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https://www.readbyqxmd.com/read/28643276/a-rapid-two-step-iduronate-2-sulfatatse-enzymatic-activity-assay-for-mpsii-pharmacokinetic-assessment
#1
Mitra Azadeh, Luying Pan, Yongchang Qiu, Ruben Boado
Clinical studies involving enzyme replacement therapies (ERTs) have increasingly utilized enzymatic activity assays to monitor efficacy and biofunction of the drug; as a result, these assays have become an important part of pharmacokinetic (PK) and pharmacodynamic assessments in ERT trials. This paper presents a two-step enzymatic activity assay for iduronate-2-sulfatase (I2S) (EC 3.1.6.13) which we have optimized to fit in 1 day and to complete in less than 6 h. The rapid assay presented here is a significant improvement over the original two-step method with run time of 24 h which spanned 2 days...
June 23, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28639551/facet-joint-injections-for-people-with-persistent-non-specific-low-back-pain-facet-injection-study-a-feasibility-study-for-a-randomised-controlled-trial
#2
David R Ellard, Martin Underwood, Felix Achana, James Hl Antrobus, Shyam Balasubramanian, Sally Brown, Melinda Cairns, James Griffin, Frances Griffiths, Kirstie Haywood, Charles Hutchinson, Ranjit Lall, Stavros Petrou, Nigel Stallard, Colin Tysall, David A Walsh, Harbinder Sandhu
BACKGROUND: The National Institute for Health and Care Excellence (NICE) 2009 guidelines for persistent low back pain (LBP) do not recommend the injection of therapeutic substances into the back as a treatment for LBP because of the absence of evidence for their effectiveness. This feasibility study aimed to provide a stable platform that could be used to evaluate a randomised controlled trial (RCT) on the clinical effectiveness and cost-effectiveness of intra-articular facet joint injections (FJIs) when added to normal care...
May 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28630733/return-to-running-after-arthroscopic-hip-surgery-literature-review-and-proposal-of-a-physical-therapy-protocol
#3
REVIEW
Matthew J Kraeutler, Joy Anderson, Jorge Chahla, Justin J Mitchell, Robyn Thompson-Etzel, Omer Mei-Dan, Cecilia Pascual-Garrido
The number of hip arthroscopy procedures has significantly increased in the last several years, thereby necessitating individualized rehabilitation protocols for patients following hip arthroscopy. The purpose of this article is to review the literature on rehabilitation protocols for patients following hip arthroscopy and to describe a new protocol specifically designed for patients to return to running following hip arthroscopy. A search of PubMed was performed through October 2016 to locate studies of rehabilitation protocols for patients wishing to return to sport/general activity following hip arthroscopy...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28630722/hip-arthroscopy-protocol-expert-opinions-on-post-operative-weight-bearing-and-return-to-sports-guidelines
#4
Ehud Rath, Zachary T Sharfman, Matan Paret, Eyal Amar, Michael Drexler, Nicolas Bonin
The objectives of this study are to survey the weight-bearing limitation practices and delay for returning to running and impact sports of high volume hip arthroscopy orthopedic surgeons. The study was designed in the form of expert survey questionnaire. Evidence-based data are scares regarding hip arthroscopy post-operative weight-bearing protocols. An international cross-sectional anonymous Internet survey of 26 high-volume hip arthroscopy specialized surgeons was conducted to report their weight-bearing limitations and rehabilitation protocols after various arthroscopic hip procedures...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28624482/nmr-quantification-of-trimethylamine-n-oxide-in-human-serum-and-plasma-in-the-clinical-laboratory-setting
#5
Erwin Garcia, Justyna Wolak-Dinsmore, Zeneng Wang, Xinmin S Li, Dennis W Bennett, Margery A Connelly, James D Otvos, Stanley L Hazen, Elias J Jeyarajah
BACKGROUND AND OBJECTIVES: Trimethylamine-N-oxide (TMAO) produced by gut microbiota metabolism of dietary choline and carnitine has been shown to be associated with increased risk of cardiovascular disease (CVD) and to provide incremental clinical prognostic utility beyond traditional risk factors for assessing a patient's CVD risk. The aim of this study was to develop an automated nuclear magnetic resonance (NMR) spectroscopy assay for quantification of TMAO concentration in serum and plasma using a high-throughput NMR clinical analyzer...
June 14, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28619458/development-and-validation-of-an-hplc-fluorescence-method-for-the-quantification-of-ir780-oleyl-dye-in-lipid-nanoparticles
#6
Mathieu Varache, Marie Escudé, Corentin Laffont, Emilie Rustique, Anne-Claude Couffin
A reversed-phase (RP) high-performance liquid chromatography (HPLC) method for the content determination of IR780-oleyl (IRO) dye in lipid nanoparticles was developed and validated. Chromatographic separation was performed on a RP C18 column with a gradient program of water and acetonitrile both with 0.1% (v/v) TFA, at a flow rate of 1.0mL/min and a total run of 21min. IRO dye detection was made by fluorescence at emission wavelength of 773nm (excitation wavelength: 744nm). According to ICH guidelines, the developed method was shown to be specific, linear in the range 3-8μg/mL (R(2)=0...
June 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28616291/intensive-blood-pressure-control-in-patients-with-acute-type-b-aortic-dissection-raid-study-protocol-for-randomized-controlled-trial
#7
REVIEW
Jian-Cang Zhou, Nan Zhang, Zhong-Heng Zhang, Ting-Ting Wang, Yue-Feng Zhu, Hui Kang, Wei-Min Zhang, Dong-Lin Li, Wei-Dong Li, Zhen-Jie Liu, Xi-Min Qian, Ming-You Zhang, Jue Wang, Mi Zhou, Zhi-Tao Yang, Yun-Xian Yu, Hang-Yang Li, Jian Zhang, Yong-Gang Wang, Jian-Ping Gao, Lin Ling, Kong-Han Pan
BACKGROUND: Blood pressure control is an essential therapy for patients with acute type B aortic dissection (ABAD) and should be maintained throughout the entire treatment. Thus, vast majority current guidelines recommend control the blood pressure to lower than 140/90 mmHg. Theoretically, a much lower target may further decrease the risk of propagation of dissection. However, some argued that too lower blood pressure would compromise the organ perfusion. Thus, there is no unanimous optimal target for blood pressure in patients with ABAD so far...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28615149/cardiovascular-and-metabolic-effects-of-metformin-in-patients-with-type-1-diabetes-removal-a-double-blind-randomised-placebo-controlled-trial
#8
John R Petrie, Nishi Chaturvedi, Ian Ford, Martijn C G J Brouwers, Nicola Greenlaw, Therese Tillin, Irene Hramiak, Alun D Hughes, Alicia J Jenkins, Barbara E K Klein, Ronald Klein, Teik C Ooi, Peter Rossing, Coen D A Stehouwer, Naveed Sattar, Helen M Colhoun
BACKGROUND: Metformin might reduce insulin requirement and improve glycaemia in patients with type 1 diabetes, but whether it has cardiovascular benefits is unknown. We aimed to investigate whether metformin treatment (added to titrated insulin therapy) reduced atherosclerosis, as measured by progression of common carotid artery intima-media thickness (cIMT), in adults with type 1 diabetes at increased risk for cardiovascular disease. METHODS: REMOVAL was a double-blind, placebo-controlled trial undertaken at 23 hospital diabetes clinics in five countries (Australia, Canada, Denmark, the Netherlands, and the UK)...
June 9, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28606277/-study-and-analysis-of-national-current-status-and-problems-of-anticoagulant-proteins-assay
#9
X L Liu, W B Zhou, C B Li, H R Hu, M T Peng
Objective: To investigate current status and problems of anticoagulant proteins assay in domestic laboratories so as to provide suggestions for implementing the standardization and quality improvement. Methods: Two hundred and seventy-four laboratories those had developed or prepared to do anticoagulant proteins assay were selected from one thousand and five hundred participants in the national coagulation screening External Quality Assessment(EQA) program by an internet survey and then a questionnaire and quality control materials were sent to them to carry out a further survey...
June 13, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28603123/determination-of-nitrate-in-biological-fluids-by-hplc
#10
Muhammad Ashraf, Bilal Ahmed Ghalloo, Muhammad Munawar Hayat, Jameel Rahman, Samina Ejaz, Muhammad Iqbal, Faizul Hassan -Nasim
Nitrate is the stable product of nitric oxide, which is physiologically active radical, an immunomodulator and a neuromodulator; its quantification in biological fluids is important to study the physiological and biochemical nature. Therefore, the purpose of this study was to quantify nitrate in different biological fluids like serum, cerebrospinal fluid (CSF) and ascetic fluid (ASF) using HPLC technique. A new HPLC method for the estimation of nitrate in serum, CSF and ASF was developed using the mobile phase of 1...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28602272/prevention-of-friction-blisters-in-outdoor-pursuits-a-systematic-review
#11
REVIEW
Robert M Worthing, Raechel L Percy, Jeremy D Joslin
The purpose of this systematic review was to determine if sock, antiperspirant, or barrier strategies were effective in prevention of friction blisters in wilderness and outdoor pursuits. A search of PubMed and EMBASE was conducted. Title, abstract, and full text articles were screened by 2 authors using predetermined inclusion and exclusion criteria to identify prospective controlled trials investigating prevention methods for friction blisters involving the foot. Only blisters associated with wilderness and outdoor pursuits (running, hiking, marching, etc...
June 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28599491/multimodal-treatment-of-kasabach-merritt-syndrome-arising-from-tufted-angioma-a-case-report
#12
Run-Song Jiang, Zheng-Yan Zhao
Kasabach-Merritt syndrome (KMS) is a rare type of vascular tumor associated with a severely decreased platelet count. No standard guidelines for the treatment of the disease have been established so far. In the present study, a 1-year-old pediatric patient with KMS arising from tufted angioma was successfully and variously treated with steroids, vincristine, surgery and propranolol for 18 months. Systemic steroids stabilized the platelet count stable, while vincristine reduced the size of the tumor. Due to unpredictable response, the patient was operated...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28598132/-effect-of-sleep-in-early-pregnancy-on-gestational-diabetes-a-prospective-study
#13
Feng-Ming Zhou, Liu-Qing Yang, Rong-Ping Zhao, Dan Liu, Run Li, Yue Wang, Zheng-Yan Dai, Jing Liu, Ju Zhang, Rong Zhou, Guo Zeng
OBJECTIVES: To investigate the influence of sleep status in early pregnant women on the occurrence of gestational diabetes mellitus (GDM). METHODS: In this prospective study,542 pregnant women in early pregnancy were selected as subjects.The sleep time,insomnia,pre-gestational body mass and basic information of the subjects were collected by the trained investigators through questionnaire.At the 24(th) to 28(th) pregnant week,the body mass of each subject was measured and oral glucose tolerance test (OGTT) was conducted...
November 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28586281/opioid-vs-nonopioid-prescribers-variations-in-care-for-a-standardized-acute-back-pain-case
#14
Kathleen Hanley, Sondra Zabar, Lisa Altshuler, Hillary Lee, Jasmine Ross, Nicomedes Rivera, Christian Marvilli, Colleen Gillespie
BACKGROUND: Opioid analgesics are effective and appropriate therapy for many types of acute pain. Epidemiologic evidence supports a direct relationship between increased opioid prescribing and increases in opioid use disorders and overdoses. OBJECTIVE: To tailor our residency curriculum, we designed and fielded an unannounced standardized patient (USP) case involving a patient with acute back pain who is requesting Vicodin (5/325 mg). We describe residents' case management and examine whether their management decisions, including opioid prescribing, were related to their core clinical skills...
June 6, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28577470/ankle-foot-orthosis-bending-axis-influences-running-mechanics
#15
Elizabeth Russell Esposito, Ellyn C Ranz, Kelly A Schmidtbauer, Richard R Neptune, Jason M Wilken
Passive-dynamic ankle-foot orthoses (AFOs) are commonly prescribed to improve locomotion for people with lower limb musculoskeletal weakness. The clinical prescription and design process are typically qualitative and based on observational assessment and experience. Prior work examining the effect of AFO design characteristics generally excludes higher impact activities such as running, providing clinicians and researchers limited information to guide the development of objective prescription guidelines. The proximal location of the bending axis may directly influence energy storage and return and resulting running mechanics...
July 2017: Gait & Posture
https://www.readbyqxmd.com/read/28561238/sensitive-lc-ms-ms-method-for-the-simultaneous-determination-of-bendamustine-and-its-active-metabolite-%C3%AE-hydroxybendamustine-in-small-volume-mice-and-dog-plasma-and-its-application-to-a-pharmacokinetic-study-in-mice-and-dogs
#16
Devaraj V Chandrashekar, Ponnayyan S Suresh, Rajnish Kumar, Ravi Kanth Bhamidipati, Ramesh Mullangi, Wolfgang Richter, Nuggehally R Srinivas
A highly sensitive, specific and rapid LC-ESI-MS/MS method has been developed and validated for the simultaneous quantification of bendamustine (BM) and γ-hydroxybendamustine (HBM) in small volume (20 µL) mice and dog plasma using phenacetin as an internal standard (IS) as per regulatory guidelines. Both the analytes and IS were extracted from mice and dog plasma using a liquid-liquid extraction method. Chromatography was achieved on Atlantis dC18 column using an isocratic mobile phase (0.2% formic acid:acetonitrile, 25:75) at a flow rate of 0...
May 30, 2017: Drug Research
https://www.readbyqxmd.com/read/28544884/a-validated-uhplc-qtof-ms-method-for-quantification-of-metformin-and-teneligliptin-in-rat-plasma-application-to-pharmacokinetic-interaction-study
#17
David Paul, Lingesh Allakonda, Nanjappan Satheeshkumar
In this study a sensitive UHPLC-QTOF-MS method was developed and validated for the quantitation of the metformin (MET) and teneligliptin (TEN) in rat plasma using dapagliflozin as an internal standard (IS). Chromatographic separation were carried out on a Acquity UPLC HSS Cyano column (100mm x 2.1mm, 1.8μm) using gradient mobile phase system consisting of 0.1% formic acid and acetonitrile at a flow rate of 0.4mL/min, within a run time of 6min. Protein precipitation method was used as sample preparation approach...
May 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28535452/highly-sensitive-uhplc-ms-ms-method-for-the-simultaneous-estimation-of-propafenone-and-its-metabolites-5-hydroxypropafenone-and-n-depropylpropafenone-on-human-dried-blood-spots-technique-and-application-to-a-pharmacokinetic-study
#18
Adinarayana Andy, Raja Reddy Kallem, Ramesh Mullangi, Divya Andy, J V L N Seshagiri Rao
A highly sensitive, rapid and selective UHPLC-MS/MS method has been developed and validated for quantification of the propafenone (PF), 5-hydroxypropafenone (5-OHPF) and N-depropylpropafenone (N-DPF) on human dried blood spot (DBS). The assay procedure involves a solid-liquid extraction of PF, 5-OHPF and N-DPF and amlodipine (internal standard, I.S.) from dried human DBS cards using water and acetonitrile. The chromatographic resolution was achieved on a BEH C18 column using a gradient mobile phase consisting of 0...
May 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28532608/assessment-of-the-novel-online-delineation-workshop-dummy-run-approach-using-falcon-within-a-european-multicentre-trial-in-cervical-cancer-raids
#19
Eleonor Rivin Del Campo, Sofia Rivera, María Martínez-Paredes, Philippe Hupé, Andrea Slocker Escarpa, Isabelle Borget, Renaud Mazeron, Suzy Scholl, Amalia Palacios Eito, Christine Haie-Meder, Cyrus Chargari, Eric Deutsch
BACKGROUND AND PURPOSE: Online delineation workshops (ODW) permit training of geographically dispersed participants. The purpose is to evaluate the methodology of an ODW using FALCON to harmonize delineation within a European multicentre trial on locally advanced cervical cancer (LACC). MATERIAL AND METHODS: Two ODW included 46 clinicians (14 centres). Clinicians completed baseline (C1), guideline (C2) and final contours (C3) for external beam radiotherapy (EBRT) and brachytherapy (BT) for LACC...
May 19, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28524327/evaluation-of-a-multi-methods-approach-to-the-collection-and-dissemination-of-feedback-on-osce-performance-in-dental-education
#20
M J Wardman, V C Yorke, J L Hallam
INTRODUCTION: Feedback is an essential part of the learning process, and students expect their feedback to be personalised, meaningful and timely. Objective Structured Clinical Examination (OSCE) assessments allow examiners to observe students carefully over the course of a number of varied station types, across a number of clinical knowledge and skill domains. They therefore present an ideal opportunity to record detailed feedback which allows students to reflect on and improve their performance...
May 19, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
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