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https://www.readbyqxmd.com/read/28340285/the-six-minute-walk-test-in-patients-with-al-amyloidosis-a-single-centre-case-series
#1
Vina Pulido, Gheorghe Doros, John L Berk, Vaishali Sanchorawala
The six-minute walk test (6MWT) has been widely used as an objective evaluation of functional exercise capacity and response to medical intervention in cardiopulmonary diseases. However, little is known about the 6MWT in evaluating patients with AL amyloidosis. We performed a retrospective study of 120 adults with systemic AL amyloidosis (60 with cardiac involvement and 60 without cardiac involvement) who had their initial evaluation at the Amyloidosis Center between 2013 and 2015 and had undergone 6MWT as a measure of functional exercise capacity...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28333566/is-change-in-hemoglobin-level-a-predictive-biomarker-of-tyrosine-kinase-efficacy-in-metastatic-renal-cell-carcinoma-a-turkish-oncology-group-study
#2
Cemil Bilir, İbrahim Yıldız, Ahmet Bilici, Mahmut Ucar, Veli Berk, Yaşar Yıldız, Ozan Yazıcı, Gökşen İnanç İmamoğlu, Nuri Karadurmuş, Kezban Nur Pilancı, Erkan Arpacı, Özgür Tanrıverdi, Ebru Karcı, Süleyman Temiz, Erdinc Nayır, Esin Oktay, Pınar Dal, İbrahim Petekkaya, Ceyhun Varım, Hakan Cinemre
BACKGROUND: There are insufficient predictive markers for renal cell carcinoma (RCC). METHODS: A total of 308 metastatic RCC patients were analyzed retrospectively. RESULTS: The increased hemoglobin (Hb) group had significantly higher progression-free survival and overall survival (OS) compared with the decreased Hb group at 11.5 versus 6.35 months (p < .001) and 21.0 versus 11.36 months (p < .001) respectively. The 1- and 3-year OS rates were higher in the Hb increased group, i...
March 23, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28329489/acquired-blue-nevus-of-the-nail-bed
#3
Daniel M Klufas, Syril Keena T Que, Adrienne Berke, Brett Sloan Maryland
Blue nevi are benign proliferations of melaninproducingdendritic melanocytes located in thedermis. These nevi tend to occur mostly on the skin,predominantly on the head and neck, dorsal aspectsof the distal extremities, and the sacral area, butcan also occasionally appear on mucosal surfaces.Blue nevi of the nail apparatus are uncommon. Themajority originate in the nail matrix where there is ahigher density of melanocytes. Herein we report ona 47-year-old man with a rare common blue nevus ofthe nail bed, an area with low melanocyte density...
February 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28327988/efficacy-and-safety-of-nilotinib-in-patients-with-kit-mutated-metastatic-or-inoperable-melanoma-final-results-from-the-global-single-arm-phase-ii-team-trial
#4
J Guo, R D Carvajal, R Dummer, A Hauschild, A Daud, B C Bastian, S N Markovic, P Queirolo, A Arance, C Berking, V Camargo, D Herchenhorn, T M Petrella, D Schadendorf, W Sharfman, A Testori, S Novick, S Hertle, C Nourry, Q Chen, F S Hodi
Background.: The single-arm, phase II Tasigna Efficacy in Advanced Melanoma (TEAM) trial evaluated the KIT-selective tyrosine kinase inhibitor nilotinib in patients with KIT -mutated advanced melanoma without prior KIT inhibitor treatment. Patients and Methods.: Forty-two patients with KIT -mutated advanced melanoma were enrolled and treated with nilotinib 400 mg twice daily. TEAM originally included a comparator arm of dacarbazine (DTIC)-treated patients; the design was amended to a single-arm trial due to an observed low number of KIT -mutated melanomas...
March 6, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28324953/electrical-resistance-increases-at-the-tissue-electrode-interface-as-an-early-response-to-nucleus-accumbens-deep-brain-stimulation
#5
Rajas P Kale, Abbas Z Kouzani, Julian Berk, Ken Walder, Michael Berk, Susannah J Tye
The therapeutic actions of deep brain stimulation are not fully understood. The early inflammatory response of electrode implantation is associated with symptom relief without electrical stimulation, but is negated by anti-inflammatory drugs. Early excitotoxic necrosis and subsequent glial scarring modulate the conductivity of the tissue-electrode interface, which can provide some detail into the inflammatory response of individual patients. The feasibility of this was demonstrated by measuring resistance values across a bipolar electrode which was unilaterally implanted into the nucleus accumbens of a rat while receiving continuous deep brain stimulation with a portable back-mounted device using clinical parameters (130Hz, 200μA, 90μs) for 3 days...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324604/imaging-the-dynamics-of-cell-wall-polymer-deposition-in-the-unicellular-model-plant-penium-margaritaceum
#6
David Domozych, Anna Lietz, Molly Patten, Emily Singer, Berke Tinaz, Sandra C Raimundo
The unicellular green alga, Penium margaritaceum, represents a novel and valuable model organism for elucidating cell wall dynamics in plants. This organism's cell wall contains several polymers that are highly similar to those found in the primary cell walls of land plants. Penium is easily grown in laboratory culture and is effectively manipulated in various experimental protocols including microplate assays and correlative microscopy. Most importantly, Penium can be live labeled with cell wall-specific antibodies or other probes and returned to culture where specific cell wall developmental events can be monitored...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28318471/adjunctive-n-acetylcysteine-in-depression-exploration-of-interleukin-6-c-reactive-protein-and-brain-derived-neurotrophic-factor
#7
Kyoko Hasebe, Laura Gray, Chiara Bortolasci, Bruna Panizzutti, Mohammadreza Mohebbi, Srisaiyini Kidnapillai, Briana Spolding, Ken Walder, Michael Berk, Gin Malhi, Seetal Dodd, Olivia M Dean
OBJECTIVE: This study aimed to explore effects of adjunctive N-acetylcysteine (NAC) treatment on inflammatory and neurogenesis markers in unipolar depression. METHODS: We embarked on a 12-week clinical trial of NAC (2000 mg/day compared with placebo) as an adjunctive treatment for unipolar depression. A follow-up visit was conducted 4 weeks following the completion of treatment. We collected serum samples at baseline and the end of the treatment phase (week 12) to determine changes in interleukin-6 (IL6), C-reactive protein (CRP) and brain-derived neurotrophic factor (BDNF) following NAC treatment...
March 20, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28303466/do-statins-have-antidepressant-effects
#8
Ole Köhler-Forsberg, Christiane Gasse, Michael Berk, Søren Dinesen Østergaard
Statins are used widely in primary and secondary prevention of cardiovascular disease; a treatment effect that has long been thought to be due to their cholesterol-lowering properties. However, statins also have a wide range of anti-inflammatory effects independent of their lipid-lowering mechanisms. In depression, low-grade inflammation is a replicated finding, and several studies have shown antidepressant properties of diverse anti-inflammatory drugs. Large observational studies have suggested reduced risks of depression amongst those taking statins, an effect that is thought to be explained by the anti-inflammatory properties of this class of drugs...
March 16, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28289913/the-impacts-of-exposure-to-environmental-risk-on-physical-and-mental-health-in-a-small-geographic-community-in-houston-tx
#9
Garett Sansom, Juan Parras, Ana Parras, Yudith Nieto, Yvette Arellano, Philip Berke, Thomas McDonald, Eva Shipp, Jennifer A Horney
Previous research has shown that communities with low average socioeconomic status (SES) and majority minority populations are more likely to be exposed to industrial buildings, waste facilities, and poor infrastructure compared to white communities with higher average SES. While some studies have demonstrated linkages between exposures to specific environmental contaminates within these communities and negative health outcomes, little research has analyzed the effects of environmental contaminants on the mental and physical health of these populations...
March 13, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28286632/can-ratio-of-neutrophil-to-lymphocyte-count-and-erythrocyte-sedimentation-rate-in-diabetic-foot-infecti-on-predict-osteomyelitis-and-or-amputation
#10
Oktay Yapıcı, Hande Berk, Nefise Öztoprak, Derya Seyman, Alper Tahmaz, Alparslan Merdin
The aim of this study was to search for any relations between the neutrophil-to-lymphocyte ratio (NLR) and the development of osteomyelitis and the need for amputation in patients with diabetic foot infection (DFI). All data included DFI patients who were hospitalized in our Infectious Diseases Clinic between 2012 and 2015 and who were classified according to International Classification Disease Code System. 75 patients were analyzed in the study. The DFI patients were stratified into 3 groups of whom had amputation procedure, whom had only debridement/drainage procedure and whom had any surgery procedure...
February 23, 2017: Hematology Reports
https://www.readbyqxmd.com/read/28280322/community-acquired-pneumonia-and-survival-of-critically-ill-acute-exacerbation-of-copd-patients-in-respiratory-intensive-care-units
#11
Huriye Berk Takir, Antonio M Esquinas
No abstract text is available yet for this article.
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28269417/robot-assisted-retinal-vein-cannulation-with-force-based-puncture-detection-micron-vs-the-steady-hand-eye-robot
#12
Berk Gonenc, Nhat Tran, Peter Gehlbach, Russell H Taylor, Iulian Iordachita
Retinal vein cannulation is a demanding procedure where therapeutic agents are injected into occluded retina veins. The feasibility of this treatment is limited due to challenges in identifying the moment of venous puncture, achieving cannulation and maintaining it throughout the drug delivery period. In this study, we integrate a force-sensing microneedle with two distinct robotic systems: the handheld micromanipulator Micron, and the cooperatively controlled Steady-Hand Eye Robot (SHER). The sensed tool-to-tissue interaction forces are used to detect venous puncture and extend the robots' standard control schemes with a new position holding mode (PHM) that assists the operator hold the needle position fixed and maintain cannulation for a longer time with less trauma on the vasculature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28261767/should-alvarado-and-ohmann-scores-be-real-indicators-for-diagnosis-of-appendicitis-and-severity-of-inflammation
#13
Eyüp Murat Yılmaz, Mücahit Kapçı, Sebahattin Çelik, Berke Manoğlu, Mücahit Avcil, Erkan Karacan
BACKGROUND: Acute appendicitis is one of the most common causes of abdominal pain seen in surgical clinics. Although it can be easily diagnosed, the picture may be confusing, particularly in premenopausal women and the elderly. The present study is an evaluation of 2 of the current scoring systems with respect to accurate diagnosis of the disease and indication of inflammation severity. METHODS: A total of 105 patients diagnosed with acute appendicitis were included in the study...
January 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28257919/progressing-moodswings-the-upgrade-and-evaluation-of-moodswings-2-0-an-online-intervention-for-bipolar-disorder
#14
S Lauder, V E Cosgrove, E Gliddon, D Grimm, S Dodd, L Berk, D Castle, T S Suppes, M Berk
MoodSwings 2.0 is a self-guided online intervention for bipolar disorder. The intervention incorporates technological improvements on an earlier validated version of the intervention (MoodSwings 1.0). The previous MoodSwings trial provides this study with a unique opportunity to progress previous work, whilst being able to take into consideration lesson learnt, and technological enhancements. The structure and technology of MoodSwings 2.0 are described and the relevance to other online health interventions is highlighted...
February 28, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28257465/intermediates-in-the-sox-sulfur-oxidation-pathway-are-bound-to-a-sulfane-conjugate-of-the-carrier-protein-soxyz
#15
Daniel B Grabarczyk, Ben C Berks
The Sox pathway found in many sulfur bacteria oxidizes thiosulfate to sulfate. Pathway intermediates are covalently bound to a cysteine residue in the carrier protein SoxYZ. We have used biochemical complementation by SoxYZ-conjugates to probe the identity of the intermediates in the Sox pathway. We find that unconjugated SoxYZ and SoxYZ-S-sulfonate are unlikely to be intermediates during normal turnover in disagreement with current models. By contrast, conjugates with multiple sulfane atoms are readily metabolised by the Sox pathway...
2017: PloS One
https://www.readbyqxmd.com/read/28254958/quetiapine-v-lithium-in-the-maintenance-phase-following-a-first-episode-of-mania-randomised-controlled-trial
#16
Michael Berk, Rothanthi Daglas, Orwa Dandash, Murat Yücel, Lisa Henry, Karen Hallam, Craig Macneil, Melissa Hasty, Christos Pantelis, Brendan P Murphy, Linda Kader, Saji Damodaran, Michael T H Wong, Philippe Conus, Aswin Ratheesh, Patrick D McGorry, Sue M Cotton
BackgroundLithium and quetiapine are considered standard maintenance agents for bipolar disorder yet it is unclear how their efficacy compares with each other.AimsTo investigate the differential effect of lithium and quetiapine on symptoms of depression, mania, general functioning, global illness severity and quality of life in patients with recently stabilised first-episode mania.MethodMaintenance trial of patients with first-episode mania stabilised on a combination of lithium and quetiapine, subsequently randomised to lithium or quetiapine monotherapy (up to 800 mg/day) and followed up for 1 year...
March 2, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28251811/head-to-head-comparison-of-ranibizumab-prn-versus-single-dose-dexamethasone-for-branch-retinal-vein-occlusion-comrade-b
#17
Lars-Olof Hattenbach, Nicolas Feltgen, Thomas Bertelmann, Steffen Schmitz-Valckenberg, Hüsnü Berk, Nicole Eter, Gabriele E Lang, Matus Rehak, Simon R Taylor, Armin Wolf, Claudia Weiss, Eva-Maria Paulus, Amelie Pielen, Hans Hoerauf
PURPOSE: To compare the efficacy and safety of ranibizumab 0.5 mg versus dexamethasone 0.7 mg according to their European labels in macular oedema secondary to branch retinal vein occlusion (BRVO) in a 6-month, phase IIIb, randomized trial. METHODS: Patients received either monthly ranibizumab for 3 months followed by Pro re nata (PRN) treatment (n = 126) or a sustained-release dexamethasone implant followed by PRN sham injections (n = 118). Main outcomes were mean average change in best-corrected visual acuity (BCVA) from baseline to month 1 through month 6, mean changes in BCVA and foveal centre point thickness (FCPT), and adverse events (AEs)...
March 2, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28248408/prognostic-importance-of-central-thrombus-in-hemodynamically-stable-patients-with-pulmonary-embolism
#18
Aysegul Senturk, Savas Ozsu, Serap Duru, Ebru Cakır, Sevinc Sarinc Ulaslı, Ezgi Demirdogen, Servet Kayhan, Aygul Guzel, Fatih Yakar, Serdar Berk
BACKGROUND: The association between mortality and localization of central thrombus in hemodynamically stable patients with pulmonary embolism (PE) is unclear. Sufficient data are not available to help clinicians to select between low molecular weight heparin (LMWH), unfractionated heparin (UFH) and thrombolytics for the management of central thrombus. The present study aims to investigate whether central thrombus in the pulmonary artery affects 30-day mortality rate, and to compare the outcomes of different treatment approaches in patients with central thrombus...
March 1, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28246138/association-between-bipolar-spectrum-disorder-and-bone-health-a-meta-analysis-and-systematic-review-protocol
#19
Vinoomika Chandrasekaran, Sharon L Brennan-Olsen, Amanda L Stuart, Julie A Pasco, Michael Berk, Jason M Hodge, Lana J Williams
INTRODUCTION: Bipolar spectrum disorder is a chronic, episodic illness, associated with significant personal, social and economic burden. It is estimated to affect ∼2.4% of the population worldwide and is commonly associated with psychological and/or physiological comorbidities. Osteoporosis is one such comorbidity, a disease of bone that is asymptomatic until a fracture occurs. This systematic review attempts to capture, collate, assess and discuss the literature investigating the association between bipolar spectrum disorder and bone health...
February 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28244415/a-randomized-phase-2-trial-of-prophylactic-manuka-honey-for-the-reduction-of-chemoradiation-therapy-induced-esophagitis-during-the-treatment-of-lung-cancer-results-of-nrg-oncology-rtog-1012
#20
Shannon E Fogh, Snehal Deshmukh, Lawrence B Berk, Amylou C Dueck, Kevin Roof, Sherif Yacoub, Thomas Gergel, Kevin Stephans, Andreas Rimner, Albert DeNittis, John Pablo, Justin Rineer, Terence M Williams, Deborah Bruner
PURPOSE: Randomized trials have shown that honey is effective for the prevention of radiation-induced mucositis in head and neck cancer patients. Because there is no efficacious preventative for radiation esophagitis in lung cancer patients, this trial compared liquid honey, honey lozenges, and standard supportive care for radiation esophagitis. METHODS: The patients were stratified by percentage of esophagus receiving specific radiation dose (V60 Gy esophagus <30% or ≥30%) and were then randomized between supportive care, 10 mL of liquid manuka honey 4 times a day, and 2 lozenges (10 mL of dehydrated manuka honey) 4 times a day during concurrent chemotherapy and radiation therapy...
March 15, 2017: International Journal of Radiation Oncology, Biology, Physics
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