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https://www.readbyqxmd.com/read/28241062/increased-breakdown-of-kynurenine-towards-its-neurotoxic-branch-in-bipolar-disorder
#1
Armin Birner, Martina Platzer, Susanne Astrid Bengesser, Nina Dalkner, Frederike T Fellendorf, Robert Queissner, Rene Pilz, Philipp Rauch, Alexander Maget, Carlo Hamm, Simone Herzog-Eberhard, Harald Mangge, Dietmar Fuchs, Natalie Moll, Sieglinde Zelzer, Gregor Schütze, Markus Schwarz, Bernd Reininghaus, Hans-Peter Kapfhammer, Eva Z Reininghaus
INTRODUCTION: Bipolar disorder (BD) is a chronic psychiatric disease which can take most different and unpredictable courses. It is accompanied by unspecific brainstructural changes and cognitive decline. The neurobiological underpinnings of these processes are still unclear. Emerging evidence suggests that tryptophan catabolites (TRYCATs), which involve all metabolites of tryptophan towards the kynurenine (KYN) branch, are involved in the etiology as well as in the course of BD. They are proposed to be mediators of immune-inflammation and neurodegeneration...
2017: PloS One
https://www.readbyqxmd.com/read/28240969/evidence-of-stage-shift-in-women-diagnosed-with-ovarian-cancer-during-phase-ii-of-the-united-kingdom-familial-ovarian-cancer-screening-study
#2
Adam N Rosenthal, Lindsay S M Fraser, Susan Philpott, Ranjit Manchanda, Matthew Burnell, Philip Badman, Richard Hadwin, Ivana Rizzuto, Elizabeth Benjamin, Naveena Singh, D Gareth Evans, Diana M Eccles, Andy Ryan, Robert Liston, Anne Dawnay, Jeremy Ford, Richard Gunu, James Mackay, Steven J Skates, Usha Menon, Ian J Jacobs
Purpose To establish the performance of screening with serum cancer antigen 125 (CA-125), interpreted using the risk of ovarian cancer algorithm (ROCA), and transvaginal sonography (TVS) for women at high risk of ovarian cancer (OC) or fallopian tube cancer (FTC). Patients and Methods Women whose estimated lifetime risk of OC/FTC was ≥ 10% were recruited at 42 centers in the United Kingdom and underwent ROCA screening every 4 months. TVS occurred annually if ROCA results were normal or within 2 months of an abnormal ROCA result...
February 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28240805/a-multi-center-study-to-define-sarcopenia-in-patients-with-end-stage-liver-disease
#3
Elizabeth J Carey, Jennifer C Lai, Connie W Wang, Srinivasan Dasarathy, Iryna Lobach, Aldo J Montano-Loza, Michael A Dunn
Sarcopenia is associated with increased waitlist mortality, but a standard definition is lacking. In this retrospective study, we sought to determine the optimal definition of sarcopenia in end-stage liver disease (ESLD) patients awaiting LT. Included were 396 patients newly listed for LT in 2012 at five North American transplant centers. All CT scans were read by two individuals with inter-observer correlation of 98%. Using image analysis software, the total cross-sectional area (cm(2) ) of abdominal skeletal muscle at L3 was measured...
February 27, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28240612/quick-chronic-liver-failure-sequential-organ-failure-assessment-an-easy-to-use-scoring-model-for-predicting-mortality-risk-in-critically-ill-cirrhosis-patients
#4
Xiao-Dong Zhou, Jia-Ying Zhang, Wen-Yue Liu, Sheng-Jie Wu, Ke-Qing Shi, Martin Braddock, Yong-Ping Chen, Wei-Jian Huang, Ming-Hua Zheng
BACKGROUND AND AIM: Critically ill cirrhosis patients have an increased risk of morbidity and mortality, even after admission to the ICU. Our objectives were to compare the predictive accuracy of model for end-stage liver disease (MELD), MELD-Na, UK model for end-stage liver disease, and chronic liver failure-sequential organ failure assessment (CLIF-SOFA) by the development and validation of an easy-to-use prognostic model [named quick CLIF-SOFA (qCLIF-SOFA)] for early risk prediction in critically ill patients with cirrhosis...
February 24, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28240525/infrapopliteal-calcification-patterns-in-critical-limb-ischemia-diagnostic-pathologic-and-therapeutic-implications-in-the-search-for-the-endovascular-holy-grail
#5
Jihad A Mustapha, Larry J Diaz-Sandoval, Fadi Saab
Critical limb ischemia (CLI) represents the terminal stage of peripheral arterial disease (PAD) and is characterized by multilevel and multivessel disease. Amongst patients with infrainguinal disease, approximately one third have predominantly isolated infrapopliteal disease and the remaining two thirds, a combination of femoropopliteal and infrapopliteal disease. Isolated infrapopliteal disease is mainly seen in the elderly, diabetic, or dialysis-dependent patients. These patients have higher risk of amputation and shorter amputation-free survival...
February 27, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28240344/a-novel-model-based-control-strategy-for-aerobic-filamentous-fungal-fed-batch-fermentation-processes
#6
Lisa Mears, Stuart M Stocks, Mads O Albaek, Benny Cassells, Gürkan Sin, Krist V Gernaey
A novel model-based control strategy is developed for filamentous fungal fed-batch fermentation processes. The system of interest is a pilot scale (550L) filamentous fungus process operating at Novozymes A/S. In such processes, it is desirable to maximize the total product achieved in a batch in a defined process time. In order to achieve this goal, it is important to maximize both the product concentration, and also the total final mass in the fed-batch system. To this end, we describe the development of a control strategy which aims to achieve maximum tank fill, whilst avoiding oxygen limited conditions...
February 27, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28239953/depression-anxiety-and-health-related-quality-of-life-amongst-patients-who-are-starting-dialysis-treatment
#7
Ana Rebollo Rubio, José Miguel Morales Asencio, Ma Eugenia Pons Raventos
BACKGROUND: Chronic kidney disease (CKD) has a severe impact on patients' health-related quality of life (HRQL). The start of renal replacement therapy (RRT) significantly influences psychological, physical and social aspects of life. OBJECTIVES: To analyse the HRQL and psychological status (anxiety and depression) at the start of RRT. METHODS: We undertook an observational descriptive cross-sectional study. A total of 152 patients starting RRT were recruited for the study...
February 27, 2017: Journal of Renal Care
https://www.readbyqxmd.com/read/28239909/ledipasvir-sofosbuvir-is-effective-and-well-tolerated-in-post-kidney-transplant-patients-with-chronic-hepatitis-c-virus
#8
Amilcar L Morales, Luz Liriano-Ward, Amber Tierney, Michelle Sang, Alexander Lalos, Mohamed Hassan, Vinay Nair, Thomas Schiano, Rohit Satoskar, Coleman Smith
Patients with end stage renal diseases on hemodialysis have a high prevalence of hepatitis C infection (HCV). In most patients treatment for HCV is delayed until post renal transplant. We assessed the effectiveness and tolerance of ledipasvir/sofosbuvir (LDV/SOF) in 32 post-kidney transplant patients infected with HCV. The group was composed predominantly of treatment naïve (75%) African American (68.75%) males (75%) infected with genotype 1a (62.5%). Most patients received a deceased donor kidney graft (78...
February 26, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28239581/role-of-histopathology-in-differentiating-primary-atrophic-rhinitis-from-atrophic-stage-of-rhinoscleroma
#9
Umesh S Nagalotimath, Krishnamurthy Naveen, Rekha B Puranik, Dandinarasaiah Manjunath, Mahesh Venkatesha
Atrophic rhinitis (AR) is a chronic debilitating nasal mucosal disease of unknown aetiology and the definitive treatment is still elusive. This often leads to the patient suffering during the entire life span often depleting the individual psychologically. On the contrary, Rhinoscleroma (RS) for which the aetiology is clearly known and is completely curable has atrophic stage which is clinically indistinguishable from AR. Many cases of atrophic stage of RS are undetected and often they end up being treated as AR...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28239169/cardiovascular-disease-in-haemodialysis-role-of-the-intravascular-innate-immune-system
#10
REVIEW
Kristina N Ekdahl, Inga Soveri, Jöns Hilborn, Bengt Fellström, Bo Nilsson
Haemodialysis is a life-saving renal replacement modality for end-stage renal disease, but this therapy also represents a major challenge to the intravascular innate immune system, which is comprised of the complement, contact and coagulation systems. Chronic inflammation is strongly associated with cardiovascular disease (CVD) in patients on haemodialysis. Biomaterial-induced contact activation of proteins within the plasma cascade systems occurs during haemodialysis and initially leads to local generation of inflammatory mediators on the biomaterial surface...
February 27, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28238984/race-racism-and-access-to-renal-transplantation-among-african-americans
#11
Kimberly Jacob Arriola
There are clear and compelling racial disparities in access to renal transplant, which is the therapy of choice for many patients with end stage renal disease. This paper conceptualizes the role of racism (i.e., internalized, personally-mediated, and institutionalized) in creating and perpetuating these disparities at multiple levels of the social ecology by integrating two often-cited theories in the literature. Internalized racism is manifested at the intrapersonal level when, for example, African American patients devalue their self-worth, thereby not pursuing the most aggressive treatment available...
2017: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/28238919/characteristics-management-and-outcomes-of-surgically-treated-arteriovenous-fistula-aneurysm-in-patients-on-regular-hemodialysis
#12
Hassan Al-Thani, Ayman El-Menyar, Noora Al-Thani, Mohammad Asim, Ahmed Hussein, Ahmed Sadek, Ahmed Sharaf, Amr Fares
BACKGROUND: To investigate the clinical characteristics, surgical interventions and outcomes of arteriovenous fistula (AVF) aneurysms, we retrospectively analyzed patients on regular hemodialysis (HD). METHODS: We conducted a cohort study of all patients with HD access who presented with AVF aneurysms and underwent operative procedures over a 11-year period. Patients' demographics, comorbidities, vascular access characteristics, management of aneurysms, complications and outcomes were analyzed...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28238757/variations-in-preoperative-use-of-bone-scan-among-medicare-beneficiaries-undergoing-radical-cystectomy
#13
Robert M Turner, Jonathan G Yabes, Benjamin J Davies, Dwight E Heron, Bruce L Jacobs
OBJECTIVES: To examine factors associated with the bone scan use in patients undergoing radical cystectomy and to assess trends in use over time. METHODS: Using Surveillance, Epidemiology, and End Results-Medicare data, we identified 5,573 patients who underwent radical cystectomy from 2004-2011. The primary outcome was completion of a bone scan within 6 months prior to surgery. Demographic, regional, and clinicopathologic predictors of bone scan use were examined using a mixed logit model with health service area as a random effect...
February 23, 2017: Urology
https://www.readbyqxmd.com/read/28238592/frequency-of-carcinoid-syndrome-at-neuroendocrine-tumour-diagnosis-a-population-based-study
#14
Daniel M Halperin, Chan Shen, Arvind Dasari, Ying Xu, Yiyi Chu, Shouhao Zhou, Ya-Chen Tina Shih, James C Yao
BACKGROUND: Neuroendocrine tumours (NETs) can secrete bioactive amines into the bloodstream, causing carcinoid syndrome, with symptoms including flushing and diarrhoea. However, carcinoid syndrome frequency in the NET population has never been rigorously assessed, nor has its relationship to presenting clinicopathological characteristics. This analysis assessed the proportion of patients with NETs and carcinoid syndrome in the USA and associated clinical factors. METHODS: We identified patients (≥65 years of age) from the Surveillance, Epidemiology, and End Results-Medicare database, excluding those with pancreatic tumours or small-cell or large-cell lung cancer, as well as those without complete data...
February 23, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28238456/ethical-issues-in-dialysis-therapy
#15
Vivekanand Jha, Dominique E Martin, Joanne M Bargman, Simon Davies, John Feehally, Fred Finkelstein, David Harris, Madhukar Misra, Giuseppe Remuzzi, Adeera Levin
Treatment for end-stage kidney disease is a major economic challenge and a public health concern worldwide. Renal-replacement therapy poses several practical and ethical dilemmas of global relevance for patients, clinicians, and policy makers. These include how to: promote patients' best interests; increase access to dialysis while maintaining procedural and distributive justice; minimise the influence of financial incentives and competing interests; ensure quality of care in service delivery and access to non-dialytic supportive care when needed; minimise the financial burden on patients and health-care system; and protect the interests of vulnerable groups during crisis situations...
February 23, 2017: Lancet
https://www.readbyqxmd.com/read/28238350/pre-cardiac-transplant-amiodarone-use-is-not-associated-with-postoperative-mortality-an-updated-meta-analysis
#16
Douglas L Jennings, William L Baker
BACKGROUND: Amiodarone remains the preferred agent for the treatment and prevention of life-threatening ventricular arrhythmias in patients with end-stage heart failure. While several reports suggest that pre-operative amiodarone exposure worsens outcomes in heart transplant recipients, other studies have failed to validate this relationship. We sought to clarify this issue by performing a meta-analysis of the available literature surrounding this topic. METHODS: We searched Medline, SCOPUS and the Cochrane Central Register of Controlled Trials through December 15th 2016, as well as proceedings from related conferences over the prior 3years...
February 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28238344/implications-of-inaccurate-clinical-nodal-staging-in-pancreatic-adenocarcinoma
#17
Douglas S Swords, Matthew A Firpo, Kirsten M Johnson, Kenneth M Boucher, Courtney L Scaife, Sean J Mulvihill
BACKGROUND: Many patients with stage I-II pancreatic adenocarcinoma do not undergo resection. We hypothesized that (1) clinical staging underestimates nodal involvement, causing stage IIB to have a greater percent of resected patients and (2) this stage-shift causes discrepancies in observed survival. METHODS: The Surveillance, Epidemiology, and End Results (SEER) research database was used to evaluate cause-specific survival in patients with pancreatic adenocarcinoma from 2004-2012...
February 18, 2017: Surgery
https://www.readbyqxmd.com/read/28238284/native-t1-mapping-inter-study-inter-observer-and-inter-center-reproducibility-in-hemodialysis-patients
#18
Matthew P M Graham-Brown, Elaine Rutherford, E Levelt, Daniel S March, Darren R Churchward, David J Stensel, Christie McComb, Kenneth Mangion, Samantha Cockburn, Colin Berry, James C Moon, Patrick B Mark, James O Burton, Gerry P McCann
BACKGROUND: Native T1 mapping is a cardiovascular magnetic resonance (CMR) technique that associates with markers of fibrosis and strain in hemodialysis patients. The reproducibility of T1 mapping in hemodialysis patients, prone to changes in fluid status, is unknown. Accurate quantification of myocardial fibrosis in this population has prognostic potential. METHODS: Using 3 Tesla CMR, we report the results of 1) the inter-study, inter-observer and intra-observer reproducibility of native T1 mapping in 10 hemodialysis patients; 2) inter-study reproducibility of left ventricular (LV) structure and function in 10 hemodialysis patients; 3) the agreement of native T1 map and native T1 phantom analyses between two centres in 20 hemodialysis patients; 4) the effect of changes in markers of fluid status on native T1 values in 10 hemodialysis patients...
February 27, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28238223/glucose-lowering-agents-for-treating-pre-existing-and-new-onset-diabetes-in-kidney-transplant-recipients
#19
REVIEW
Clement Lo, Min Jun, Sunil V Badve, Helen Pilmore, Sarah L White, Carmel Hawley, Alan Cass, Vlado Perkovic, Sophia Zoungas
BACKGROUND: Kidney transplantation is the preferred form of kidney replacement therapy for patients with end-stage kidney disease (ESKD) and is often complicated by worsening or new-onset diabetes. Management of hyperglycaemia is important to reduce post-transplant and diabetes-related complications. The safety and efficacy of glucose-lowering agents after kidney transplantation is largely unknown. OBJECTIVES: To evaluate the efficacy and safety of pharmacological interventions for lowering glucose levels in patients who have undergone kidney transplantation and have diabetes...
February 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28238157/cognitive-remediation-in-pediatric-chronic-kidney-disease-and-end-stage-kidney-disease-rationale-candidate-interventions-and-applicability
#20
Karina Javalkar, Maria E Ferris, Jessica Cuttance, Stephen R Hooper
The purpose of this paper is to address the potential use of cognitive remediation interventions for children and adolescents with chronic kidney disease (CKD) and end-stage kidney disease (ESKD). The prevalence and risk for neurocognitive dysfunction in children with this condition remains high, but, to date, interventions targeting these challenges have not been attempted either individually or as part of a larger treatment program. This is the next logical step in addressing the neurocognitive dysfunction that can be present in pediatric CKD/ESKD, with the field needing to determine the efficacy of cognitive remediation approaches for this population...
February 25, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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