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https://www.readbyqxmd.com/read/29775442/-copeptin-in-children-with-chronic-kidney-disease
#1
Piotr Skrzypczyk, Magdalena Okarska-Napierała, Elżbieta Górska, Anna Stelmaszczyk-Emmel, Małgorzata Pańczyk-Tomaszewska
Studies in adult patients suggest that copeptin (C-terminal fragment of antidiuretin propeptide) is related to kidney and cardiovascular diseases. AIM: The aim was to assess copeptin concentration in children with chronic kidney disease (CKD). MATERIALS AND METHODS: In a group of 38 children with CKD (age: from 4.70 to 18.00 mean 12.23±4.19 years) we evaluated: serum copeptin concentration [ng/mL], age, sex, etiology of CKD, presence of arterial hypertension (AH), medications, glomerular filtration rate (GFR), hemoglobin, calcium-phosphorus metabolism parameters, and lipids...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29774601/the-impact-of-mitral-stenosis-on-outcomes-of-aortic-valve-stenosis-patient-undergoing-surgical-aortic-valve-replacement-or-transcatheter-aortic-valve-replacement
#2
Yasser Al-Khadra, Fahed Darmoch, Motaz Baibars, Amir Kaki, Zaher Fanari, M Chadi Alraies
BACKGROUND: The concomitant presence of mitral stenosis (MS) in the setting of symptomatic aortic stenosis represent a clinical challenge. Little is known regarding the outcome of mitral stenosis (MS) patients undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). Therefore, we sought to study the outcome of MS patients undergoing aortic valve replacement (AVR). METHOD: Using weighted data from the National Inpatient Sample (NIS) database between 2011 and 2014, we identified patients who were diagnosed with MS...
May 17, 2018: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29773235/factors-associated-with-renal-function-compensation-after-donor-nephrectomy
#3
Carla Burballa, Marta Crespo, Dolores Redondo-Pachón, María José Pérez-Sáez, Carlos Arias-Cabrales, Marisa Mir, Albert Francés, Lluís Fumadó, Lluís Cecchini, Julio Pascual
INTRODUCTION: Kidney transplant donors lose 50% of their renal mass after nephrectomy. The remaining kidney compensates for this loss and it is estimated that 70% of the baseline renal function prior to donation is recovered. Factors associated with post-donation renal compensation are not well understood. METHODS: Retrospective study of 66 consecutive kidney donors (mean age 48.8 years, 74.2% women). We analysed the potential factors associated with the compensatory mechanisms of the remaining kidney by comparing donors according to their renal compensation rate (RCR) (Group A, infra-compensation [<70%]; Group B, normal compensation [>70%])...
May 14, 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29773001/combined-administration-of-monosodium-glutamate-and-high-sucrose-diet-accelerates-the-induction-of-type-2-diabetes-vascular-dysfunction-and-memory-impairment-in-rats
#4
Kaja Saikrishna, Ringu Kumari, Kantamaneni Chaitanya, Subhankar Biswas, Pawan G Nayak, Jayesh Mudgal, Anoop Kishore, Krishnadas Nandakumar
In this study, we aimed to develop an experimental animal model for type 2 diabetes mellitus (T2DM) using a combination of monosodium glutamate (MSG) and high sucrose diet (HSD). Young male Wistar rats (20-30 g) were injected with MSG (2 or 4 mg/g, i.p. for 4 days). These rats were also fed an HSD, while the control group was fed a starch diet (SFD) for 150 days. Parameters assessed periodically were body weight, feed intake, blood glucose level, and oral glucose tolerance test (OGTT), lipid profile, liver and kidney function tests, skeletal muscle glucose uptake, cognitive function tests, and microvascular changes using isolated rat aorta...
2018: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29770213/variable-phenotypic-presentations-of-renal-involvement-in-fabry-disease-a-case-series
#5
Sarah McCloskey, Paul Brennan, John A Sayer
Fabry disease is an X-linked genetic deficiency in the alpha-galactosidase enzyme resulting in intracellular accumulation of glycosphingolipids and multisystem organ dysfunction. Typically 50% of males and 20% of affected females have renal involvement, ranging from proteinuria or reduced renal function, renal parapelvic cysts and progressive renal disease ultimately requiring transplantation or dialysis. The phenotypic presentation of Fabry disease is incredibly varied and will even vary between family members with the same confirmed genetic mutation...
2018: F1000Research
https://www.readbyqxmd.com/read/29769597/long-term-risk-for-end-stage-kidney-disease-and-death-in-a-large-population-based-cohort
#6
Emanuel Zitt, Constanze Pscheidt, Hans Concin, Reinhard Kramar, Raphael S Peter, Jan Beyersmann, Karl Lhotta, Gabriele Nagel
Knowledge of metabolic risk factors for end-stage kidney disease (ESKD) in the general population is limited when considering the competing event death in risk analysis. The aim of our prospective observational study was to investigate how blood pressure and metabolic factors might influence the risks for ESKD and death before ESKD in a large Austrian population-based cohort with long-term follow-up. 177,255 participants (53.8% women; mean age 42.5 years) were recruited between 1988 and 2005 and linked to the Austrian Dialysis and Transplant Registry and the National Mortality Registry...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769083/racial-ethnic-disparities-among-asian-americans-in-inpatient-acute-myocardial-infarction-mortality-in-the-united-states
#7
Eun Ji Kim, Nancy R Kressin, Michael K Paasche-Orlow, Lenny Lopez, Jennifer E Rosen, Mengyun Lin, Amresh D Hanchate
BACKGROUND: Acute myocardial infarction (AMI) is a common high-risk disease with inpatient mortality of 5% nationally. But little is known about this outcome among Asian Americans (Asians), a fast growing racial/ethnic minority in the country. The objectives of the study are to obtain near-national estimates of differences in AMI inpatient mortality between minorities (including Asians) and non-Hispanic Whites and identify comorbidities and sociodemographic characteristics associated with these differences...
May 16, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29768511/12-year-trends-in-cardiovascular-risk-factors-2002-2005-through-2011-2014-in-patients-with-cardiovascular-diseases-tehran-lipid-and-glucose-study
#8
SeyedHossein Rabani, Mahsa Sardarinia, Samaneh Akbarpour, Fereidoun Azizi, Davood Khalili, Farzad Hadaegh
BACKGROUND: To examine the trend of cardiovascular diseases (CVD) risk factors among a Middle Eastern population with prevalent CVD during a median follow up of 12 years. METHODS: Patients with prevalent CVD (n = 282, men = 167), with a mean age of 60.76 years were evaluated in four study phases of the TLGS (Tehran lipid glucose study), 2002-2005, 2005-2008, 2008-2011, and 2011-2014. Trends of CVD risk factors were estimated using generalized estimation equation (GEE) models, by adjusting for gender, age and propensity scores...
2018: PloS One
https://www.readbyqxmd.com/read/29767556/hydronephrosis-is-associated-with-elevated-plasmin-in-urine-in-pediatric-patients-and-rats-and-changes-in-ncc-and-%C3%AE-enac-abundance-in-rat-kidney
#9
Rikke Zachar, Ammar Al-Mashhadi, Henrik Dimke, Per Svenningsen, Boye L Jensen, Mattias Carlström
Obstruction of urine flow at the level of the pelvo-ureteric junction (UPJO) and subsequent development of hydronephrosis is one of the most common congenital renal malformations. UPJO is associated with development of salt-sensitive hypertension, which is set by the obstructed kidney, and with a stimulated renin-angiotensin-aldosterone system (RAAS) in rodent models. This study aimed at investigating the hypothesis that i) in pediatric patients with UPJO the RAAS is activated prior to surgical relief of the obstruction; ii) in rats with UPJO the RAAS activation is reflected by increased abundance of renal aldosterone-stimulated Na+ transporters; and iii) the injured UPJO kidney allows aberrant filtration of plasminogen leading to proteolytic activation of the epithelial sodium channel gamma subunit (γ-ENaC)...
May 16, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29766537/quantifying-and-estimating-the-predictive-accuracy-for-censored-time-to-event-data-with-competing-risks
#10
Cai Wu, Liang Li
This paper focuses on quantifying and estimating the predictive accuracy of prognostic models for time-to-event outcomes with competing events. We consider the time-dependent discrimination and calibration metrics, including the receiver operating characteristics curve and the Brier score, in the context of competing risks. To address censoring, we propose a unified nonparametric estimation framework for both discrimination and calibration measures, by weighting the censored subjects with the conditional probability of the event of interest given the observed data...
May 15, 2018: Statistics in Medicine
https://www.readbyqxmd.com/read/29766465/effects-of-fenoldopam-on-renal-blood-flow-in-hypertensive-chronic-kidney-disease
#11
Valentina Rovella, Michele Ferrannini, Manfredi Tesauro, Giulia Marrone, Andrea Busca, Roberto Sorge, Simone Manca di Villahermosa, Maurizio Casasco, Nicola Di Daniele, Annalisa Noce
BACKGROUND AND AIM: The synthetic drug fenoldopam mesylate (FM) may have a renoprotective role, and a "renal dose" of 0.1 µg/kg/min intravenous (IV) infusion of FM has been reported as able to increase renal blood flow without affecting systemic blood pressure. But conclusive data are still lacking. We aimed to investigate by color-Doppler ultrasonography the effects of IV administration of FM at this dosage in hypertensive chronic kidney disease (CKD) patients, and verify whether it may induce any systemic hemodynamic alteration...
May 15, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29763911/clinical-correlates-of-ambulatory-blood-pressure-phenotypes-at-a-tertiary-care-hospital-in-turkey
#12
Siyar Erdogmus, Sim Kutlay, Zeynep Kendi Celebi, Tolga Aydın, Damla Ors Sendogan, Gizem Kumru, Kenan Keven, Gokhan Nergizoglu, Sehsuvar Erturk, Sule Sengul
BACKGROUND/AIMS: Hypertension and its complications are major public health issues worldwide due to their association with high cardiovascular morbidity and mortality. Despite significant progress in health, the prevalence of hypertension is increasing. Ambulatory blood pressure monitoring (ABPM) is becoming increasingly important for the management of hypertension. In this study, we aimed to investigate the clinical and laboratory correlates of ambulatory blood pressure (ABP) phenotypes at a tertiary care hospital in Turkey...
May 10, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29763910/different-relevance-of-peripheral-central-or-nighttime-blood-pressure-measurements-in-the-prediction-of-chronic-kidney-disease-progression-in-patients-with-mild-or-no-proteinuria
#13
Piotr Kuczera, Katarzyna Kwiecień, Marcin Adamczak, Teresa Bączkowska, Jolanta Gozdowska, Katarzyna Madziarska, Hanna Augustyniak-Bartosik, Marian Klinger, Magdalena Durlik, Eberhard Ritz, Andrzej Wiecek
BACKGROUND/AIMS: Arterial hypertension is one of the leading factors aggravating the course of chronic kidney disease (CKD). It seems that the novel parameters used in the assessment of the blood pressure (BP) load (i.e. central blood pressure, nighttime blood pressure) may be more precise in predicting the cardiovascular risk and the progression of CKD in comparison with the traditional peripheral blood pressure measurements in the office conditions. The aim of the study was to assess the impact of the central, or nighttime blood pressure on the progression of CKD in patients with mild or no-proteinuria (autosomal, dominant polycystic kidney disease or IgA nephropathy)...
May 10, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29762119/hip-fracture-mortality-differences-between-intertrochanteric-and-femoral-neck-fractures
#14
Nicholas B Frisch, Nolan Wessell, Michael Charters, Alexander Greenstein, Jonathan Shaw, Edward Peterson, S Trent Guthrie
The purpose of this study was to identify the specific risk factors that affect mortality in patients with hip fractures and differentiate mortality-associated factors between intertrochanteric (IT) and femoral neck (FN) fractures. A total of 1538 consecutive patients with hip fractures were treated at the authors' institution between January 2005 and October 2013. Ultimately 858 IT and 479 FN fracture patients were included on the basis of age >60 years with an isolated hip fracture. Mortality rate at 90 days was 12...
2018: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29761476/comparison-of-materno-fetal-predictors-and-short-term-outcomes-between-early-and-late-onset-pre-eclampsia-in-the-low-income-setting-of-douala-cameroon
#15
Charlotte Tchente Nguefack, Annabel Ako Mangwi, Anastase Dzudie Tamdja, Théophile Nana Njamen, Paul Nkemtendong Tolefack, Emile Mboudou
OBJECTIVE: To describe and compare materno-fetal predictors and short-term outcomes of early onset pre-eclampsia (EOPE) and late onset pre-eclampsia (LOPE) in Douala, Cameroon. METHODS: The present prospective hospital-based cross-sectional study included women with pre-eclampsia attending obstetric units at four hospitals in Douala between December 1, 2016, and April 30, 2017. To determine maternal predictors, sociodemographic and medical data were recorded using a pretested questionnaire...
May 14, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29761105/prevalence-of-proteinuria-and-albuminuria-in-an-obese-population-and-associated-risk-factors
#16
Jordan L Rosenstock, Max Pommier, Guillaume Stoffels, Satyam Patel, Michael F Michelis
Obesity has been increasingly recognized as a risk factor for kidney disease and both proteinuria and microalbuminuria have been associated with obesity. The actual prevalence of microalbuminuria and proteinuria in obese patients in the United States (US) has not been clearly described in the literature. Furthermore, obesity is associated with risk factors of kidney disease, such as diabetes and hypertension (HTN), and the prevalence of proteinuria and albuminuria excluding these risk factors is uncertain. In this study, we collected urine albumin/creatinine and urine protein/creatinine ratios on obese patients undergoing bariatric surgery to determine the prevalence of albuminuria and proteinuria in obese patients with and without associated diabetes and HTN...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29760664/reduced-renal-mass-salt-sensitive-hypertension-is-resistant-to-renal-denervation
#17
Ionut Tudorancea, Thomas E Lohmeier, Barbara T Alexander, Dragos Pieptu, Dragomir N Serban, Radu Iliescu
Aim: Activation of the sympathetic nervous system is common in resistant hypertension (RHT) and also in chronic kidney disease (CKD), a prevalent condition among resistant hypertensives. However, renal nerve ablation lowers blood pressure (BP) only in some patients with RHT. The influence of loss of nephrons per se on the antihypertensive response to renal denervation (RDNx) is unclear and was the focus of this study. Methods: Systemic hemodynamics and sympathetically mediated low frequency oscillations of systolic BP were determined continuously from telemetrically acquired BP recordings in rats before and after surgical excision of ∼80% of renal mass and subsequent RDNx...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29760448/the-gut-microbiota-and-the-brain-gut-kidney-axis-in-hypertension-and-chronic-kidney-disease
#18
REVIEW
Tao Yang, Elaine M Richards, Carl J Pepine, Mohan K Raizada
Crosstalk between the gut microbiota and the host has attracted considerable attention owing to its involvement in diverse diseases. Chronic kidney disease (CKD) is commonly associated with hypertension and is characterized by immune dysregulation, metabolic disorder and sympathetic activation, which are all linked to gut dysbiosis and altered host-microbiota crosstalk. In this Review, we discuss the complex interplay between the brain, the gut, the microbiota and the kidney in CKD and hypertension and explain our brain-gut-kidney axis hypothesis for the pathogenesis of these diseases...
May 14, 2018: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/29756690/preoperative-predictive-model-for-acute-kidney-injury-after-elective-cardiac-surgery-a-prospective-multicentre-cohort-study
#19
Raquel Callejas, Alfredo Panadero, Marc Vives, Paula Duque, Gemma Echarri, Pablo Monedero
BACKGROUND: Predictive models of CS-AKI include emergency surgery and patients with haemodynamic instability. Our objective was to evaluate the performance of validated predictive models (Thakar and Demirjian) in elective cardiac surgery and to propose a better score in the case of poor performance. METHODS: A prospective, multicentre, observational study was designed. Data were collected from 942 patients undergoing cardiac surgery, after excluding emergency surgery and patients with an intraaortic balloon pump...
May 11, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29754908/an-operational-definition-of-shats-systemic-hemodynamic-atherosclerotic-syndrome-role-of-arterial-stiffness-and-blood-pressure-variability-in-elderly-hypertensive-subjects
#20
Angelo Scuteri, Valentina Rovella, Danilo Alunni Fegatelli, Manfredi Tesauro, Marco Gabriele, Nicola Di Daniele
BACKGROUND: CV risk exponentially increases as the number of damaged organs increases The Systemic Hemodynamic Atherosclerotic Syndrome (SHATS) represents a novel conceptualization of the CV continuum focusing on simultaneous multi-organ alteration. This is the first study operationally defining SHATS and aimed at identifying its determinants. METHODS: Left Ventricular Hypertrophy (echocardiography), Common Carotid Artery plaque and increased thickness (ultrasound), and Chronic Kidney Disease (estimated Glomerular Filtration Rate) indexed selective target organ damage...
July 15, 2018: International Journal of Cardiology
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