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https://www.readbyqxmd.com/read/28215052/predicting-pregnancy-outcomes-using-longitudinal-information-a-penalized-splines-mixed-effects-model-approach
#1
Rolando De la Cruz, Claudio Fuentes, Cristian Meza, Dae-Jin Lee, Ana Arribas-Gil
We propose a semiparametric nonlinear mixed-effects model (SNMM) using penalized splines to classify longitudinal data and improve the prediction of a binary outcome. The work is motivated by a study in which different hormone levels were measured during the early stages of pregnancy, and the challenge is using this information to predict normal versus abnormal pregnancy outcomes. The aim of this paper is to compare models and estimation strategies on the basis of alternative formulations of SNMMs depending on the characteristics of the data set under consideration...
February 19, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28215051/-pro-renin-receptor-atp6ap2-depletion-arrests-as4-1-cells-in-the-g0-g1-phase-thereby-increasing-formation-of-primary-cilia
#2
Heike Wanka, Philipp Lutze, Doreen Staar, Barbara Peters, Anica Morch, Lukas Vogel, Ravi Kumar Chilukoti, Georg Homuth, Jaroslaw Sczodrok, Inga Bäumgen, Jörg Peters
The (pro)renin receptor [(P)RR, ATP6AP2] is a multifunctional transmembrane protein that activates local renin-angiotensin systems, but also interacts with Wnt pathways and vacuolar H(+) -ATPase (V-ATPase) during organogenesis. The aim of this study was to characterize the role of ATP6AP2 in the cell cycle in more detail. ATP6AP2 down-regulation by siRNA in renal As4.1 cells resulted in a reduction in the rate of proliferation and a G0/G1 phase cell cycle arrest. We identified a number of novel target genes downstream of ATP6AP2 knock-down that were related to the primary cilium (Bbs-1, Bbs-3, Bbs-7, Rabl5, Ttc26, Mks-11, Mks-5, Mks-2, Tctn2, Nme7) and the cell cycle (Pierce1, Clock, Ppif)...
February 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28215048/unmet-home-healthcare-needs-and-quality-of-life-in-cancer-patients-a%C3%A2-hospital-based-turkish-sample
#3
Gülsen Ataman, Tugrul Erbaydar
Home healthcare services in Turkey are provided primarily to patients that are bedridden or seriously disabled. There are no such services integrated with hospital services that are specifically designed for cancer patients. The present study aimed to explore the home healthcare needs of cancer patients and their experiences related to unmet home healthcare needs. The study included 394 adult cancer patients who were followed up at the surgical oncology department of a university hospital. A 37-item, study-specific questionnaire and the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire for cancer patients (EORTC-QLQ-C30) were administered, and patient clinical records were evaluated...
February 19, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28215047/pharyngeal-swallowing-pressures-in-the-base-of-tongue-and-hypopharynx-regions-identified-with-three-dimensional-manometry
#4
Sarah P Rosen, Corinne A Jones, Timothy M McCulloch
OBJECTIVES: This study aims to use three-dimensional (3D) high-resolution manometry to identify circumferential pressure patterns generated within the asymmetrical base-of-tongue and hypopharynx regions of the pharynx during deglutition. STUDY DESIGN: Case series. METHODS: Radial pressures in the regions of interest were evaluated during swallowing events in 12 healthy subjects using 3D high-resolution manometry. RESULTS: Repeated measures analysis of variance revealed asymmetrical pharyngeal clearance pressures in the base-of-tongue and hypopharynx regions during swallowing...
February 19, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28215044/developing-caring-conversations-in-care-homes-an-appreciative-inquiry
#5
Belinda Dewar, Tamsin MacBride
Relationship-centred practice is key to delivering quality care in care homes. Evidence is strong about the centrality of human interaction in developing relationships that promote dignity and compassion. The Caring Conversations framework is a framework for delivering compassionate care based on human interactions that was developed in the acute healthcare setting. The key attributes are: be courageous, connect emotionally, be curious, consider other perspectives, collaborate, compromise and celebrate. This paper reports on a study to explore its relevance to the care home setting and the development of an educational intervention, based on the framework, to enhance development of human interaction...
February 19, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28215039/impact-of-surgical-experience-on-management-and-outcome-of-pancreatic-surgery-performed-in-high-and-low-volume-centers
#6
Marco Stella, Massimiliano Bissolati, Daniele Gentile, Alessandro Arriciati
Pancreaticoduodenectomy (PD) is one of the procedures in general surgery with the highest rate of life-threatening complications. The positive impact of the volume-outcome ratio on outcomes and mortality in pancreatic surgery (PS) has led to policy-level efforts toward centralization of care for PS that is currently under evaluation by some Regional Health Services. The role of the surgeon's experience and training is still under debate. The aim of this paper is to compare the outcomes of PS by the same surgeon in a high volume (HV) and in a low volume (LV) hospital to assess whether a specific training in PS could outdo the benefits of hospital volume...
February 18, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28215032/nlrp3-inflammasome-activation-regulated-by-nf-%C3%AE%C2%BAb-and-dapk-contributed-to-paraquat-induced-acute-kidney-injury
#7
Zhenning Liu, Xiaokai Wang, Yu Wang, Min Zhao
Paraquat can result in dysfunction of multiple organs after ingestion in human. However, the mechanisms of nucleotide-binding domain and leucine-rich repeat containing protein 3 (NLRP3) inflammasome activation in acute kidney injury have not been clearly demonstrated. The aim of this study was to determine the effect of NLRP3 inflammasome activation and its regulation by nuclear factor-kappa B (NF-κB) and death-associated protein kinase (DAPK). Male Wistar rats were treated with intraperitoneal injection of paraquat at 20 mg/kg, and NF-κB inhibitor BAY 11-7082 was pretreated at 10 mg/kg 1 h before paraquat exposure...
February 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28215018/responses-of-wintering-geese-to-the-designation-of-goose-foraging-areas-in-the-netherlands
#8
Kees Koffijberg, Hans Schekkerman, Henk van der Jeugd, Menno Hornman, Erik van Winden
The Netherlands is important for wintering migratory herbivorous geese, numbers of which have rapidly increased, leading to conflict with agriculture. In 2005/2006, a new goose management policy aimed to limit compensation payments to farmers by concentrating foraging geese in 80 000 ha of designated 'go' areas-where farmers received payment to accommodate them-and scaring geese from 'no go' areas elsewhere. Monthly national counts of four abundant goose species during 10 years prior to the new policy and in 8 years following implementation found that 57% of all goose days were spent within 'go' areas under the new management, the same as prior to implementation...
March 2017: Ambio
https://www.readbyqxmd.com/read/28215015/goose-management-schemes-to-resolve-conflicts-with-agriculture-theory-practice-and-effects
#9
Einar Eythórsson, Ingunn M Tombre, Jesper Madsen
In 2012, the four countries hosting the Svalbard population of pink-footed goose Anser brachyrhynchus along its flyway launched an International Species Management Plan for the population. One of the aims was to reduce conflicts between geese and agriculture to an acceptable level. Since 2006, Norway has offered subsidies to farmers that provide refuge areas for geese on their land. We evaluate the mid-Norwegian goose management subsidy scheme, with a view to its adjustment to prevailing ecological and socio-economic parameters...
March 2017: Ambio
https://www.readbyqxmd.com/read/28215010/key-actions-towards-the-sustainable-management-of-european-geese
#10
David A Stroud, Jesper Madsen, Anthony D Fox
Increasing abundance of geese in North America and Europe constitutes a major conservation success, but has caused increasing conflicts with economic, health and safety interests, as well as ecosystem impacts. Potential conflict resolution through a single, 'one size fits all' policy is hindered by differences in species' ecology, behaviour, abundance and population status, and in contrasting political and socio-economic environments across the flyways. Effective goose management requires coordinated application of a suite of tools from the local level to strategic flyway management actions...
March 2017: Ambio
https://www.readbyqxmd.com/read/28215008/the-greater-snow-goose-anser-caerulescens-atlanticus-managing-an-overabundant-population
#11
Josée Lefebvre, Gilles Gauthier, Jean-François Giroux, Austin Reed, Eric T Reed, Luc Bélanger
Between the early 1900s and the 1990s, the greater snow goose Anser caerulescens atlanticus population grew from 3000 individuals to more than 700 000. Because of concerns about Arctic degradation of natural habitats through overgrazing, a working group recommended the stabilization of the population. Declared overabundant in 1998, special management actions were then implemented in Canada and the United States. Meanwhile, a cost-benefit socioeconomic analysis was performed to set a target population size. Discussions aiming towards attaining a common vision were undertaken with stakeholders at multiple levels...
March 2017: Ambio
https://www.readbyqxmd.com/read/28215006/balancing-ecosystem-function-services-and-disservices-resulting-from-expanding-goose-populations
#12
Ralph Buij, Theodorus C P Melman, Maarten J J E Loonen, Anthony D Fox
As goose populations increase in abundance, their influence on ecological processes is increasing. We review the evidence for key ecological functions of wild goose populations in Eurasia and North America, including aquatic invertebrate and plant propagule transport, nutrient deposition in terrestrial and aquatic ecosystems, the influence of goose populations on vegetation biomass, carbon storage and methane emission, species diversity and disease transmission. To estimate the implications of their growing abundance for humans, we explore how these functions contribute to the provision of ecosystem services and disservices...
March 2017: Ambio
https://www.readbyqxmd.com/read/28214992/data-mining-in-hiv-aids-surveillance-system-application-to-portuguese-data
#13
Alexandra Oliveira, Brígida Mónica Faria, A Rita Gaio, Luís Paulo Reis
The Human Immunodeficiency Virus (HIV) is an infectious agent that attacks the immune system cells. Without a strong immune system, the body becomes very susceptible to serious life threatening opportunistic diseases. In spite of the great progresses on medication and prevention over the last years, HIV infection continues to be a major global public health issue, having claimed more than 36 million lives over the last 35 years since the recognition of the disease. Monitoring, through registries, of HIV-AIDS cases is vital to assess general health care needs and to support long-term health-policy control planning...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28214989/exposure-response-analyses-of-blood-pressure-and-heart-rate-changes-for-methylphenidate-in-healthy-adults
#14
Liang Li, Yaning Wang, Ramana S Uppoor, Mehul U Mehta, Tiffany Farchione, Mitchell V Mathis, Hao Zhu
The aim of the study was to evaluate the exposure-response (E-R) relationships of blood pressure (BP) and heart rate (HR) changes in healthy adults taking methylphenidate (MPH). Intensive time profiles of BP and HR from healthy adults in placebo and MPH treatment arms of seven clinical trials from the FDA internal database were utilized for this analysis. The analysis model contains a circadian component for placebo effect and an E-R component to describe drug effect. Internal validation was performed using goodness-of-fit plots and visual predictive check...
February 18, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28214984/dl-3-n-butylphthalide-nbp-provides-neuroprotection-in-the-mice-models-after-traumatic-brain-injury-via-nrf2-are-signaling-pathway
#15
Zhengwei Liu, Handong Wang, Xiaofeng Shi, Liwen Li, Mengliang Zhou, Hui Ding, Youqing Yang, Xiang Li, Ke Ding
The present study was aimed to evaluate the neuroprotective effects of NBP in the mice models of TBI, as well as the possible role of Nrf2-ARE pathways in the assumptive neuroprotection. In mice,a modified Marmarou's weight-drop model was employed to induce TBI. ICR mice were randomly assigned to four experimental groups: sham, TBI, TBI+vehicle(V) and TBI+NBP. NBP (100 mg/kg) was administered via an intraperitoneal (i.p.) injection at 1 h following TBI. The administration of NBP significantly ameliorated the effects of the brain injury, including neurological deficits, brain water content, and cortical neuronal apoptosis...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214968/piloting-the-use-of-patient-specific-cardiac-models-as-a-novel-tool-to-facilitate-communication-during-cinical-consultations
#16
Giovanni Biglino, Despina Koniordou, Marisa Gasparini, Claudio Capelli, Lindsay-Kay Leaver, Sachin Khambadkone, Silvia Schievano, Andrew M Taylor, Jo Wray
This pilot study aimed to assess the impact of using patient-specific three-dimensional (3D) models of congenital heart disease (CHD) during consultations with adolescent patients. Adolescent CHD patients (n = 20, age 15-18 years, 15 male) were asked to complete two questionnaires during a cardiology transition clinic at a specialist centre. The first questionnaire was completed just before routine consultation with the cardiologist, the second just after the consultation. During the consultation, each patient was presented with a 3D full heart model realised from their medical imaging data...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214967/increased-atrial-%C3%AE-adrenergic-receptors-and-grk-2-gene-expression-can-play-a-fundamental-role-in-heart-failure-after-repair-of-congenital-heart-disease-with-cardiopulmonary-bypass
#17
Marcela Silva Oliveira, Fabio Carmona, Walter V A Vicente, Paulo H Manso, Karina M Mata, Mara Rúbia Celes, Erica C Campos, Simone G Ramos
Surgeries to correct congenital heart diseases are increasing in Brazil and worldwide. However, even with the advances in surgical techniques and perfusion, some cases, especially the more complex ones, can develop heart failure and death. A retrospective study of patients who underwent surgery for correction of congenital heart diseases with cardiopulmonary bypass (CPB) in a university tertiary-care hospital that died, showed infarction in different stages of evolution and scattered microcalcifications in the myocardium, even without coronary obstruction...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214964/speckle-tracking-in-alcapa-patients-after-surgical-repair-as-predictor-of-residual-coronary-disease
#18
Biagio Castaldi, Vladimiro Vida, Elena Reffo, Massimo Padalino, Queenette Daniels, Giovanni Stellin, Ornella Milanesi
Surgical re-implantation of the left coronary artery (LCA) is the treatment of choice in anomalous origin of left coronary artery from pulmonary artery (ALCAPA). Despite normalization of left ventricular function after surgery, residual coronary lesions or myocardial fibrosis may be found. The aim of this study was to detect regional left ventricular dysfunction predictive of coronary lesions or residual myocardial fibrosis using speckle tracking. We enrolled ten patients treated with surgical re-implantation of LCA for ALCAPA...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214950/surgery-for-metastatic-tumors-of-the-pancreas
#19
Taisuke Yagi, Daisuke Hashimoto, Katsunobu Taki, Kensuke Yamamura, Akira Chikamoto, Masaki Ohmuraya, Toru Beppu, Hideo Baba
Metastatic lesion of the pancreas originated from other organs is uncommon. The aim of this report was to evaluate the outcome of surgery in patients with isolated metastases to the pancreas. Nine patients underwent pancreatic resection for metastatic malignant disease from 2000 to 2015 at the Department of Gastroenterological Surgery of the Kumamoto University Hospital. The primary lesion was renal cell carcinoma in 7 cases, colon cancer in 1 and malignant melanoma in 1. The median interval from the initial operation to pancreatic resection was 138 months...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28214945/characterization-of-tunneling-nanotubes-in-wharton-s-jelly-mesenchymal-stem-cells-an-intercellular-exchange-of-components-between-neighboring-cells
#20
Viviana Sanchez, Nerina Villalba, Luciano Fiore, Carlos Luzzani, Santiago Miriuka, Alberto Boveris, Ricardo J Gelpi, Alicia Brusco, Juan José Poderoso
Intercellular communication is one of the most important events in cell population behavior. In the last decade, tunneling nanotubes (TNTs) have been recognized as a new form of long distance intercellular connection. TNT function is to allow molecular and subcellular structure exchange between neighboring cells via the transfer of molecules and organelles such as calcium ions, prions, viral and bacterial pathogens, small lysosomes and mitochondria. New findings support the concept that mesenchymal stem cells (MSCs) can affect cell microenvironment by the release of soluble factors or the transfer of cellular components to neighboring cells, in a way which significantly contributes to cell regulation and tissue repair, although the underlying mechanisms remain poorly understood...
February 18, 2017: Stem Cell Reviews
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