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renal resistive index

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https://www.readbyqxmd.com/read/29891746/correlation-between-circulating-visfatin-and-nitric-oxide-metabolites-levels-in-patients-with-diabetic-nephropathy
#1
Naghmeh Akbarian, Nosratollah Zarghami, Ali Mota, Sima Abediazar, Sina Abroon, Aynaz Mihanfar, Mina Amanzadeh, Akbar Darbin, Hossein Bannazadeh Baghi, Mohammad Rahmati-Yamchi
INTRODUCTION: Diabetic nephropathy is one of the serious complications of diabetes mellitus. Visfatin is an intracellular enzyme with insulin-mimicking effects. It enhances the expression of endothelial nitric oxide (NO) synthase in renal cells. This study aimed to investigate serum levels of visfatin and NO metabolites in patients with diabetic nephropathy. MATERIALS AND METHODS: A total of 80 diabetic patients were enrolled and classified into nephropathic and non-nephropathic patients...
May 2018: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/29889830/renal-resistive-index-as-an-early-predictor-and-discriminator-of-acute-kidney-injury-in-critically-ill-patients-a-prospective-observational-cohort-study
#2
Jelle L G Haitsma Mulier, Sander Rozemeijer, Jantine G Röttgering, Angelique M E Spoelstra-de Man, Paul W G Elbers, Pieter Roel Tuinman, Monique C de Waard, Heleen M Oudemans-van Straaten
BACKGROUND: Acute kidney injury (AKI) complicates shock. Diagnosis is based on rising creatinine, a late phenomenon. Intrarenal vasoconstriction occurs earlier. Measuring flow resistance in the renal circulation, Renal Resistive Index (RRI), could become part of vital organ function assessment using Doppler ultrasound. Our aim was to determine whether RRI on ICU admission is an early predictor and discriminator of AKI developed within the first week. METHODS: In this prospective cohort of mixed ICU patients with and without shock, RRI was measured <24-h of admission...
2018: PloS One
https://www.readbyqxmd.com/read/29885868/impact-of-pseudomonas-aeruginosa-bacteraemia-in-a-tertiary-hospital-mortality-and-prognostic-factors
#3
Alejandro Callejas-Díaz, Cristina Fernández-Pérez, Antonio Ramos-Martínez, Elena Múñez-Rubio, Isabel Sánchez-Romero, Juan Antonio Vargas Núñez
BACKGROUND AND OBJECTIVES: Pseudomonas aeruginosa bacteraemia is associated with a very high mortality, conditioned by comorbidity, source, severity of the episode and lack of adequate treatment. The aim of the study is to know the mortality and prognostic factors of bacteraemia by P.aeruginosa in our hospital. PATIENTS AND METHODS: We conducted a retrospective study of P.aeruginosa bacteraemia detected between 2009 and 2014. Epidemiological, clinical and microbiological characteristics were described...
June 6, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29880357/renal-doppler-resistance-indices-in-kidney-transplant-recipients-with-proteinuria
#4
M Boran, E Boran, M Boran, M Tola
BACKGROUND: The onset of proteinuria in renal transplant recipients may be associated with an increased risk of allograft failure. Little is known about the relationships between factors influencing proteinuria and the Doppler ultrasound (DU) intrarenal resistive index (RI) and pulsatility index (PI) among donor recipients with proteinuria <1000 mg/24 h. METHODS: We assessed correlations between the DU RI and PI and protein content in 93 selected renal transplant recipients: 62 patients with proteinuria 100 to 299 mg/24 h, 16 patients with proteinuria 300 to 499 mg/24 h, and 15 patients with proteinuria 500 to 999 mg/24 h...
June 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29879908/mortality-and-associated-factors-of-patients-with-extensive-drug-resistant-tuberculosis-an-emerging-public-health-crisis-in-china
#5
Chengli Bei, Manjiao Fu, Yao Zhang, Hebin Xie, Ke Yin, Yanke Liu, Li Zhang, Bangruan Xie, Fang Li, Hua Huang, Yuhong Liu, Li Yang, Jing Zhou
BACKGROUND: Limited treatment options of extensive drug-resistant tuberculosis (XDR-TB) have led to its high mortality worldwide. Relevant data about mortality of XDR-TB patients in literature are limited and likely underestimate the real situation in China, since the majority of patients with XDR-TB are lost to follow-up after discharge from TB hospitals. In this study, we sought to investigate the mortality and associated risk factors of Human Immunodeficiency Virus (HIV)-negative patients with XDR-TB in China...
June 7, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29850609/assessment-of-vitamin-d-binding-protein-and-early-prediction-of-nephropathy-in-type-2-saudi-diabetic-patients
#6
Manal S Fawzy, Baraah T Abu AlSel
Early detection of diabetic nephropathy (DN) represents a great challenge in an attempt to reduce the burden of chronic kidney diseases in diabetic patients. This study aimed to investigate the potential early prediction role of urinary vitamin D-binding protein (uVDBP) for the diagnosis of DN and to examine the possible correlation to serum VDBP, high-sensitivity C-reactive protein (hs-CRP), and insulin resistance in these patients. Serum and urine samples were obtained from 40 healthy volunteers and 120 patients with type 2 diabetes divided into 3 groups: normoalbuminuria, microalbuminuria, and macroalbuminuria (urinary albumin excretion rate < 30, 30-300, and >300  μ g/mg, resp...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29850223/the-association-between-intradialytic-hypertension-and-metabolic-disorders-in-end-stage-renal-disease
#7
Vaia D Raikou, Despina Kyriaki
Background: Intradialytic hypertension was associated with a high mortality risk. We examined the relationship between intradialytic hypertension and metabolic disorders in hemodialysis treatment patients. Methods: We studied 76 patients in online hemodiafiltration. Dialysis adequacy was defined by Kt / V for urea. Normalized protein catabolic rate (nPCR), as a marker of protein intake, was calculated. Sodium removal was determined as percent sodium removal. Metabolic acidosis was determined by serum bicarbonate less than 22 mmol/L...
2018: International Journal of Hypertension
https://www.readbyqxmd.com/read/29846327/regression-of-organ-damage-following-renal-denervation-in-resistant-hypertension-a-meta-analysis
#8
Athanasios Kordalis, Dimitrios Tsiachris, Panagiota Pietri, Costas Tsioufis, Christodoulos Stefanadis
AIMS: Prospective observational studies have suggested that renal denervation (RDN) is associated with target organ damage (TOD) regression. Our aim is to review and meta-analyze the available evidence for the effect of RDN on TOD. METHODS: We searched literature for studies with eligible content and performed random-effect meta-analyses for the following outcomes: left ventricular mass index (LVMI), left atrial volume index (LAVI), E to A wave velocities of trans-mitral inflow (E/A) and E wave velocity to Em velocity from tissue Doppler imaging (E/Em), central augmentation index (AIx) and carotid-femoral pulse wave velocity (PWV)...
May 24, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29845330/changes-in-arterial-pressure-hemodynamics-in-response-to-renal-nerve-stimulation-both-before-and-after-renal-denervation
#9
Annemiek F Hoogerwaard, Ahmet Adiyaman, Mark R de Jong, Jaap Jan J Smit, Peter Paul H M Delnoy, Jan-Evert Heeg, Boudewijn A A M van Hasselt, Anand R Ramdat Misier, Michiel Rienstra, Arif Elvan
BACKGROUND: Renal nerve denervation (RDN) is developed as a potential treatment for hypertension. Recently, we reported the use of renal nerve stimulation (RNS) to localize sympathetic nerve tissue for subsequent selective RDN. The effects of RNS on arterial pressure dynamics remain unknown. The current study aimed to describe the acute changes in arterial pressure dynamics response to RNS before and after RDN. METHODS AND RESULTS: Twenty six patients with drug-resistant hypertension referred for RDN were included...
May 29, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29807860/left-endocarditis-changes-in-the-new-millennium
#10
Mariam Noureddine-López, Javier de la Torre-Lima, Josefa Ruiz-Morales, Juan Gálvez-Acebal, Carmen Hidalgo-Tenorio, César Arístides de Alarcón González
INTRODUCTION: a description of infective left endocarditis at the turn of the millennium. METHOD: A multicentre prospective study into the left endocarditis using data collected from the Andalusian cohort for the study of cardiovascular infections during 1984-2014. RESULTS: Of the 1,604 endocarditis cases collected, 382 belonged to G1 (group-1, period 1983-1999) and 1,222 to G2 (group-2, 2000-2014). Patients in the new millennium have a significantly higher mean age, have more comorbidity and concomitant diseases, and nosocomial and health-related endocarditis are more frequent, as well as complications...
May 25, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29797681/does-the-urinary-tract-infection-caused-by-carbapenem-resistant-gram-negative-bacilli-impact-the-outcome-of-kidney-transplant-recipients
#11
Maristela Pinheiro Freire, Clara Mendes, Affonso C Piovesan, Flavio Jota de Paula, Fernanda Spadão, Willian C Nahas, Elias David-Neto, Ligia Camera Pierrotti
The incidence of urinary tract infection (UTI) after kidney transplantation (KT) caused by multidrug-resistant (MDR) bacteria is growing. The aim of this study was to analyze the impact of UTI caused by carbapenem-resistant Gram-negative bacteria (CR-GNB) in the survival of graft and recipients following KT. This was a retrospective cohort study involving patients who underwent KT between 2013 and 2016. Patients were followed since the day of the KT until loss of graft, death or end of the follow-up period (31th December 2016)...
May 24, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29794749/the-relationship-of-insulin-resistance-estimated-by-triglyceride-glucose-index-and-coronary-plaque-characteristics
#12
Ki-Bum Won, Yun Seok Kim, Byoung Kwon Lee, Ran Heo, Donghee Han, Ji Hyun Lee, Sang-Eun Lee, Ji Min Sung, Iksung Cho, Hyung-Bok Park, In-Jeong Cho, Hyuk-Jae Chang
The triglyceride glucose (TyG) index is a useful surrogate marker for insulin resistance, which is an important risk factor for coronary artery disease (CAD). However, data on the relationship of the TyG index and coronary plaque characteristics are limited.This study included 2840 participants with near-normal renal function who underwent coronary computed tomography angiography. CAD was defined as the presence of any plaques, and obstructive CAD was defined as the presence of plaques with ≥50% stenosis...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29777769/a-combined-approach-for-the-early-recognition-of-acute-kidney-injury-after-adult-cardiac-surgery
#13
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 17, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29766465/effects-of-fenoldopam-on-renal-blood-flow-in-hypertensive-chronic-kidney-disease
#14
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/29763902/prognostic-factors-of-renal-involvement-in-systemic-sclerosis
#15
Edoardo Rosato, Antonietta Gigante, Biagio Barbano, Maria Ludovica Gasperini, Rosario Cianci, Maurizio Muscaritoli
BACKGROUND/AIMS: Renal involvement is common in systemic sclerosis (SSc), including asymptomatic reduction of glomerular filtration rate (GFR), increased renal resistance indices, scleroderma renal crisis (SRC) and ANCA-associated vasculitis. The aim was to evaluate type and evolution of renal involvement for a period of five years. METHODS: 121 SSc patients (100 F, 21 M) with mean age of 54.9 ± 13.8, disease duration of 9 ± 6 years, of which 62 had a diffused form and 59 limited form were enrolled...
May 10, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29755405/dual-paraneoplastic-endocrine-syndromes-heralding-onset-of-extrapulmonary-small-cell-carcinoma-a-case-report-and-narrative-review
#16
Jill B Feffer, Natalia M Branis, Jeanine B Albu
Objective: Extrapulmonary small cell carcinoma (EPSCC) is rare and frequent metastases at presentation can complicate efforts to identify a site of origin. In particular, SCC comprises <1% of prostate cancers and has been implicated in castration resistance. Methods: Clinical, laboratory, imaging, and pathology data are presented. Results: A 56-year-old man with locally advanced prostate adenocarcinoma on androgen deprivation therapy presented with a clogged nephrostomy tube...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29753670/intraoperative-renal-resistive-index-as-an-acute-kidney-injury-biomarker-development-and-validation-of-an-automated-analysis-algorithm
#17
Benjamin Y Andrew, Elias Y Andrew, Anne D Cherry, Jennifer N Hauck, Alina Nicoara, Carl F Pieper, Mark Stafford-Smith
OBJECTIVE: Intraoperative Doppler-determined renal resistive index (RRI) is a promising early acute kidney injury (AKI) biomarker. As RRI continues to be studied, its clinical usefulness and robustness in research settings will be linked to the ease, efficiency, and precision with which it can be interpreted. Therefore, the authors assessed the usefulness of computer vision technology as an approach to developing an automated RRI-estimating algorithm with equivalent reliability and reproducibility to human experts...
April 4, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29729361/predictor-role-of-pre-treatment-resistive-and-pulsatile-indexes-in-success-of-medical-expulsive-therapy-of-ureteral-stones
#18
Güven Erbay, Ahmet Yalçın, Mehmet HamzaGültekin
OBJECTIVE: To investigate the role of renal resistive and pulsatile index levels measured with renal Doppler ultrasonography in predicting the success of medical expulsive treatment in patients with ureteral stones. MATERIAL AND METHODS: The patients admitted to our clinic between January and December 2017 with a ureteral stone of less than 1 cm in diameter were evaluated in terms of their resistive and pulsatile indices obtained using Doppler ultrasonography, and the localization and diameter of their stone and grade of hydronephrosis using computed tomography at the time of admission...
May 2, 2018: Urology
https://www.readbyqxmd.com/read/29727629/losartan-prevents-the-imbalance-between-renal-dopaminergic-and-renin-angiotensin-systems-induced-by-fructose-overload-l-dopa-dopamine-index-as-new-potential-biomarker-of-renal-dysfunction
#19
Natalia Lucía Rukavina Mikusic, Nicolás Martín Kouyoumdzian, Ana Uceda, Julieta Sofía Del Mauro, Marcela Pandolfo, Mariela Mercedes Gironacci, Ana María Puyó, Jorge Eduardo Toblli, Belisario Enrique Fernández, Marcelo Roberto Choi
BACKGROUND: The renin angiotensin system (RAS) and the renal dopaminergic system (RDS) act as autocrine and paracrine systems to regulate renal sodium management and inflammation and their alterations have been associated to hypertension and renal damage. Nearly 30-50% of hypertensive patients have insulin resistance (IR), with a strong correlation between hyperinsulinemia and microalbuminuria. OBJECTIVE: The aim of this study was to demonstrate the existence of an imbalance between RAS and RDS associated to IR, hypertension and kidney damage induced by fructose overload (FO), as well as to establish their prevention, by pharmacological inhibition of RAS with losartan...
May 1, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29723861/better-renal-resistive-index-profile-in-subjects-with-beta-thalassemia-minor-br-br-br
#20
Fahrettin Basut, Şakir Özgür Keşkek, Bozkurt Gülek
OBJECTIVE: Beta thalassaemia minor is a common genetic disorder without any characteristic symptoms except mild anemia. It is found to be associated with some cardiovascular risk factors such as insulin resistance and diabetes mellitus. The renal resistive index (RRI) is a measure of renal arterial resistance to blood flow. The aim of this study was to evaluate the renal resistive index in subjects with beta thalassaemia minor (BTM). SUBJECTS AND METHODS: A total of 253 subjects were included in this cross-sectional study...
May 3, 2018: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
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