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https://www.readbyqxmd.com/read/28532100/the-controlled-drug-release-by-ph-sensitive-molecularly-imprinted-nanospheres-for-enhanced-antibacterial-activity
#1
Congyang Mao, Xianzhou Xie, Xiangmei Liu, Zhenduo Cui, Xianjin Yang, K W K Yeung, Haobo Pan, Paul K Chu, Shuilin Wu
In this study, we prepared pH-sensitive hybrid nanospheres through the implementation of a facile molecularly imprinted polymer (MIP) technique combined with a UV-initiated precipitation polymerization method using vancomycin (VA) for the templates. During the course of this investigation, both 2-hydroxyethyl methacrylate (HEMA) and 2-(diethylamino) ethyl methacrylate (DEAEMA) were utilized as the functional monomers, while ethylene glycol dimethacrylate (EGDMA) was used as a cross-linker. The obtained MIP nanospheres exhibited well-controlled particle size, with a drug loading capacity of about 17%, much higher than that of the non-imprinted polymer (NIP) nanospheres (5%)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531653/characteristics-needs-and-experiences-of-u-s-veterans-on-a-specialized-prison-unit
#2
Jack Tsai, Elizabeth Goggin
The Veterans Service Unit (VSU) in Connecticut is one of several all-veterans prison units that are being created throughout the United States. This study examined the characteristics, needs, and experiences of veterans on the Connecticut VSU. This study utilized data from a quality improvement survey that was completed by 87 of the 110 veterans on the Connecticut VSU (79% response rate). The majority of veterans on the VSU were white, aged 41-56, never married, and had an honorable or general military discharge making them potentially eligible for Veterans Affairs (VA) healthcare upon release...
May 17, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28531099/vitamin-a-status-of-women-and-children-in-yaound%C3%A3-and-douala-cameroon-is-unchanged-one-year-after-initiation-of-a-national-vitamin-a-oil-fortification-program
#3
Reina Engle-Stone, Martin Nankap, Alex Ndjebayi, Marie-Madeleine Gimou, Avital Friedman, Marjorie J Haskell, Ann Tarini, Kenneth H Brown
Vitamin A (VA) fortification of cooking oil is considered a cost-effective strategy for increasing VA status, but few large-scale programs have been evaluated. We conducted representative surveys in Yaoundé and Douala, Cameroon, 2 years before and 1 year after the introduction of a mandatory national program to fortify cooking oil with VA. In each survey, 10 different households were selected within each of the same 30 clusters (n = ~300). Malaria infection and plasma indicators of inflammation and VA (retinol-binding protein, pRBP) status were assessed among women aged 15-49 years and children aged 12-59 months, and casual breast milk samples were collected for VA and fat measurements...
May 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28528373/the-association-between-primary-source-of-healthcare-coverage-and-colorectal-cancer-screening-among-us-veterans
#4
Folasade P May, Elizabeth M Yano, Dawn Provenzale, W Neil Steers, Donna L Washington
BACKGROUND: Colorectal cancer (CRC) is a deadly but largely preventable disease. Screening improves outcomes, but screening rates vary across healthcare coverage models. In the Veterans Health Administration (VA), screening rates are high; however, it is unknown how CRC screening rates compare for Veterans with other types of healthcare coverage. AIMS: To determine whether Veterans with Veteran-status-related coverage (VA, military, TRICARE) have higher rates of CRC screening than Veterans with alternate sources of healthcare coverage...
May 20, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28527890/mechano-electric-coupling-heterogeneity-in-repolarization-and-the-electrocardiographic-t-wave
#5
REVIEW
V M F Meijborg, C N W Belterman Va, J M T de Bakker, R Coronel, C E Conrath
Stretch influences repolarization by mechano-electric coupling (MEC) and contributes to arrhythmogenesis. Although there is an abundance of research on electrophysiological effects of MEC, it is still unclear how MEC translates to the ECG. We aim to provide an overview of the MEC research focused on the ECG and the underlying changes in electrophysiology. In addition, we present new data on the effect of left ventricular pressure on the electrocardiographic T-wave. We show that an increase in left ventricular pressure leads to prolonged QT-intervals with increased amplitudes of the STT-segment...
May 17, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28527110/a-review-of-the-hemodynamic-factors-believed-to-contribute-to-vascular-access-dysfunction
#6
Connor V Cunnane, Eoghan M Cunnane, Michael T Walsh
A vascular access (VA) is used to facilitate hemodialysis in patients that suffer from end-stage renal disease. However, they suffer from high failure rates due to non-maturation and venous stenosis, with intimal hyperplasia (IH) the underlying cause of both conditions. Abnormal hemodynamic profiles, which arise following VA creation, are believed to lead to the development of IH. However, the exact physiological response that initiates this process is unknown. This review evaluates the different hemodynamic parameters that are hypothesised to correlate with the development of IH...
May 19, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28527040/fundamental-principles-of-an-anti-vegf-treatment-regimen-optimal-application-of-intravitreal-anti-vascular-endothelial-growth-factor-therapy-of-macular-diseases
#7
REVIEW
Paolo Lanzetta, Anat Loewenstein
BACKGROUND: Intravitreal anti-vascular endothelial growth factor (VEGF) therapy is now considered the gold standard for the treatment of various retinal disorders. As therapy has evolved, so too have the treatment regimens employed by physicians in clinical practice; however, visual outcomes observed in the real world have typically not reflected those reported in clinical trials. Possible reasons for this include a lack of consensus on treatment regimens and a lack of clarity about what the aims of treatment should be...
May 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28524639/high-dose-intravenous-steroid-pulse-therapy-in-ocular-involvement-of-behcet-s-disease-a-pilot-double-blind-control-study
#8
Mastaneh Mohammadi, Farhad Shahram, Hormoz Shams, Massoomeh Akhlaghi, Farimah Ashofteh, Fereydoun Davatchi
AIM: To evaluate the efficacy of intravenous high-dose pulses of methylprednisolone (IVPM) for treatment of ocular involvement in Behcet's disease (BD). METHOD: In a double-blind control study, we randomized BD patients with posterior uveitis (PU) and/or retinal vasculitis (RV) into two groups. They received either IVPM (1000 mg methylprednisolone) or placebo for 3 consecutive days. Both groups received combination therapy with IV cyclophosphamide, azathioprine and prednisolone for 6 months...
May 19, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28523579/primary-care-and-hepatology-provider-perceived-barriers-to-and-facilitators-of-hepatitis-c-treatment-candidacy-and-adherence
#9
Shari S Rogal, Rory McCarthy, Andrea Reid, Keri L Rodriguez, Linda Calgaro, Krupa Patel, Molly Daley, Naudia L Jonassaint, Susan L Zickmund
BACKGROUND: Provider perceptions regarding barriers to and facilitators of hepatitis C (HCV) treatment initiation and adherence have not been fully evaluated in the interferon-free treatment era. New treatments have provided opportunities for non-specialists to treat HCV, underscoring the importance of understanding primary care provider (PCP) and specialist perspectives. METHODS: Based on qualitative sampling principles, 12 PCPs and 12 hepatology providers (HPs) from the VA Pittsburgh Healthcare System completed audio-recorded semi-structured interviews...
May 18, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28521347/sequential-extradural-release-of-the-v3-vertebral-artery-to-facilitate-intradural-v4-vertebral-artery-reanastomosis-feasibility-of-a-novel-revascularization-technique
#10
Ali Tayebi Meybodi, Michael T Lawton, Arnau Benet
BACKGROUND: Revascularization of the intradural vertebral artery (VA) usually involves V3-V4 bypass using an interposition graft. The interposition of a graft increases surgical time, adds risks, and requires 2 suture lines. OBJECTIVE: To assess the feasibility of an excision-reanastomosis of V4 by sequentially releasing V3. METHODS: Twenty specimens were prepared for surgical simulation of a far-lateral approach. The third and fourth segments of the VA were exposed through the far-lateral approach bilaterally...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28520838/effect-of-the-prepare-website-vs-an-easy-to-read-advance-directive-on-advance-care-planning-documentation-and-engagement-among-veterans-a-randomized-clinical-trial
#11
Rebecca L Sudore, John Boscardin, Mariko A Feuz, Ryan D McMahan, Mary T Katen, Deborah E Barnes
Importance: Documentation rates of patients' medical wishes are often low. It is unknown whether easy-to-use, patient-facing advance care planning (ACP) interventions can overcome barriers to planning in busy primary care settings. Objective: To compare the efficacy of an interactive, patient-centered ACP website (PREPARE) with an easy-to-read advance directive (AD) to increase planning documentation. Design, Setting, and Participants: This was a comparative effectiveness randomized clinical trial from April 2013 to July 2016 conducted at multiple primary care clinics at the San Francisco VA Medical Center...
May 18, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28520674/relationship-stability-after-traumatic-brain-injury-among-veterans-and-service-members-a-va-tbi-model-systems-study
#12
Lillian Flores Stevens, Yanna Lapis, Xinyu Tang, Angelle M Sander, Laura E Dreer, Flora M Hammond, Jeffrey S Kreutzer, Therese M OʼNeil-Pirozzi, Risa Nakase-Richardson
OBJECTIVE: To explore stability of relationships and predictors of change in relationship status 2 years following TBI/polytrauma. SETTING: Five Department of Veterans Affairs Polytrauma Rehabilitation Centers (VA PRCs). PARTICIPANTS: A total of 357 active duty service members and Veterans enrolled in the Veterans Affairs Polytrauma Rehabilitation Centers Traumatic Brain Injury Model Systems database with complete marital status information at 2 years postinjury...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28520667/supervision-needs-following-veteran-and-service-member-moderate-to-severe-traumatic-brain-injury-a-va-tbi-model-systems-study
#13
Erin K Bailey, Risa Nakase-Richardson, Nitin Patel, Christina Dillahunt-Aspillaga, Susan A Ropacki, Angelle M Sander, Lillian Stevens, Xinyu Tang
OBJECTIVE: To characterize supervision levels across residential settings at 1 year post-TBI and explore predictors of supervision in a Veteran and Service-member population. SETTING: Five VA Polytrauma Rehabilitation Centers. PARTICIPANTS: A total of 302 individuals enrolled in the VA TBI Model Systems (TBIMS) research program. DESIGN: Prospective, longitudinal, multisite. MAIN MEASURES: Primary residence and supervision levels measured via scores on the Supervision Rating Scale...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28520659/predictors-of-satisfaction-with-life-in-veterans-after-traumatic-brain-injury-a-va-tbi-model-systems-study
#14
Leah R Gause, Jacob A Finn, Greg J Lamberty, Xinyu Tang, Lillian Flores Stevens, Blessen C Eapen, Risa Nakase-Richardson
OBJECTIVE: To identify predictors of satisfaction with life in Veterans 1 year after traumatic brain injury (TBI). SETTING: The VA TBI Model Systems (TBIMS) project includes 5 Veterans Affairs (VA) Polytrauma Rehabilitation Centers. PARTICIPANTS: Veterans enrolled in the VA TBIMS study who completed the Satisfaction With Life Scale at year 1 follow-up. The sample is largely male (96%) and Caucasian (72%), with a median age of 27 years upon enrollment...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28517950/gender-differences-in-service-utilization-among-operations-enduring-freedom-iraqi-freedom-and-new-dawn-veterans-affairs-patients-with-severe-mental-illness-and-substance-use-disorders
#15
Janelle M Painter, Emily Brignone, Amanda K Gilmore, Keren Lehavot, Jamison Fargo, Ying Suo, Tracy Simpson, Marjorie E Carter, Rebecca K Blais, Adi V Gundlapalli
Severe mental illness (SMI) and substance use disorders (SUD) are among the more chronic and costly mental health conditions treated in the Department of Veterans Affairs (VA). Service use patterns of returning veterans with SMI and SUD have received little attention. We examined gender differences in the utilization of VA services among a national sample of Operations Enduring Freedom, Iraqi Freedom, and New Dawn (OEF/OIF/OND) VA patients with SMI, SUD, and their comorbidity (SMI/SUD) in their first year of established VA care (N = 24,166)...
May 18, 2017: Psychological Services
https://www.readbyqxmd.com/read/28516442/vaccines-for-the-common-cold
#16
REVIEW
Daniel Simancas-Racines, Juan Va Franco, Claudia V Guerra, Maria L Felix, Ricardo Hidalgo, Maria José Martinez-Zapata
BACKGROUND: The common cold is a spontaneously remitting infection of the upper respiratory tract, characterised by a runny nose, nasal congestion, sneezing, cough, malaise, sore throat, and fever (usually < 37.8º C). The widespread morbidity caused by the common cold worldwide is related to its ubiquitousness rather than its severity. The development of vaccines for the common cold has been difficult because of antigenic variability of the common cold virus and the indistinguishable multiple other viruses and even bacteria acting as infective agents...
May 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28515977/establishing-normative-change-values-in-visual-acuity-loss-during-the-dynamic-visual-acuity-test
#17
Chris Marquez, Monica Lininger, Scot Raab
BACKGROUND: Baseline visual acuity (VA) loss from static to dynamic head conditions assessed using the Dynamic Visual Acuity Testing (DVAT) have not been established in NCAA football players. DVAT assesses the Vestibulo-Ocular Reflex (VOR) which is measured in Logarithm of the Minimum Angle of Resolution (logMAR). Decreased VA beyond baseline measures may detect VOR impairment and impact treatment protocols and assist in return to play decisions post-concussion. HYPOTHESIS/PURPOSE: To establish normative VA mean scores during a static head posture as well as dynamically during the DVAT with a head speed of 150 deg/s in the pitch (vertical) and yaw (horizontal) planes rotating 20 degrees in each direction...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28515746/veno-arterial-extracorporeal-membrane-oxygenation-as-cardiogenic-shock-therapy-support-in-adult-patients-after-heart-surgery
#18
Robert Musiał, Krystyna Ochońska, Andrzej Proc, Jarosław Stoliński, Dariusz Plicner, Bogusław Kapelak, Rafał Drwiła
INTRODUCTION: The authors present their personal experience in qualifying and treating adult patients using veno-arterial (VA) extracorporeal membrane oxygenation (ECMO) in postcardiotomy cardiogenic shock. AIM: The aim of this study was to analyze the results of VA ECMO in patients with postcardiotomy cardiogenic shock. An analysis of the risk factors of postoperative mortality was also performed. MATERIAL AND METHODS: We analyzed the perioperative results of survivors and non-survivors of treatment using VA ECMO...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28515503/drug-monographs-olaratumab-and-rucaparib
#19
Dominic A Solimando, J Aubrey Waddell
The complexity of cancer chemotherapy requires pharmacists be familiar with the complicated regimens and highly toxic agents used. This column reviews various issues related to preparation, dispensing, and administration of antineoplastic therapy, and the agents, both commercially available and investigational, used to treat malignant diseases. Questions or suggestions for topics should be addressed to Dominic A. Solimando, Jr, President, Oncology Pharmacy Services, Inc., 4201 Wilson Blvd #110-545, Arlington, VA 22203, e-mail: OncRxSvc@comcast...
April 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28515323/%C3%AE-adrenergic-induction-of-lipolysis-in-hepatocytes-is-inhibited-by-ethanol-exposure
#20
Micah B Schott, Karuna Rasineni, Shaun G Weller, Ryan J Schulze, Arthur C Sletten, Carol A Casey, Mark A McNiven
In liver steatosis i.e., fatty liver), hepatocytes accumulate many large neutral lipid-storage organelles known as lipid droplets (LDs). LDs are important in the maintenance of energy homeostasis, but the signaling mechanisms that stimulate LD metabolism in hepatocytes are poorly defined. In adipocytes, catecholamines target the β-adrenergic (β-AR)/cAMP pathway to activate cytosolic lipases and induce their recruitment to the LD surface. Therefore, the goal of this study was to determine whether hepatocytes, like adipocytes, also undergo cAMP-mediated lipolysis in response to β-AR stimulation...
May 17, 2017: Journal of Biological Chemistry
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