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https://www.readbyqxmd.com/read/29782819/analytical-performance-of-an-immunoassay-to-measure-proenkephalin
#1
Leslie J Donato, Jeffrey W Meeusen, John C Lieske, Deborah Bergmann, Andrea Sparwaßer, Allan S Jaffe
BACKGROUND: Endogenous opioids, enkephalins, are known to increase with acute kidney injury. Since the mature pentapeptides are unstable, we evaluated the performance of an assay that measures proenkephalin 119-159 (PENK), a stable peptide formed concomitantly with mature enkephalins. METHODS: PENK assay performance was evaluated on two microtiterplate/chemiluminescence sandwich immunoassay formats that required 18 or 1 h incubation times. PENK concentration was measured in plasma from healthy individuals to establish a reference interval and in patients with varied levels of kidney function and comorbidities to assess the association with measured glomerular filtration rate (mGFR) using iothalamate clearance...
May 18, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29782286/-ngal-as-a-marker-for-some-extrarenal-complications-in-acute-coronary-syndrome
#2
M A Shalenkova, Z D Mikhailova, P F Klimkin
AIM: To study the role of neutrophil gelatinase-associated lipocalin (NGAL) as a marker for extrarenal complications in patients with acute coronary syndrome (ACS). MATERIALS AND METHODS: For 110 patients with ACS on days 1-3 of hospitalization, concentrations of NGAL, serum (s-NGAL) and urinary (u-NGAL) NGAL, and N-terminal fragment of pro-B natriuretic peptide (NT-proBNP) were measured, and transthoracic echocardiography was performed. Incidence of cardiovascular complications was determined during the stay in the hospital; hemodynamic parameters (systolic and diastolic blood pressure, heart rate) were measured on admission...
2018: Kardiologiia
https://www.readbyqxmd.com/read/29780817/clinical-profile-and-outcome-of-patients-with-acute-kidney-injury-requiring-hemodialysis-two-years-experience-at-a-tertiary-hospital-in-rwanda
#3
Grace Igiraneza, Benedicte Ndayishimiye, Menelas Nkeshimana, Vincent Dusabejambo, Onyema Ogbuagu
Introduction: Acute kidney injury (AKI) requiring renal replacement therapy is associated with high mortality. The study assessed the impact of the introduction of hemodialysis (HD) on outcomes of patients with AKI in Rwanda. Methods: A single center retrospective study that evaluated the clinical profile and survival outcomes of patients with AKI requiring HD [AKI-D] at a tertiary hospital in Rwanda. Data was collected on patients who received HD for AKI from September 2014 to December 2016...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29780596/value-of-routine-stool-testing-for-pathogenic-bacteria-in-the-evaluation-of-symptomatic-patients-with-ileal-pouches
#4
Amandeep Singh, Jean Ashburn, Gursimran Kochhar, Rocio Lopez, Tracy L Hull, Bo Shen
Background: In symptomatic patients with an ileal pouch, stool studies are often sent to diagnose enteric pathogens. Aim of this study is to find the value of routine stool studies in the evaluation of symptomatic patients and the clinical implications of such pathogens in patients with ileal pouches. Methods: Consecutive ileal pouch-anal anastomosis (IPAA) patients who had stool tests out of a 2283-case registry from 2002 to 2015 were included in the study. Patients with positive stool cultures were compared with controls (symptomatic without positive stool culture) in a 1:4 ratio...
May 2018: Gastroenterology Report
https://www.readbyqxmd.com/read/29780587/development-of-a-vancomycin-dosing-approach-for-critically-ill-patients-receiving-hybrid-hemodialysis-using-monte-carlo-simulation
#5
Susan J Lewis, Bruce A Mueller
Objectives: Prolonged intermittent renal replacement therapy is an increasingly popular treatment for acute kidney injury in critically ill patients that runs at different flow rates and durations than conventional hemodialysis or continuous renal replacement therapies. Pharmacokinetic studies conducted in patients receiving prolonged intermittent renal replacement therapy are scarce; consequently, clinicians are challenged to dose antibiotics effectively. The purpose of this study was to develop vancomycin dosing recommendations for patients receiving prolonged intermittent renal replacement therapy...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29779635/perfusion-induced-acute-kidney-injury-a-litany-of-uncertainty-and-frustration
#6
EDITORIAL
Victor A Ferraris
No abstract text is available yet for this article.
May 1, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778842/curcumin-attenuates-sepsis-induced-acute-organ-dysfunction-by-preventing-inflammation-and-enhancing-the-suppressive-function-of-tregs
#7
Longwang Chen, Yang Lu, Linjun Zhao, Lili Hu, Qiaomeng Qiu, Zhuoling Zhang, Mengfang Li, Guangliang Hong, Bing Wu, Guangju Zhao, Zhongqiu Lu
Sepsis is characterized by the extensive release of cytokines and other mediators. It results in a dysregulated immune response and can lead to organ damage and death. Curcumin has anti-inflammatory properties and immunoregulation functions in various disorders such as sepsis, cancer, rheumatoid arthritis, cardiovascular diseases, lung fibrosis, gallstone formation, and diabetes. This paper investigates the effects of curcumin on immune status and inflammatory response in mice subjected to cecal ligation and puncture (CLP)...
May 17, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29778557/nanotechnological-foundations-of-a-%C3%A2-new%C3%A2-nephrology
#8
M Laura Sorian, Alberto Rodríguez-Benot, Miguel Valcárcel
After contextualising the generic frameworks of nanotechnology and nanomedicine, the 2disciplines are discussed in the field of Nephrology. The potential downside to nanonephrology is the renal clearance of nanoparticles, the use of which is ever-increasing both for nanomedicinal purposes and in nanofoods. The positive impact of nanotechnology in Nephrology is centred on the development of renal nanodiagnostics for basic renal function studies, the early diagnosis of acute kidney injury, reliable and simple follow-up of chronic kidney disease and the improvement of magnetic resonance imaging...
May 16, 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29778331/goal-directed-perfusion-to-reduce-acute-kidney-injury-a-randomized-trial
#9
Marco Ranucci, Ian Johnson, Timothy Willcox, Robert A Baker, Christa Boer, Andreas Baumann, George A Justison, Filip de Somer, Paul Exton, Seema Agarwal, Rachael Parke, Richard F Newland, Renard G Haumann, Dirk Buchwald, Nathaen Weitzel, Rajamiyer Venkateswaran, Valeria Pistuddi
OBJECTIVE: To determine whether a goal-directed perfusion (GDP) strategy aimed at maintaining oxygen delivery (DO2 ) at ≥280 mL·min-1 ·m-2 reduces the incidence of acute kidney injury (AKI). METHODS: This multicenter randomized trial enrolled a total of 350 patients undergoing cardiac surgery in 9 institutions. Patients were randomized to receive either GDP or conventional perfusion. A total of 326 patients completed the study and were analyzed. Patients in the treatment arm were treated with a GDP strategy during cardiopulmonary bypass (CPB) aimed to maintain DO2 at ≥280 mL·min-1 ·m-2 ...
April 18, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778133/study-of-acute-kidney-injury-on-309-hypertensive-inpatients-with-acei-arb-diuretic-treatment
#10
Qiaochao Chen, Shaofang Zhu, Jianjun Liao, Wen He
BACKGROUND: The present study investigated risk factors for acute kidney injury (AKI) in patients found to be hypertensive during hospitalization who were prescribed angiotensin converting enzyme inhibitors (ACEI)/angiotensin receptor antagonists (ARB) + diuretic combinations, in order to determine which type of diuretic or combination of diuretics used in ACE/ARB-treated patients leads to a higher risk of acute kidney injury. METHOD: Data on basic information, medical history, diagnostic information and medications prescribed were obtained from the patients' medical records...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29777769/a-combined-approach-for-the-early-recognition-of-acute-kidney-injury-after-adult-cardiac-surgery
#11
Cédrick Zaouter, Julien Potvin, Marie-Lise Bats, Marie-Christine Beauvieux, Alain Remy, Alexandre Ouattara
BACKGROUND: Cardiac surgery-associated acute kidney injury (CSA-AKI) is a frequent complication. The current criteria to detect CSA-AKI rise only when organic dysfunction has occurred. The Doppler Renal Resistive Index (RRI) and the urinary G1 cell cycle arrest proteins (TIMP-2 and IGFBP7) have been advocated to predict CSA-AKI at an early stage after cardiac surgery. The primary objective was to determine the predictive value of these new markers to detect CSA-AKI after elective heart surgery in patients at risk to develop AKI...
May 16, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29776828/septic-acute-kidney-injury-patients-in-emergency-department-the-risk-factors-and-its-correlation-to-serum-lactate
#12
Yin-Chou Hsu, Chih-Wei Hsu
BACKGROUND: Acute kidney injury (AKI) is a common complication in septic patients, imposing a heavy burden of illness in terms of morbidity and mortality. Serum lactate is a widely used marker predicting the severity of sepsis. A paucity of research has investigated septic AKI in emergency departments (EDs) and its correlation with initial serum lactate level. This study aimed at identifying risk factors for septic AKI and clarifying the link between initial serum lactate level and septic AKI in ED patients...
May 15, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29776652/meta-analysis-of-transcatheter-valve-in-valve-implantation-versus-redo-aortic-valve-surgery-for-bioprosthetic-aortic-valve-dysfunction
#13
Saroj Neupane, Hemindermeet Singh, Johannes Lämmer, Hussein Othman, Hiroshi Yamasaki, Howard S Rosman, Eduardo Bossone, Rajendra H Mehta, Holger Eggebrecht
Transcatheter valve-in-valve implantation (ViV-TAVI) has evolved as an alternative to redo surgical valve replacement (redo-SAVR) for high-risk patients with aortic bioprosthetic valve (BPV) dysfunction. The differences in procedural success and outcomes in a large number of patients who underwent ViV-TAVI compared with redo-SAVR for aortic BPV dysfunction are not known. We conducted a meta-analysis of the previously reported studies to determine outcomes after ViV-TAVI and redo-SAVR. PubMed, MEDLINE, and Google Scholar databases were searched for studies that reported comparative outcomes of patients who underwent either ViV-TAVI or redo-SAVR...
April 19, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29776437/coenzyme-q10-combined-with-trimetazidine-in-the-prevention-of-contrast-induced-nephropathy-in-patients-with-coronary-heart-disease-complicated-with-renal-dysfunction-undergoing-elective-cardiac-catheterization-a-randomized-control-study-and-in-vivo-study
#14
Fei Chen, Fan Liu, Jingchao Lu, Xiuchun Yang, Bing Xiao, Yaqiong Jin, Jie Zhang
BACKGROUND: Contrast-induced nephropathy (CIN) is one of the common hospital-acquired acute renal failures. The purpose of this study was to investigate whether Coenzyme Q10 (CoQ10) and trimetazidine (TMZ) can prevent the occurrence of CIN after elective cardiac catheterization in patients with coronary artery disease complicated with renal dysfunction. METHODS: Consecutive coronary artery disease patients with renal insufficiency scheduled for coronary angiography were enrolled in randomized, paralleled, double-blind, controlled trial...
May 18, 2018: European Journal of Medical Research
https://www.readbyqxmd.com/read/29775446/-chronic-kidney-disease-in-children-up-to-2-years-of-age-a-single-center-data-analysis
#15
Kinga Musiał, Marta Sałamacha, Sylwia Gralec, Anna Pers, Łukasz Jacheć, Danuta Zwolińska
Although anomalies in the urinary tract are the leading cause of chronic kidney disease (CKD) in the pediatric population, there are few studies focusing on etiological discrepancies between younger and older children. AIM: The aim of the study was to perform a comparative analysis of etiology of CKD in children hospitalized in the Department of Pediatric Nephrology at the Wrocław Medical University, with reference to the patients' age and gender. MATERIALS AND METHODS: The retrospective analysis considered medical records of 174 patients aged 0-18 years, diagnosed with CKD, hospitalized in our Department in the years 2011-2017...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29775220/cystatin-c-is-a-more-reliable-biomarker-for-determining-egfr-to-support-drug-development-studies
#16
REVIEW
Sumit Kar, Sabina Paglialunga, Rafiqul Islam
Glomerular filtration rate (GFR) is routinely used as a surrogate endpoint for the development of investigational drugs in clinical trials. GFR and staging of chronic kidney disease are typically assessed by measuring the concentration of endogenous serum biomarkers such as albumin and creatinine. However, creatinine is subject to high biological variability, and levels of creatinine do not rise until nearly 50% of kidney function is damaged, leading to inaccurate chronic kidney disease staging and false negatives...
May 18, 2018: Journal of Clinical Pharmacology
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
#17
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/29773995/hypoxia-reoxygenation-of-rat-renal-arteries-impairs-vasorelaxation-via-modulation-of-endothelium-independent-sgc-cgmp-pkg-signaling
#18
Diana Braun, Christa Zollbrecht, Stefanie Dietze, Rudolf Schubert, Stefan Golz, Holger Summer, Pontus B Persson, Mattias Carlström, Marion Ludwig, Andreas Patzak
Ischemia/reperfusion injury holds a key position in many pathological conditions such as acute kidney injury and in the transition to chronic stages of renal damage. We hypothesized that besides a reported disproportional activation of vasoconstrictor response, hypoxia/reoxygenation (H/R) adversely affects endothelial dilatory systems and impairs relaxation in renal arteries. Rat renal interlobar arteries were studied under isometric conditions. Hypoxia was induced by application of 95% N2 , 5% CO2 for 60 min to the bath solution, followed by a 10 min period of reoxygenation (95% O2 , 5% CO2 )...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29773712/acute-kidney-injury-and-risk-of-heart-failure-and-atherosclerotic-events
#19
Alan S Go, Chi-Yuan Hsu, Jingrong Yang, Thida C Tan, Sijie Zheng, Juan D Ordonez, Kathleen D Liu
BACKGROUND AND OBJECTIVES: AKI in the hospital is common and is associated with excess mortality. We examined whether AKI is also independently associated with a higher risk of different cardiovascular events in the first year after discharge. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective analysis of a cohort between 2006 and 2013 with follow-up through 2014, within Kaiser Permanente Northern California. We identified all adults admitted to 21 hospitals who had one or more in-hospital serum creatinine test result and survived to discharge...
May 17, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29773381/cd44-targeted-hyaluronic-acid-curcumin-prodrug-protects-renal-tubular-epithelial-cell-survival-from-oxidative-stress-damage
#20
Jing-Bo Hu, Shu-Juan Li, Xu-Qi Kang, Jing Qi, Jia-Hui Wu, Xiao-Juan Wang, Xiao-Ling Xu, Xiao-Ying Ying, Sai-Ping Jiang, Jian You, Yong-Zhong Du
Based on the abnormally increased expression of CD44 receptors on renal tubule epithelial cells during ischemia/reperfusion-induced acute kidney injury (AKI), we developed a hyaluronic acid-curcumin (HA-CUR) polymeric prodrug targeting to epithelial cells and then relieving oxidative stress damages. The water solubility of HA-CUR was significantly enhanced and approximately 27-fold higher than that of CUR. Cellular uptake test showed HA-CUR was preferably internalized by H2 O2 -pretreated tubular epithelial (HK-2) cells compared with free CUR benefiting from the specific binding between HA and CD44 receptors...
August 1, 2018: Carbohydrate Polymers
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