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Hypertension kidney

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https://www.readbyqxmd.com/read/29045954/-pulmonary-arterial-hypertension-as-leading-manifestation-of-methylmalonic-aciduria-clinical-characteristics-and-gene-testing-in-15-cases
#1
X Q Liu, H Yan, J X Qiu, C Y Zhang, J G Qi, X Zhang, H J Xiao, Y L Yang, Y H Chen, J B DU
OBJECTIVE: To deepen our understanding of Methylmalonic aciduria (MMA) associated pulmonary hypertension (PH) by analyzing the characteristics of clinical presentation, pulmonary high resolusion CT(HRCT), treatment response and gene mutation. METHODS: This study includes 15 cases of pediatric patients with MMA associated PH diagnosed and treated in Peking University First Hospital pediatric department between May 2012 and May 2016 with symptoms of PH as their leading presentation...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045941/relationship-between-visit-to-visit-blood-pressure-variability-bpv-and-kidney-function-in-patients-with-hypertension
#2
Barrett W Jeffers, Duo Zhou
BACKGROUND/AIMS: To investigate the impact of kidney function (using estimated glomerular filtration rate, [eGFR]) on blood pressure variability (BPV) via a retrospective post hoc analysis of patients with hypertension enrolled in two large clinical trials. METHODS: Subject-level data were extracted from ASCOT (N=18,852) and ALLHAT (N=26,441) databases; both were randomized, active controlled studies, with treatment duration for hypertension ≥4 years. Visit-to-visit BPV was assessed using the square root of the coefficient of variation of systolic blood pressure (SBP) across visits from 12 weeks onwards...
October 18, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29045728/how-do-primary-care-doctors-in-england-and-wales-code-and-manage-people-with-chronic-kidney-disease-results-from-the-national-chronic-kidney-disease-audit
#3
Lois G Kim, Faye Cleary, David C Wheeler, Ben Caplin, Dorothea Nitsch, Sally A Hull
Background: In the UK, primary care records are electronic and require doctors to ascribe disease codes to direct care plans and facilitate safe prescribing. We investigated factors associated with coding of chronic kidney disease (CKD) in patients with reduced kidney function and the impact this has on patient management. Methods: We identified patients meeting biochemical criteria for CKD (two estimated glomerular filtration rates <60 mL/min/1.73 m2 taken >90 days apart) from 1039 general practitioner (GP) practices in a UK audit...
October 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29045340/cause-of-renal-infarction-a-retrospective-analysis-of-186-consecutive-cases
#4
Anne-Laure Faucon, Guillaume Bobrie, Anne-Sophie Jannot, Arshid Azarine, Pierre-François Plouin, Michel Azizi, Laurence Amar
BACKGROUND: Renal infarction can cause abrupt and severe hypertension and less frequently renal failure. Renal infarction results from disruption of renal blood flow in the main ipsilateral renal artery or in a segmental branch. Underlying mechanism is either general, 'embolic' or 'thrombophilic', or local related to primary 'renal artery lesion'. It depends on various causes. In absence of an identified cause, renal infarction is classified as 'idiopathic'. Previous studies report a significant number of 'idiopathic' renal infarction...
October 16, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29045337/blood-pressure-regulation-by-the-angiotensin-type-1-receptor-in-the-proximal-tubule
#5
Marloes C van Haaster, Alicia A McDonough, Susan B Gurley
PURPOSE OF REVIEW: The renin-angiotensin system (RAS) plays a critical role in the pathogenesis of hypertension. Homeostatic actions of the RAS, such as increasing blood pressure (BP) and vasoconstriction, are mediated via type 1 (AT1) receptors for angiotensin II. All components of the RAS are present in the renal proximal tubule, which reabsorbs the bulk of the glomerular filtrate, making this segment of the nephron a location of great interest for solute handling under RAS influence...
October 16, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29044764/estimated-glomerular-filtration-rate-and-the-risk-benefit-profile-of-intensive-blood-pressure-control-among-non-diabetic-patients-a-post-hoc-analysis-of-a-randomized-clinical-trial
#6
Yoshitsugu Obi, Kamyar Kalantar-Zadeh, Ayumi Shintani, Csaba P Kovesdy, Takayuki Hamano
BACKGROUND: The Systolic Blood Pressure Intervention Trial (SPRINT; ClinicalTrials. gov, NCT01206062) reported reduced cardiovascular events by intensive blood pressure (BP) control among hypertensive patients without diabetes. However, the risk-benefit profile of intensive BP control may differ across estimated glomerular filtration rate (eGFR) levels. METHODS: This is a post-hoc analysis of the SPRINT. Non-diabetic hypertensive adults (n=9,361) with eGFR >20 mL/min/1...
October 16, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29042694/immunohistochemistry-of-vasohibin-2-in-human-kidney-disease-implications-in-impaired-glucose-tolerance-and-reduced-renal-function
#7
Yuka Arata, Katsuyuki Tanabe, Norikazu Hinamoto, Hiroko Yamasaki, Hitoshi Sugiyama, Yohei Maeshima, Naoki Kanomata, Yasufumi Sato, Jun Wada
Several angiogenesis-related factors are known to play important roles in the pathogenesis of kidney disease. Vasohibin-2 (VASH-2) was recently reported as a novel proangiogenic factor. Although VASH-2 was demonstrated to accelerate tumor angiogenesis, its roles in non-tumor processes including renal disease have not been well elucidated yet. Here, we performed a retrospective study including an immunohistochemical analysis of human kidney biopsy specimens from 82 Japanese patients with a variety of kidney diseases, and we evaluated the correlations between the immunoreactivity of VASH-2 and the patients' clinicopathological parameters...
October 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/29039974/role-of-kidney-biomarkers-kidney-injury-molecule-1-calbindin-interleukin-18-and-monocyte-chemoattractant-protein-1-in-hiv-associated-pre-eclampsia
#8
Soumaya Abdullatif Eltounali, Jagidesa Moodley, Thajasvarie Naicker
OBJECTIVE: Both HIV infection and pre-eclampsia (PE) are associated with considerable maternal mortality in South Africa. This study was designed to compare the urinary levels of kidney injury molecule-1 (KIM-1), calbindin, interleukin-18 (IL-18), and monocyte chemoattractant protein-1 (MCP-1) in HIV associated normotensive and preeclamptic pregnancies. METHODS: Following ethical approval and written consent, urine samples were collected from HIV negative (HIV -ve) normotensive pregnant (n = 19), HIV positive (HIV +ve) normotensive pregnant (n = 19), HIV -ve pre-eclamptic (n = 19) and HIV +ve pre-eclamptic (n = 19) women...
October 17, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/29038887/mutations-in-inf2-may-be-associated-with-renal-histology-other-than-focal-segmental-glomerulosclerosis
#9
Anja K Büscher, Nora Celebi, Peter F Hoyer, Hanns-Georg Klein, Stefanie Weber, Julia Hoefele
BACKGROUND: In 2010, INF2 mutations were associated with autosomal-dominant focal segmental glomerulosclerosis (FSGS), clinically presenting with moderate proteinuria in adolescence. However, in the meantime, cases with more severe clinical courses have been described, including progression to end-stage renal disease (ESRD) during childhood. INF2 mutations in patients with isolated FSGS are clustered in exons 2 to 4, encoding the diaphanous inhibitory domain, involved in the regulation of the podocyte actin cytoskeleton...
October 6, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29038288/ets-in-the-kidney-unraveling-the-molecular-mechanism-underlying-renal-damage-in-salt-sensitive-hypertension
#10
EDITORIAL
Joseph C Gigliotti, Thu H Le
No abstract text is available yet for this article.
October 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29038285/metabolic-effects-of-diet-and-exercise-in-patients-with-moderate-to-severe-ckd-a-randomized-clinical-trial
#11
T Alp Ikizler, Cassianne Robinson-Cohen, Charles Ellis, Samuel A E Headley, Katherine Tuttle, Richard J Wood, Elizabeth Elspeth Evans, Charles M Milch, Kelsey Anne Moody, Michael Germain, Chutatip Limkunakul, Aihua Bian, Thomas G Stewart, Jonathan Himmelfarb
CKD is steadily increasing along with obesity worldwide. Furthermore, obesity is a proinflammatory risk factor for progression of CKD and cardiovascular disease. We tested the hypothesis that implementation of caloric restriction and aerobic exercise is feasible and can improve the proinflammatory metabolic milieu in patients with moderate to severe CKD through a pilot, randomized, 2×2 factorial design trial. Of 122 participants consented, 111 were randomized to receive caloric restriction and aerobic exercise, caloric restriction alone, aerobic exercise alone, or usual care...
October 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29036427/impact-of-achieved-blood-pressure-on-renal-function-decline-and-first-stroke-in-hypertensive-patients-with-chronic-kidney-disease
#12
Youbao Li, Min Liang, Chongfei Jiang, Guobao Wang, Jianping Li, Yan Zhang, Fangfang Fan, Ningling Sun, Yiming Cui, Mingli He, Genfu Tang, Delu Yin, Xiaoshu Cheng, Binyan Wang, Yong Huo, Xin Xu, Fan Fan Hou, Xiping Xu, Xianhui Qin
Background: The effect of achieved blood pressure (BP) on first stroke and renal function decline among hypertensive patients with mild to moderate chronic kidney disease (CKD) is still uncertain. Methods: In total, 3230 hypertensive patients with estimated glomerular filtration rate 30-60 mL/min/1.73 m 2 and/or proteinuria were included in the present analyses. Eligible participants were randomly assigned to a daily treatment of a combined enalapril 10 mg and folic acid 0...
September 19, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29036269/longitudinal-blood-pressure-changes-and-kidney-function-decline-in-persons-without-chronic-kidney-disease-findings-from-the-mesa-study
#13
Gregory L Judson, Anna D Rubinsky, Michael G Shlipak, Ronit Katz, Holly Kramer, David R Jacobs, Michelle C Odden, Carmen A Peralta
Background: While changes in blood pressure (BP) are independently associated with cardiovascular events, less is known about the association between changes in BP and subsequent changes in renal function in adults with an estimated glomerular filtration rate (eGFR) of > 60 ml/min/1.73 m2. Methods: The present study included 3,920 participants in the Multi-Ethnic Study of Atherosclerosis (MESA) study who had ≥2 BP measurements during the first 5 years of MESA and had eGFR measurements at both year 5 and 10...
October 5, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29035198/affected-parent-sex-and-severity-of-autosomal-dominant-polycystic-kidney-disease-a-retrospective-cohort-study%C3%A2
#14
Kristen L Nowak, Michel Chonchol, Zhiying You, Malika Gupta, Berenice Gitomer
OBJECTIVE: Parental inheritance may differentially affect autosomal dominant polycystic kidney disease (-ADPKD) severity via genetic imprinting or in utero epigenetic modifications; however, evidence is inconsistent. We conducted a longitudinal retrospective cohort study to assess the association between sex of the affected parent and time to hypertension diagnosis, end-stage renal disease (ESRD), and death in patients with the PKD1 genotype. MATERIALS AND METHODS: 814 individuals who participated in research at the University of Colorado were studied...
October 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29035195/effects-of-fasting-during-the-month-of-ramadan-on-renal-function-in-patients-with-autosomal-dominant-polycystic-kidney-disease%C3%A2
#15
Iskender Ekinci, Reha Erkoc, Meltem Gursu, Elif Ece Dogan, Elif Kilic, Egemen Cebeci, Savas Ozturk, Rumeyza Kazancioglu
BACKGROUND: In this study, we aimed to examine the impact of fasting during the month of Ramadan on autosomal dominant polycystic kidney disease (-ADPKD) patients with normal to near-normal glomerular filtration rate (GFR). MATERIALS AND METHODS: This was a prospective observational study of patients with ADPKD, the majority of whom had normal or near-normal GFR. Patients were divided into two groups: the fasting group (FG) and the nonfasting group (NFG). Assessments in the NFG were performed 1 week before and 1 month after Ramadan, while FG patients were assessed on the last day of fasting in addition to the abovementioned visits...
October 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29031726/reduced-renal-sympathetic-nerve-activity-contributes-to-elevated-glycosuria-and-improved-glucose-tolerance-in-hypothalamus-specific-pomc-knockout-mice
#16
Kavaljit H Chhabra, Donald A Morgan, Benjamin P Tooke, Jessica M Adams, Kamal Rahmouni, Malcolm J Low
OBJECTIVE: Hypothalamic arcuate nucleus-specific pro-opiomelanocortin deficient (ArcPomc(-/-)) mice exhibit improved glucose tolerance despite massive obesity and insulin resistance. We demonstrated previously that their improved glucose tolerance is due to elevated glycosuria. However, the underlying mechanisms that link glucose reabsorption in the kidney with ArcPomc remain unclear. Given the function of the hypothalamic melanocortin system in controlling sympathetic outflow, we hypothesized that reduced renal sympathetic nerve activity (RSNA) in ArcPomc(-/-) mice could explain their elevated glycosuria and consequent enhanced glucose tolerance...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031488/-outcome-of-living-kidney-donors-for-transplantation
#17
Antoine Lanot, Nicolas Bouvier, Valérie Chatelet, Angélique Lecouf, Xavier Tillou, Bruno Hurault de Ligny
Nowadays, several treatments exist to treat terminal chronic renal failure. Best results for the recipients are obtained with kidney transplantation concerning mortality and quality of life. Transplantation is also the cheaper option for society. Living kidney donation raises the issue of the becoming of the donor, an absolutely healthy subject who gets to a surgical procedure. The becoming of living kidney donors has been compared with the one of controls subjects in several studies. The evaluations focused on the complications of nephrectomy in the short and long-term: kidney failure, hypertension, proteinuria, possibility of pregnancy, quality of life, and mortality...
October 11, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29031361/treatment-of-disorders-of-sodium-balance-in-chronic-kidney-disease
#18
REVIEW
David H Ellison
Extracellular fluid volume expansion is nearly universal in patients with CKD. Such volume expansion has features similar to the syndrome of heart failure with preserved ejection fraction, which not only leads to symptoms but can also lead to further organ damage. Unique treatment challenges are present in this patient population, including low glomerular filtration, which limits sodium chloride filtration, intrinsic tubule predisposition to sodium chloride retention, and proteinuria. In addition, pharmacokinetic considerations alter the disposition of diuretics in patients with CKD and nephrotic syndrome...
September 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29031360/sodium-homeostasis-in-chronic-kidney-disease
#19
REVIEW
Vivek Soi, Jerry Yee
The pathologic consequences of sodium retention in the CKD population can lead to hypertension, edema, and progressive disease. Sodium excess is responsible for increases in oxidative stress, which alters kidney vasculature. As progression of CKD occurs, hyperfiltration by remaining nephrons compensates for an overall decrease in the filtered load of sodium. In the later stages of CKD, compensatory mechanisms are overcome and volume overload ensues. Nephrotic syndrome as it relates to sodium handling involves a different pathophysiology despite a common phenotype...
September 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29031357/regulation-of-potassium-homeostasis-in-ckd
#20
REVIEW
Thomas D DuBose
Disturbances of potassium homeostasis can cause either hyperkalemia or hypokalemia and result in serious consequences. Although the consequences of acute and chronic hyperkalemia and treatment of these conditions in CKD have been widely appreciated by nephrologists, more recent information has focused attention on the consequences of chronic hypokalemia. Several recent studies have documented a "U-shaped" relationship between the serum [K(+)] and higher mortality in several clinical studies. The causes of dyskalemias are placed into the unique perspective of patients with CKD and its evolution with progression of CKD to later stages and focuses on the pathophysiology of these disorders...
September 2017: Advances in Chronic Kidney Disease
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