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https://www.readbyqxmd.com/read/27894457/reliability-and-validity-of-the-coping-strategy-inventory-short-form-applied-to-hemodialysis-patients-in-13-countries-results-from-the-dialysis-outcomes-and-practice-patterns-study-dopps
#1
Elodie Speyer, Hal Morgenstern, Yasuaki Hayashino, Peter G Kerr, Hugh Rayner, Bruce M Robinson, Ronald L Pisoni
OBJECTIVES: The Coping Strategies Inventory-Short Form (CSI-SF) measures four coping strategies based on 16 items: 4 items each indicating problem- vs. emotion-focused engagement or disengagement. Here we provide the first assessment of reliability and construct validity of the CSI-SF among hemodialysis patients across 13 countries. METHODS: The CSI-SF was completed by patients in 9 languages in phase 4 of the Dialysis Outcomes and Practice Patterns Study (2009-11)...
December 2016: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/27866964/dialysate-potassium-serum-potassium-mortality-and-arrhythmia-events-in-hemodialysis-results-from-the-dialysis-outcomes-and-practice-patterns-study-dopps
#2
Angelo Karaboyas, Jarcy Zee, Steven M Brunelli, Len A Usvyat, Daniel E Weiner, Franklin W Maddux, Allen R Nissenson, Michel Jadoul, Francesco Locatelli, Wolfgang C Winkelmayer, Friedrich K Port, Bruce M Robinson, Francesca Tentori
BACKGROUND: Sudden death is a leading cause of death in patients on maintenance hemodialysis therapy. During hemodialysis sessions, the gradient between serum and dialysate levels results in rapid electrolyte shifts, which may contribute to arrhythmias and sudden death. Controversies exist about the optimal electrolyte concentration in the dialysate; specifically, it is unclear whether patient outcomes differ among those treated with a dialysate potassium concentration of 3 mEq/L compared to 2 mEq/L...
November 17, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27866963/interdialytic-weight-gain-trends-predictors-and-associated-outcomes-in-the-international-dialysis-outcomes-and-practice-patterns-study-dopps
#3
Michelle M Y Wong, Keith P McCullough, Brian A Bieber, Juergen Bommer, Manfred Hecking, Nathan W Levin, William M McClellan, Ronald L Pisoni, Rajiv Saran, Francesca Tentori, Tadashi Tomo, Friedrich K Port, Bruce M Robinson
BACKGROUND: High interdialytic weight gain (IDWG) is associated with adverse outcomes in hemodialysis (HD) patients. We identified temporal and regional trends in IDWG, predictors of IDWG, and associations of IDWG with clinical outcomes. STUDY DESIGN: Analysis 1: sequential cross-sections to identify facility- and patient-level predictors of IDWG and their temporal trends. Analysis 2: prospective cohort study to assess associations between IDWG and mortality and hospitalization risk...
November 17, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27790813/hemodialysis-practice-patterns-in-the-russia-dialysis-outcomes-and-practice-patterns-study-dopps-with-international-comparisons
#4
Boris Bikbov, Brian Bieber, Anton Andrusev, Natalia Tomilina, Alexander Zemchenkov, Junhui Zhao, Friedrich Port, Bruce Robinson, Ronald Pisoni
Introduction There is little comparable information about hemodialysis (HD) practices in low- and middle income countries, including Russia. Evaluation of HD in Russia and its international comparisons could highlight factors providing opportunities for improvement. Methods We examined treatment patterns for 481 prevalent HD patients in 20 Russian facilities, and compared them to contemporary data for 8512 patients from 311 facilities in seven European countries, Japan, and North America. Data were collected according to the uniform methodology of the Dialysis Outcomes and Practice Patterns Study, phase 5...
October 27, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27781388/the-dialysis-outcomes-and-practice-patterns-study-dopps-in-turkey
#5
Tevfik Ecder, Cengiz Utas, Kenan Ates, Brian Bieber, Bruce M Robinson, Ronald L Pisoni, Gültekin Süleymanlar
Introduction Turkey has one of the largest treated end-stage renal disease (ESRD) patient populations in Europe (N = 66,711). In 2013, the international Dialysis Outcomes and Practice Patterns Study (DOPPS), a prospective study of hemodialysis (HD) practices and outcomes, initiated data collection in Turkey. Here we provide comparisons of HD patients in DOPPS-Turkey with other international regions and with patients in the Registry of Turkish Nephrology, Dialysis and Transplantation. Methods DOPPS-Turkey study sites were randomly selected from all Turkish HD units treating ≥25 in-center chronic HD patients...
October 25, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27772642/intensive-hemodialysis-and-treatment-complications-and%C3%A2-tolerability
#6
Jose A Morfin, Richard J Fluck, Eric D Weinhandl, Sheru Kansal, Peter A McCullough, Paul Komenda
Hemodialysis (HD) treatment can be difficult to tolerate. Common complications are intradialytic hypotension (IDH) and long time to recovery after an HD session. IDH, as defined by nadir systolic blood pressure < 90mmHg and intradialytic decline > 30mmHg, occurs in almost 8% of HD sessions. IDH may be caused by aggressive ultrafiltration in response to interdialytic weight gain, can lead to myocardial stunning and cardiac arrhythmias, and is associated with increased risk for death. Long recovery time after a treatment session is also common...
November 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27595979/oxidative-stress-augments-chemoreflex-sensitivity-in-rats-exposed-to-chronic-intermittent-hypoxia
#7
Barbara J Morgan, Melissa L Bates, Rodrigo Del Rio, Zunyi Wang, John M Dopp
Chronic exposure to intermittent hypoxia (CIH) elicits plasticity of the carotid sinus and phrenic nerves via reactive oxygen species (ROS). To determine whether CIH-induced alterations in ventilation, metabolism, and heart rate are also dependent on ROS, we measured responses to acute hypoxia in conscious rats after 14 and 21 d of either CIH or normoxia (NORM), with or without concomitant administration of allopurinol (xanthine oxidase inhibitor), combined allopurinol plus losartan (angiotensin II type 1 receptor antagonist), or apocynin (NADPH oxidase inhibitor)...
December 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27547240/testing-the-community-based-learning-collaborative-cblc-implementation-model-a-study-protocol
#8
Rochelle F Hanson, Sonja Schoenwald, Benjamin E Saunders, Jason Chapman, Lawrence A Palinkas, Angela D Moreland, Alex Dopp
BACKGROUND: High rates of youth exposure to violence, either through direct victimization or witnessing, result in significant health/mental health consequences and high associated lifetime costs. Evidence-based treatments (EBTs), such as Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), can prevent and/or reduce these negative effects, yet these treatments are not standard practice for therapists working with children identified by child welfare or mental health systems as needing services...
2016: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/27529765/effects-of-restricted-time-in-bed-on-antidepressant-treatment-response-a-randomized-controlled-trial
#9
J Todd Arnedt, Leslie M Swanson, Richard R Dopp, Holli S Bertram, Ann J Mooney, Edward D Huntley, Robert F Hoffmann, Roseanne Armitage
OBJECTIVE: Antidepressant response onset is delayed in individuals with major depressive disorder (MDD). This study compared remission rates and time to remission onset for antidepressant medication delivered adjunctively to nightly time in bed (TIB) restriction of 6 hours or 8 hours for the initial 2 weeks. METHODS: Sixty-eight adults with DSM-IV-diagnosed MDD (mean ± SD age = 25.4 ± 6.6 years, 34 women) were recruited from September 2009 to December 2012 in an academic medical center...
August 16, 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/27503345/both-low-and-high-serum-ferritin-levels-predict-mortality-risk-in-hemodialysis-patients-without-inflammation
#10
Tetsuo Shoji, Kakuya Niihata, Shingo Fukuma, Shunichi Fukuhara, Tadao Akizawa, Masaaki Inaba
BACKGROUND: Serum ferritin concentration >100 ng/mL was associated with a higher risk of death in hemodialysis patients in Japan, whereas such an association was less clear in hemodialysis patients in Western countries. Since Japanese dialysis patients are generally less inflamed than those in Western countries, inflammation may modify the association between serum ferritin and the adverse outcomes. METHODS: We performed an observational cohort study using data from 2606 Japanese hemodialysis patients who participated in the Dialysis Outcomes and Practice Patterns Study (DOPPS) III (2005-2008) or DOPPS IV (2009-2012)...
August 8, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27494414/insomnia-as-a-moderator-of-response-to-time-in-bed-restriction-for-augmenting-antidepressant-treatment-a-preliminary-investigation
#11
Leslie M Swanson, Edward D Huntley, Holli Bertram, Ann Mooney, Richard Dopp, Robert Hoffmann, Roseanne Armitage, J Todd Arnedt
BACKGROUND: There are complex, bidirectional associations between major depressive disorder and insomnia. In the present study, we evaluated insomnia as a moderator of response to antidepressant therapy in the context of a sleep manipulation (time in bed restriction) for major depressive disorder. METHODS: Fifty-eight adults with major depressive disorder received 8 weeks of fluoxetine 20-40 mgs and were randomized to 8 hr time in bed (8h TIB) or 6 hr time in bed (6h TIB) for the first 2 weeks (participants in the 6h TIB condition were further randomized to a delayed bedtime (Late Bedtime) or advanced rise time (Early Rise Time) group)...
August 5, 2016: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/27475557/3d-printing-of-gas-jet-nozzles-for-laser-plasma-accelerators
#12
A Döpp, E Guillaume, C Thaury, J Gautier, K Ta Phuoc, V Malka
Recent results on laser wakefield acceleration in tailored plasma channels have underlined the importance of controlling the density profile of the gas target. In particular, it was reported that the appropriate density tailoring can result in improved injection, acceleration, and collimation of laser-accelerated electron beams. To achieve such profiles, innovative target designs are required. For this purpose, we have reviewed the usage of additive layer manufacturing, commonly known as 3D printing, in order to produce gas jet nozzles...
July 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27412757/influence-of-staff-encouragement-on-perceived-burden-of-dietary-restriction-among-patients-living-alone
#13
Tatsuyoshi Ikenoue, Shingo Fukuma, Yosuke Yamamoto, Shin Yamazaki, Tadao Akizawa, Takashi Akiba, Akira Saito, Kiyoshi Kurokawa, Shunichi Fukuhara
To help relieve the burden of dietary restrictions experienced by many hemodialysis (HD) patients, dialysis staff may encourage patients, with no consideration to the degree of family support. Here, we clarified the effect of staff encouragement and living conditions on the burden of dietary restrictions in HD patients. This retrospective cohort study was conducted using data from the Dialysis Outcomes and Practice Patterns Study (DOPPS) I and III. We enrolled patients aged 18-75 years on HD therapy for at least 3 months...
July 14, 2016: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/27397028/-anti-estrogenic-and-anti-androgenic-effects-in-wastewater-during-advanced-treatment-comparison-of-three-in-vitro-bioassays
#14
Linda Gehrmann, Helena Bielak, Maximilian Behr, Fabian Itzel, Sven Lyko, Anne Simon, Gotthard Kunze, Elke Dopp, Martin Wagner, Jochen Tuerk
Endocrine-disrupting chemicals are mainly discharged into the environment by wastewater treatment plants (WWTPs) and are known to induce adverse effects in aquatic life. Advanced treatment with ozone successfully removes such organic micropollutants, but an increase of estrogenic effects after the ozonation of hospital wastewater was observed in previous studies. In order to investigate this effect, estrogenic and androgenic as well as anti-estrogenic and anti-androgenic activities were observed during treatment of hospital wastewater using three different effect-based reporter gene bioassays...
July 11, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27312903/effects-of-a-dorzolamide-timolol-fixed-combination-on-diurnal-intraocular-pressure-heart-rate-blood-pressure-and-ocular-perfusion-pressure-in-normal-tension-glaucoma
#15
Na Young Lee, Hae-Young Lopilly Park, Chan Kee Park
PURPOSE: The aim of this study was to evaluate the effects of a dorzolamide-timolol fixed combination (DTFC) on intraocular pressure (IOP), heart rate (HR), blood pressure (BP), ocular perfusion pressure (OPP), and diastolic ocular perfusion pressure (DOPP) in patients with normal-tension glaucoma (NTG). METHODS: A prospective, interventional, single-blind, single-center study was conducted. Newly diagnosed NTG patients that had not been treated with a glaucoma medication in the most recent 4 weeks were included...
September 2016: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27270292/association-between-changes-in-quality-of-life-and-mortality-in-hemodialysis-patients-results-from-the-dopps
#16
Jeffrey Perl, Angelo Karaboyas, Hal Morgenstern, Ananda Sen, Hugh C Rayner, Raymond C Vanholder, Christian Combe, Takeshi Hasegawa, Fredric O Finkelstein, Antonio A Lopes, Bruce M Robinson, Ronald L Pisoni, Francesca Tentori
BACKGROUND: Cross-sectional health-related quality of life (HR-QOL) measures are associated with mortality in hemodialysis (HD) patients. The impact of changes in HR-QOL on outcomes remains unclear. We describe the association of prior changes in HR-QOL with subsequent mortality among HD patients. METHODS: A total of 13 784 patients in the Dialysis Outcomes and Practice Patterns Study had more than one measurement of HR-QOL. The impact of changes between two measurements of the physical (PCS) and mental (MCS) component summary scores of the SF-12 on mortality was estimated with Cox regression...
June 7, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27207403/restless-legs-syndrome-following-lung-transplantation-prevalence-and-relationship-with-tacrolimus-exposure
#17
Nathan J Menninga, Kalynn A Rohde, Zachary W Schlei, Krista M Katers, Ashley K Weber, Marissa M Brokhof, Donald S Hawes, Kelly L Radford, Mary L Francois, Richard D Cornwell, Ruth Benca, Mary S Hayney, John M Dopp
CONTEXT: Complications following lung transplantation are common and significantly reduce quality of life, and increase morbidity and mortality. Increasing evidence suggests sleep disorders are prevalent following lung transplantation, but factors associated with their development are not known. OBJECTIVES: We sought to evaluate the prevalence of restless legs syndrome (RLS) in a lung transplant population and determine if a relationship exists between RLS and exposure to immunosuppressant medications...
June 2016: Progress in Transplantation
https://www.readbyqxmd.com/read/27140339/development-and-validation-of-cardiovascular-risk-scores-for-haemodialysis-patients
#18
Stefan D Anker, Iain A Gillespie, Kai-Uwe Eckardt, Florian Kronenberg, Sharon Richards, Tilman B Drueke, Peter Stenvinkel, Ronald L Pisoni, Bruce M Robinson, Daniele Marcelli, Marc Froissart, Jürgen Floege
BACKGROUND: A simple clinical tool to predict cardiovascular disease risk does not exist for haemodialysis patients. The long-term coronary risk Framingham Heart Study Risk score (FRS), although used in this population, may be inadequate. Therefore, we developed separate risk-scores for cardiovascular mortality (CVM) and cardiovascular morbidity & mortality (CVMM) in a Fresenius Medical Care-based haemodialysis patient cohort (AROii). METHODS: Applying a modified FRS approach, we derived and internally validated two-year risk-scores in incident European adult patients randomly assigned to a development (N=4831) or a validation (N=4796) dataset...
August 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27045519/anemia-management-in-the-china-dialysis-outcomes-and-practice-patterns-study
#19
Li Zuo, Mia Wang, Fanfan Hou, Yucheng Yan, Nan Chen, Jiaqi Qian, Mei Wang, Brian Bieber, Ronald L Pisoni, Bruce M Robinson, Shuchi Anand
BACKGROUND: As the utilization of hemodialysis increases in China, it is critical to examine anemia management. METHODS: Using data from the China Dialysis Outcomes and Practice Patterns Study (DOPPS), we describe hemoglobin (Hgb) distribution and anemia-related therapies. RESULTS: Twenty one percent of China's DOPPS patients had Hgb <9 g/dl, compared with ≤10% in Japan and North America. A majority of medical directors targeted Hgb ≥11...
2016: Blood Purification
https://www.readbyqxmd.com/read/26945470/chronic-depression-symptoms-and-salivary-nox-are-associated-with-retinal-vascular-dysregulation-the-sabpa-study
#20
Leoné Malan, Mark Hamer, Roland von Känel, Markus P Schlaich, Manja Reimann, Nancy Frasure-Smith, Gavin W Lambert, Walthard Vilser, Brian H Harvey, Faans Steyn, Nico T Malan
BACKGROUND: Depression has been associated with impaired nitric oxide (NO)-mediated vasodilation and vascular dysregulation (VD). Whether depression and NO levels will disturb retinal haemodynamics is not clear. OBJECTIVES AND METHODS: Associations between the retinal vasculature, diastolic ocular perfusion pressure (DOPP) as measure of hypoperfusion, NO metabolites (NOx) and depression symptoms were assessed. Chronic VD risk markers [depression symptoms (Patient Health Questionnaire/PHQ-9 ≥ 10) and 24 h pulse pressure] were determined in a bi-ethnic cohort (n = 313; 48...
May 1, 2016: Nitric Oxide: Biology and Chemistry
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