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https://www.readbyqxmd.com/read/28092345/acute-effects-of-a-beverage-containing-bitter-melon-extract-carela-on-postprandial-glycemia-among-prediabetic-adults
#1
C H Boone, J R Stout, J A Gordon, M J Redd, D D Church, L P Oliveira, D H Fukuda, J R Hoffman
BACKGROUND: Acute ingestion of bitter melon (BM) has been shown to suppress the postprandial glycemic response in diabetics, but its impact on glucose regulation among individuals with impaired glucose tolerance is unclear. Moreover, one's glucose tolerance level may influence the effectiveness of BM. This study aimed to examine the acute effects of a beverage containing BM extract on blood glucose regulation during an oral glucose tolerance test (OGTT) among prediabetics. METHODS: Ten prediabetic adults completed two OGTTs-glucose only (D2) and glucose+BM (D3)...
January 16, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28091522/cr-incorporated-phase-transformation-in-y2o3-under-ion-irradiation
#2
N Li, S K Yadav, Y Xu, J A Aguiar, J K Baldwin, Y Q Wang, H M Luo, A Misra, B P Uberuaga
Under irradiation, chemical species can redistribute in ways not expected from equilibrium behavior. In oxide-dispersed ferritic alloys, the phenomenon of irradiation-induced Cr redistribution at the metal/oxide interfaces has drawn recent attention. Here, the thermal and irradiation stability of the FeCr/Y2O3 interface has been systematically studied. Trilayer thin films of 90 nm Fe - 20 at.% Cr (1(st) layer)/100 nm Y2O3 (2(nd) layer)/135 nm Fe - 20 at.% Cr (3(rd) layer) were deposited on MgO substrates at 500 °C...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089481/recommendations-for-mri-based-contouring-of-gross-tumor-volume-and-organs-at-risk-for-radiation-therapy-of-pancreatic-cancer
#3
H D Heerkens, W A Hall, X A Li, P Knechtges, E Dalah, E S Paulson, C A T van den Berg, G J Meijer, E J Koay, C H Crane, K Aitken, M van Vulpen, B A Erickson
PURPOSE: Local recurrence is a common and morbid event in patients with unresectable pancreatic adenocarcinoma. A more conformal and targeted radiation dose to the macroscopic tumor in nonmetastatic pancreatic cancer is likely to reduce acute toxicity and improve local control. Optimal soft tissue contrast is required to facilitate delineation of a target and creation of a planning target volume with margin reduction and motion management. Magnetic resonance imaging (MRI) offers considerable advantages in optimizing soft tissue delineation and is an ideal modality for imaging and delineating a gross tumor volume (GTV) within the pancreas, particularly as it relates to conformal radiation planning...
October 17, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28088191/predicting-probable-alzheimer-s-disease-using-linguistic-deficits-and-biomarkers
#4
Sylvester O Orimaye, Jojo S-M Wong, Karen J Golden, Chee P Wong, Ireneous N Soyiri
BACKGROUND: The manual diagnosis of neurodegenerative disorders such as Alzheimer's disease (AD) and related Dementias has been a challenge. Currently, these disorders are diagnosed using specific clinical diagnostic criteria and neuropsychological examinations. The use of several Machine Learning algorithms to build automated diagnostic models using low-level linguistic features resulting from verbal utterances could aid diagnosis of patients with probable AD from a large population...
January 14, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28087371/use-of-the-heart-pathway-with-high-sensitivity-cardiac-troponins-a-secondary-analysis
#5
Simon A Mahler, Jason P Stopyra, Fred S Apple, Robert F Riley, Gregory B Russell, Brian C Hiestand, James W Hoekstra, Cedric W Lefebvre, Bret A Nicks, David M Cline, Kim L Askew, David M Herrington, Gregory L Burke, Chadwick D Miller
OBJECTIVES: The HEART Pathway combines a decision aid and serial contemporary cardiac troponin I (cTnI) measures to achieve >99% sensitivity for major adverse cardiac events (MACE) at 30days and early discharge rates >20%. However, the impact of integrating high-sensitivity troponin (hs-cTn) measures into the HEART Pathway has yet to be determined. In this analysis we compare test characteristics of the HEART Pathway using hs-cTnI, hs-cTnT, or cTnI. DESIGN &METHODS: A secondary analysis of participants enrolled in the HEART Pathway RCT was conducted...
January 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28086977/people-living-with-hiv-on-art-have-accurate-perception-of-lipodystrophy-signs-a-cross-sectional-study
#6
Paulo R Alencastro, Nemora T Barcellos, Fernando H Wolff, Maria Letícia R Ikeda, Fabiana Schuelter-Trevisol, Ajácio B M Brandão, Sandra C Fuchs
BACKGROUND: The prevalence of lipodystrophy ranges from 31 to 65%, depending on the criteria adopted for diagnosis. The usual methods applied in the diagnosis vary from self-perception, medical examination, skinfolds measurements, or even imaging assessment for confirmation of fat distribution changes. Although several methods have been developed, there is no gold standard for characterization of LA and LH, or mixed forms. This study aimed to compare self-reported signs of lipodystrophy with objective measures by skinfolds and circumferences, and to evaluate the prevalence of lipoatrophy (LA) and lipohypertrophy (LH) among subjects living with HIV/AIDS on ART...
January 13, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28077608/-holiday-sickness-reported-exploratory-outcome-of-over-500-united-kingdom-holidaymakers-with-travellers-diarrhoea
#7
Prof Aali J Sheen, M Saad B Zahid, Andrew Fagbemi, Catherine Fullwood, Kathryn Whitehead
AIMS: To ascertain any predictors of potential food poisoning pathogens and development of post-infective irritable bowel syndrome (IBS) in UK travellers. An analysis was undertaken on prospectively collected data on 527 patients reporting symptoms of suspected food poisoning between June 2012 and June 2015. MAIN OUTCOME MEASURES: Positive stool sample indicative of food poisoning pathogens and diagnosis of post-infective IBS. RESULTS: Data on 527 patients were examined...
January 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28077373/determination-of-renal-function-and-injury-using-near-infrared-fluorimetry-in-experimental-cardiorenal-syndrome
#8
Mizuko Ikeda, Rumie Wakasaki, Katie J Schenning, Thomas Swide, Jeong Heon Lee, M Bernie Miller, Hak Soo Choi, Sharon Anderson, Michael P Hutchens
Cardiorenal syndrome type 1 causes acute kidney injury but is poorly understood; animal models and diagnostic aids are lacking. Robust noninvasive measurements of glomerular filtration rate are required for injury models and clinical use. Several have been described but are untested in translational models and suffer from biologic interference. We developed a mouse model of cardiorenal syndrome and tested the novel near-infrared fluorophore, ZW800-1, to assess renal and cardiac function. We performed murine cardiac arrest and cardiopulmonary resuscitation followed by transthoracic echocardiography, 2- and 24h later...
January 11, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28076252/a-clinical-aid-for-detecting-skin-cancer-the-triage-amalgamated-dermoscopic-algorithm-tada
#9
T Rogers, M L Marino, S W Dusza, S Bajaj, R P Usatine, M A Marchetti, A A Marghoob
PURPOSE: Family physicians (FPs) frequently evaluate skin lesions but may not have the necessary training to accurately and confidently identify lesions that require skin biopsy or specialist referral. We evaluated the diagnostic performance of a new, simplified dermoscopy algorithm for skin cancer detection. METHODS: In this cross-sectional, observation study, attendees of a dermoscopy course evaluated 50 polarized dermoscopy images of skin lesions (27 malignant and 23 benign) using the Triage Amalgamated Dermoscopic Algorithm (TADA)...
November 2016: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28074630/quantification-of-phenotype-information-aids-the-identification-of-novel-disease-genes
#10
Anneke T Vulto-van Silfhout, Christian Gilissen, Jelle J Goeman, Sandra Jansen, Claudia J M van Amen-Hellebrekers, Bregje W M van Bon, David A Koolen, Erik A Sistermans, Han G Brunner, Arjan P M de Brouwer, Bert B A de Vries
Next generation sequencing led to the identification of many potential novel disease genes. The presence of mutations in the same gene in multiple unrelated patients is, however, a priori insufficient to establish that these genes are truly involved in the respective disease. Here, we show how phenotype information can be incorporated within statistical approaches to provide additional evidence for the causality of mutations. We developed a broadly applicable statistical model that integrates gene-specific mutation rates, cohort size, mutation type and phenotype frequency information to assess the chance of identifying de novo mutations affecting the same gene in multiple patients with shared phenotype features...
January 10, 2017: Human Mutation
https://www.readbyqxmd.com/read/28069398/objective-decision-making-between-conventional-and-oncoplastic-breast-conserving-surgery-or-mastectomy-an-aesthetic-and-functional-prospective-cohort-study
#11
D Pukancsik, P Kelemen, M Újhelyi, E Kovács, N Udvarhelyi, N Mészáros, I Kenessey, T Kovács, M Kásler, Z Mátrai
BACKGROUND: Breast-conserving surgery (BCS) is considered the standard treatment for early-stage breast cancer. However, fair to poor cosmetic outcomes following conventional BCS have been observed in as many as one-third of cases. The aim of this study was to determine the critical tumor-to-breast volume ratio for each quadrant of the breast beyond which conventional BCS would no longer offer acceptable cosmetic and functional results or satisfactory quality of life for the patient. METHODS: A prospective cohort study was performed between December 2011 and December 2013 involving 350 patients younger than 70 years with early-stage unifocal (T ≤ 30 mm) breast cancer who underwent wide excision and axillary sentinel lymph node biopsy followed by whole-breast irradiation...
December 5, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28066827/optimized-left-ventricular-endocardial-stimulation%C3%A2-is-superior-to-optimized-epicardial%C3%A2-stimulation-in-ischemic-patients-with%C3%A2-poor-response-to-cardiac-resynchronization%C3%A2-therapy-a%C3%A2-combined-magnetic-resonance-imaging-electroanatomic%C3%A2-contact-mapping-and-hemodynamic
#12
Jonathan M Behar, Tom Jackson, Eoin Hyde, Simon Claridge, Jaswinder Gill, Julian Bostock, Manav Sohal, Bradley Porter, Mark O'Neill, Reza Razavi, Steve Niederer, Christopher Aldo Rinaldi
OBJECTIVES: The purpose of this study was to identify the optimal pacing site for the left ventricular (LV) lead in ischemic patients with poor response to cardiac resynchronization therapy (CRT). BACKGROUND: LV endocardial pacing may offer benefit over conventional CRT in ischemic patients. METHODS: We performed cardiac magnetic resonance, invasive electroanatomic mapping (EAM), and measured the acute hemodynamic response (AHR) in patients with existing CRT systems...
December 2016: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/28065185/predictors-of-immunodeficiency-related-death-in-a-cohort-of-low-income-people-living-with-hiv-a-competing-risks-survival-analysis
#13
M F P M Albuquerque, D N Alves, C C Bresani Salvi, J D L Batista, R A A Ximenes, D B Miranda-Filho, H R L Melo, M Maruza, U R Montarroyos
We conducted a survival analysis with competing risks to estimate the mortality rate and predictive factors for immunodeficiency-related death in people living with HIV/AIDS (PLWH) in northeast Brazil. A cohort with 2372 PLWH was enrolled between July 2007 and June 2010 and monitored until 31 December 2012 at two healthcare centres. The event of interest was immunodeficiency-related death, which was defined based on the Coding Causes of Death in HIV Protocol (CoDe). The predictor variables were: sociodemographic characteristics, illicit drugs, tobacco, alcohol, nutritional status, antiretroviral therapy, anaemia and CD4 cell count at baseline; and treatment or chemoprophylaxis for tuberculosis (TB) during follow-up...
January 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28062133/cognitive-ability-lifestyle-risk-factors-and-two-year-survival-in-first-myocardial-infarction-men-a-swedish-national-registry-study
#14
John Wallert, Guy Madison, Claes Held, Erik Olsson
BACKGROUND: General cognitive ability (CA) is positively associated with later physical and mental health, health literacy, and longevity. We investigated whether CA estimated approximately 30years earlier in young adulthood predicted lifestyle-related risk factors and two-year survival in first myocardial infarction (MI) male patients. METHODS: Young adulthood CA estimated through psychometric testing at age 18-20years was obtained from the mandatory military conscript registry (INSARK) and linked to national quality registry SWEDEHEART/RIKS-HIA data on smoking, diabetes, hypertension, obesity (BMI>30kg/m(2)) in 60years or younger Swedish males with first MI...
December 28, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28060856/hiv-infection-is-associated-with-increased-fatty-infiltration-of-the-thigh-muscle-with-aging-independent-of-fat-distribution
#15
Javzandulam Natsag, Kristine M Erlandson, Deborah E Sellmeyer, Sabina A Haberlen, Joseph Margolick, Lisa P Jacobson, Frank J Palella, Susan L Koletar, Jordan E Lake, Wendy S Post, Todd T Brown
BACKGROUND: Lower muscle density on computed tomography (CT) provides a measure of fatty infiltration of muscle, an aspect of muscle quality that has been associated with metabolic abnormalities, weakness, decreased mobility, and increased fracture risk in older adults. We assessed the cross-sectional relationship between HIV serostatus, age, thigh muscle attenuation, and thigh muscle cross-sectional area (CSA). METHODS: Mean CT-quantified Hounsfield units (HU) of the thigh muscle bundle and CSA were evaluated in 368 HIV-infected and 145 HIV-uninfected men enrolled in the Multicenter AIDS Cohort Study (MACS) Cardiovascular Substudy using multivariable linear regression...
2017: PloS One
https://www.readbyqxmd.com/read/28060014/outcomes-of-cervical-cancer-among-hiv-infected-and-uninfected-women-treated-at-the-brazilian-national-institute-of-cancer-2001-2013
#16
Mariana P Ferreira, Anna E Coghill, Claudia B Chaves, Anke Bergmann, Luiz C Thuler, Esmeralda A Soares, Ruth M Pfeiffer, Eric A Engels, Marcelo A Soares
OBJECTIVE: We assessed mortality, treatment response, and relapse among HIV-infected and HIV-uninfected women with cervical cancer in Rio de Janeiro, Brazil. DESIGN: Cohort study of 87 HIV-infected and 336 HIV-uninfected women with cervical cancer. METHODS: Patients at the Brazilian National Institute of Cancer (2001-2013) were matched on age, calendar year of diagnosis, clinical stage, and tumor histology. Staging and treatment with surgery, radiotherapy, and/or chemotherapy followed international guidelines...
January 4, 2017: AIDS
https://www.readbyqxmd.com/read/28059307/nonlinear-compensation-with-dbp-aided-by-a-memory-polynomial
#17
João Gonçalves, Celestino S Martins, Fernando P Guiomar, Telmo R Cunha, José C Pedro, Armando N Pinto, Pedro M Lavrador
Using digital backpropagation (DBP) based on the split step Fourier method (SSFM) aided by a memory polynomial (MP) model, we demonstrate an improved DBP approach for fiber nonlinearity compensation. The proposed technique (DBP-SSFM&MP) is numerically validated and its performance and complexity are compared against the benchmark DBP-SSFM, considering a single-channel 336 Gb/s PM-64QAM transmission system. We demonstrate that the proposed technique allows to maintain the performance achieved by DBP-SSFM, while decreasing the required number of iterations, by over 60%...
December 26, 2016: Optics Express
https://www.readbyqxmd.com/read/28057809/factors-associated-with-long-term-mortality-after-fontan-procedures-a-systematic-review
#18
REVIEW
Tarek Alsaied, Jouke P Bokma, Mark E Engel, Joey M Kuijpers, Samuel P Hanke, Liesl Zuhlke, Bin Zhang, Gruschen R Veldtman
BACKGROUND: Despite an ageing Fontan population, data on late outcomes are still scarce. Reported outcome measures and determinants vary greatly between studies making comprehensive appraisal of mortality hazard challenging. METHODS: We conducted a systematic review to evaluate causes and factors associated with late mortality in patients with Fontan circulation. Late mortality was defined as mortality beyond the first postoperative year. Studies were included if they had ≥90 patients or ≥20 late mortalities and/or transplants...
January 15, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28057195/the-persistent-problem-of-late-hiv-diagnosis-in-people-with-aids-a-population-based-study-in-italy-1999-2013
#19
M Taborelli, S Virdone, L Camoni, V Regine, A Zucchetto, L Frova, E Grande, S Boros, L Dal Maso, P De Paoli, D Serraino, B Suligoi
OBJECTIVES: Despite the wide accessibility to free human immunodeficiency virus (HIV) testing and combined antiretroviral therapy (cART), late HIV diagnosis remains common with severe consequences at individual and population level. This study aimed to describe trends of late HIV testing and to identify their determinants in the late cART era in Italy. STUDY DESIGN: We conducted a population-based, nationwide analysis of the Italian National AIDS Registry data (AIDS - acquired immune deficiency syndrome) for the years 1999-2013...
January 2017: Public Health
https://www.readbyqxmd.com/read/28056949/the-treatment-of-non-malarial-febrile-illness-in-papua-new-guinea-findings-from-cross-sectional-and-longitudinal-studies-of-health-worker-practice
#20
Olga P M Saweri, Manuel W Hetzel, Ivo Mueller, Peter M Siba, Justin Pulford
BACKGROUND: The Papua New Guinea Department of Health recently shifted from a presumptive to a 'test and treat' malaria case management policy. This shift was supported by the widespread introduction of malaria rapid diagnostic tests in health facilities across the country. Health workers received training and job-aids detailing how to conduct and interpret a malaria rapid diagnostic test and how to treat test positive cases; however, little instruction on treating non-malaria febrile cases was provided...
January 5, 2017: BMC Health Services Research
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