. In the developing animal brain, including those of non-human primates (NHPs), anaesthetics induce apoptotic cell death. We previously reported that a 5 h isoflurane (ISO) exposure in infant NHPs increases apoptosis 13-fold compared with control animals. However, the majority of paediatric surgeries requiring anaesthesia are of shorter durations...
September 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28957876/xiphoid-surface-temperature-predicts-mortality-in-a-murine-model-of-septic-shock
#6
Orlando Laitano, David Van Steenbergen, Alex J Mattingly, Christian K Garcia, Gerard P Robinson, Kevin O Murray, Thomas L Clanton, Elizabeth A Nunamaker
Sepsis continues to be a major challenge for modern medicine. Several preclinical models were developed to study sepsis and each has strengths and weaknesses. The cecal slurry (CS) method is a practical alternative because it does not require surgery, and the infection can be dosed. However, one disadvantage is that the dosage must be determined for each CS preparation using survival studies. Our aim was to refine a survival protocol for the CS model by determining a premonitory humane endpoint that would reduce animal suffering...
September 27, 2017: Shock
https://www.readbyqxmd.com/read/28951745/in-vivo-articular-cartilage-regeneration-using-human-dental-pulp-stem-cells-cultured-in-an-alginate-scaffold-a-preliminary-study
#7
Manuel Mata, Lara Milian, Maria Oliver, Javier Zurriaga, Maria Sancho-Tello, Jose Javier Martin de Llano, Carmen Carda
Osteoarthritis is an inflammatory disease in which all joint-related elements, articular cartilage in particular, are affected. The poor regeneration capacity of this tissue together with the lack of pharmacological treatment has led to the development of regenerative medicine methodologies including microfracture and autologous chondrocyte implantation (ACI). The effectiveness of ACI has been shown in vitro and in vivo, but the use of other cell types, including bone marrow and adipose-derived mesenchymal stem cells, is necessary because of the poor proliferation rate of isolated articular chondrocytes...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28913978/a-temperature-sensor-implant-for-active-implantable-medical-devices-for-in-vivo-subacute-heating-tests-under-mri
#8
Berk Silemek, Volkan Acikel, Cagdas Oto, Akbar Alipour, Zaliha Gamze Aykut, Oktay Algin, Ergin Atalar
PURPOSE: To introduce a temperature sensor implant (TSI) that mimics an active implantable medical device (AIMD) for animal testing of MRI heating. Computer simulations and phantom experiments poorly represent potential temperature increases. Animal experiments could be a better model, but heating experiments conducted immediately after the surgery suffer from alterations of the thermoregulatory and tissue properties during acute testing conditions. Therefore, the aim of this study was to introduce a temperature sensor implant that mimics an AIMD and capable of measuring the electrode temperature after implantation of the device without any further intervention at any time after the surgery in an animal model...
September 14, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28852439/crocin-has-anti-inflammatory-and-protective-effects-in-ischemia-reperfusion-induced-renal-injuries
#9
Zeynab Mohamadi Yarijani, Ali Pourmotabbed, Tayebeh Pourmotabbed, Houshang Najafi
OBJECTIVES: Crocus sativus (saffron) has been widely used in traditional medicine. It has also been found to possess many beneficial properties in modern medicine. The most important ingredients of saffron are crocin, crocetin, safranal, and picrocrocin. This study evaluated the protective effects of crocin against the inflammation, oxidative stress, and functional disturbances of the kidney induced by renal ischemia/reperfusion (I/R). MATERIALS AND METHODS: Different doses of crocin (0, 100, 200, and 400 mg/kg) were administered intraperitoneally 30 min before I/R...
July 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804568/preventive-effects-of-kudzu-root-on-bone-loss-and-cartilage-degradation-in-ovariectomized-rat
#10
Yunyun Luo, Shuang Zheng, Yujia Ding, Yueqin Dai, Yi Zhou, Ruifeng Xiang, Anne C Bay-Jensen, Morten A Karsdal, Per Qvist, Qinlong Zheng
The clinical utility of Traditional Chinese Medicine (TCM) herbs/roots extracts in osteoporosis (OP) and osteoarthritis (OA) has been described in multiple reports, but there have been few studies of TCM for preventing bone loss and cartilage degradation simultaneously. Six-month-old female Sprague-Dawley rats each were subjected to ovariectomized (OVX) or sham surgery and treated orally once daily with herbal extracts or vehicle. Body weight was recorded weekly, and blood samples were collected from fasting animals at different time points...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28725963/robot-assisted-surgery-for-mandibular-angle-split-osteotomy-using-augmented-reality-preliminary-results-on-clinical-animal-experiment
#11
Chaozheng Zhou, Ming Zhu, Yunyong Shi, Li Lin, Gang Chai, Yan Zhang, Le Xie
Mandibular angle split osteotomy (MASO) is a procedure widely used for prominent mandibular angles. However, conventional mandibular plastic surgery is invasive and high risk. It may induce postoperative neurosensory disturbance of the inferior alveolar nerve, fractures and infection due to the complexity of the anatomical structure and the narrow surgical field of view. The success rate of MASO surgery usually depends on the clinical experience and skills of the surgeon. To evaluate the performance of inexperienced plastic surgeons conducting this surgery, a self-developed and constructed robot system based on augmented reality is used...
July 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28616391/opioid-free-anaesthesia-in-three-dogs
#12
Donna M White, Alastair R Mair, Fernando Martinez-Taboada
Opioid-free anaesthesia (OFA) is a relatively new and growing field in human medicine. There are multiple motivations behind this emerging practice with the recognition of several serious potential opioid-related adverse effects including opioid induced hyperalgesia, opioid tolerance and immunomodulatory effects of opioids. Opioids have long been the mainstay of veterinary anaesthesia and pain management practice. The feasibility of OFA in veterinary patients is presented here. A case series of three dogs that underwent OFA for canine ovariohysterectomy is reported...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28559706/flap-surgical-techniques-for-incisional-hernia-recurrences-a-swine-experimental-model
#13
Florina Popa, Filip Ardelean, Cosmin Pestean, Robert Purdoiu, Oana Rosca, Alexandru Georgescu
BACKGROUND AND AIM: In the age of synthetic prostheses most of hernia studies include a careful examination of the various types of prosthesis, their characteristics and their repair indications. Biological prostheses are also beginning to draw attention. But in terms of recurrence especially for poor or developing countries, the discussion is different, due to their high cost which makes them difficult to afford. In this article we present new flap reconstruction techniques for the reconstruction of the abdominal wall versus mesh repair, applied on swine models, outline the results of each technique, and specify the indications for their use...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28556436/effect-of-recombinant-human-bone-morphogenic-protein-9-rhbmp9-loaded-onto-bone-grafts-versus-barrier-membranes-on-new-bone-formation-in-a-rabbit-calvarial-defect-model
#14
Masako Fujioka-Kobayashi, Eizaburo Kobayashi, Benoit Schaller, Matthias Mottini, Richard J Miron, Nikola Saulacic
Recent research has demonstrated that recombinant human bone morphogenetic protein 9 (rhBMP9) has been considered the most osteoinductive growth factor of the BMP-family. In the present study, rhBMP9 was investigated for its influence in combination with two biomaterials for bone regenerative medicine. Either porcine-derived collagen membrane (CM) or deproteinized bovine bone mineral (DBM) combined with 20 µg of rhBMP9 were implanted in 6 mm rabbit calvarial defects. Bone augmentation was evaluated by microCT and histomorphometry at 8 weeks post-surgery...
May 27, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28555952/students-opinions-on-welfare-and-ethics-issues-for-companion-animals-in-australian-and-new-zealand-veterinary-schools
#15
C Degeling, A Fawcett, T Collins, S Hazel, J Johnson, J Lloyd, Cjc Phillips, K Stafford, V Tzioumis, P McGreevy
OBJECTIVE: To determine what veterinary students in Australia and New Zealand consider important competences in companion animal welfare and ethics (AWE) required on their first day of practice, and to explore how their priorities relate to gender and stage of study. METHODS: Undergraduate students at all veterinary schools in Australia and New Zealand were sent an online survey. A subset of questions required participants to rank the importance of preselected AWE topics pertaining to companion animals...
June 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28547293/nonsurgical-facial-rejuvenation-outcomes-and-safety-of-neuromodulator-and-soft-tissue-filler-procedures-performed-in-a-resident-cosmetic-clinic
#16
Ali A Qureshi, Rajiv P Parikh, Ketan Sharma, Terence M Myckatyn, Marissa M Tenenbaum
BACKGROUND: The ability to perform nonsurgical facial rejuvenation procedures is a core competency requirement for plastic surgery residents. However, limited data exist on training models to achieve competency in nonsurgical facial rejuvenation and on outcomes of these procedures performed by residents. The purpose here is to evaluate patient-reported outcomes and safety of nonsurgical facial rejuvenation procedures performed by plastic surgery residents. METHODS: We prospectively enrolled 50 patients undergoing neuromodulator and/or soft-tissue filler injections in a resident cosmetic clinic between April and August 2016...
May 25, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28528758/comparison-of-arterial-blood-pressure-measurements-obtained-invasively-or-oscillometrically-using-a-datex-s-5-compact-monitor-in-anaesthetised-adult-horses
#17
Tyfane T Yamaoka, Derek Flaherty, Patricia Pawson, Marian Scott, Adam Auckburally
OBJECTIVE: To assess agreement between noninvasive blood pressure (NIBP) oscillometrically-derived values from a multiparameter monitor (Datex Ohmeda S/5 Compact) with those obtained by invasive blood pressure (IBP) measurement in anaesthetised horses undergoing elective surgery. STUDY DESIGN: Prospective clinical study. ANIMALS: A total of 40 healthy adult horses. METHODS: Horses were anaesthetised with various anaesthetic protocols (based on clinical requirements)...
May 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28512850/in-situ-handheld-3d-bioprinting-for-cartilage-regeneration
#18
Claudia Di Bella, Serena Duchi, Cathal D O'Connell, Romane Blanchard, Cheryl Augustine, Zhilian Yue, Fletcher Thompson, Christopher Richards, Stephen Beirne, Carmine Onofrillo, Sebastien H Bauquier, Stewart D Ryan, Peter Pivonka, Gordon G Wallace, Peter F Choong
Articular cartilage injuries experienced at an early age can lead to the development of osteoarthritis later in life. In situ 3D printing is an exciting and innovative bio-fabrication technology that enables the surgeon to deliver tissue- engineering techniques at the time and location of need. We have created a hand- held 3D printing device (Biopen) that allows the simultaneous co-axial extrusion of bioscaffold and cultured cells directly into the cartilage defect in vivo in a single session surgery. This pilot study assesses the ability of the Biopen to repair a full thickness chondral defect and the early outcomes in cartilage regeneration, and compares these results to other treatments in a large animal model...
May 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28480761/topical-treatment-of-glaucoma-established-and-emerging-pharmacology
#19
REVIEW
Mark S Dikopf, Thasarat S Vajaranant, Deepak P Edward
Glaucoma is a collection of optic neuropathies consisting of retinal ganglion cell death and corresponding visual field loss. Glaucoma is the leading cause of irreversible vision loss worldwide and is forecasted to precipitously increase in prevalence in the coming decades. Current treatment options aim to lower intraocular pressure (IOP) via topical or oral therapy, laser treatment to the trabecular meshwork or ciliary body, and incisional surgery. Despite increasing use of trabecular laser therapy, topical therapy remains first-line in the treatment of most forms of glaucoma...
June 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28414674/a-clot-possibly-due-to-loss-of-tnf-%C3%AE-supression
#20
J Broussard, M Berlinger, D Lauret
INTRODUCTION: Inflammation and venous thrombosis enjoy a close Relationship. We present a patient who had multiple DVTs following the discontinuation of anti- TNF-α therapy. CASE: A 34 year old African American female with a history of multiple DVT's, miscarriages, and reported Crohn's disease presented with shortness of breath. In the Emergency Department, CTA showed bilateral pulmonary emboli. The patient had been off adalimumab for one year and reported abdominal pain with 6-7 non-bloody bowel movements daily...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
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