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https://www.readbyqxmd.com/read/29327197/-new-kidney-function-tests-renal-functional-reserve-and-furosemide-stress-test
#1
REVIEW
D Kindgen-Milles, T Slowinski, T Dimski
Acute kidney injury (AKI) occurs in 30-50% of all intensive care patients. Renal replacement therapy (RRT) has to be initiated in 10-15%. The early in-hospital mortality is about 50%. Up to 20% of all survivors develop chronic kidney disease after intensive care discharge and progress to end-stage kidney disease within the next 10 years. For timely initiation of prophylactic or therapeutic interventions, it is crucial to exactly determine the actual kidney function, i. e., glomerular filtration rate (GFR), and to gain insight into the further development of kidney function...
January 11, 2018: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29322215/-assessment-of-kidney-function-creatinine-is-not-the-whole-story
#2
REVIEW
U Huynh-Do, M Fiedler, B Vogt
Chronic renal insufficiency has a high prevalence and leads not only to a severe impairment in the quality of life but also to a higher mortality, mainly due to cardiovascular complications; however, in the early stages where there is still a chance for a therapeutic intervention, it is often underestimated because depending on endogenous factors (e.g. age and muscle mass), serum creatinine could falsely remain in the normal range while kidney function is already impaired. An exact measurement of the glomerular filtration rate (GFR) using radionuclide techniques is cumbersome and usually confined to rare cases, such as in clinical studies...
January 10, 2018: Der Internist
https://www.readbyqxmd.com/read/29305327/renal-tubular-damage-caused-by-cylindrospermopsin-cyanotoxin-in-mice
#3
A C N Moraes, V F Magalhães
Cylindrospermopsin (CYN) is a cyanotoxin and a hydrophilic alkaloid of 415 Da. The principal effect of CYN is the inhibition of protein synthesis, and it can damage various organs. Studies have demonstrated that the kidney is the most affected organ. CYN has played roles in at least two poisoning cases, i.e., the mysterious Palm Island disease in Australia and the event at Caruaru in Brazil. Therefore, we aimed to determine how CYN disrupts the renal tissue. Dose-response curves following single intraperitoneal injections of purified CYN (at 0, 16, 32, 64 and 128 μg CYN/kg body weight) were created in 10-week-old male BALB/C mice (n = 4)...
January 2, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29285341/simulating-a-virtual-population-s-sensitivity-to-salt-and-uninephrectomy
#4
John S Clemmer, Robert L Hester, W Andrew Pruett
Salt sensitivity, with or without concomitant hypertension, is associated with increased mortality. Reduced functional renal mass plays an important role in causing salt-sensitive hypertension for many individuals. Factors that are important in the condition of decreased renal mass and how they affect blood pressure (BP) or salt sensitivity are unclear. We used HumMod, an integrative mathematical model of human physiology, to create a heterogeneous population of 1000 virtual patients by randomly varying physiological parameters...
February 6, 2018: Interface Focus
https://www.readbyqxmd.com/read/29276928/-prevalence-of-markers-of-chronic-kidney-disease-in-patients-with-arterial-hypertension-results-of-epidemiological-study-chronograf
#5
A M SHutov, Z D Kobalava, S V Villevalde, N Y Borovkova, T E Nichik, G S Safuanova
In an noninterventional observational open multicenter program CHRONOGRAF the prevalence of markers of chronic kidney disease (CKD) was studied in 1600 patients with arterial hypertension with and without type 2 diabetes mellitus. Glomerular filtration rate (GFR) was calculated (CKD‑EPI formula) and albuminuria (AU) was determined as albumin/creatinine (A/Cr) ratio in the morning portion of urine. In 49.4% of patients decreased GFR 30 mg/g was detected. Decrease of GFR 30 mg/g - in 32.6%, combination of reduced GFR and high/very high AU - in 18%...
October 2017: Kardiologiia
https://www.readbyqxmd.com/read/29261774/aging-and-decreased-glomerular-filtration-rate-an-elderly-population-based-study
#6
Regina C R M Abdulkader, Emmanuel A Burdmann, Maria Lúcia Lebrão, Yeda A O Duarte, Dirce M T Zanetta
BACKGROUND: Although a reduced glomerular filtration rate (GFR) in old people has been attributed to physiologic aging, it may be associated with kidney disease or superimposed comorbidities. This study aims to assess the prevalence of decreased GFR in a geriatric population in a developing country and its prevalence in the absence of simultaneous diseases. STUDY DESIGN AND METHODS: This is a cross-sectional study of data from the Saúde, Bem-Estar e Envelhecimento cohort study (SABE study[Health, Well-Being and Aging]), a multiple cohorts study...
2017: PloS One
https://www.readbyqxmd.com/read/29261718/mapping-qtls-for-grain-yield-components-in-wheat-under-heat-stress
#7
Nabin Bhusal, Ashok Kumar Sarial, Pradeep Sharma, Sindhu Sareen
The current perspective of increasing global temperature makes heat stress as a major threat to wheat production worldwide. In order to identify quantitative trait loci (QTLs) associated with heat tolerance, 251 recombinant inbred lines (RILs) derived from a cross between HD2808 (heat tolerant) and HUW510 (heat susceptible) were evaluated under timely sown (normal) and late sown (heat stress) conditions for two consecutive crop seasons; 2013-14 and 2014-15. Grain yield (GY) and its components namely, grain weight/spike (GWS), grain number/spike (GNS), thousand grain weight (TGW), grain filling rate (GFR) and grain filling duration (GFD) were recorded for both conditions and years...
2017: PloS One
https://www.readbyqxmd.com/read/29242849/does-contrast-media-volume-affect-long-term-survival-in-patients-with-chronic-kidney-disease
#8
Ismail Biyik, Fatih Uzun, Mehmet Erturk, Derya Ozturk, Ali Kemal Kalkan, Ertan Akbay, Gulsah Akture, Mucahit Emet, Ahmet Arif Yalcin, Ibrahim Faruk Akturk
Introduction: The aim of this study was to investigate the relationships between survival and related features in patients with chronic kidney disease undergoing cardiac catheterization and coronary angiography. Material and methods: Three hundred and seven consecutive patients with an estimated glomerular filtration rate (e-GFR) less than 60 ml/min/1.73 m2 undergoing coronary angiography were enrolled in the study. The study population was pursued with a median follow-up duration of 41...
2017: Archives of Medical Sciences. Atherosclerotic Diseases
https://www.readbyqxmd.com/read/29225058/impact-of-comorbidities-on-functional-recovery-from-partial-nephrectomy
#9
Sudhir Isharwal, Wenda Ye, Alice Wang, Joseph Abraham, Joseph Zabell, Wen Dong, Jitao Wu, Chalairat Suk-Ouichai, Elvis R Caraballo, Tianming Gao, Steven C Campbell
PURPOSE: Preservation of parenchymal mass and ischemia type/duration can influence functional recovery after partial nephrectomy (PN). Some have hypothesized that relevant comorbidities may also impact nephron stability and functional recovery, but this has not been adequately investigated. MATERIALS/METHODS: 405 patients with PN at our center (2007-2015) had necessary data to determine function and parenchymal mass preserved within the ipsilateral kidney. Comorbidities potentially associated with renal functional status were reviewed, including various degrees of hypertension, diabetes, cardiovascular disease, obesity, smoking status, and use of related medications...
December 7, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29201630/avoidance-of-harm-from-treatment-for-anca-associated-vasculitis
#10
REVIEW
Catherine King, Lorraine Harper
Purpose of review With established immunosuppressant treatment regimens for anti-neutrophil cytoplasm antibody-associated vasculitides (AAV), prognosis has significantly improved. The mainstay of treatment still comprises high-dose corticosteroids and cyclophosphamide for severe forms, although rituximab is being increasingly utilised instead of cyclophosphamide as induction therapy. AAV patients experience an excess of infections, malignancies and cardiovascular events as compared to the general population, which is a combination of the systemic inflammatory process associated with vasculitis and the adverse events from treatment...
2017: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/29197971/comparison-of-long-term-follow-up-outcomes-between-multiple-drugs-combination-therapy-and-tonsillectomy-pulse-therapy-for-pediatric-iga-nephropathy
#11
Yukihiko Kawasaki, Ryo Maeda, Syuto Kanno, Yuichi Suzuki, Shinichiro Ohara, Kazuhide Suyama, Mitsuaki Hosoya
BACKGROUND: To clarify the long-term efficacy of multiple-drugs combination therapy (PWDM) and tonsillectomy pulse therapy (TPT) for pediatric IgA nephropathy (IgAN), we retrospectively evaluated the clinical and laboratory findings as well as the prognosis for IgAN patients treated with each treatment at long-term follow-up. METHODS: We collected data on 61 children who had been diagnosed with severe IgAN. The children were retrospectively divided into two groups...
December 2, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29185045/preoperative-chronic-kidney-disease-is-predictive-of-oncological-outcome-of-radical-cystectomy-for-bladder-cancer
#12
Akihiko Matsumoto, Tohru Nakagawa, Atsushi Kanatani, Masaomi Ikeda, Taketo Kawai, Jimpei Miyakawa, Satoru Taguchi, Akihiro Naito, Masafumi Otsuka, Yasukazu Nakanishi, Motofumi Suzuki, Fumitaka Koga, Yasushi Nagase, Yasushi Kondo, Toshikazu Okaneya, Yoshinori Tanaka, Hideyo Miyazaki, Tetsuya Fujimura, Hiroshi Fukuhara, Haruki Kume, Yasuhiko Igawa, Yukio Homma
PURPOSE: To evaluate the impact of preoperative chronic kidney disease (CKD) on oncological outcomes after radical cystectomy (RC) for bladder cancer. METHODS: We reviewed the medical records of patients with urothelial bladder carcinoma who underwent RC with curative intent at seven hospitals between 1990 and 2013. After excluding patients with a history of upper urinary tract urothelial cancer or neoadjuvant chemotherapy, we analyzed 594 cases for the study. Preoperative estimated glomerular filtration rate (eGFR) was calculated using the three-variable Japanese equation for GFR estimation from serum creatinine level and age...
November 28, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29161757/impact-of-cyp3a5-genomic-variances-on-clinical-outcomes-among-african-american-kidney-transplant-recipients
#13
Tomefa E Asempa, Lorita M Rebellato, Suzanne Hudson, Kimberly Briley, Angela Q Maldonado
Little is known about the impact of CYP3A5 polymorphisms on transplantation outcomes among African-American (AA) kidney transplant recipients. To assess this issue, clinical outcomes were compared between AA CYP3A5*1 expressers versus non-expressers. This retrospective cohort study analyzed AA kidney transplant recipients. Biopsy-proven acute rejection (BPAR), delayed graft function (DGF), glomerular filtration rate (GFR), infections and tacrolimus dosing requirements were examined in 106 immunologically high-risk AA kidney transplant patients over a 2 year follow-up period...
November 21, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29134673/modified-dixon-based-renal-dynamic-contrast-enhanced-mri-facilitates-automated-registration-and-perfusion-analysis
#14
Anneloes de Boer, Tim Leiner, Eva E Vink, Peter J Blankestijn, Cornelis A T van den Berg
PURPOSE: Renal dynamic contrast-enhanced (DCE) MRI provides information on renal perfusion and filtration. However, clinical implementation is hampered by challenges in postprocessing as a result of misalignment of the kidneys due to respiration. We propose to perform automated image registration using the fat-only images derived from a modified Dixon reconstruction of a dual-echo acquisition because these provide consistent contrast over the dynamic series. METHODS: DCE data of 10 hypertensive patients was used...
November 13, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29126987/endothelial-and-kidney-function-in-women-with-a-history-of-preeclampsia-and-healthy-parous-controls-a-case-control-study
#15
Veronica A Lopes van Balen, Julia J Spaan, Tom Cornelis, Wieteke M Heidema, Ralph R Scholten, Marc E A Spaanderman
INTRODUCTION: Preeclampsia (PE) is a pregnancy related endothelial disease characterized by hypertension and albuminuria. Postpartum endothelial dysfunction often persists in these women. We postulate that in women with a history of PE reduced endothelial dependent vasodilation coincides with attenuated kidney function, as both reflect endothelial dysfunction. METHODS: We assessed endothelial and kidney function in women with a history of PE (n=79) and uncomplicated pregnancies (n=49) at least 4years postpartum...
November 8, 2017: Microvascular Research
https://www.readbyqxmd.com/read/29121542/risk-factors-for-three-month-mortality-after-discharge-in-a-cohort-of-non-oncologic-hospitalized-elderly-patients-results-from-the-reposi-study
#16
Luca Pasina, Laura Cortesi, Mara Tiraboschi, Alessandro Nobili, Giovanna Lanzo, Mauro Tettamanti, Carlotta Franchi, Pier Mannuccio Mannucci, Silvia Ghidoni, Andrea Assolari, Antonio Brucato
BACKGROUND: Short-term prognosis, e.g. mortality at three months, has many important implications in planning the overall management of patients, particularly non-oncologic patients in order to avoid futile practices. The aims of this study were: i) to investigate the risk of three-month mortality after discharge from internal medicine and geriatric wards of non-oncologic patients with at least one of the following conditions: permanent bedridden status during the hospital stay; severely reduced kidney function; hypoalbuminemia; hospital admissions in the previous six months; severe dementia; ii) to establish the absolute risk difference of three-month mortality of bedridden compared to non-bedridden patients...
November 6, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29105594/tolvaptan-in-later-stage-autosomal-dominant-polycystic-kidney-disease
#17
RANDOMIZED CONTROLLED TRIAL
Vicente E Torres, Arlene B Chapman, Olivier Devuyst, Ron T Gansevoort, Ronald D Perrone, Gary Koch, John Ouyang, Robert D McQuade, Jaime D Blais, Frank S Czerwiec, Olga Sergeyeva
BACKGROUND: In a previous trial involving patients with early autosomal dominant polycystic kidney disease (ADPKD; estimated creatinine clearance, ≥60 ml per minute), the vasopressin V2-receptor antagonist tolvaptan slowed the growth in total kidney volume and the decline in the estimated glomerular filtration rate (GFR) but also caused more elevations in aminotransferase and bilirubin levels. The efficacy and safety of tolvaptan in patients with later-stage ADPKD are unknown. METHODS: We conducted a phase 3, randomized withdrawal, multicenter, placebo-controlled, double-blind trial...
November 16, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29063462/the-role-of-microalbuminuria-as-a-predictor-of-subclinical-cardiovascular-events-in-rheumatoid-arthritis-patients-and-its-relation-to-disease-activity
#18
D W Nada, S El Morsy, M H Abu-Zaid, M A Aboelhawa, Mohammad A Zakaria, E A El Sheikh, R A Gaber
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that affects many body tissues and leads to major morbidity and mortality. Renal disease in RA is clinically important because it restricts the management of primary disease and increases mortality. The objectives of this study are to (1) investigate the difference between RA patients with and without microalbuminuria (MAU) and (2) find out the relation between MAU and disease activity as well as subclinical cardiovascular effects. Ninety RA patients were divided into two groups according to the presence of MAU, in addition to 30 healthy volunteers...
October 23, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29050174/-effects-of-modified-three-step-procedure-for-anatrophic-nephrolithotomy-in-the-treatment-of-complex-staghorn-renal-calculi
#19
C L Yang, W Wang, W E Zhou, Y P Xue, B Q Wang, H B Nie, W L Hu
Objective: To investigate the effects of modified three-step procedure for anatrophic nephrolithotomy in the treatment of complex staghorn renal calculi. Methods: A total of 22 patients with complex staghorn renal calculi between June 2013 and June 2016 at Department of Urology in Guangzhou General Hospital of Guangzhou Military Command were retrospective analyzed. There were 13 males and 9 females, ranging from 35 to 62 years old with mean age of 47 years. There were 17 patients with dull pain, and 5 patients who were found through physical examinations...
October 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29049415/effect-of-diacerein-on-renal-function-and-inflammatory-cytokines-in-participants-with-type-2-diabetes-mellitus-and-chronic-kidney-disease-a-randomized-controlled-trial
#20
RANDOMIZED CONTROLLED TRIAL
Fabiana Piovesan, Glaucia S Tres, Leila B Moreira, Michael E Andrades, Hugo K Lisboa, Sandra C Fuchs
Diacerein seems to improve metabolic control and reduce inflammatory marker levels in individuals with type 2 diabetes mellitus (Type 2 DM), but for participants with chronic kidney disease (CKD) its effect is unknown. This study aimed to evaluate the effect of diacerein vs. placebo on urinary albumin/creatinine ratio (ACR), glomerular filtration rate (GFR), and inflammatory cytokines in type 2 DM participants with CKD. Blood pressure (BP) and metabolic control were secondary outcomes. This randomized, placebo-controlled, parallel trial of adjuvant treatment of type 2 DM with diacerein enrolled seventy-two participants with CKD, aged 30-80 years, with glycated hemoglobin levels from 53-97 mmol/mol (7...
2017: PloS One
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