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Automated PD

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https://www.readbyqxmd.com/read/28531904/routine-monitoring-of-sodium-and-phosphorus-removal-in-peritoneal-dialysis-pd-patients-treated-with-continuous-ambulatory-pd-capd-automated-pd-apd-or-combined-capd-apd
#1
Veronika Moor, Robert Wagner, Michael Sayer, Marlies Petsch, Sandra Rueb, Hans-Ulrich Häring, Nils Heyne, Ferruh Artunc
BACKGROUND: Adequate removal of sodium (Na) and phosphorus (P) is of paramount importance for patients with dialysis-dependent kidney disease can easily quantified in peritoneal dialysis (PD) patients. Some studies suggest that automated PD (APD) results in lower Na and P removal. METHODS: In this study we retrospectively analysed our data on Na and P removal in PD patients after implementation of a routine monitoring in 2011. Patients were stratified in those treated with continuous ambulatory PD (CAPD, n=24), automated PD (APD, n=23) and APD with one bag change (CAPD+APD, n=10)...
May 25, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28507793/composite-biomarkers-defined-by-multiparametric-immunofluorescence-analysis-identify-alk-positive-adenocarcinoma-as-a-potential-target-for-immunotherapy
#2
Hélène Roussel, Eléonore De Guillebon, Lucie Biard, Marion Mandavit, Laure Gibault, Elisabeth Fabre, Martine Antoine, Paul Hofman, Michèle Beau-Faller, Hélène Blons, Claire Danel, Françoise Le Pimpec Barthes, Alain Gey, Clémence Granier, Marie Wislez, Pierre Laurent-Puig, Stéphane Oudard, Patrick Bruneval, Cécile Badoual, Jacques Cadranel, Eric Tartour
Anaplastic lymphoma kinase (ALK) inhibitors have been successfully developed for non-small cell lung carcinoma (NSCLC) displaying chromosomal rearrangements of the ALK gene, but unfortunately resistance invariably occurs. Blockade of the PD-1-PD-L1/2 inhibitory pathway constitutes a breakthrough for the treatment of NSCLC. Some predictive biomarkers of clinical response to this therapy are starting to emerge, such as PD-L1 expression by tumor/stromal cells and infiltration by CD8(+) T cells expressing PD-1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28500518/incremental-start-to-pd-as-experienced-in-italy-results-of-censuses-carried-out-from-2005-to-2014
#3
Loris Neri, Giusto Viglino, Giancarlo Marinangeli, Anna Rachele Rocca, Alessandro Laudon, Antonino Ragusa, Gianfranca Cabiddu
BACKGROUND: It is not known how widely used in Italy an incremental start to in peritoneal dialysis (Incr-PD) is. METHODS: By analyzing the peritoneal dialysis (PD) censuses conducted by the PD Study Group (GSDP-SIN) for the years 2005, 2008, 2010, 2012 and 2014 in all the Centers performing PD in Italy, the use of Incr-PD, i.e. continuous ambulatory peritoneal dialysis (CAPD) with 1 or 2 exchanges/day or automated peritoneal dialysis (APD) with 3-4 sessions/week, was examined among incident PD patients...
May 12, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28493868/vertical-ground-reaction-force-marker-for-parkinson-s-disease
#4
Md Nafiul Alam, Amanmeet Garg, Tamanna Tabassum Khan Munia, Reza Fazel-Rezai, Kouhyar Tavakolian
Parkinson's disease (PD) patients regularly exhibit abnormal gait patterns. Automated differentiation of abnormal gait from normal gait can serve as a potential tool for early diagnosis as well as monitoring the effect of PD treatment. The aim of current study is to differentiate PD patients from healthy controls, on the basis of features derived from plantar vertical ground reaction force (VGRF) data during walking at normal pace. The current work presents a comprehensive study highlighting the efficacy of different machine learning classifiers towards devising an accurate prediction system...
2017: PloS One
https://www.readbyqxmd.com/read/28487107/magnetic-resonance-parkinsonism-index-and-midbrain-to-pons-ratio-which-index-better-distinguishes-progressive-supranuclear-palsy-patients-with-a-low-degree-of-diagnostic-certainty-from-patients-with-parkinson-disease
#5
Salvatore Nigro, Maurizio Morelli, Gennarina Arabia, Rita Nisticò, Fabiana Novellino, Maria Salsone, Federico Rocca, Aldo Quattrone
INTRODUCTION: Several studies have compared the performances of midbrain to pons area ratio (M/P) and the Magnetic Resonance Parkinsonism Index (MRPI) in distinguishing patients with Progressive Supranuclear Palsy (PSP) from those with Parkinson's disease (PD) with conflicting results. The current study aimed to compare the performance of these indexes in a well-characterized sample of PSP patients using either a manual or a fully automated approach to measure the brainstem structures involved in M/P and MRPI calculation...
May 3, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28460995/three-dimensional-photography-for-quantitative-assessment-of-penile-volume-loss-deformities-in-peyronie-s-disease
#6
Ezra J Margolin, Carrie M Mlynarczyk, John P Mulhall, Doron S Stember, Peter J Stahl
BACKGROUND: Non-curvature penile deformities are prevalent and bothersome manifestations of Peyronie's disease (PD), but the quantitative metrics that are currently used to describe these deformities are inadequate and non-standardized, presenting a barrier to clinical research and patient care. AIM: To introduce erect penile volume (EPV) and percentage of erect penile volume loss (percent EPVL) as novel metrics that provide detailed quantitative information about non-curvature penile deformities and to study the feasibility and reliability of three-dimensional (3D) photography for measurement of quantitative penile parameters...
April 28, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28449901/diagnostic-rem-sleep-muscle-activity-thresholds-in-patients-with-idiopathic-rem-sleep-behavior-disorder-with-and-without-obstructive-sleep-apnea
#7
Stuart J McCarter, Erik K St Louis, David J Sandness, Ethan J Duwell, Paul C Timm, Bradley F Boeve, Michael H Silber
OBJECTIVES: We aimed to determine whether visual and automated rapid eye movement (REM) sleep without atonia (RSWA) methods could accurately diagnose patients with idiopathic REM sleep behavior disorder (iRBD) and comorbid obstructive sleep apnea (OSA). METHODS: In iRBD patients (n = 15) and matched controls (n = 30) with and without OSA, we visually analyzed RSWA phasic burst durations, phasic, tonic, and "any" muscle activity by 3-s mini-epochs, phasic activity by 30-s (AASM rules) epochs, and automated REM atonia index (RAI)...
May 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28446544/cellular-expression-of-pd-l1-in-the-peripheral-blood-of-lung-cancer-patients-is-associated-with-worse-survival
#8
Daniel J Boffa, Ryon P Graf, Michelle C Salazar, Jessica Hoag, David Lu, Rachel Krupa, Jessica Louw, Lyndsey Dugan, Yipeng Wang, Mark Landers, Mahipal Suraneni, Stephanie B Greene, Samir Makani, Marisa Magaña, Lyudmila Bazhenova, Ryan V Dittamore, Jorge Nieva
BACKGROUND: Lung cancer treatment has become increasingly dependent upon invasive biopsies to profile tumors for personalized therapy. Recently, tumor expression of PD-L1 has gained interest as a potential predictor of response to immunotherapy. Circulating biomarkers present an opportunity for tumor profiling without the risks of invasive procedures. We characterized PD-L1 expression within populations of nucleated cells in the peripheral blood of lung cancer patients in hopes of expanding the role of liquid biopsy in this setting...
April 26, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28433601/volumetric-versus-unidimensional-measures-of-metastatic-colorectal-cancer-in-assessing-disease-response
#9
Meghan G Lubner, Nicholas Stabo, Sam J Lubner, Alejandro Munoz Del Rio, Chihwa Song, Perry J Pickhardt
INTRODUCTION: The purpose of this study was to compare unidimensional (1D/linear) and volumetric (3D) measures of metastatic colorectal cancer (mCRC) at computed tomography (CT) for predicting clinical outcome. PATIENTS AND METHODS: Analysis of CT images in 105 patients (mean age, 59 years; range, 25-81 years; 45 women, 60 men) receiving treatment for mCRC was performed. Both unidimensional and volumetric measures were obtained on index lesions at 3 time points (baseline/midpoint/post-therapy; mean interval, 4...
March 27, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28366347/sleep-disturbance-in-pediatric-patients-on-automated-peritoneal-dialysis
#10
Cláudia Gomes, Lia Oliveira, Rosário Ferreira, Carla Simão
OBJECTIVE: There are few reports describing sleep disturbance (SD) in children on automated peritoneal dialysis (APD), and they are mostly based on the application of questionnaires. As far as we know, only two studies used polysomnography (PSG), the gold standard for the diagnosis of SD. This is the first study assessing SD in children with chronic kidney disease (CKD) on APD in our country. METHODS: This was an observational and descriptive study. Children up to 18 years of age who had undergone APD for a minimum of three months were considered eligible...
April 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28348100/effects-of-conversion-to-a-bicarbonate-lactate-buffered-neutral-ph-low-gdp-pd-regimen-in-prevalent-pd-a-2-year-randomized-clinical-trial
#11
Karima Farhat, Caroline Douma, Evelina Ferrantelli, Pieter M Ter Wee, Robert H Beelen, Frans J van Ittersum
♦ Background: The use of pH-neutral peritoneal dialysis (PD) fluids low in glucose degradation products (GDP) may better preserve the peritoneal membrane and have fewer systemic effects. The effects of conversion from conventional to neutral-pH, low-GDP PD fluids in prevalent patients are unclear. Few studies on the role of neutral-pH, low-GDP PD have studied residual renal function, ultrafiltration, peritonitis incidence and technique failure, transport characteristics, and local and systemic markers of inflammation in prevalent PD patients...
March 27, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28326165/neurochemical-and-motor-changes-in-mice-with-combined-mutations-linked-to-parkinson-s-disease
#12
Xiang Bai, Margaret Chia-Ying Wey, Paul Anthony Martinez, Chao Shi, Elizabeth Fernandez, Randy Strong
Considerable evidence suggests that oxidative stress plays a role in the pathogenesis of Parkinson's disease (PD), the most prevalent neurodegenerative movement disorder. Reduced expression of aldehyde dehydrogenase-1 (ALDH1) and glutathione peroxidase-1 (GPX1), enzymes that function to detoxify aldehydes and hydroxyl radicals, respectively, has been reported in the substantia nigra of patients who died with PD. To determine whether deficiency in these two genes contributes to the pathogenesis of PD, mice were generated with homozygous null mutations of both Aldh1a1 (the murine homolog of ALDH1) and Gpx1 genes [knockout (KO) mice]...
2017: Pathobiology of Aging & Age related Diseases
https://www.readbyqxmd.com/read/28325860/economic-costs-of-automated-and-continuous-ambulatory-peritoneal-dialysis-in-taiwan-a-combined-survey-and-retrospective-cohort-analysis
#13
Chao-Hsiun Tang, Yu-Ting Wu, Siao-Yuan Huang, Hsi-Hsien Chen, Ming-Ju Wu, Bang-Gee Hsu, Jer-Chia Tsai, Tso-Hsiao Chen, Yuh-Mou Sue
OBJECTIVES: Taiwan succeeded in raising the proportion of peritoneal dialysis (PD) usage after the National Health Insurance (NHI) payment scheme introduced financial incentives in 2005. This study aims to compare the economic costs between automated PD (APD) and continuous ambulatory PD (CAPD) modalities from a societal perspective. DESIGN AND SETTING: A retrospective cohort of patients receiving PD from the NHI Research Database was identified during 2004-2011...
March 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28315844/cerebral-glucose-metabolism-and-cognition-in-newly-diagnosed-parkinson-s-disease-icicle-pd-study
#14
M J Firbank, A J Yarnall, R A Lawson, G W Duncan, T K Khoo, G S Petrides, J T O'Brien, R A Barker, R J Maxwell, D J Brooks, D J Burn
OBJECTIVE: To assess reductions of cerebral glucose metabolism in Parkinson's disease (PD) with 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET), and their associations with cognitive decline. METHODS: FDG-PET was performed on a cohort of 79 patients with newly diagnosed PD (mean disease duration 8 months) and 20 unrelated controls. PD participants were scanned while on their usual dopaminergic medication. Cognitive testing was performed at baseline, and after 18 months using the Cognitive Drug Research (CDR) and Cambridge Neuropsychological Test Automated Battery (CANTAB) computerised batteries, the Mini-Mental State Examination (MMSE), and the Montreal Cognitive Assessment (MoCA)...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28268412/towards-holistic-free-living-assessment-in-parkinson-s-disease-unification-of-gait-and-fall-algorithms-with-a-single-accelerometer
#15
Alan Godfrey, Alan Bourke, Silvia Del Din, Rosie Morris, Aodhan Hickey, Jorunn L Helbostad, Lynn Rochester
Technological developments have seen the miniaturization of sensors, small enough to be embedded in wearable devices facilitating unobtrusive and longitudinal monitoring in free-living environments. Concurrently, the advances in algorithms have been ad-hoc and fragmented. To advance the mainstream use of wearable technology and improved functionality of algorithms all methodologies must be unified and robustly tested within controlled and free-living conditions. Here we present and unify a (i) gait segmentation and analysis algorithm and (ii) a fall detection algorithm...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28256439/automated-bone-subtraction-image-analysis-software-package-for-improved-and-faster-ct-monitoring-of-longitudinal-spine-involvement-in-patients-with-multiple-myeloma
#16
Marius Horger, Hendrick Ditt, Shu Liao, Katja Weisel, Jan Fritz, Wolfgang M Thaiss, Sascha Kaufmann, Konstantin Nikolaou, Christopher Kloth
RATIONALE AND OBJECTIVES: The study aimed to assess the diagnostic benefit of a novel computed tomography (CT) post-processing software generating subtraction maps of longitudinal non-enhanced CT examinations for monitoring the course of myeloma bone disease in the spine. MATERIALS AND METHODS: The local institutional review board approved the retrospective data evaluation. Included were 82 consecutive myeloma patients (46 male; mean age, 65.08 ± 9.76) who underwent 188 repeated whole-body reduced-dose Multislice Detector Computed Tomography (MDCT) at our institution between December 2013 and January 2016...
May 2017: Academic Radiology
https://www.readbyqxmd.com/read/28254588/connecting-imaging-mass-spectrometry-and-magnetic-resonance-imaging-based-anatomical-atlases-for-automated-anatomical-interpretation-and-differential-analysis
#17
Nico Verbeeck, Jeffrey M Spraggins, Monika J M Murphy, Hui-Dong Wang, Ariel Y Deutch, Richard M Caprioli, Raf Van de Plas
Imaging mass spectrometry (IMS) is a molecular imaging technology that can measure thousands of biomolecules concurrently without prior tagging, making it particularly suitable for exploratory research. However, the data size often makes thorough extraction of relevant information impractical. To help guide and accelerate IMS data analysis, we recently developed a framework that integrates IMS measurements with anatomical atlases, opening up opportunities for anatomy-driven exploration of IMS data. One example is the automated anatomical interpretation of ion images, where empirically measured ion distributions are automatically decomposed into their underlying anatomical structures...
February 27, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28240402/in-vivo-detection-of-lateral-ventral-tier-nigral-degeneration-in-parkinson-s-disease
#18
Daniel E Huddleston, Jason Langley, Jan Sedlacik, Kai Boelmans, Stewart A Factor, Xiaoping P Hu
The objective of this study was to measure neuromelanin-sensitive MRI contrast changes in the lateral-ventral tier of substantia nigra pars compacta in Parkinson's disease (PD). Histopathological studies of PD have demonstrated both massive loss of melanized dopamine neurons and iron accumulation in the substantia nigra pars compacta. Neurodegeneration is most profound in the lateral-ventral tier of this structure. We have previously shown in both healthy controls and individuals with PD that neuromelanin-sensitive MRI and iron-sensitive MRI contrast regions in substantia nigra overlap...
May 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28226582/towards-holistic-free-living-assessment-in-parkinson-s-disease-unification-of-gait-and-fall-algorithms-with-a-single-accelerometer
#19
Alan Godfrey, Alan Bourke, Silvia Del Din, Rosie Morris, Aodhan Hickey, Jorunn L Helbostad, Lynn Rochester, Alan Godfrey, Alan Bourke, Silvia Del Din, Rosie Morris, Aodhan Hickey, Jorunn L Helbostad, Lynn Rochester, Silvia Del Din, Rosie Morris, Alan Godfrey, Lynn Rochester, Jorunn L Helbostad, Aodhan Hickey, Alan Bourke
Technological developments have seen the miniaturization of sensors, small enough to be embedded in wearable devices facilitating unobtrusive and longitudinal monitoring in free-living environments. Concurrently, the advances in algorithms have been ad-hoc and fragmented. To advance the mainstream use of wearable technology and improved functionality of algorithms all methodologies must be unified and robustly tested within controlled and free-living conditions. Here we present and unify a (i) gait segmentation and analysis algorithm and (ii) a fall detection algorithm...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222333/immunoprofiling-as-a-predictor-of-patient-s-response-to-cancer-therapy-promises-and-challenges
#20
REVIEW
Daniel Bethmann, Zipei Feng, Bernard A Fox
Immune cell infiltration is common to many tumors and has been recognized by pathologists for more than 100 years. The application of digital imaging and objective assessment software allowed a concise determination of the type and quantity of immune cells and their location relative to the tumor and, in the case of colon cancer, characterized overall survival better than AJCC TNM staging. Subsequently, expression of PD-L1, by 50% or more tumor cells, identified NSCLC patients with double the response rate to anti-PD-1...
February 18, 2017: Current Opinion in Immunology
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