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Gro Gujord Tangen, Astrid Bergland, Knut Engedal, Anne Marit Mengshoel
Parkinsonian signs are common in patients with Alzheimer's disease (AD) of mild degree and predict functional decline, but their relationship with gait speed and balance is unclear. The aims of this study were to describe characteristics of patients with parkinsonian signs among 98 patients with AD of mild degree (with no comorbid Parkinson's disease), and to examine associations between parkinsonian signs with gait speed and balance. A cross sectional study at a memory clinic was conducted. Presence of each parkinsonian sign (bradykinesia, rigidity and tremor) was derived from the UPDRS, regular gait speed was recorded over 10m and balance were assessed using the Mini-Balance Evaluation Systems Test (Mini-BESTest)...
October 14, 2016: Gait & Posture
Lin Cheng, Matthew D Blackledge, David J Collins, Matthew R Orton, Neil P Jerome, Thorsten Feiweier, Mihaela Rata, Veronica Morgan, Nina Tunariu, Martin O Leach, Dow-Mu Koh
PURPOSE: To introduce T2-adjusted computed DWI (T2-cDWI), a method that provides synthetic images at arbitrary b-values and echo times (TEs) that improve tissue contrast by removing or increasing T2 contrast in diffusion-weighted images. MATERIALS AND METHODS: In addition to the standard DWI acquisition protocol T2-weighted echo-planar images at multiple (≥2) echo times were acquired. This allows voxelwise estimation of apparent diffusion coefficient (ADC) and T2 values, permitting synthetic images to be generated at any chosen b-value and echo time...
October 1, 2016: Computers in Biology and Medicine
Riaz A Agha, Alexander J Fowler, Shivanchan Rajmohan, Ishani Barai, Dennis P Orgill
INTRODUCTION: Case series have been a long held tradition within the surgical literature and are still frequently published. Reporting guidelines can improve transparency and reporting quality. No guideline exists for reporting case series and our recent systematic review highlights key data being missed from such reports. Our objective was to develop reporting guidelines for surgical case series. METHODS: A Delphi consensus exercise was conducted to determine items to include in the reporting guideline...
October 19, 2016: International Journal of Surgery
M David Keller, John M Ziriax, William Barns, Benjamin Sheffield, Douglas Brungart, Tony Thomas, Bobby Jaeger, Kurt Yankaskas
Noise, hearing loss, and electronic signal distortion, which are common problems in military environments, can impair speech intelligibility and thereby jeopardize mission success. The current study investigated the impact that impaired communication has on operational performance in a command and control environment by parametrically degrading speech intelligibility in a simulated shipborne Combat Information Center. Experienced U.S. Navy personnel served as the study participants and were required to monitor information from multiple sources and respond appropriately to communications initiated by investigators playing the roles of other personnel involved in a realistic Naval scenario...
October 19, 2016: Hearing Research
L Pelligand, A Soubret, J N King, J Elliott, J P Mochel
The objective of this study was to model the pharmacokinetics (PKs) of robenacoxib in cats using a nonlinear mixed-effects (NLME) approach, leveraging all available information collected from cats receiving robenacoxib s.c. and/or i.v.: 47 densely sampled laboratory cats and 36 clinical cats sparsely sampled preoperatively. Data from both routes were modeled sequentially using Monolix 4.3.2. Influence of parameter correlations and available covariates (age, gender, bodyweight, and anesthesia) on population parameter estimates were evaluated by using multiple samples from the posterior distribution of the random effects...
October 22, 2016: CPT: Pharmacometrics & Systems Pharmacology
Y H Cho, M E Craig, A S Januszewski, P Benitez-Aguirre, S Hing, A J Jenkins, K C Donaghue
AIM: To test the hypothesis that non-invasive skin autofluorescence, a measure of advanced glycation end products, would provide a surrogate measure of long-term glycaemia and be associated with early markers of microvascular complications in adolescents with Type 1 diabetes. METHODS: Forearm skin autofluorescence (arbitrary units) was measured in a cross-sectional study of 135 adolescents with Type 1 diabetes [mean ± sd age 15.6 ± 2.1 years, diabetes duration 8...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Ranmalee Eramudugolla, Jasmine Price, Sidhant Chopra, Xiaolan Li, Kaarin J Anstey
OBJECTIVES: To design a low-cost simulator-based driving assessment for older adults and to compare its validity with that of an on-road driving assessment and other measures of older driver risk. DESIGN: Cross-sectional observational study. SETTING: Canberra, Australia. PARTICIPANTS: Older adult drivers (N = 47; aged 65-88, mean age 75.2). MEASUREMENTS: Error rate on a simulated drive with environment and scoring procedure matched to those of an on-road test...
October 22, 2016: Journal of the American Geriatrics Society
Christel Häggström, Mieke Van Hemelrijck, Björn Zethelius, David Robinson, Birgitta Grundmark, Lars Holmberg, Soffia Gudbjörnsdottir, Hans Garmo, Pär Stattin
Type 2 diabetes mellitus (T2DM) has consistently been associated with decreased risk of prostate cancer, however, if this decrease is related to the use of anti-diabetic drugs is unknown. We prospectively studied men in the comparison cohort in the Prostate Cancer data Base Sweden (PCBaSe) 3.0, with data on T2DM, use of metformin, sulphonylurea, and insulin retrieved from national health care registers and demographic databases. Cox proportional hazards regression models were used to compute hazard ratios (HR) and 95% confidence intervals (CI) of prostate cancer, adjusted for confounders...
October 22, 2016: International Journal of Cancer. Journal International du Cancer
Joanne E Brady, Danielle K Liffmann, Anthony Yartel, Natalie Kil, Alex D Federman, Joseph Kannry, Cynthia Jordan, Omar I Massoud, David R Nerenz, Kimberly A Brown, Bryce D Smith, Claudia Vellozzi, David B Rein
BACKGROUND: From December 2012-March 2014, three randomized trials, each implementing a unique intervention in primary care settings (mail recruitment [repeated-mailing], an electronic health record best practice alert [BPA], and patient-solicitation [patient-solicitation]), evaluated HCV antibody testing, diagnosis, and costs for each of the interventions compared to standard-of-care testing. Multilevel multivariable models were used to estimate the adjusted risk ratio (aRR) for receiving an HCV antibody test, and costs were estimated using activity-based costing...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
S Tatishvili, M Sinitsa, R Jorbendaze, G Kavtaradze
Severe infarction or its consequences are considered as triggering factors of incidental depression. The aim of our study was to reveal factors associated with depressive episode in patients hospitalized with acute coronary syndrome (acute myocardial infarction, unstable angina). The Beck Depression inventory (BDI) was used for assessment of depressive symptoms in patients with coronary disease in Emergency Cardiology Clinic Tbilisi, Georgia. The study sample included 84 patients. The clinical Information was collected from hospital recordings...
September 2016: Georgian Medical News
C V Ananth, J A Lavery, A M Friedman, R J Wapner, J D Wright
OBJECTIVE: We examined rates of serious maternal complications in relation to severe pre-eclampsia based on the delivering hospital's annualised volume. DESIGN: Retrospective cohort study. POPULATION AND SETTING: Singleton deliveries (n = 25 782 235) in 439 hospitals in the USA. METHODS: Annualised hospital volume was categorised as 25-500, 501-1000, 1001-2000 and >2000. MAIN OUTCOME MEASURES: Rates of in-hospital maternal death and serious maternal complications, including puerperal cerebrovascular disorders, pulmonary oedema, disseminated intravascular coagulation, acute renal, heart and liver failure, sepsis, haemorrhage and intubation in relation to severe pre-eclampsia...
October 21, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
U Waldenström, S Cnattingius, L Vixner, M Norman
OBJECTIVE: To investigate whether advanced maternal age is associated with preterm birth, irrespective of parity. DESIGN: Population-based registry study. SETTING: Swedish Medical Birth Register. POPULATION: First, second, and third live singleton births to women aged 20 years or older in Sweden, from 1990 to 2011 (n = 2 009 068). METHODS: Logistic regression analysis was used in each parity group to estimate risks of very and moderately preterm births to women at 20-24, 25-29, 30-34, 35-39, and 40 years or older, using 25-29 years as the reference group...
October 21, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
Britton Trabert, Ronald C Eldridge, Ruth M Pfeiffer, Meredith S Shiels, Troy J Kemp, Chantal Guillemette, Patricia Hartge, Mark E Sherman, Louise A Brinton, Amanda Black, Anil K Chaturvedi, Allan Hildesheim, Sonja I Berndt, Mahboobeh Safaeian, Ligia Pinto, Nicolas Wentzensen
Inflammation is proposed to increase risk of developing endometrial cancer, but few prospective epidemiologic studies have investigated the relationship between circulating inflammation markers and endometrial cancer risk. In a nested case-control study within the PLCO Screening Trial we measured serum levels of 64 inflammation-related biomarkers in 284 incident endometrial cancer cases and 284 matched controls. Using multivariable logistic regression inflammation markers were evaluated individually and combined into a cross-validated inflammation score...
October 22, 2016: International Journal of Cancer. Journal International du Cancer
Guan-Yu Lin, Yu-Kai Lin, Jiunn-Tay Lee, Meei-Shyuan Lee, Chun-Chieh Lin, Chia-Kuang Tsai, Chi-Hsin Ting, Fu-Chi Yang
BACKGROUND: Although the comorbidity of migraine and restless legs syndrome (RLS) has been well-documented, the association between RLS and migraine frequency has yet to be elucidated. The present study aims to evaluate the prevalence of RLS among individuals who experience low-frequency, high-frequency, or chronic migraine presenting with and without aura. METHODS: We conducted a cross-sectional, case-controlled study involving 505 participants receiving outpatient headache treatment...
December 2016: Journal of Headache and Pain
Andrew S Hwang, Steven J Atlas, Johan Hong, Jeffrey M Ashburner, Adrian H Zai, Richard W Grant, Clemens S Hong
BACKGROUND: A better understanding of the attributes of patients who require more effort to manage may improve risk adjustment approaches and lead to more efficient resource allocation, improved patient care and health outcomes, and reduced burnout in primary care clinicians. OBJECTIVE: To identify and characterize high-effort patients from the physician's perspective. DESIGN: Cohort study. PARTICIPANTS: Ninety-nine primary care physicians in an academic primary care network...
October 21, 2016: Journal of General Internal Medicine
María Ángeles Guevara, Nuria de María, Enrique Sáez-Laguna, María Dolores Vélez, María Teresa Cervera, José Antonio Cabezas
Different molecular techniques have been developed to study either the global level of methylated cytosines or methylation at specific gene sequences. One of them is the methylation-sensitive amplified polymorphism technique (MSAP) which is a modification of amplified fragment length polymorphism (AFLP). It has been used to study methylation of anonymous CCGG sequences in different fungi, plants, and animal species. The main variation of this technique resides on the use of isoschizomers with different methylation sensitivity (such as HpaII and MspI) as a frequent-cutter restriction enzyme...
2017: Methods in Molecular Biology
Aideen Maguire, John Moriarty, Dermot O'Reilly, Mark McCann
PURPOSE: Educational attainment has been shown to be positively associated with mental health and a potential buffer to stressful events. One stressful life event likely to affect everyone in their lifetime is bereavement. This paper assesses the effect of educational attainment on mental health post-bereavement. METHODS: By utilising large administrative datasets, linking Census returns to death records and prescribed medication data, we analysed the bereavement exposure of 208,332 individuals aged 25-74 years...
October 21, 2016: Quality of Life Research
Benjamin Kearns, Abdullah Pandor, Matt Stevenson, Jean Hamilton, Duncan Chambers, Mark Clowes, John Graham, M Satish Kumar
As part of its single technology appraisal (STA) process, the National Institute for Health and Care Excellence (NICE) invited the company that manufactures cabazitaxel (Jevtana(®), Sanofi, UK) to submit evidence for the clinical and cost effectiveness of cabazitaxel for treatment of patients with metastatic hormone-relapsed prostate cancer (mHRPC) previously treated with a docetaxel-containing regimen. The School of Health and Related Research Technology Appraisal Group at the University of Sheffield was commissioned to act as the independent Evidence Review Group (ERG)...
October 22, 2016: PharmacoEconomics
Parker Magin, Rebecca Stewart, Allison Turnock, Amanda Tapley, Elizabeth Holliday, Nick Cooling
Underperforming trainees requiring remediation may threaten patient safety and are challenging for vocational training programs. Decisions to institute remediation are high-stakes-remediation being resource-intensive and emotionally demanding on trainees. Detection of underperformance requiring remediation is particularly problematic in general (family) practice. We sought to establish early-training assessment instruments predictive of general practice (GP) trainees' subsequently requiring formal remediation...
October 21, 2016: Advances in Health Sciences Education: Theory and Practice
Akihiro Tsuchimoto, Toshiaki Nakano, Shoko Hasegawa, Kosuke Masutani, Yuta Matsukuma, Masahiro Eriguchi, Masaharu Nagata, Takehiro Nishiki, Hidehisa Kitada, Masao Tanaka, Takanari Kitazono, Kazuhiko Tsuruya
BACKGROUND: Lymphangiogenesis occurs in diseased native kidneys and kidney allografts, and correlates with histological injury; however, the clinical significance of lymphatic vessels in kidney allografts is unclear. METHODS: This study retrospectively reviewed 63 kidney transplant patients who underwent protocol biopsies. Lymphatic vessels were identified by immunohistochemical staining for podoplanin, and were classified according to their location as perivascular or interstitial lymphatic vessels...
October 21, 2016: Clinical and Experimental Nephrology
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