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https://www.readbyqxmd.com/read/28214374/a-systematic-review-of-known-interventions-for-the-treatment-of-chronic-non-hypovolaemic-hypotonic-hyponatraemia-and-a-meta-analysis-of-the-vaptans
#1
REVIEW
Sunil Bhandari, Alessandro Peri, Iain Cranston, Rachael McCool, Alison Shaw, Julie Glanville, Larisa Petrakova, Karl O'Reilly
International and national guidelines on the treatment of chronic non-hypovolaemic hypotonic hyponatraemia differ; therefore we have undertaken this systematic review and meta-analysis to investigate the efficacy and safety of interventions for the treatment of chronic non-hypovolaemic hypotonic hyponatraemia. Following registration of the review protocol with PROSPERO, systematic literature searches were conducted to identify randomised and quasi-randomised controlled trials assessing any degree of fluid restriction or any drug treatment with the aim of increasing serum sodium concentration in patients with chronic non-hypovolaemic hypotonic hyponatraemia...
February 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28214368/evaluation-of-deformable-image-registration-between-external-beam-radiotherapy-and-hdr-brachytherapy-for-cervical-cancer-with-a-3d-printed-deformable-pelvis-phantom
#2
Noriyuki Kadoya, Yuya Miyasaka, Yujiro Nakajima, Yoshihiro Kuroda, Kengo Ito, Mizuki Chiba, Kiyokazu Sato, Suguru Dobashi, Takaya Yamamoto, Noriyoshi Takahashi, Masaki Kubozono, Ken Takeda, Keiichi Jingu
PURPOSE: In this study, we developed a 3D-printed deformable pelvis phantom for evaluating spatial DIR accuracy. We then evaluated the spatial DIR accuracies of various DIR settings for cervical cancer. METHODS: A deformable female pelvis phantom was created based on patient CT data using 3D printing. To create the deformable uterus phantom, we first 3D printed both a model of uterus and a model of the internal cavities of the vagina and uterus. We then made a mold using the 3D printed uterus phantom...
February 18, 2017: Medical Physics
https://www.readbyqxmd.com/read/28214087/targeting-the-pd-1-pd-l1-axis-in-non-small-cell-lung-cancer
#3
REVIEW
Rajiv Kumar, Dearbhaile Collins, Saoirse Dolly, Fiona McDonald, Mary E R O'Brien, Timothy A Yap
The last decade has witnessed rapid advances in the discovery and development of immune checkpoint inhibitors in cancer medicine, particularly drugs targeting programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC). The proven antitumor efficacy coupled with low rates of drug-related toxicities observed, albeit idiosyncratic, with these novel immunotherapeutics have led to the registration of multiple PD-1 and PD-L1 inhibitors, such as nivolumab, pembrolizumab, and atezolizumab, in second-line advanced NSCLC, whereas durvalumab and avelumab are in late-phase clinical testing...
December 23, 2016: Current Problems in Cancer
https://www.readbyqxmd.com/read/28213874/disease-burden-of-human-papillomavirus-infection-in-the-netherlands-1989-2014-the-gap-between-females-and-males-is-diminishing
#4
Scott A McDonald, Venetia Qendri, Johannes Berkhof, Hester E de Melker, Johannes A Bogaards
PURPOSE: Besides cervical cancer, HPV infection is linked to a multitude of diseases in both males and females, suggesting that vaccination programmes should be re-evaluated, with a judicious assessment made of the disease burden stratified by sex, age, and genotype. Projections of burden into the near future are also needed to provide a benchmark for evaluating the impact of vaccination programmes, and to assess the need for scaling-up preventive measures. METHODS: Using the disability-adjusted life-years (DALY) measure, we estimated the total HPV-associated disease burden in the Netherlands...
February 17, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28213480/a-common-genetic-variant-risk-score-is-associated-with-drug-induced-qt-prolongation-and-torsade-de-pointes-risk-a-pilot-study
#5
David G Strauss, Jose Vicente, Lars Johannesen, Ksenia Blinova, Jay W Mason, Peter Weeke, Elijah R Behr, Dan M Roden, Raymond Woosley, Gulum Kosova, Michael A Rosenberg, Christopher Newton-Cheh
Background -Drug-induced QT interval prolongation, a risk factor for life-threatening ventricular arrhythmias, is a potential side effect of many marketed and withdrawn medications. The contribution of common genetic variants previously associated with baseline QT interval to drug-induced QT prolongation and arrhythmias is not known. Methods -We tested the hypothesis that a weighted combination of common genetic variants contributing to QT interval at baseline, identified through genome-wide association studies, can predict individual response to multiple QT-prolonging drugs...
February 17, 2017: Circulation
https://www.readbyqxmd.com/read/28213368/effects-of-dabigatran-according-to-age-in-atrial-fibrillation
#6
Mandy N Lauw, John W Eikelboom, Michiel Coppens, Lars Wallentin, Salim Yusuf, Michael Ezekowitz, Jonas Oldgren, Juliet Nakamya, Jia Wang, Stuart J Connolly
OBJECTIVE: The prevalence of atrial fibrillation (AF) and the risk of stroke and bleeding vary according to age. To estimate effects of dabigatran, compared with warfarin, on stroke, bleeding and mortality in patients with AF in the Randomized Evaluation of Long-Term Anticoagulant Therapy (RE-LY) trial according to age, we analysed treatment effects using age as a continuous variable and using age categories. METHODS: RE-LY included 10 855 (59.9%) patients aged <75 years, 4231 patients (23...
February 17, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28213340/demographic-and-indication-specific-characteristics-have-limited-association-with-social-network-engagement-evidence-from-24-954-members-of-four-health-care-support-groups
#7
Trevor van Mierlo, Xinlong Li, Douglas Hyatt, Andrew T Ching
BACKGROUND: Digital health social networks (DHSNs) are widespread, and the consensus is that they contribute to wellness by offering social support and knowledge sharing. The success of a DHSN is based on the number of participants and their consistent creation of externalities through the generation of new content. To promote network growth, it would be helpful to identify characteristics of superusers or actors who create value by generating positive network externalities. OBJECTIVE: The aim of the study was to investigate the feasibility of developing predictive models that identify potential superusers in real time...
February 17, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28212990/high-plasma-levels-of-soluble-programmed-cell-death-ligand-1-are-prognostic-for-reduced-survival-in-advanced-lung-cancer
#8
Yusuke Okuma, Yukio Hosomi, Yoshiro Nakahara, Kageaki Watanabe, Yukiko Sagawa, Sadamu Homma
OBJECTIVES: Programmed cell death-ligand 1 (PD-L1) expressed in tumor tissues is a key molecule for immune suppression, given its role in immune checkpoints. The significance and implication of soluble PD-L1 (sPD-L1) in the blood of lung cancer patients remain unknown. PATIENTS AND METHODS: Blood samples were prospectively collected from patients with advanced lung cancer, and the plasma sPD-L1 concentrations were measured by enzyme-linked immunosorbent assay. The correlations of the plasma sPD-L1 levels with clinico-pathological status, laboratory data, and survival of the patients were analyzed...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212350/a-hierarchical-framework-combining-motion-and-feature-information-for-infrared-visible-video-registration
#9
Xinglong Sun, Tingfa Xu, Jizhou Zhang, Xiangmin Li
In this paper, we propose a novel hierarchical framework that combines motion and feature information to implement infrared-visible video registration on nearly planar scenes. In contrast to previous approaches, which involve the direct use of feature matching to find the global homography, the framework adds coarse registration based on the motion vectors of targets to estimate scale and rotation prior to matching. In precise registration based on keypoint matching, the scale and rotation are used in re-location to eliminate their impact on targets and keypoints...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28212080/improving-registration-robustness-for-image-guided-liver-surgery-in-a-novel-human-to-phantom-data-framework
#10
Jarrod Collins, Jared Weis, Jon Heiselman, Logan Clements, Amber Simpson, Willam Jarnagin, Michael Miga
In open image-guided liver surgery (IGLS), a sparse representation of the intraoperative organ surface can be acquired to drive image-to-physical registration. We hypothesize that uncharacterized error induced by variation in the collection patterns of organ surface data limits the accuracy and robustness of IGLS registration. Clinical validation of such registration methods is challenged due to the difficulty in obtaining data representative of the true state of organ deformation. We propose a novel human-to-phantom validation framework that transforms surface collection patterns from in vivo IGLS procedures (n=13) onto a well-characterized hepatic deformation phantom for the purpose of validating surface-driven, volumetric nonrigid registration methods...
February 13, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28211889/clinical-utility-of-the-revised-international-staging-system-in-unselected-patients-with-newly-diagnosed-and-relapsed-multiple-myeloma
#11
N Tandon, S V Rajkumar, B LaPlant, A Pettinger, M Q Lacy, A Dispenzieri, F K Buadi, M A Gertz, S R Hayman, N Leung, R S Go, D Dingli, P Kapoor, Y Lin, Y L Hwa, A L Fonder, M A Hobbs, S R Zeldenrust, J A Lust, W I Gonsalves, S J Russell, S K Kumar
We analyzed the utility of Revised International staging system (RISS) in an unselected cohort of newly diagnosed multiple myeloma (NDMM; cohort 1), and relapsed/refractory multiple myeloma (RRMM; cohort 2) patients. Cohort 1 included 1900 patients seen within 90 days of diagnosis, from 2005 to 2015, while cohort 2 had 887 patients enrolled in 23 clinical trials at Mayo Clinic. The overall survival (OS) and progression-free survival (PFS) was calculated from the time since diagnosis or trial registration. The median estimated follow up was 5 and 2...
February 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28211045/walk-in-clinics-versus-physician-offices-and-emergency-rooms-for-urgent-care-and-chronic-disease-management
#12
REVIEW
Connie E Chen, Christopher T Chen, Jia Hu, Ateev Mehrotra
BACKGROUND: Walk-in clinics are growing in popularity around the world as a substitute for traditional medical care delivered in physician offices and emergency rooms, but their clinical efficacy is unclear. OBJECTIVES: To assess the quality of care and patient satisfaction of walk-in clinics compared to that of traditional physician offices and emergency rooms for people who present with basic medical complaints for either acute or chronic issues. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, six other databases, and two trials registers on 22 March 2016 together with reference checking, citation searching, and contact with study authors to identify additional studies...
February 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28211020/goal-directed-fluid-restriction-during-brain-surgery-a-prospective-randomized-controlled-trial
#13
Jinfeng Luo, Jing Xue, Jin Liu, Bin Liu, Li Liu, Guo Chen
BACKGROUND: The value of goal-directed fluid therapy in neurosurgical patients, where brain swelling is a major concern, is unknown. The aim of our study was to evaluate the effect of an intraoperative goal-directed fluid restriction (GDFR) strategy on the postoperative outcome of high-risk patients undergoing brain surgery. METHODS: High-risk patients undergoing brain surgery were randomly assigned to a usual care group (control group) or a GDFR group. In the GDFR group, (1) fluid maintenance was restricted to 3 ml/kg/h of a crystalloid solution and (2) colloid boluses were allowed only in case of hypotension associated with a low cardiac index and a high stroke volume variation...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28209728/evaluation-of-cell-therapy-on-exercise-performance-and-limb-perfusion-in-peripheral-artery-disease-the-cctrn-patients-with-intermittent-claudication-injected-with-aldh-bright-cells-pace-trial
#14
Emerson C Perin, Michael P Murphy, Keith L March, Roberto Bolli, John Loughran, Phillip C Yang, Nicholas J Leeper, Ronald L Dalman, Jason Q Alexander, Timothy D Henry, Jay H Traverse, Carl J Pepine, R David Anderson, Scott Berceli, James T Willerson, Raja Muthupillai, Amir A Gahremanpour, Ganesh Raveendran, Omaida C Velazquez, Joshua M Hare, Ivonne H Schulman, Vijaykumar S Kasi, William R Hiatt, Bharath Ambale-Venkatesh, João A Lima, Doris A Taylor, Micheline M Resende, Adrian P Gee, April G Durett, Jeannette Bloom, Sara Richman, Patricia G'Sell, Shari Williams, Fouzia Khan, Elsie G Ross, Michelle R Santoso, JoAnne Goldman, Dana Leach, Eileen Handberg, Benjamin Y C Cheong, Nichole A Piece, Darcy DiFede, Barb Bruhn-Ding, Emily Caldwell, Judy Bettencourt, Dejian Lai, Linda B Piller, Lara M Simpson, Michelle Cohen, Shelly L Sayre, Rachel W Vojvodic, Lem Moyé, Ray F Ebert, Robert D Simari, Alan T Hirsch
Background -Atherosclerotic peripheral artery disease (PAD) affects 8-12% of Americans over 65 and is associated with a major decline in functional status, increased myocardial infarction and stroke rates, and increased risk of ischemic amputation. Current treatment strategies for claudication have limitations. PACE is an NHLBI-sponsored, randomized, double-blind, placebo-controlled phase 2, exploratory clinical trial designed to assess safety and efficacy of autologous bone marrow-derived aldehyde dehydrogenase bright (ALDHbr) cells in PAD patients and to explore associated claudication physiologic mechanisms...
February 16, 2017: Circulation
https://www.readbyqxmd.com/read/28209559/irreversible-electroporation-for-the-ablation-of-renal-cell-carcinoma-a-prospective-human-in-vivo-study-protocol-ideal-phase-2b
#15
Mara Buijs, Krijn P van Lienden, Peter Gk Wagstaff, Matthijs Jv Scheltema, Daniel M de Bruin, Patricia J Zondervan, Otto M van Delden, Ton G van Leeuwen, Jean Jmch de la Rosette, M Pilar Laguna
BACKGROUND: Irreversible electroporation (IRE) is an emerging technique delivering electrical pulses to ablate tissue, with the theoretical advantage to overcome the main shortcomings of conventional thermal ablation. Recent short-term research showed that IRE for the ablation of renal masses is a safe and feasible treatment option. In an ablate and resect design, histopathological analysis 4 weeks after radical nephrectomy demonstrated that IRE-targeted renal tumors were completely covered by ablation zone...
February 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28209506/efficacy-of-combined-ultrasound-guided-steroid-injection-and-splinting-in-patients-with-carpal-tunnel-syndrome-a-randomized-controlled-trial
#16
Jia-Chi Wang, Kwong-Kum Liao, Kon-Ping Lin, Chen-Liang Chou, Tsui-Fen Yang, Yu-Fang Huang, Kevin A Wang, Jan-Wei Chiu
OBJECTIVES: To compare the effectiveness of local steroid injection plus splinting to that of local steroid injection alone using clinical and electrophysiological parameters in patients with carpal tunnel syndrome (CTS). Design; Randomized controlled study with 12 weeks of follow-up. SETTING: Tertiary care center. PARTICIPANTS: Volunteer sample of 52 patients diagnosed with CTS Clinical trial registration number: NCT02728693.
February 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28209392/transfer-of-do-not-resuscitate-orders-to-the-emergency-department-from-extended-care-facilities
#17
Colleen M McQuown, Jennifer A Frey, Ahmad Amireh, Ali Chaudhary
PURPOSE/OBJECTIVE: With an elderly and chronically ill patient population visiting the emergency department, it is important to know patients' wishes regarding care preferences and advanced directives. Ohio law states DNR orders must be transported with the patient when they leave an extended care facility (ECF). We reviewed the charts of ECF patients to evaluate which patients presenting to the ED had their DNR status recognized by the physician and DNR orders that were made during their hospital stay...
February 4, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209163/cardiovascular-magnetic-resonance-myocardial-feature-tracking-using-a-non-rigid-elastic-image-registration-algorithm-assessment-of-variability-in-a-real-life-clinical-setting
#18
Pedro Morais, Alberto Marchi, Julie A Bogaert, Tom Dresselaers, Brecht Heyde, Jan D'hooge, Jan Bogaert
BACKGROUND: Cardiovascular magnetic resonance myocardial feature tracking (CMR-FT) is a promising technique for quantification of myocardial strain from steady-state free precession (SSFP) cine images. We sought to determine the variability of CMR-FT using a non-rigid elastic registration algorithm recently available in a commercial software package (Segment, Medviso) in a real-life clinical setting. METHODS: Firstly, we studied the variability in a healthy volunteer who underwent 10 CMR studies over five consecutive days...
February 17, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28207873/classification-of-brain-disease-in-magnetic-resonance-images-using-two-stage-local-feature-fusion
#19
Tao Li, Wu Li, Yehui Yang, Wensheng Zhang
BACKGROUND: Many classification methods have been proposed based on magnetic resonance images. Most methods rely on measures such as volume, the cerebral cortical thickness and grey matter density. These measures are susceptible to the performance of registration and limited in representation of anatomical structure. This paper proposes a two-stage local feature fusion method, in which deformable registration is not desired and anatomical information is represented from moderate scale...
2017: PloS One
https://www.readbyqxmd.com/read/28207387/distortion-correction-in-fetal-epi-using-non-rigid-registration-with-a-laplacian-constraint
#20
Maria Kuklisova Murgasova, Georgia Lockwood-Estrin, Rita G Nunes, Shaihan Malik, Mary Rutherford, Daniel Rueckert, Joseph Hajnal
Geometric distortion induced by the main B0 field disrupts the consistency of fetal EPI data, on which diffusion and functional MRI is based. In this paper we present a novel data-driven method for simultaneous motion and distortion correction of fetal EPI. A motion-corrected and reconstructed T2 weighted ssFSE volume is used as a model of undistorted fetal brain anatomy. Our algorithm interleaves two registration steps: estimation of fetal motion parameters by aligning EPI slices to the model; and deformable registration of EPI slices to slices simulated from the undistorted model to estimate the distortion field...
February 9, 2017: IEEE Transactions on Medical Imaging
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