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epidemiology of renal diseases

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https://www.readbyqxmd.com/read/28069624/external-validation-of-the-revised-cardiac-risk-index-and-update-of-its-renal-variable-to-predict-30-day-risk-of-major-cardiac-complications-after-non-cardiac-surgery-rationale-and-plan-for-analyses-of-the-vision-study
#1
Pavel S Roshanov, Michael Walsh, P J Devereaux, S Danielle MacNeil, Ngan N Lam, Ainslie M Hildebrand, Rey R Acedillo, Marko Mrkobrada, Clara K Chow, Vincent W Lee, Lehana Thabane, Amit X Garg
INTRODUCTION: The Revised Cardiac Risk Index (RCRI) is a popular classification system to estimate patients' risk of postoperative cardiac complications based on preoperative risk factors. Renal impairment, defined as serum creatinine >2.0 mg/dL (177 µmol/L), is a component of the RCRI. The estimated glomerular filtration rate has become accepted as a more accurate indicator of renal function. We will externally validate the RCRI in a modern cohort of patients undergoing non-cardiac surgery and update its renal component...
January 9, 2017: BMJ Open
https://www.readbyqxmd.com/read/28057870/restricted-mean-survival-time-over-15-years-for-patients-starting-renal-replacement-therapy
#2
Cécile Couchoud, Emmanuelle Dantony, Mad-Hélénie Elsensohn, Emmanuel Villar, Cécile Vigneau, Olivier Moranne, Muriel Rabilloud, René Ecochard
BACKGROUND: The restricted mean survival time (RMST) estimates life expectancy up to a given time horizon and can thus express the impact of a disease. The aim of this study was to estimate the 15-year RMST of a hypothetical cohort of incident patients starting renal replacement therapy (RRT), according to their age, gender and diabetes status, and to compare it with the expected RMST of the general population. METHODS: Using data from 67 258 adult patients in the French Renal Epidemiology and Information Network (REIN) registry, we estimated the RMST of a hypothetical patient cohort (and its subgroups) for the first 15 years after starting RRT (cRMST) and used the general population mortality tables to estimate the expected RMST (pRMST)...
January 5, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28054218/cryptococcosis-in-patients-with-nephrotic-syndrome-a-pooled-analysis-of-cases
#3
Wenjie Fang, Nan Hong, Yingfang Li, Jia Liu, Lei Zhang, Weiwei Jiang, Bo Qiu, Jianping Xu, Wanqing Liao, Min Chen, Weihua Pan
Cryptococcosis is an infection that may be lethal in patients with nephrotic syndrome (NS). However, there is relatively limited epidemiological and clinical data about cryptococcosis in NS patients. We performed a pooled analysis to systemically summarize the epidemiology, risk factors, clinical and laboratory characteristics, treatments and outcomes of cryptococcosis in NS patients. Using data pooled from our hospital and studies identified via searches of three literature databases, 17 cases were identified for inclusion in this analysis...
January 4, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28049448/international-collaboration-for-the-epidemiology-of-egfr-in-low-and-middle-income-populations-rationale-and-core-protocol-for-the-disadvantaged-populations-egfr-epidemiology-study-degree
#4
Ben Caplin, Kristina Jakobsson, Jason Glaser, Dorothea Nitsch, Vivekanand Jha, Ajay Singh, Ricardo Correa-Rotter, Neil Pearce
BACKGROUND: There is an increasing recognition of epidemics of primarily tubular-interstitial chronic kidney disease (CKD) clustering in agricultural communities in low- and middle-income countries (LMICs). Although it is currently unclear whether there is a unified underlying aetiology, these conditions have been collectively termed CKD of undetermined cause (CKDu). CKDu is estimated to have led to the premature deaths of tens to hundreds of thousands of young men and women over the last 2 decades...
January 3, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28043619/identifying-patients-at-high-risk-of-tuberculosis-recurrence
#5
Ruxana T Sadikot
Several studies have been done in relation to recurrence of tuberculosis (TB) following completion of treatment. However, recurrence of TB is still a major problem from a public health perspective in high-burden countries, where no special attention is being given to this issue. Disease recurrence is an important indicator of the efficacy of antituberculosis treatment. The rate of recurrence is highly variable and has been estimated to range from 4.9% to 25%. This variability is not only a reflection of regional epidemiology of recurrence but differences in the definitions used by the TB control programs...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28034901/body-mass-index-and-mortality-among-adults-undergoing-cardiac-surgery-a-nationwide-study-with-a-systematic-review-and-meta-analysis
#6
Giovanni Mariscalco, Marcin J Woźniak, Alan G Dawson, Giuseppe F Serraino, Richard Porter, Mintu Nath, Catherine Klersy, Tracy Kumar, Gavin J Murphy
BACKGROUND: -In an apparent paradox morbidity and mortality are lower in obese patients undergoing cardiac surgery, although the nature of this association is unclear. We sought to determine whether the obesity paradox observed in cardiac surgery is attributable to reverse epidemiology, bias, or confounding. METHODS: -Data from the National Adult Cardiac Surgery registry for all cardiac surgical procedures performed between April 2002 and March 2013 were extracted...
December 28, 2016: Circulation
https://www.readbyqxmd.com/read/28029154/changes-in-the-worldwide-epidemiology-of-peritoneal-dialysis
#7
REVIEW
Philip Kam-Tao Li, Kai Ming Chow, Moniek W M Van de Luijtgaarden, David W Johnson, Kitty J Jager, Rajnish Mehrotra, Sarala Naicker, Roberto Pecoits-Filho, Xue Qing Yu, Norbert Lameire
As the global burden of chronic kidney disease continues to increase, so does the need for a cost-effective renal replacement therapy. In many countries, patient outcomes with peritoneal dialysis are comparable to or better than those with haemodialysis, and peritoneal dialysis is also more cost-effective. These benefits have not, however, always led to increased utilization of peritoneal dialysis. Use of this therapy is increasing in some countries, including China, the USA and Thailand, but has proportionally decreased in parts of Europe and in Japan...
December 28, 2016: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28012611/does-complement-factor-h-related-protein-5-nephropathy-troodos-nephropathy-protect-from-rickettsial-infections
#8
Andreas Kousios
Complement Factor H-Related protein 5 Nephropathy (CFHR5N) is an endemic hereditary renal disease in the island of Cyprus. Although only very recently recognized, it has provided insight into previously unknown genetic aspects of complement-mediated renal diseases and in fact it has contributed to the introduction of the new disease classification, 'C3 Glomerulopathy'. Herein, based on evidence from epidemiological, genetic, clinical and basic research studies, the hypothesis that CFHR5N could be protective from rickettsial infections is proposed...
January 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28009969/the-role-of-connexin43-in-diabetic-microvascular-complications
#9
Hui Li, Fang Wang
Diabetes mellitus is one of the largest global healthcare problems. People with diabetes have high risk of developing any of the microvascularcomplications, including retinopathy, nephropathy, and neuropathy, which can bring much more serious psychological and economic burden for the diabetic patients. As a consequence of its microvascular complications, diabetes has become the leading cause of blindness, end-stage renal disease, and a variety of debilitating neuropathies. Although the mechanisms involved in the development and progression of these three diabetic microvascular complications are different and have not been completely elucidated, some common histopathological features like increased vascular permeability and apoptosis of specific vascular cells are shared in retinopathy and nephropathy...
November 2016: Discovery Medicine
https://www.readbyqxmd.com/read/27977430/long-term-consequences-of-acute-kidney-injury-in-the-perioperative-setting
#10
Carlos E Palant, Richard L Amdur, Lakhmir S Chawla
PURPOSE OF REVIEW: Recent studies indicate that acute kidney injury (AKI) and chronic kidney disease (CKD) are interconnected syndromes. Although the majority of patients who suffer an episode of AKI will recover laboratory indices suggesting complete or near complete recovery of renal function, a significant portion of post-AKI survivors will develop major kidney events, including development of late-stage CKD, need for renal replacement therapies, and death. RECENT FINDINGS: Our review highlights epidemiology of adverse post-AKI events, association of AKI with late development of nonrenal adverse outcomes, use of bedside equations that facilitate prognostication of adverse renal outcomes of AKI, and how variability in serum creatinine values in individual patients, even among those with normal baseline renal function may indicate risk for the development of CKD...
February 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27976704/epidemiological-analysis-of-hemorrhagic-fever-with-renal-syndrome-in-china-with-the-seasonal-trend-decomposition-method-and-the-exponential-smoothing-model
#11
Guibao Ke, Yao Hu, Xin Huang, Xuan Peng, Min Lei, Chaoli Huang, Li Gu, Ping Xian, Dehua Yang
Hemorrhagic fever with renal syndrome (HFRS) is one of the most common infectious diseases globally. With the most reported cases in the world, the epidemic characteristics are still remained unclear in China. This paper utilized the seasonal-trend decomposition (STL) method to analyze the periodicity and seasonality of the HFRS data, and used the exponential smoothing model (ETS) model to predict incidence cases from July to December 2016 by using the data from January 2006 to June 2016. Analytic results demonstrated a favorable trend of HFRS in China, and with obvious periodicity and seasonality, the peak of the annual reported cases in winter concentrated on November to January of the following year, and reported in May and June also constituted another peak in summer...
December 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27974972/acute-kidney-injury-in-diabetes-mellitus
#12
REVIEW
D Patschan, G A Müller
Diabetes mellitus (DM) significantly increases the overall morbidity and mortality, particularly by elevating the cardiovascular risk. The kidneys are severely affected as well, partly as a result of intrarenal athero- and arteriosclerosis but also due to noninflammatory glomerular damage (diabetic nephropathy). DM is the most frequent cause of end-stage renal disease in our society. Acute kidney injury (AKI) remains a clinical and prognostic problem of fundamental importance since incidences have been increased in recent years while mortality has not substantially been improved...
2016: International Journal of Nephrology
https://www.readbyqxmd.com/read/27973554/strategies-for-enriching-variant-coverage-in-candidate-disease-loci-on-a-multiethnic-genotyping-array
#13
Stephanie A Bien, Genevieve L Wojcik, Niha Zubair, Christopher R Gignoux, Alicia R Martin, Jonathan M Kocarnik, Lisa W Martin, Steven Buyske, Jeffrey Haessler, Ryan W Walker, Iona Cheng, Mariaelisa Graff, Lucy Xia, Nora Franceschini, Tara Matise, Regina James, Lucia Hindorff, Loic Le Marchand, Kari E North, Christopher A Haiman, Ulrike Peters, Ruth J F Loos, Charles L Kooperberg, Carlos D Bustamante, Eimear E Kenny, Christopher S Carlson
Investigating genetic architecture of complex traits in ancestrally diverse populations is imperative to understand the etiology of disease. However, the current paucity of genetic research in people of African and Latin American ancestry, Hispanic and indigenous peoples in the United States is likely to exacerbate existing health disparities for many common diseases. The Population Architecture using Genomics and Epidemiology, Phase II (PAGE II), Study was initiated in 2013 by the National Human Genome Research Institute to expand our understanding of complex trait loci in ethnically diverse and well characterized study populations...
2016: PloS One
https://www.readbyqxmd.com/read/27964799/non-obvious-correlations-to-disease-management-unraveled-by-bayesian-artificial-intelligence-analyses-of-cms-data
#14
Vijetha Vemulapalli, Jiaqi Qu, Jeonifer M Garren, Leonardo O Rodrigues, Michael A Kiebish, Rangaprasad Sarangarajan, Niven R Narain, Viatcheslav R Akmaev
OBJECTIVE: Given the availability of extensive digitized healthcare data from medical records, claims and prescription information, it is now possible to use hypothesis-free, data-driven approaches to mine medical databases for novel insight. The goal of this analysis was to demonstrate the use of artificial intelligence based methods such as Bayesian networks to open up opportunities for creation of new knowledge in management of chronic conditions. MATERIALS AND METHODS: Hospital level Medicare claims data containing discharge numbers for most common diagnoses were analyzed in a hypothesis-free manner using Bayesian networks learning methodology...
November 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27959707/epidemiology-of-acute-kidney-injury-in-critically-ill-children-and-young-adults
#15
Ahmad Kaddourah, Rajit K Basu, Sean M Bagshaw, Stuart L Goldstein
Background The epidemiologic characteristics of children and young adults with acute kidney injury have been described in single-center and retrospective studies. We conducted a multinational, prospective study involving patients admitted to pediatric intensive care units to define the incremental risk of death and complications associated with severe acute kidney injury. Methods We used the Kidney Disease: Improving Global Outcomes criteria to define acute kidney injury. Severe acute kidney injury was defined as stage 2 or 3 acute kidney injury (plasma creatinine level ≥2 times the baseline level or urine output <0...
5, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/27956451/chronic-kidney-disease-towards-a-risk-based-approach
#16
Maarten W Taal
Chronic kidney disease (CKD) affects 8-16% of adults worldwide and is associated with multiple adverse outcomes. It includes a heterogeneous group of conditions with widely varied associated risks; risk stratification is therefore vital for clinical management. Use of the CKD Epidemiology Collaboration (CKD-EPI) equation to estimate glomerular filtration rate (GFR) instead of the Modification of Diet in Renal Disease (MDRD) equation will reduce, though not eliminate, over-diagnosis of CKD. Cystatin C is recommended as an alternative measure of GFR but is not yet widely used...
December 2016: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/27956436/cancer-incidence-and-survival-trends-by-subtype-using-data-from-the-surveillance-epidemiology-and-end-results-program-1992-2013
#17
Anne-Michelle Noone, Kathleen A Cronin, Sean F Altekruse, Nadia Howlader, Denise R Lewis, Valentina I Petkov, Lynne Penberthy
BACKGROUND: Cancers are heterogeneous comprising of distinct tumor subtypes. Therefore, presenting the burden of cancer in the population and trends over time by these tumor subtypes is important to identify patterns and differences in the occurrence of these subtypes, especially to generalize findings to the US general population. METHODS: Using SEER cancer registry data, we present incidence rates according to subtypes for diagnosis years (1992-2013) among men and women for five major cancer sites: breast (female only), esophagus, kidney and renal pelvis, lung and bronchus, and thyroid...
December 12, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27956196/microevolution-of-bank-voles-myodes-glareolus-at-neutral-and-immune-related-genes-during-multiannual-dynamic-cycles-consequences-for-puumala-hantavirus-epidemiology
#18
Adelaïde Dubois, Maxime Galan, Jean-François Cosson, Bertrand Gauffre, Heikki Henttonen, Jukka Niemimaa, Maria Razzauti, Liina Voutilainen, Renaud Vitalis, Emmanuel Guivier, Nathalie Charbonnel
Understanding how host dynamics, including variations of population size and dispersal, may affect the epidemiology of infectious diseases through ecological and evolutionary processes is an active research area. Here we focus on a bank vole (Myodes glareolus) metapopulation surveyed in Finland between 2005 and 2009. Bank vole is the reservoir of Puumala hantavirus (PUUV), the agent of nephropathia epidemica (NE, a mild form of hemorrhagic fever with renal symptom) in humans. M.glareolus populations experience multiannual density fluctuations that may influence the level of genetic diversity maintained in bank voles, PUUV prevalence and NE occurrence...
December 9, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27943221/a-population-pharmacokinetic-model-for-51-cr-edta-to-estimate-renal-function
#19
Isabelle H S Kuan, Stephen B Duffull, Tracey L Putt, John B W Schollum, Robert J Walker, Daniel F B Wright
BACKGROUND AND OBJECTIVES: (51)Cr EDTA clearance (CL) from plasma is used to estimate glomerular filtration rate (GFR). We propose that current methods for analysing the raw (51)Cr EDTA measurements over-simplifies the disposition of (51)Cr EDTA and therefore could produce biased GFR estimates. The aim of this study was to develop a population pharmacokinetic model for (51)Cr EDTA disposition and to compare model-predicted GFR to other methods of estimating renal function. PATIENTS AND METHODS: Data from 40 individuals who received ~7...
December 9, 2016: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/27940583/the-effect-of-ethnicity-and-genetic-ancestry-on-the-epidemiology-clinical-features-and-outcome-of-systemic-lupus-erythematosus
#20
Myles J Lewis, Ali S Jawad
In this in-depth review, we examine the worldwide epidemiology of SLE and summarize current knowledge on the influence of race/ethnicity on clinical manifestations, disease activity, damage accumulation and outcome in SLE. Susceptibility to SLE has a strong genetic component, and trans-ancestral genetic studies have revealed a substantial commonality of shared genetic risk variants across different genetic ancestries that predispose to the development of SLE. The highest increased risk of developing SLE is observed in black individuals (incidence 5- to 9-fold increased, prevalence 2- to 3-fold increased), with an increased risk also observed in South Asians, East Asians and other non-white groups, compared with white individuals...
December 10, 2016: Rheumatology
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