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renale resistive index

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https://www.readbyqxmd.com/read/29104789/evaluation-of-selected-doppler-parameters-of-renal-blood-flow-in-patients-undergoing-extracorporeal-shock-wave-lithotripsy
#1
Krzysztof Balawender, Stanisław Orkisz
Introduction: Despite the risk of complications, which does not exceed several percent, extracorporeal shock wave lithotripsy (ESWL) causes morphological and functional changes in kidneys as a result of the effect of the generated shock wave energy on the renal parenchyma structure. Material and methods: Forty-two patients were included in the study. The mean age in the studied group was 50.9 years (SD ±13.7). Extracorporeal lithotripsy treatments were carried out during the period from January 2014 to April 2014 using an electromagnetic shock wave generator...
2017: Central European Journal of Urology
https://www.readbyqxmd.com/read/29098395/additive-naftopidil-treatment-synergizes-docetaxel-induced-apoptosis-in-human-prostate-cancer-cells
#2
Kenichiro Ishii, Izumi Matsuoka, Shinya Kajiwara, Takeshi Sasaki, Manabu Miki, Manabu Kato, Hideki Kanda, Kiminobu Arima, Taizo Shiraishi, Yoshiki Sugimura
PURPOSE: Docetaxel (DTX) is a standard chemotherapeutic drug for castration-resistant prostate cancer (CRPC), although adverse events are common. To overcome this problem, researchers have evaluated the efficacy of DTX treatment in combination with other drugs. Naftopidil is a tubulin-binding drug with fewer adverse events, implying the usefulness of this drug in clinical applications when combined with DTX. Here, we investigated the efficacy of additive naftopidil treatment in combination with DTX on prostate cancer (PCa) cells...
November 2, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29097288/trend-over-time-in-hepatic-fibrosis-score-in-a-cohort-of-type-2-diabetes-patients
#3
Carlo Bruno Giorda, Gabriele Forlani, Roberta Manti, Arianna Mazzotti, Salvatore De Cosmo, Maria Chiara Rossi, Antonio Nicolucci, Paolo Di Bartolo, Antonio Ceriello, Pietro Guida, Barbara Tartaglino, Giuseppina Russo
AIMS: The prevalence and progression of hepatic fibrosis and its correlated factors in type 2 diabetes (T2DM) are poorly known. We aimed to define the percentage of T2DM patients who progress to fibrosis and the factors associated with disease progression. METHODS: Data from the electronic health records of 1527 patients with diagnosed T2DM and nonalcoholic fatty liver disease (NAFLD), as diagnosed by the Fatty Liver Index, were extracted from the AMD Annals database, which collects data from the Italian network of diabetes clinics...
October 30, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29091814/effects-of-chronic-fructose-overload-on-renal-dopaminergic-system-alteration-of-urinary-l-dopa-dopamine-index-correlates-to-hypertension-and-precedes-kidney-structural-damage
#4
Natalia L Rukavina Mikusic, Nicolás M Kouyoumdzian, Julieta S Del Mauro, Gabriel Cao, Verónica Trida, Mariela M Gironacci, Ana M Puyó, Jorge E Toblli, Belisario E Fernández, Marcelo R Choi
Insulin resistance induced by a high-fructose diet has been associated to hypertension and renal damage. The aim of this work was to assess alterations in the urinary L-dopa/dopamine ratio over three time periods in rats with insulin resistance induced by fructose overload and its correlation with blood pressure levels and the presence of microalbuminuria and reduced nephrin expression as markers of renal structural damage. Male Sprague-Dawley rats were randomly divided into six groups: control (C) (C4, C8 and C12) with tap water to drink and fructose-overloaded (FO) rats (FO4, FO8 and FO12) with a fructose solution (10% w/v) to drink for 4, 8 and 12 weeks...
September 21, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29082816/pilot-study-to-evaluate-the-potential-use-of-the-renal-resistive-index-as-a-preliminary-diagnostic-tool-for-chronic-kidney-disease-in-cats
#5
Ines Matos, Pedro Azevedo, L Miguel Carreira
Objectives Chronic kidney disease (CKD) is the most common renal pathology diagnosed in geriatric cats, and its prevalence increases with age. The arterial resistive index (RI) is important when evaluating vascular resistance and compliance, and can be applied in the kidney (renal RI [RRI]), allowing the evaluation of its vascular haemodynamics. The present study aimed to: (1) investigate in cats with CKD the relationships between the RRI and the following parameters: age, sex, body weight, plasmatic creatinine, blood urea nitrogen, potassium, urine specific gravity, urine protein:creatinine ratio, systolic arterial pressure; and (2) evaluate the potential use of the RRI as a preliminary diagnostic tool in cats with CKD...
October 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29073130/non-alcoholic-fatty-liver-disease-and-the-development-of-nephrolithiasis-a-cohort-study
#6
Seolhye Kim, Yoosoo Chang, Eunju Sung, Cheol Hwan Kim, Kyung Eun Yun, Hyun-Suk Jung, Hocheol Shin, Seungho Ryu
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD), a hepatic manifestation or precursor of metabolic syndrome, may increase nephrolithiasis, a renal manifestation of insulin resistance, but the prospective association between NAFLD and incident nephrolithiasis has not been evaluated. We examined the association of NAFLD with the development of nephrolithiasis in a large cohort of Korean men and women. METHODS: We performed a cohort study of 208,578 Korean adults who underwent a health checkup examination between January 2002 and December 2014 and were followed-up annually or biennially through December 2014...
2017: PloS One
https://www.readbyqxmd.com/read/29067207/abdominal-ultrasonography-of-the-healthy-howler-monkey-alouatta-fusca
#7
Raquel Sartor, Thiago R Müller, Maria J Mamprim, Carlos R Teixeira, Livia P de Souza, Ricardo C Lehmkuhl, Marilia G Luciani
Abdominal ultrasonography was performed in six healthy adult brown howler monkeys Alouatta fusca and the normal ultrasonographic anatomy of the liver, gallbladder, stomach and urinary tract described for the first time. Findings were compared with post-mortem studies. The renal cortex was isoechoic to the spleen and isoechoic or hyperechoic to the liver. Kidney length and renal arterial resistive index, systolic and diastolic velocity were calculated. The liver showed a homogeneous hypoechogenic echotexture...
February 2017: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29061124/dapagliflozin-acutely-improves-endothelial-dysfunction-reduces-aortic-stiffness-and-renal-resistive-index-in-type-2-diabetic-patients-a-pilot-study
#8
Anna Solini, Livia Giannini, Marta Seghieri, Edoardo Vitolo, Stefano Taddei, Lorenzo Ghiadoni, Rosa Maria Bruno
BACKGROUND: Sodium-glucose cotransporter-2 inhibitors reduce blood pressure (BP) and renal and cardiovascular events in patients with type 2 diabetes through not fully elucidated mechanisms. Aim of this study was to investigate whether dapagliflozin is able to acutely modify systemic and renal vascular function, as well as putative mechanisms. METHODS: Neuro-hormonal and vascular variables, together with 24 h diuresis, urinary sodium, glucose, isoprostanes and free-water clearance were assessed before and after a 2-day treatment with dapagliflozin 10 mg QD in sixteen type 2 diabetic patients; data were compared with those obtained in ten patients treated with hydrochlorothiazide 12...
October 23, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29051811/serum-uric-acid-levels-are-associated-with-homeostasis-model-assessment-in-obese-nondiabetic-patients-homa-and-uric-acid
#9
Cesar I Elizalde-Barrera, Teresa Estrada-García, Jose J Lozano-Nuevo, Ana K Garro-Almendaro, Catalina López-Saucedo, Alberto F Rubio-Guerra
BACKGROUND: Hyperuricemia leads to insulin resistance, whereas insulin resistance decreases renal excretion of uric acid. The aim of this study was to evaluate whether there is a correlation between serum uric acid levels with homeostatic model assessment (HOMA) 1 in nondiabetic patients. METHODS: We evaluated 88 nondiabetic patients, in whom uric acid levels were measured, in all of them HOMA of β-cell function (HOMA 1B) and HOMA of insulin resistance (HOMA 1IR) scores were performed...
October 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29045740/adding-vancomycin-to-perioperative-prophylaxis-decreases-deep-sternal-wound-infections-in-high-risk-cardiac-surgery-patients
#10
Sylvia Reineke, Thierry P Carrel, Verena Eigenmann, Brigitta Gahl, Urs Fuehrer, Christian Seidl, David Reineke, Eva Roost, Magi Bächli, Jonas Marschall, Lars Englberger
OBJECTIVES: Perioperative prophylaxis with cephalosporins reduces sternal wound infections (SWIs) after cardiac surgery. However, more than 50% of coagulase-negative staphylococci, an important pathogen, are cephalosporin resistant. The aim of this study was to determine the impact of adjunctive vancomycin on SWIs in high-risk patients. METHODS: We conducted a pre- and postintervention study in an academic hospital. Preintervention (2010-2011), all patients received prophylaxis with 1...
October 16, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29042091/effects-of-renal-denervation-on-coronary-flow-reserve-and-forearm-dilation-capacity-in-patients-with-treatment-resistant-hypertension-a-randomized-double-blinded-sham-controlled-clinical-trial
#11
Morten Engholm, Jannik B Bertelsen, Ole N Mathiassen, Hans E Bøtker, Henrik Vase, Christian D Peters, Jesper N Bech, Niels H Buus, Anne P Schroeder, Hans Rickers, Klavs W Hansen, Per L Poulsen, Anne Kaltoft, Kent L Christensen
BACKGROUND: Microvascular impairment is well documented in hypertension. We investigated the effect of renal sympathetic denervation (RDN) on cardiac and peripheral microvasculature in patients with treatment-resistant essential hypertension (TRH). METHODS: A randomized, single centre, double-blinded, sham-controlled clinical trial. Fifty-eight patients with TRH (ambulatory systolic BP (ASBP) ≥ 145mmHg) despite stable treatment were randomized to RDN or SHAM. RDN was performed with the unipolar Medtronic Flex catheter...
October 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29041878/-influence-of-sympathetic-denervation-of-the-renal-artery-on-the-level-of-arterial-blood-pressure-cerebral-blood-flow-and-cognitive-function-in-patients-with-resistant-arterial-hypertension
#12
Y N Efimova, A V Lichikaki, B Y Lishmanov
PURPOSE: To study the effect of radiofrequency ablation of renal arteries on regional cerebral blood flow and cognitive function in patients with resistant arterial hypertension (AH). MATERIAL AND METHODS: Transcatheter renal denervation (TRD) was performed in 17 patients with resistant AH. Examination before and after TRD included SPECT with mTc-HMPAO, 24-hours blood pressure (BP) monitoring, and comprehensive neuropsychological testing. Fifteen patients without angiographic signs of carotid atherosclerosis, coronary artery disease and AH, neurological and psychiatric disorders were investigated as control group...
July 2017: Kardiologiia
https://www.readbyqxmd.com/read/29027695/shear-wave-elastographic-alterations-in-the-kidney-after-extracorporeal-shock-wave-lithotripsy
#13
Rustu Turkay, Ercan Inci, Derya Bas, Arda Atar
OBJECTIVES: Extracorporeal shock wave lithotripsy (ESWL) is a method used frequently for the treatment of renal stone disease. Although its safety is proven, there are still concerns about its unwanted effects on kidneys. In this prospective study, we aimed to evaluate renal tissue alterations with shear wave elastography (SWE) after ESWL. We also studied the correlation between SWE and resistive index (RI) changes. METHODS: The study included 59 patients who underwent ESWL treatment for renal stone disease...
October 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29023893/analysis-of-renal-blood-flow-and-renal-volume-in-normal-fetuses-and-in-fetuses-with-a-solitary-functioning-kidney
#14
An Hindryckx, Anke Raaijmakers, Elena Levtchenko, Karel Allegaert, Luc De Catte
OBJECTIVE: To evaluate renal blood flow and renal volume for the prediction of postnatal renal function in fetuses with solitary functioning kidney (SFK). METHODS: 74 SFK fetuses (unilateral renal agenesis (12), multicystic dysplastic kidney (36) and severe renal dysplasia (26)) were compared with 58 healthy fetuses. Peak systolic velocity (PSV), Pulsatility Index (PI ) and Resistance Index (RI) of the renal artery (RA) were measured; 2- and 3D (VOCAL) volumes were calculated...
October 10, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29022743/non-invasive-evaluation-of-stable-renal-allograft-function-using-point-shear-wave-elastography
#15
Bom Jun Kim, Chan Kyo Kim, Jung Jae Park
OBJECTIVE: To investigate the feasibility of point shear-wave elastography (SWE) in evaluating patients with stable renal allograft function who underwent protocol biopsies. METHODS: 95 patients with stable renal allograft function that underwent ultrasound-guided biopsies at predefined time points (10 days or 1 year after transplantation) were enrolled. Ultrasound and point SWE examinations were performed immediately before protocol biopsies. Patients were categorized into two groups: subclinical rejection (SCR) and non-SCR...
October 31, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28970161/the-combined-use-of-tigecycline-with-high-dose-colistin-might-not-be-associated-with-higher-survival-in-critically-ill-patients-with-bacteraemia-due-to-carbapenem-resistant-acinetobacter-baumannii
#16
T Amat, A Gutiérrez-Pizarraya, I Machuca, I Gracia-Ahufinger, E Pérez-Nadales, Á Torre-Giménez, J Garnacho-Montero, J M Cisneros, J Torre-Cisneros
OBJECTIVE: To assess the association of survival and treatment with colistin and tigecycline in critically ill patients with carbapenem-resistant Acinetobacter baumannii bacteraemia. METHODS: An observational cohort study was carried out. Targeted therapy consisted of monotherapy with colistin (9 million UI/day) or combined therapy with colistin and tigecycline (100 g/day). The primary outcome was 30-day crude mortality. The association between combined targeted therapy and mortality was controlled for empirical therapy with colistin, propensity score of combined therapy and other potential confounding variables in a multivariate Cox regression analysis...
September 29, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28958477/duplex-scan-and-histologic-assessment-of-acute-renal-injury-in-a-kidney-kidney-crosstalk-swine-experimental-model
#17
Anna Paula W Baptista Sincos, Angela Mazzeo, Igor Rafael Sincos, Felipe Coelho Neto, Nelson Wolosker, Ricardo Aun, Katia R M Leite, Vitoria Penido de Paula, Oskar G Kaufmann
OBJECTIVE: The objective of this study was to identify the effect of two left renal vasculature occlusion strategies on the duplex ultrasound-assessed rheology and histology of the contralateral kidney. METHODS: Pigs were randomly assigned to one of two groups: left renal artery-only clamping (A group, n = 8) or left renal artery and vein clamping (AV group, n = 9). Bilateral renal parenchymal biopsy specimens were taken every 10 minutes for 90 minutes. Duplex ultrasound resistive index (RI) and pulsatility index (PI) were measured...
September 25, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28950814/optimising-%C3%AE-lactam-dosing-in-neonates-a-review-of-pharmacokinetics-drug-exposure-and-pathogens
#18
Aline Fuchs, Grace Li, Johannes Van Den Anker, Julia Bielicki
BACKGROUND: β-lactams are among the most frequently prescribed antibiotics for the treatment of neonatal sepsis. Survival of extremely preterm neonates necessitates an improved understanding of how β-lactams should be used in this vulnerable population. Appropriate dosing regimens for neonates remain unclear. We reviewed available data on the pharmacokinetics (PK) of β-lactam drugs in neonates. Pharmacokinetic/pharmacodynamic (PK/PD) efficacy index surrogates and minimum inhibitory concentrations (MICs) used to support dosing regimens recommendation in the studies were also investigated...
September 25, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28930524/hypertension-and-cardiometabolic-disease
#19
Ivan Tasic, Dragan Lovic
Hypertension has  a central role in cardiometabolic disease and is usually associated with  metabolic disorders, such as insulin resistance, obesity, and dyslipidemia. Hyperinsulinemia may increase cardiovascular (CV) risk through its promotion of hypertension, which is possibly a result of chronic enhancement of sympathetic nervous system activity, stimulation of the renin-angiotensin-aldosterone system leading to increased renal tubular sodium reabsorption, modulating cation transport, or inducing vascular smooth muscle cell hypertrophy...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28926842/pharmacotherapy-with-thymoquinone-improved-pancreatic-%C3%AE-cell-integrity-and-functional-activity-enhanced-islets-revascularization-and-alleviated-metabolic-and-hepato-renal-disturbances-in-streptozotocin-induced-diabetes-in-rats
#20
Adel Galal El-Shemi, Osama Adnan Kensara, Aiman Alsaegh, Mohammed Hasan Mukhtar
AIMS: This study is aimed at evaluating the antidiabetic effects of thymoquinone (TQ) on streptozotocin (STZ)-induced diabetes in rats, and exploring the possible underlying mechanisms. METHODS: Diabetes was induced in adult male Wistar rats by intraperitoneal injection of freshly prepared STZ (65 mg/kg). After disease induction, 42 rats were equally assigned to: controls, STZ-diabetic group, and STZ-diabetic group treated with oral TQ (35 mg/kg/day) for 5 weeks...
September 20, 2017: Pharmacology
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