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Progression renal function

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https://www.readbyqxmd.com/read/28319118/functional-mri-for-characterization-of-renal-perfusion-impairment-and-edema-formation-due-to-acute-kidney-injury-in-different-mouse-strains
#1
Susanne Tewes, Faikah Gueler, Rongjun Chen, Marcel Gutberlet, Mi-Sun Jang, Martin Meier, Michael Mengel, Dagmar Hartung, Frank Wacker, Song Rong, Katja Hueper
PURPOSE: The purpose was to characterize acute kidney injury (AKI) in C57BL/6 (B6)- and 129/Sv (Sv)-mice by noninvasive measurement of renal perfusion and tissue edema using functional MRI. METHODS: Different severities of AKI were induced in B6- and Sv-mice by renal ischemia reperfusion injury (IRI). Unilateral clamping of the renal pedicle for 35 min (moderate AKI) or 45 min (severe AKI) was done. MRI (7-Tesla) was performed 1, 7 and 28 days after surgery using a flow alternating inversion recovery (FAIR) arterial spin labeling (ASL) sequence...
2017: PloS One
https://www.readbyqxmd.com/read/28318680/nephrogenic-systemic-fibrosis-a-15-year-retrospective-study-at-a-single-tertiary-care-center
#2
Janice Wilson, Kristyna Gleghorn, Quincy Seigel, Brent Kelly
BACKGROUND: Despite multiple therapeutic approaches for nephrogenic systemic fibrosis (NSF), no single treatment has convincingly shown consistent benefit. The most successful outcomes have been associated with recovery of renal function, although evidence remains limited and past studies have been inconclusive. OBJECTIVE: We sought to investigate whether improvement of renal function via successful transplantation or via return of renal function after acute kidney injury correlates with improvement of NSF, and to further characterize the clinical features and progression of NSF...
March 15, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28306749/cigarette-smoking-and-cardio-renal-events-in-patients-with-atherosclerotic-renal-artery-stenosis
#3
Christopher A Drummond, Pamela S Brewster, Wencan He, Kaili Ren, Yanmei Xie, Katherine R Tuttle, Steven T Haller, Kenneth Jamerson, Lance D Dworkin, Donald E Cutlip, Timothy P Murphy, Ralph B D'Agostino, William L Henrich, Jiang Tian, Joseph I Shapiro, Christopher J Cooper
Cigarette smoking causes cardiovascular disease and is associated with poor kidney function in individuals with diabetes mellitus and primary kidney diseases. However, the association of smoking on patients with atherosclerotic renal artery stenosis has not been studied. The current study utilized data from the Cardiovascular Outcomes in Renal Atherosclerotic Lesions (CORAL, NCT00081731) clinical trial to evaluate the effects of smoking on the risk of cardio-renal events and kidney function in this population...
2017: PloS One
https://www.readbyqxmd.com/read/28303937/vitamin-d-inhibits-lymphangiogenesis-through-vdr-dependent-mechanisms
#4
Saleh Yazdani, Fariba Poosti, Luis Toro, Johannes Wedel, Rik Mencke, Katarina Mirković, Martin H de Borst, J Steven Alexander, Gerjan Navis, Harry van Goor, Jacob van den Born, Jan-Luuk Hillebrands
Excessive lymphangiogenesis is associated with cancer progression and renal disease. Attenuation of lymphangiogenesis might represent a novel strategy to target disease progression although clinically approved anti-lymphangiogenic drugs are not available yet. VitaminD(VitD)-deficiency is associated with increased cancer risk and chronic kidney disease. Presently, effects of VitD on lymphangiogenesis are unknown. Given the apparently protective effects of VitD and the deleterious associations of lymphangiogenesis with renal disease, we here tested the hypothesis that VitD has direct anti-lymphangiogenic effects in vitro and is able to attenuate lymphangiogenesis in vivo...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303846/heart-rate-variability-in-patients-with-acute-ischemic-stroke-at-different-stages-of-renal-dysfunction-a-cross-sectional-observational-study
#5
Lin Wei, Wen-Bo Zhao, Huan-Wen Ye, Yan-Hua Chen, Xiao-Pei Zhang, Yan Huang, Ye-Feng Cai, Quan-Fu Chen, Su-Yue Pan
BACKGROUND: Renal function is associated with mortality and functional disabilities in stroke patients, and impaired autonomic function is common in stroke, but little is known regarding its effects on stroke patients with renal dysfunction. This study sought to evaluate the association between autonomic function and stroke in patients with renal dysfunction. METHODS: This study comprised 232 patients with acute ischemic stroke consecutively enrolled from February 2013 to November 2014 at Guangdong Provincial Hospital of Chinese Medicine in China...
March 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28302542/clinical-implications-associated-with-the-posttranslational-modification-induced-functional-impairment-of-albumin-in-oxidative-stress-related-diseases
#6
REVIEW
Hiroshi Watanabe, Tadashi Imafuku, Masaki Otagiri, Toru Maruyama
Recent research findings indicate that the posttranslational modification of human serum albumin (HSA) such as oxidation, glycation, truncation, dimerization and carbamylation is related to certain types of diseases. We report herein on a simple and rapid analytical method, using an ESI-TOFMS technique, that allows posttranslational modifications of HSA to be quantitatively and qualitatively evaluated with a high degree of sensitivity. In patients with chronic liver disease, chronic renal disease and diabetes mellitus, an increase in the level of oxidized Cys-34 of HSA accompanied by a decrease in the level of reduced Cys-34 was observed...
March 13, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28302075/renal-effects-of-metallothionein-induction-by-zinc-in-vitro-and-in-vivo
#7
Moritz Schanz, Lea Schaaf, Juergen Dippon, Dagmar Biegger, Peter Fritz, Mark Dominik Alscher, Martin Kimmel
BACKGROUND: Metallothionein (MTT) is an endogenous antioxidant that can be induced by both zinc (Zn) and ischemia. In kidneys, increased MTT expression exerts a putative protective role in diabetes and hypoxia. Our goal was to further investigate the behavior of MTT under the influence of Zn and hypoxia in vitro and in vivo. METHODS: MTT expression was measured in vitro in cell cultures of proximal tubular cells (LCC-PK1) by immune-histochemistry and real-time PCR after incubation with increasing concentrations of Zn under hypoxic and non-hypoxic conditions...
March 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28295907/the-effects-of-short-term-omission-of-daily-medication-on-the-pathophysiology-of-heart-failure
#8
Silviu Dovancescu, Pierpaolo Pellicori, Thato Mabote, Azam Torabi, Andrew L Clark, John G F Cleland
AIMS: Pharmacological therapies for heart failure (HF) aim to improve congestion, symptoms, and prognosis. Failing to take medication is a potential cause of worsening HF. Characterizing the effects of short-term medication omission could inform the development of better technologies and strategies to detect and interpret the reasons for worsening HF. We examined the effect of planned HF medication omission for 48 h on weight, echocardiograms, transthoracic bio-impedance, and plasma concentrations of NT-proBNP...
March 15, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28294194/phosphodiesterase-5-inhibition-preserves-renal-hemodynamics-and-function-in-mice-with-diabetic-kidney-disease-by-modulating-mir-22-and-bmp7
#9
Riccardo Pofi, Daniela Fiore, Rita De Gaetano, Giuseppe Panio, Daniele Gianfrilli, Carlotta Pozza, Federica Barbagallo, Yang Kevin Xiang, Konstantinos Giannakakis, Susanna Morano, Andrea Lenzi, Fabio Naro, Andrea M Isidori, Mary Anna Venneri
Diabetic Nephropathy (DN) is the leading cause of end-stage renal disease. Preclinical and experimental studies show that PDE5 inhibitors (PDE5is) exert protective effects in DN improving perivascular inflammation. Using a mouse model of diabetic kidney injury we investigated the protective proprieties of PDE5is on renal hemodynamics and the molecular mechanisms involved. PDE5i treatment prevented the development of DN-related hypertension (P < 0.001), the increase of urine albumin creatinine ratio (P < 0...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28292988/-the-aim-and-scope-of-clinical-practice-guidelines-for-the-management-of-kidney-disease-in-cancer-survivors
#10
Shigeo Horie
Drug-induced nephron-toxicity hampers the effective cancer chemotherapy and impairs the quality of life of the patients. Now eGFR has substituted Ccr for the estimation of renal function. The concepts and clinical significance of CKD and AKI have been established. These progress of clinical nephrology can improve the management of cancer chemotherapy. Clinical practice guidelines for the management of kidney disease in cancer survivors supports health-related professional to practice based on the evidence, which will enhance the efficacy of the treatment and QOL of the cancer survivors...
March 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28290633/proteinuria-in-children-evaluation-and-differential-diagnosis
#11
Alexander K C Leung, Alex H C Wong, Stefani S N Barg
Although proteinuria is usually benign in the form of transient or orthostatic proteinuria, persistent proteinuria may be associated with more serious renal diseases. Proteinuria may be an independent risk factor for the progression of chronic kidney disease in children. Mechanisms of proteinuria can be categorized as glomerular, tubular, secretory, or overflow. A history, a physical examination, and laboratory tests help determine the cause. Transient (functional) proteinuria is temporary. It can occur with fever, exercise, stress, or cold exposure, and it resolves when the inciting factor is removed...
February 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28289586/polymorphism-of-angiotensin-converting-enzyme-rs4340-and-diabetic-nephropathy-in-caucasians-with-type-2-diabetes-mellitus
#12
M Šeruga, J Makuc, M Završnik, I Cilenšek, R Ekart, D Petrovič
Diabetic nephropathy (DN) is the leading cause of endstage renal disease (ESRD) in developed countries. Several environmental and genetic factors predict the development and progression of DN. The renin-angiotensin system was demonstrated to be involved in the development of DN. We evaluated the association between rs4340 of the angiotensin-converting enzyme (ACE) gene and DN in Caucasians with type 2 diabetes mellitus (T2DM) in 276 Slovenian patients with T2DM who had DN, and 375 patients without clinical signs of DN...
December 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/28285987/tgf%C3%AE-incurred-epigenetic-aberrations-of-mirna-and-dna-methyltransferase-suppress-klotho-and-potentiate-renal-fibrosis
#13
Shasha Yin, Qin Zhang, Jun Yang, Wenjun Lin, Yanning Li, Fang Chen, Wangsen Cao
Renal fibrosis is a common pathological feature of chronic kidney diseases (CKD) and its development and progression are significantly affected by epigenetic modifications such as aberrant miRNA and DNA methylation. Klotho is an anti-aging and anti-fibrotic protein and its early decline after renal injury is reportedly associated with aberrant DNA methylation. However, the key upstream pathological mediators and the molecular cascade leading to epigenetic Klotho suppression are not appreciably established. Here we investigate the epigenetic mechanism of Klotho deficiency and its functional relevance in renal fibrogenesis...
March 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28285957/comparison-of-renal-outcomes-in-patients-treated-by-zenith-%C3%A2-fenestrated-and-zenith-%C3%A2-abdominal-aortic-aneurysm-stent-grafts-in-us-prospective-pivotal-trials
#14
L R de Souza, G S Oderich, M A Farber, S Haulon, P V Banga, A H Pereira, P Gloviczki, S C Textor, F Jia
OBJECTIVE/BACKGROUND: Fenestrated endovascular repair (FEVAR) has been used to treat complex abdominal aortic aneurysms (AAAs). The risk of renal function deterioration compared with infrarenal endovascular aortic repair (EVAR) has not been determined. METHODS: Patients with preserved renal function (estimated glomerular filtration rate [eGFR] > 45 mL/minute) enrolled in two prospective, non-randomised studies evaluating Zenith fenestrated and AAA stent grafts were matched (1:2) by propensity scores for age, sex, hypertension, diabetes, and pre-operative eGFR...
March 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28285786/effects-of-staged-versus-adhoc-percutaneous-coronary-interventions-on-renal-function-is-there-a-benefit-to-staging
#15
Mahek Shah, Deepakraj Gajanana, David S Wheeler, Chitra Punjabi, Obiora Maludum, Kene Mezue, Edgar V Lerma, Amer Ardati, Abel Romero-Corral, Christian Witzke, Janani Rangaswami
AIM: The purpose of this study is to determine whether adhoc (same session) percutaneous coronary intervention, and staged (multiple session) percutaneous coronary intervention (PCI) have different renal outcomes. METHODS AND RESULTS: This is a retrospective cohort study that compares the maximal decline in glomerular filtration rate (GFR) at various times points (3-6days, 1-4weeks, 4-12weeks) after either adhoc or staged PCI. 115 patients undergoing staged PCI and 115 matched adhoc PCI controls were included in the study...
February 28, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28284893/gstm1-genotype-is-an-independent-prognostic-factor-in-clear-cell-renal-cell-carcinoma
#16
Vesna M Coric, Tatjana P Simic, Tatjana D Pekmezovic, Gordana M Basta-Jovanovic, Ana R Savic-Radojevic, Sanja M Radojevic-Skodric, Marija G Matic, Sonja R Suvakov, Dejan P Dragicevic, Tanja M Radic, Zoran M Dzamic, Marija S Pljesa-Ercegovac
PURPOSE: Owing to dual functionality of cytosolic glutathione S-transferases (GSTs), they might affect both the development and the progression of renal cell carcinoma (RCC). However, the data on the prognostic value of GST polymorphism in patients with RCC are scarce. Hence, we evaluated the effect of GST gene variants on both the risk of RCC development and the postoperative prognosis in patients with clear cell RCC (ccRCC). METHODS: GST genotypes were determined in 305 patients with RCC and 326 matched controls, whereas the overall survival was evaluated in patients with ccRCC only...
March 8, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28284376/the-tubulointerstitial-pathophysiology-of-progressive-kidney-disease
#17
REVIEW
H William Schnaper
Accumulating evidence suggests that the central locus for the progression of CKD is the renal proximal tubule. As injured tubular epithelial cells dedifferentiate in attempted repair, they stimulate inflammation and recruit myofibroblasts. At the same time, tissue loss stimulates remnant nephron hypertrophy. Increased tubular transport workload eventually exceeds the energy-generating capacity of the hypertrophied nephrons, leading to anerobic metabolism, acidosis, hypoxia, endoplasmic reticulum stress, and the induction of additional inflammatory and fibrogenic responses...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28279413/a-primer-on-hemodialysis-from-an-interventional-radiology-perspective
#18
Rahul A Sheth, Anil U Sheth
Interventional radiologists play a central role in the care of patients with end-stage renal disease receiving renal replacement therapy. Ensuring that a patient׳s dialysis access remains suitable for high-quality dialysis is of paramount importance. However, although much has been spoken and written about endovascular techniques and outcomes based on angiographic criteria, little is generally known regarding the function and therefore the requirements of hemodialysis. In this article, we provide a heuristic overview of the mechanics of hemodialysis, with an emphasis on the "breaking points" in the extracorporeal circuit that trigger a patient׳s referral to Interventional Radiology...
March 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/28278526/-acute-kidney-failure-due-to-urachal-cyst
#19
I Klaassen, M Wolf, M J Kemper, S Riechardt, M Boettcher, J Herrmann, D Singer
A 34-year-old para V woman was referred to our centre at 35+1 weeks of gestation for an assumed fetal malformation with prenatal renal impairment and anhydramnios. Prenatal ultrasound demonstrated unilateral renal agenesis; the bladder was not detectable. The baby was born by caesarian section at 36+2 weeks of gestation because of placental insufficiency. Postnatal adaptation was uneventful, but the newborn presented external stigmas of trisomy 21 and progressive renal impairment with anuria. Nevertheless, the postnatal ultrasound showed two enlarged kidneys in loco typico with impaired perfusion but without signs of malformations...
March 9, 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28277831/dapagliflozin-potential-beneficial-effects-in-the-prevention-and-treatment-of-renal-and-cardiovascular-complications-in-patients-with-type-2-diabetes
#20
Paola Fioretto, Angelo Avogaro
Diabetic kidney disease is the leading cause of end-stage renal disease, a significant contributor to cardiovascular (CV) disease, responsible for much of the morbidity and mortality in patients with type 2 diabetes (T2DM). Strategies to slow or prevent the onset and progression of diabetic kidney disease are critical for effectively managing T2DM and reducing CV risk. Sodium-glucose cotransporter 2 (SGLT2) inhibitors are effective antidiabetic agents, which may provide nephroprotective and CV protective effects...
March 20, 2017: Expert Opinion on Pharmacotherapy
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