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M Pereira, J Guerra, M Neves, J Gonçalves, A Santana, C Nascimento, A G da Costa
INTRODUCTION: The optimal immunosuppressive induction therapy in kidney transplant recipients with low immunologic risk of acute rejection (AR) is still controversial. The use of basiliximab (BSX) has led to a significant decrease of AR with a low side effect profile. OBJECTIVE: This study sought to evaluate predictive risk factors for AR in low immunologic risk patients subjected to immunosuppressive induction therapy with BSX. METHODS: We reviewed all low immunologic risk patients (panel reactive antibody [PRA] level <50%, who had undergone a first deceased-donor transplant) subjected to immunosuppressive induction therapy with BSX, calcineurin inhibitor, mycophenolate mofetil, and prednisolone (n = 346)...
September 2016: Transplantation Proceedings
P García, M Huerfano, M Rodríguez, A Caicedo, F Berrío, C Gonzalez
BACKGROUND: Renal transplantation is the best treatment for end stage renal disease. Acute graft rejection is one of the main complications and may influence graft survival. OBJECTIVE: To determine the incidence and features of acute cellular rejection (ACR) episodes confirmed by biopsy. METHODS: We studied a cohort of 175 patients who underwent renal transplantation between 2004 and 2012 to determine the cumulative incidence of ACR confirmed by biopsy and to identify the associated risk factors using multivariate analysis...
2016: International Journal of Organ Transplantation Medicine
Martin Jakl, Robert Sevcik, Ilona Fatorova, Jan M Horacek, Radek Pudil
OBJECTIVE: The aim of the present study was to assess long-term prognostic value of high on-treatment platelet reactivity (HTPR) in patients after acute myocardial infarction (MI) and its association with possible risk factors. METHODS: This prospective, case-control study was an observation of 198 patients who had acute MI. Response to aspirin and clopidogrel was assessed using impedance aggregometry. Patients were divided into groups of adequate response, dual poor responsiveness (DPR), poor responsiveness to aspirin (PRA), and poor responsiveness to clopidogrel (PRC)...
October 5, 2016: Anatolian Journal of Cardiology
K Closson, R McNeil, P McDougall, S Fernando, A B Collins, R Baltzer Turje, T Howard, S Parashar
BACKGROUND: Community-based HIV, harm reduction, and addiction research increasingly involve members of affected communities as Peer Research Associates (PRAs)-individuals with common experiences to the participant population (e.g. people who use drugs, people living with HIV [PLHIV]). However, there is a paucity of literature detailing the operationalization of PRA hiring and thus limited understanding regarding how affected communities can be meaningfully involved through low-barrier engagement in paid positions within community-based participatory research (CBPR) projects...
October 7, 2016: Harm Reduction Journal
Ayşe Başar Bener, Bora Çağlayan, Adam Douglas Henry, Paweł Prałat
This paper advances theories of social learning through an empirical examination of how social networks change over time. Social networks are important for learning because they constrain individuals' access to information about the behaviors and cognitions of other people. Using data on a large social network of mobile device users over a one-month time period, we test three hypotheses: 1) attraction homophily causes individuals to form ties on the basis of attribute similarity, 2) aversion homophily causes individuals to delete existing ties on the basis of attribute dissimilarity, and 3) social influence causes individuals to adopt the attributes of others they share direct ties with...
2016: PloS One
Seema R Khurana, Alexandria G Beranger, Elizabeth R Felix
OBJECTIVE: This study investigates the direct comparison of energy cost, efficiency, and effort between an ankle-foot orthosis (AFO) and a functional electrical stimulation (FES) device for foot drop in ambulatory patients with multiple sclerosis. DESIGN: Twenty adults (32-74 years old; 55% female) with a diagnosis of multiple sclerosis resulting in foot drop participated in a crossover, counterbalanced preliminary study. Each participant was tested on different days, with each session consisting of a separate walk trial per prosthetic device...
September 26, 2016: American Journal of Physical Medicine & Rehabilitation
J So, M L K Chua, E Lalonde, A Dal Pra, A Berlin, M Orain, H Hovington, A Bergeron, Y Fradet, B Têtu, A Meng, J Zhang, G Zafarana, J Livingstone, M Pintilie, T van der Kwast, M Fraser, P C Boutros, R G Bristow
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
A Tsikkinis, N Cihoric, P Ghadjar, K Loessl, D M Aebersold, A Dal Pra
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Richard A Britten, Vania D Miller, Melissa M Hadley, Jessica S Jewell, Evangeline Macadat
NASA is currently conducting ground based experiments to determine whether the radiation environment that astronauts will encounter on deep space missions will have an impact on their long-term health and their ability to complete the various tasks during the mission. Emerging data suggest that exposure of rodents to mission-relevant HZE radiation doses does result in the impairment of various neurocognitive processes. An essential part of mission planning is a probabilistic risk assessment process that takes into account the likely incidence and severity of a problem...
August 2016: Life Sciences in Space Research
Michelle McLellan, Michael G J Doyle, Edward D Bodnar, Paul G Lopez, Ronald Domalaon, Rini Roy, Katherine Cordova, Frank Schweizer, Hélène Perreault
RATIONALE: A cleavable linker is designed and synthesized for the selective capture of azide-containing compounds. This article presents a proof of concept methodology involving the use of peptide-functionalized aminopropyl silica, on which the peptide is constructed by solid-phase peptide synthesis. METHODS: The peptide linker has L-propargylglycine (Pra) at one terminal end to allow the conjugation of azide-containing molecules by copper assisted azide alkyne cycloaddition, also known as click reaction...
September 21, 2016: Rapid Communications in Mass Spectrometry: RCM
Steven Hunt, Paul Hopkins, Nazeem Nanjee, Karen Schwander, Donald Kohan, D C Rao, Gordon Williams
OBJECTIVE: Identify the earliest hormonal, electrolyte and gene expression responses to a saline infusion before compensatory mechanisms are activated and relate these responses to delayed sodium excretion. DESIGN AND METHOD: 233 normotensive subjects with a strong positive family history of hypertension, ages 21-65, were studied on a low sodium diet before, during and after a 2-hour, 2-liter saline infusion. Plasma and urine hormones of the renin-angiotensin-aldosterone, catecholamine, uric acid, kallikrein, and cortisol pathways, microalbumin, and urine and plasma electrolytes were measured...
September 2016: Journal of Hypertension
Ami Kwon, Woo-Baek Chung, Tae-Hoon Kim, Suk Min Suh, Eun Ho Chu, Sung-Won Jang, GeeHee Kim, Sang Hyun Ihm
OBJECTIVE: There are many reports about white coat hypertension (WCH), still the clinical significance and pathophysiology of WCH is ambiguous. The aim of this study was to find out the difference of RAAS activity in WCH compared with the essential hypertension (EH) group, which could suggest the role of RAAS activity in the development of WCH. DESIGN AND METHOD: Never treated hypertension patients who visited 8 hospitals of The Catholic University of Korea from January 2011 through July 2012 were enrolled...
September 2016: Journal of Hypertension
Yoshikiyo Ono, Yoshitsugu Iwakura, Ryo Morimoto, Masataka Kudo, Yasuhiro Igarashi, Masahiro Nezu, Yuta Tezuka, Hiromasa Ogawa, Sadayoshi Ito, Fumitoshi Stash
OBJECTIVE: Primary aldosteronism (PA) and sleep apnea syndrome (SAS) are common form of secondary hypertension. Some papers reported the group of high risk of SAS was higher rate of complication with PA than that of low risk of SAS. However, there are few reports which evaluated CPAP implementation rate of the PA patients with SAS diagnosing by Polysomnography (PSG). We aim to clarify clinical characteristics of patients of PA with SAS. DESIGN AND METHOD: We screened with Apnomonitor 284 PA patients who underwent adrenal venous sampling (AVS)...
September 2016: Journal of Hypertension
Federico Giulietti, Francesco Spannella, Elisabetta Borioni, Francesca Elena Lombardi, Laura Landi, Emma Espinosa, Riccardo Sarzani
OBJECTIVE: ACE inhibitors and angiotensin receptor blockers (ARB) modulate the renin-angiotensin system (RAS) leading to an increase in plasma renin activity (PRA) together with a reduction of plasma aldosterone concentration (PAC), likely proportional to the pharmacological effect. AIM: to evaluate the efficacy of therapy based on ACEI or ARB, using PRA/PAC ratio values in real-life clinical-practice. DESIGN AND METHOD: We studied 184 essential hypertensives (59...
September 2016: Journal of Hypertension
Kate Denton, Karen Moritz, Lindsey Booth, Clive May, Geoff Head, Markus Schlaich, Reetu Singh
OBJECTIVE: Renal sympathetic nerves contribute significantly to the control of kidney function and blood pressure. A critical question is whether catheter-based renal denervation (cDNX) has adverse consequences, in situations of clinical challenge, such as hemorrhage. The aim was to examine the effects of cDNX on basal mean arterial pressure (MAP) and glomerular filtration rate (GFR) and in response to hemorrhage in hypertensive sheep with chronic kidney disease (CKD). DESIGN AND METHOD: Hypertension and CKD was induced in sheep by performing fetal unilateral nephrectomy (CKD; N = 14)...
September 2016: Journal of Hypertension
Matthew Weir, George L Bakris, Coleman Gross, Martha R Mayo, Dahlia Garza, Jinwei Yuan, Lance Berman, Gordon H Williams
OBJECTIVE: Elevated serum aldosterone can be vasculotoxic and facilitates cardiorenal damage. Renin-angiotensin-aldosterone inhibitors (RAASi) reduce serum aldosterone levels and/or block its effects but can cause hyperkalemia (HK). Patiromer, a nonabsorbed potassium binder, decreases serum potassium (K) in CKD patients on RAASi. We examined the effect of patiromer on serum aldosterone levels, plasma renin activity (PRA), systolic (SBP) and diastolic blood pressure (DBP), and urinary albumin-to-creatinine ratio (UACR) in CKD patients on RAASi with HK (serum K 5...
September 2016: Journal of Hypertension
A V Vatazin, A B Zul'karnaev
AIM: to comparatively assess desensitization schemes with and without plasmapheresis in patients with low presensitization. SUBJECTS AND METHODS: The investigators studied the efficiency of the two desensitization schemes (cascade plasma filtration + intravenous immunoglobulin used in a dose of 100 mg/kg in 19 patients (a study group; panel reactive antibodies (PRA) 25.1±6.1%) versus 2 g/kg in 23 patients (a comparison group, PRA 18.9±4.4%). The crossmatch reaction was negative in both groups...
2016: Terapevticheskiĭ Arkhiv
Nigar Dursun, Tugba Gokbel, Melike Akarsu, Erbil Dursun
OBJECTIVE: Physical therapy (PT) and botulinum toxin-A (BTX-A) injections are widely used in the treatment of spastic equinus foot due to cerebral palsy. The aim of this study was to show effects of intermittent serial casting (SC) in addition to standard treatment on spasticity, passive range of motion (PROM), and gait. DESIGN: Fifty-one ambulatory patients, treated by BTX-A to plantar flexor muscles, were randomly assigned to casting or control groups in a 2:1 ratio...
September 14, 2016: American Journal of Physical Medicine & Rehabilitation
Caroline Gusson Shimoura, Gisele Silvério Lincevicius, Erika Emy Nishi, Adriana Castello Costa Girardi, Karin Argenti Simon, Cassia de Toledo Bergamaschi, Ruy Ribeiro Campos
BACKGROUND: Renovascular hypertension (2-kidney 1-clip model (2K1C)) is characterized by renin-angiotensin system (RAS) activation. Increased Angiotensin II (AngII) leads to sympathoexcitation, oxidative stress, and alterations in sodium and water balance. AIM: The aim of this study was to evaluate whether a discrete increase in sodium chloride intake in 2K1C rats leads to changes in cardiovascular and autonomic function, oxidative stress, and renin angiotensin aldosterone system...
September 14, 2016: American Journal of Hypertension
Sandeep Kumar Vashist, E Marion Schneider, Eberhard Barth, John H T Luong
A surface plasmon resonance (SPR) biosensor has been developed for rapid immunoassay of procalcitonin (PCT) with high detection sensitivity and reproducibility. The 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (EDC)-activated protein A (PrA), diluted in 1% (v/v) 3-aminopropyltriethoxysilane (APTES) was dispensed on a KOH-treated Au-coated SPR chip, resulting in the covalent binding of PrA in 30 min. This "single-step" PrA immobilization strategy led to the oriented binding of the anti-PCT antibody (Ab) on a PrA-functionalized gold (Au) chip...
September 28, 2016: Analytica Chimica Acta
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