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https://www.readbyqxmd.com/read/28403012/can-vertical-integration-reduce-hospital-readmissions-a-difference-in-differences-approach
#1
Sílvia Lopes, Óscar B Fernandes, Ana Patrícia Marques, Bruno Moita, João Sarmento, Rui Santana
BACKGROUND: Vertical integration is expected to improve communication and coordination between inpatient care and care after discharge. Despite being used across health systems worldwide, evidence about its impact on readmissions is sparse and contradictory. OBJECTIVE: To assess the impact of vertical integration on hospital readmissions. RESEARCH DESIGN, SUBJECTS, AND MEASURES: Using difference-in-differences we compared readmissions before and after vertical integration in 6 Portuguese hospitals for years 2004-2013...
May 2017: Medical Care
https://www.readbyqxmd.com/read/28396682/heterologous-fibrin-sealant-derived-from-snake-venom-from-bench-to-bedside-an-overview
#2
REVIEW
Rui Seabra Ferreira, Luciana Curtolo de Barros, Luciana Patrícia Fernandes Abbade, Silvia Regina Catharino Sartori Barraviera, Maria Regina Cavariani Silvares, Leticia Gomes de Pontes, Lucilene Delazari Dos Santos, Benedito Barraviera
Hemostatic and adhesive agents date back to World War II, when homologous fibrin sealant came onto scene. Considering that infectious diseases can be transmitted via human blood, a new heterologous fibrin sealant was standardized in the 1990s. Its components were a serine protease (a thrombin-like enzyme) extracted from the venom of Crotalus durissus terrificus snakes and a fibrinogen-rich cryoprecipitate extracted from the blood of Bubalus bubalis buffaloes. This new bioproduct has been used as a coagulant, sealant, adhesive and recently as a candidate scaffold for mesenchymal stem cells and bone and cartilage repair...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28365406/a-proteomic-and-ultrastructural-characterization-of-aspergillus-fumigatus-conidia-adaptation-at-different-culture-ages
#3
Sandra I Anjo, Francisco Figueiredo, Rui Fernandes, Bruno Manadas, Manuela Oliveira
The airborne fungus Aspergillus fumigatus is one of the most common agents of human fungal infections with a remarkable impact on public health. However, A. fumigatus conidia atmospheric resistance and longevity mechanisms are still unknown. Therefore, in this work, the processes underlying conidial adaptation were studied by a time course evaluation of the proteomics and ultrastructural changes of A. fumigatus' conidia at three time-points selected according to relevant changes previously established in conidial survival rates...
March 29, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28349900/structural-monitoring-and-modeling-of-the-mechanical-deformation-of-three-dimensional-printed-poly-%C3%AE%C2%B5-caprolactone-scaffolds
#4
João Ribeiro, Sara Oliveira, José Alves, Adriano Pedro, Rui Reis, Emanuel M Fernandes, Joao Mano
Three-dimensional (3D) printed poly(ε-caprolactone) (PCL) based scaffolds have being proposed for different tissue engineering applications. This study addresses the design and fabrication of 3D PCL constructs with different struts alignments at 90º, 45º and 90º with offset. The morphology and the mechanical behavior under uniaxial compressive load were assessed at different strain percentages. The combination of a new XtremeCT compression device and micro computed tomography (micro-CT) allowed understanding the influence of pore geometry under controlled compressive strain in the mechanical and structural behavior of PCL constructs...
March 28, 2017: Biofabrication
https://www.readbyqxmd.com/read/28348206/high-throughput-identification-of-small-molecules-that-affect-human-embryonic-vascular-development
#5
Helena Vazão, Susana Rosa, Tânia Barata, Ricardo Costa, Patrícia R Pitrez, Inês Honório, Margreet R de Vries, Dimitri Papatsenko, Rui Benedito, Daniel Saris, Ali Khademhosseini, Paul H A Quax, Carlos F Pereira, Nadia Mercader, Hugo Fernandes, Lino Ferreira
Birth defects, which are in part caused by exposure to environmental chemicals and pharmaceutical drugs, affect 1 in every 33 babies born in the United States each year. The current standard to screen drugs that affect embryonic development is based on prenatal animal testing; however, this approach yields low-throughput and limited mechanistic information regarding the biological pathways and potential adverse consequences in humans. To develop a screening platform for molecules that affect human embryonic development based on endothelial cells (ECs) derived from human pluripotent stem cells, we differentiated human pluripotent stem cells into embryonic ECs and induced their maturation under arterial flow conditions...
March 27, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28346797/substituted-borosilicate-glasses-with-improved-osteogenic-capacity-for-bone-tissue-engineering
#6
João S Fernandes, Piergiorgio Gentile, Aileen Crawford, Ricardo A Pires, Paul V Hatton, Rui L Reis
Borosilicate bioactive glasses (BBGs) have shown the capacity to promote higher formation of new bone when compared with silicate bioactive glasses. Herein, we assessed the capacity of BBGs to induce osteogenic differentiation of bone marrow mesenchymal stem cells (BM-MSCs) as a function of their substituted divalent cations (Mg(2+), Ca(2+), Sr(2+)). To this purpose, we synthesized BBG particles by melt quenching. The cell viability, proliferation, and morphology (i.e., PrestoBlue(®), PicoGreen(®), and DAPI and Phalloidin stainings, respectively), as well as protein expression (i...
March 27, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28338311/validation-of-self-confidence-scale-for-clean-urinary-intermittent-self-catheterization-for-patients-and-health-caregivers
#7
Cintia Fernandes Baccarin Biaziolo, Alessandra Mazzo, José Carlos Amado Martins, Beatriz Maria Jorge, Rui Carlos Negrão Batista, Silvio Júnior Tucci
OBJECTIVE: To validate a measurement instrument for clean intermittent self-catheterization for patients and health-caregivers. MATERIAL AND METHODS: Methodological study of instrument validation performed at a Rehabilitation Center in a University hospital for patients submitted to clean intermittent self-catheterization and their health-caregivers. Following ethical criteria, data were collected during interview with nurse staff using a Likert question form containing 16 items with 5 points each: "no confidence"=1, "little confidence"=2, "confident"=3, "very confident"=4 and "completely confident"=5...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28302562/dysregulated-expression-of-microrna-150-in-human-papillomavirus-induced-lesions-of-k14-hpv16-transgenic-mice
#8
Joana M O Santos, Mara Fernandes, Rita Araújo, Hugo Sousa, Joana Ribeiro, Margarida M S M Bastos, Paula A Oliveira, Diogo Carmo, Fátima Casaca, Sandra Silva, Ana L Teixeira, Rui M Gil da Costa, Rui Medeiros
AIMS: High-risk human papillomavirus (HPV) infection is one of the major causes of infection-related cancers worldwide. MicroRNAs (miRNAs) are a family of non-coding RNAs (ncRNAs), whose dysregulated levels may cause an aberrant expression of genes involved in oncogenic pathways and consequently lead to cancer development. This is the case of the miRNA-150 (miR-150), whose expression in HPV-induced lesions remains unclear and the present work aims to clarify it. We employed K14-HPV16 mice, which express the early genes of HPV16 in basal keratinocytes, leading to the development of hyperplastic and dysplastic skin lesions and squamous cell carcinomas, and are a representative model of HPV-induced cancers...
April 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28299908/the-drugage-database-of-aging-related-drugs
#9
Diogo Barardo, Daniel Thornton, Harikrishnan Thoppil, Michael Walsh, Samim Sharifi, Susana Ferreira, Andreja Anžič, Maria Fernandes, Patrick Monteiro, Tjaša Grum, Rui Cordeiro, Evandro Araújo De-Souza, Arie Budovsky, Natali Araujo, Jan Gruber, Michael Petrascheck, Vadim E Fraifeld, Alexander Zhavoronkov, Alexey Moskalev, João Pedro de Magalhães
Aging is a major worldwide medical challenge. Not surprisingly, identifying drugs and compounds that extend lifespan in model organisms is a growing research area. Here, we present DrugAge (http://genomics.senescence.info/drugs/), a curated database of lifespan-extending drugs and compounds. At the time of writing, DrugAge contains 1316 entries featuring 418 different compounds from studies across 27 model organisms, including worms, flies, yeast and mice. Data were manually curated from 324 publications. Using drug-gene interaction data, we also performed a functional enrichment analysis of targets of lifespan-extending drugs...
March 16, 2017: Aging Cell
https://www.readbyqxmd.com/read/28268795/a-novel-portable-low-cost-kinect-based-system-for-motion-analysis-in-neurological-diseases
#10
Joao Paulo Silva Cunha, Ana Patricia Rocha, Hugo Miguel Pereira Choupina, Jose Maria Fernandes, Maria Jose Rosas, Rui Vaz, Felix Achilles, Anna Mira Loesch, Christian Vollmar, Elisabeth Hartl, Soheyl Noachtar
Many neurological diseases, such as Parkinson's disease and epilepsy, can significantly impair the motor function of the patients, often leading to a dramatic loss of their quality of life. Human motion analysis is regarded as fundamental towards an early diagnosis and enhanced follow-up in this type of diseases. In this contribution, we present NeuroKinect, a novel system designed for motion analysis in neurological diseases. This system includes an RGB-D camera (Microsoft Kinect) and two integrated software applications, KiT (KinecTracker) and KiMA (Kinect Motion Analyzer)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268666/the-effect-of-inter-electrode-distance-on-the-electric-field-distribution-during-transcutaneous-lumbar-spinal-cord-direct-current-stimulation
#11
Rui Bastos, Sofia R Fernandes, Ricardo Salvador, Cornelia Wenger, Mamede A de Carvalho, Pedro C Miranda
Previous studies have indicated potential neuromodulation of the spinal circuitry by transcutaneous spinal direct current stimulation (tsDCS), such as changes in motor unit recruitment, shortening of the peripheral silent period and interference with supraspinal input to lower motor neurons. All of these effects were dependent on the polarity of the electrodes. The present study investigates how the distance between the electrodes during tsDCS influences the electric field's (E-field) spatial distribution in the lumbar and sacral spinal cord (SC)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226989/a-novel-portable-low-cost-kinect-based-system-for-motion-analysis-in-neurological-diseases
#12
Joao Paulo Silva Cunha, Ana Patricia Rocha, Hugo Miguel Pereira Choupina, Jose Maria Fernandes, Maria Jose Rosas, Rui Vaz, Felix Achilles, Anna Mira Loesch, Christian Vollmar, Elisabeth Hartl, Soheyl Noachtar, Joao Paulo Silva Cunha, Ana Patricia Rocha, Hugo Miguel Pereira Choupina, Jose Maria Fernandes, Maria Jose Rosas, Rui Vaz, Felix Achilles, Anna Mira Loesch, Christian Vollmar, Elisabeth Hartl, Soheyl Noachtar, Christian Vollmar, Ana Patricia Rocha, Elisabeth Hartl, Rui Vaz, Hugo Miguel Pereira Choupina, Soheyl Noachtar, Felix Achilles, Anna Mira Loesch, Jose Maria Fernandes, Joao Paulo Silva Cunha, Maria Jose Rosas
Many neurological diseases, such as Parkinson's disease and epilepsy, can significantly impair the motor function of the patients, often leading to a dramatic loss of their quality of life. Human motion analysis is regarded as fundamental towards an early diagnosis and enhanced follow-up in this type of diseases. In this contribution, we present NeuroKinect, a novel system designed for motion analysis in neurological diseases. This system includes an RGB-D camera (Microsoft Kinect) and two integrated software applications, KiT (KinecTracker) and KiMA (Kinect Motion Analyzer)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226850/the-effect-of-inter-electrode-distance-on-the-electric-field-distribution-during-transcutaneous-lumbar-spinal-cord-direct-current-stimulation
#13
Rui Bastos, Sofia R Fernandes, Ricardo Salvador, Cornelia Wenger, Mamede A de Carvalho, Pedro C Miranda, Rui Bastos, Sofia R Fernandes, Ricardo Salvador, Cornelia Wenger, Mamede A de Carvalho, Pedro C Miranda, Pedro C Miranda, Rui Bastos, Cornelia Wenger, Ricardo Salvador, Mamede A de Carvalho, Sofia R Fernandes
Previous studies have indicated potential neuromodulation of the spinal circuitry by transcutaneous spinal direct current stimulation (tsDCS), such as changes in motor unit recruitment, shortening of the peripheral silent period and interference with supraspinal input to lower motor neurons. All of these effects were dependent on the polarity of the electrodes. The present study investigates how the distance between the electrodes during tsDCS influences the electric field's (E-field) spatial distribution in the lumbar and sacral spinal cord (SC)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28196206/regression-of-iris-metastasis-after-systemic-treatment-with-melanoma-targeted-therapy
#14
Cristina Fonseca, Júlia Fernandes, Rui Proença
No abstract text is available yet for this article.
February 9, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28180043/preoperative-protective-endovascular-covered-stent-placement-followed-by-surgery-for-management-of-the-cervical-common-and-internal-carotid-arteries-with-tumor-encasement
#15
Michael R Markiewicz, Phillip Pirgousis, Curtis Bryant, James C Cunningham, Roi Dagan, Sukhwinder J Sandhu, Daniel A Siragusa, Arun Gopinath, Rui Fernandes
Objective The objective of this study was to report the outcomes on a preliminary cohort of patients with tumor encasement of either, or both, the cervical internal carotid artery (ICA) and common carotid artery (CCA) following preoperative covered stent placement and surgical resection. Setting This study was set at the University of Florida College of Medicine, Jacksonville, FL. Participants Subjects who received preoperative stenting of the cervical ICA/CCA before surgical resection of head and neck tumors between April 1, 2015, and July 31, 2015 were participated...
February 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28128745/endothelial-dysfunction-microvascular-damage-and-ischemic-peripheral-vasculopathy-in-systemic-sclerosis
#16
Ivone Fernandes Santos da Silva, Andreia Teixeira, José Oliveira, Rui Almeida, Carlos Vasconcelos
OBJECTIVE: To evaluate endothelial dysfunction and microvascular damage in secondary Raynaud Phenomenon (SRP) and Systemic sclerosis (SSc)-associated patients as possible predictors of ischemic fingertip digital ulcers (DU) in a 3-year clinical follow-up. METHODS: Flow-mediated dilatation (FMD), nailfold videocapillaroscopy (NVC), endothelin-1 (ET-1) and asymmetric dimethylarginine (ADMA) were analysed in a 3-year observational cohort study of 77 SRP patients with systemic sclerosis...
January 27, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28099639/failure-to-activate-the-in-hospital-emergency-team-causes-and-outcomes
#17
Vera Barbosa, Ernestina Gomes, Senio Vaz, Gustavo Azevedo, Gonçalo Fernandes, Amélia Ferreira, Rui Araujo
Objective: To determine the incidence of afferent limb failure of the in-hospital Medical Emergency Team, characterizing it and comparing the mortality between the population experiencing afferent limb failure and the population not experiencing afferent limb failure. Methods: A total of 478 activations of the Medical Emergency Team of Hospital Pedro Hispano occurred from January 2013 to July 2015. A sample of 285 activations was obtained after excluding incomplete records and activations for patients with less than 6 hours of hospitalization...
October 2016: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28094806/plant-toxin-%C3%AE-odap-activates-integrin-%C3%AE-1-and-focal-adhesion-a-critical-pathway-to-cause-neurolathyrism
#18
Rui-Yue Tan, Geng-Yan Xing, Guang-Ming Zhou, Feng-Min Li, Wen-Tao Hu, Fernand Lambein, Jun-Lan Xiong, Sheng-Xiang Zhang, Hai-Yan Kong, Hao Zhu, Zhi-Xiao Li, You-Cai Xiong
Neurolathyrism is a unique neurodegeneration disease caused by β-N-oxalyl-L-α, β- diaminopropionic (β-ODAP) present in grass pea seed (Lathyrus stativus L.) and its pathogenetic mechanism is unclear. This issue has become a critical restriction to take full advantage of drought-tolerant grass pea as an elite germplasm resource under climate change. We found that, in a human glioma cell line, β-ODAP treatment decreased mitochondrial membrane potential, leading to outside release and overfall of Ca(2+) from mitochondria to cellular matrix...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27987706/wetspun-poly-l-lactic-acid-borosilicate-bioactive-glass-scaffolds-for-guided-bone-regeneration
#19
João S Fernandes, Rui L Reis, Ricardo A Pires
We developed a porous poly-L-lactic acid (PLLA) scaffold compounded with borosilicate bioactive glasses (BBGs) endowing it with bioactive properties. Porous PLLA-BBG fibre mesh scaffolds were successfully prepared by the combination of wet spinning and fibre bonding techniques. Micro-computed tomography (μCT) confirmed that the PLLA-BBG scaffolds containing ≈25% of BBGs (w/w) exhibited randomly interconnected porous (58 to 62% of interconnectivity and 53 to 67% of porosity) with mean pore diameters higher that 100μm...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27933037/blad-containing-oligomer-fungicidal-activity-on-human-pathogenic-yeasts-from-the-outside-to-the-inside-of-the-target-cell
#20
Ana M Pinheiro, Alexandra Carreira, Filipe Rollo, Rui Fernandes, Ricardo B Ferreira, Sara A Monteiro
Blad polypeptide comprises residues 109-281 of Lupinus albus β-conglutin precursor. It occurs naturally as a major subunit of an edible, 210 kDa oligomer which accumulates to high levels, exclusively in the cotyledons of Lupinus seedlings between the 4th and 14th day after the onset of germination. Blad-containing oligomer (BCO) exhibits a potent and broad spectrum fungicide activity toward plant pathogens and is now on sale in the US under the tradename Fracture(TM). In this work we demonstrate its antifungal activity toward human pathogens and provide some insights on its mode of action...
2016: Frontiers in Microbiology
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