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https://www.readbyqxmd.com/read/28088837/disease-severity-classification-using-quantitative-magnetic-resonance-imaging-data-of-cartilage-in-femoroacetabular-impingement
#1
Lisa L Henn, John Hughes, Eleena Iisakka, Jutta Ellermann, Shabnam Mortazavi, Connor Ziegler, Mikko J Nissi, Patrick Morgan
Femoroacetabular impingement (FAI) is a condition in which subtle deformities of the femoral head and acetabulum (hip socket) result in pathological abutment during hip motion. FAI is a common cause of hip pain and can lead to acetabular cartilage damage and osteoarthritis. For some patients with FAI, surgical intervention is indicated, and it can improve quality of life and potentially delay the onset of osteoarthritis. For other patients, however, surgery is contraindicated because significant cartilage damage has already occurred...
January 15, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28088662/metabolic-profiles-of-exudates-from-chronic-leg-ulcerations
#2
Adam Junka, Wojciech Wojtowicz, Adam Ząbek, Grzegorz Krasowski, Danuta Smutnicka, Barbara Bakalorz, Agnieszka Boruta, Mariusz Dziadas, Piotr Młynarz, Parish Paymon Sedghizadeh, Marzenna Bartoszewicz
Chronic leg ulceration is a disease usually associated with other comorbidities, and significantly reduces patient quality of life. Infected leg ulcers can lead to limb-threatening sequelae or mortality. Leg ulcerations are colonized by a number of microbes that are able to cause life-threating infections in susceptible patients. Wound exudate is a body fluid that collects metabolites from patient eukaryotic cells and from prokaryotic bacterial communities inhabiting the wound. This study aimed at identification of metabolites in exudates collected from chronic leg ulcers, and correlation of this metabolome with patient comorbidities and microbiological status of the wound...
January 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28088628/methods-needed-to-measure-predictive-accuracy-a-study-of-diabetic-patients
#3
Hafiz M R Khan, Sarah Mende, Aamrin Rafiq, Kemesha Gabbidon, P Hemachandra Reddy
Diabetes is one of the leading causes of morbidity and mortality and it can result in several complications such as kidney failure, heart failure, stroke, and blindness making it a major medical and public health concern in the United States. Statistical methods are important to detect risk factors and identify the best sampling plan to determine predictive bounds for diabetic patients' data. The main objective of this paper is to identify the best fit bootstrapping sampling method and to draw the predictive bound considering diabetes patient data...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088595/clinical-trial-registration-was-not-an-indicator-for-low-risk-of-bias
#4
Cynthia M Farquhar, Marian G Showell, Emily A E Showell, Penny Beetham, Nora Baak, Selma Mourad, Vanessa M B Jordan
BACKGROUND: It has been proposed that systematic review authors should only include registered clinical trials in an effort to improve the overall quality of the evidence summarized. PURPOSE: To determine the prevalence of registered trials and to evaluate the risk of bias between registered and unregistered clinical trials. DATA SOURCES: The Cochrane Gynaecology and Fertility Group's specialized register was searched on 5(th) November 2015 for randomized controlled trials (RCTs) published from 2010-2014...
January 11, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28088572/bcs-class-iv-drugs-highly-notorious-candidates-for-formulation-development
#5
REVIEW
Rohan Ghadi, Neha Dand
BCS class IV drugs (e.g., amphotericin B, furosemide, acetazolamide, ritonavir, paclitaxel) exhibit many characteristics that are problematic for effective oral and per oral delivery. Some of the problems associated include low aqueous solubility, poor permeability, erratic and poor absorption, inter and intra subject variability and significant positive food effect which leads to low and variable bioavailability. Also, most of the class IV drugs are substrate for P-glycoprotein (low permeability) and substrate for CYP3A4 (extensive pre systemic metabolism) which further potentiates the problem of poor therapeutic potential of these drugs...
January 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28088398/mindfulness-based-stress-reduction-for-adolescents-with-functional-somatic-syndromes-a-pilot-cohort-study
#6
Ather Ali, Theresa R Weiss, Anne Dutton, Douglas McKee, Kim D Jones, Susmita Kashikar-Zuck, Wendy K Silverman, Eugene D Shapiro
OBJECTIVE: To assess the feasibility of a mindfulness-based stress reduction (MBSR) program for adolescents with widespread chronic pain and other functional somatic symptoms and to make preliminary assessments of its clinical utility. STUDY DESIGN: Three cohorts of subjects completed an 8-week MBSR program. Child- and parent-completed measures were collected at baseline and 8 and 12 weeks later. Measures included the Functional Disability Inventory (FDI), the Fibromyalgia/Symptom Impact Questionnaire-Revised (FIQR/SIQR), the Pediatric Quality of Life Inventory, the Multidimensional Anxiety Scale (MASC2), and the Perceived Stress Scale...
January 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28088344/design-control-considerations-for-biologic-device-combination-products
#7
Dave Anderson, Roger Liu, J Anand Subramony, Jon Cammack
Combination products are therapeutic and diagnostic medical products that combine drugs, devices, and/or biological products with one another. Historically, biologics development involved identifying efficacious doses administered to patients intravenously or perhaps by a syringe. Until fairly recently, there has been limited focus on developing an accompanying medical device, such as a prefilled syringe or auto-injector, to enable easy and more efficient delivery. For the last several years, and looking forward, where there may be little to distinguish biologics medicines with relatively similar efficacy profiles, the biotechnology market is beginning to differentiate products by patient-focused, biologic-device based combination products...
January 11, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28088278/metabolomic-analysis-of-urine-samples-by-uhplc-qtof-ms-impact-of-normalization-strategies
#8
Yoric Gagnebin, David Tonoli, Pierre Lescuyer, Belen Ponte, Sophie de Seigneux, Pierre-Yves Martin, Julie Schappler, Julien Boccard, Serge Rudaz
Among the various biological matrices used in metabolomics, urine is a biofluid of major interest because of its non-invasive collection and its availability in large quantities. However, significant sources of variability in urine metabolomics based on UHPLC-MS are related to the analytical drift and variation of the sample concentration, thus requiring normalization. A sequential normalization strategy was developed to remove these detrimental effects, including: (i) pre-acquisition sample normalization by individual dilution factors to narrow the concentration range and to standardize the analytical conditions, (ii) post-acquisition data normalization by quality control-based robust LOESS signal correction (QC-RLSC) to correct for potential analytical drift, and (iii) post-acquisition data normalization by MS total useful signal (MSTUS) or probabilistic quotient normalization (PQN) to prevent the impact of concentration variability...
February 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28088237/association-between-diabetes-mellitus-and-multi-drug-resistant-tuberculosis-a-protocol-for-a-systematic-review-and-meta-analysis
#9
Balewgizie Sileshi Tegegne, Tesfa Dejenie Habtewold, Melkamu Merid Mengesha, Johannes G M Burgerhof
INTRODUCTION: Multi-drug-resistant tuberculosis (MDR-TB) has emerged as a challenge to global tuberculosis (TB) control and remains a major public health concern in many countries. Diabetes mellitus (DM) is an increasingly recognized comorbidity that can both accelerate TB disease and complicate its treatment. The aim of this study is to summarize available evidence on the association of DM and MDR-TB among TB patients and to provide a pooled estimate of risks. METHODS: All studies published in English before October 2016 will be searched using comprehensive search strings through PubMed, EMBASE, Web of Science, and WHO Global Health Library databases which have reported the association of DM and MDR-TB in adults with TB (age > =15)...
January 14, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28088231/efficacy-of-gabapentin-for-prevention-of-postherpetic-neuralgia-study-protocol-for-a-randomized-controlled-clinical-trial
#10
Manuel Rullán, Oana Bulilete, Alfonso Leiva, Aina Soler, Antonia Roca, María José González-Bals, Patricia Lorente, Joan Llobera
BACKGROUND: Postherpetic neuralgia (PHN) is a chronic neuropathic pain that results from alterations of the peripheral nervous system in areas affected by the herpes zoster virus. The symptoms include pain, paresthesia, dysesthesia, hyperalgesia, and allodynia. Despite the availability of pharmacological treatments to control these symptoms, no treatments are available to control the underlying pathophysiology responsible for this disabling condition. METHODS/DESIGN: Patients with herpes zoster who are at least 50 years old and have a pain score of 4 or higher on a visual analogue scale (VAS) will be recruited...
January 14, 2017: Trials
https://www.readbyqxmd.com/read/28088222/clinical-importance-of-personality-difficulties-diagnostically-sub-threshold-personality-disorders
#11
Max Karukivi, Tero Vahlberg, Kalle Horjamo, Minna Nevalainen, Jyrki Korkeila
BACKGROUND: Current categorical classification of personality disorders has been criticized for overlooking the dimensional nature of personality and that it may miss some sub-threshold personality disturbances of clinical significance. We aimed to evaluate the clinical importance of these conditions. For this, we used a simple four-level dimensional categorization based on the severity of personality disturbance. METHODS: The sample consisted of 352 patients admitted to mental health services...
January 14, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28088217/surgical-treatment-of-upper-cervical-spine-metastases-a-retrospective-study-of-39-cases
#12
Jian Yang, Qi Jia, Dongyu Peng, Wei Wan, Nanzhe Zhong, Yan Lou, Xiaopan Cai, Zhipeng Wu, Chenglong Zhao, Xinghai Yang, Jianru Xiao
BACKGROUND: The surgical treatment of upper cervical spine metastases are controversial up to now. By summarizing and analyzing the clinical data of the upper cervical spine involved metastases treated surgically in our center, we mainly aimed to investigate the surgical decisions and outcomes so as to provide more references for the clinical treatment of this special and complex spine metastasis. METHODS: We evaluated the patients' pre- and post-operative neck pain and neurologic function with paired t test, followed by the statistics of the selection of surgical approaches, ways of reconstruction, and related complications...
January 14, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28088179/chronic-constipation-diagnosis-and-treatment-evaluation-the-chro-co-di-t-e-study
#13
Massimo Bellini, Paolo Usai-Satta, Antonio Bove, Renato Bocchini, Francesca Galeazzi, Edda Battaglia, Pietro Alduini, Elisabetta Buscarini, Gabrio Bassotti
BACKGROUND: According to Rome criteria, chronic constipation (CC) includes functional constipation (FC) and irritable bowel syndrome with constipation (IBS-C). Some patients do not meet these criteria (No Rome Constipation, NRC). The aim of the study was is to evaluate the various clinical presentation and management of FC, IBS-C and NRC in Italy. METHODS: During a 2-month period, 52 Italian gastroenterologists recorded clinical data of FC, IBS-C and NRC patients, using Bristol scale, PAC-SYM and PAC-QoL questionnaires...
January 14, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28088111/psychometric-evaluation-of-the-generalized-anxiety-disorder-screener-gad-7-based-on-a-large-german-general-population-sample
#14
Andreas Hinz, Annette M Klein, Elmar Brähler, Heide Glaesmer, Tobias Luck, Steffi G Riedel-Heller, Kerstin Wirkner, Anja Hilbert
BACKGROUND: The Generalized Anxiety Disorder Scales GAD-7 and GAD-2 are instruments for the assessment of anxiety. The aims of this study are to test psychometric properties of these questionnaires, to provide normative values, and to investigate associations with sociodemographic factors, quality of life, psychological variables, and behavioral factors. METHODS: A German community sample (n=9721) with an age range of 18-80 years was surveyed using the GAD-7 and several other questionnaires...
December 18, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28088057/a-systematic-review-of-adult-attachment-and-social-anxiety
#15
REVIEW
Ray P C Manning, Joanne M Dickson, Jasper Palmier-Claus, Alexandra Cunliffe, Peter J Taylor
BACKGROUND: Attachment has been implicated in the development of social anxiety. Our aim was to synthesise the extant literature exploring the role of adult attachment in these disorders. METHOD: Search terms relating to social anxiety and attachment were entered into MEDLINE, PsycINFO and Web of Science. Risk of bias of included studies was assessed using and adapted version of the Agency for Healthcare Research and Quality assessment tool. Eligible studies employed validated social anxiety and attachment assessments in adult clinical and analogue samples...
December 19, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28088008/instruments-evaluating-the-quality-of-the-clinical-learning-environment-in-nursing-education-a-systematic-review-of-psychometric-properties
#16
REVIEW
Irene Mansutti, Luisa Saiani, Luca Grassetti, Alvisa Palese
BACKGROUND: The clinical learning environment is fundamental to nursing education paths, capable of affecting learning processes and outcomes. Several instruments have been developed in nursing education, aimed at evaluating the quality of the clinical learning environments; however, no systematic review of the psychometric properties and methodological quality of these studies has been performed to date. OBJECTIVES: The aims of the study were: 1) to identify validated instruments evaluating the clinical learning environments in nursing education; 2) to evaluate critically the methodological quality of the psychometric property estimation used; and 3) to compare psychometric properties across the instruments available...
January 4, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28087954/functional-limitation-and-health-related-quality-of-life-and-associated-factors-among-long-term-stroke-survivors-in-a-malaysian-community
#17
M N Nor Azlin, N A Aziz, B S Saperi, S M Aljunid
PURPOSE: this study aimed to evaluate function and quality of life (QoL) and associated factors among long term stroke survivors in the Malaysian community. METHODS: A cross-sectional study was conducted involving stroke survivors living in the community at two or more years post-stroke. Eligible participants with the diagnosis of stroke were identified from 2005-2010 case mix database of a tertiary hospital. the patients' medical records were analysed and data on demographic and clinical profiles were collected...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087845/waking-eeg-cortical-markers-of-chronic-pain-and-sleepiness
#18
Danny Camfferman, G Lorimer Moseley, Kevin Gertz, Mark W Pettet, Mark P Jensen
OBJECTIVE: Spectral power analyses of EEG recordings are reported to distinguish the cortical activity of individuals with chronic pain from those of controls. Further study of these spectral patterns may provide a greater understanding of the processes associated with chronic pain, in addition to providing potential biometric markers of chronic pain for use in both clinical and research settings. However, sleep deprived groups have demonstrated similar characteristics in their spectral power characteristics, particularly in alpha bandwidth power activity...
January 13, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28087821/selection-of-first-line-therapy-in-multiple-sclerosis-using-risk-benefit-decision-analysis
#19
David Bargiela, Matthew T Bianchi, M Brandon Westover, Lori B Chibnik, Brian C Healy, Philip L De Jager, Zongqi Xia
OBJECTIVE: To integrate long-term measures of disease-modifying drug efficacy and risk to guide selection of first-line treatment of multiple sclerosis. METHODS: We created a Markov decision model to evaluate disability worsening and progressive multifocal leukoencephalopathy (PML) risk in patients receiving natalizumab (NTZ), fingolimod (FGL), or glatiramer acetate (GA) over 30 years. Leveraging publicly available data, we integrated treatment utility, disability worsening, and risk of PML into quality-adjusted life-years (QALYs)...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087722/a-systematic-review-of-administrative-and-clinical-databases-of-infants-admitted-to-neonatal-units
#20
Yevgeniy Statnikov, Buthaina Ibrahim, Neena Modi
OBJECTIVES: High quality information, increasingly captured in clinical databases, is a useful resource for evaluating and improving newborn care. We conducted a systematic review to identify neonatal databases, and define their characteristics. METHODS: We followed a preregistered protocol using MesH terms to search MEDLINE, EMBASE, CINAHL, Web of Science and OVID Maternity and Infant Care Databases for articles identifying patient level databases covering more than one neonatal unit...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
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