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renal resistance index

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https://www.readbyqxmd.com/read/28619541/can-renal-resistive-index-predict-acute-kidney-injury-after-acute-type-a-aortic-dissection-repair
#1
Hai-Bo Wu, Huai Qin, Wei-Guo Ma, Hong-Lei Zhao, Jun Zheng, Jian-Rong Li, Li-Zhong Sun
BACKGROUND: This study sought to determine whether assessment of the renal resistive index (RRI) can predict the short-term reversibility of acute kidney injury (AKI) after repair of acute type A aortic dissection (TAAD). METHODS: This prospective study included 62 patients undergoing repair of acute TAAD. Doppler-based RRIs were obtained preoperatively, immediately after the surgical procedure, and 6, 24, and 48 hours postoperatively. The occurrence of AKI was evaluated daily according to Acute Kidney Injury Network criteria...
June 13, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28614093/central-diastolic-pressure-decay-mediates-the-relationship-between-aortic-stiffness-and-myocardial-viability-potential-implications-for-aortosclerosis-induced-myocardial-ischemia
#2
Junichiro Hashimoto, Sadayoshi Ito
OBJECTIVE: Stiffening of the aorta often precedes coronary events, but little is known about the aetiological mechanism. We hypothesized that the predisposition to myocardial ischemia could be attributable to aortosclerosis-induced alterations in the central haemodynamics during diastole. METHODS: Using noninvasive tonometry and ultrasonography, we investigated the arterial pressure pulse waveforms, pulse wave velocities (PWVs) and compliance in 222 patients with hypertension...
June 16, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28612323/risk-assessment-and-outcomes-of-vasoplegia-after-cardiac-surgery
#3
Athanasios Tsiouris, Lynn Wilson, Ala S Haddadin, James J Yun, Abeel A Mangi
OBJECTIVE: The aim of this study was to analyze risk factors and outcomes of vasoplegia after cardiac surgery based on our experience with almost 2000 cardiac operations performed at our institution. METHODS: We retrospectively analyzed patients who underwent cardiac surgery with cardiopulmonary bypass (CPB) between 2011 and 2013. Data were available for a total of 1992 patients. We defined vasoplegia as hypotension with persistently low systemic vascular resistance (<800 dyn/s/cm) and preserved Cardiac Index (>2...
June 13, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28602918/angiogenic-and-angiostatic-factors-in-renal-scleroderma-associated-vasculopathy
#4
Antonietta Gigante, Navarini Luca, Margiotta Domenico, Amoroso Antonio, Barbano Biagio, Cianci Rosario, Afeltra Antonella, Rosato Edoardo
BACKGROUND: The angiogenesis in systemic sclerosis (SSc) is impaired. An imbalance of pro-angiogenic factors and angiogenesis inhibitors has been implicated in the progression of peripheral microvascular damage, defective vascular repair and fibrosis. Intrarenal resistance index are considered markers of renal vasculopathy. The aim of the study is to evaluate angiogenic and angiostatic factors (VEGF and endostatin) in SSc patients and to correlate with intrarenal hemodynamic parameters...
June 8, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28586115/early-detection-of-postoperative-acute-kidney-injury-in-acute-stanford-type-a-aortic-dissection-with-doppler-renal-resistive-index
#5
Huai Qin, Haibo Wu, Yi Chen, Nan Zhang, Zhanming Fan
OBJECTIVES: This study aimed to evaluate the early efficiency of Doppler renal resistive index (DRRI) in prediction of acute kidney injury (AKI) after surgery in acute Stanford Type A aortic dissection (AAAD) patients. METHODS: Sixty-one AAAD patients who planned to receive Sun's surgical management were prospectively enrolled. The DRRI was measured by ultrasonography Doppler on the day before surgery (DRRIpre ), on admission to the intensive care unit (DRRIT0 ), 6 hours after surgery (DRRIT6 ), 24 hours after surgery (DRRIT24 ), and 48 hours after surgery (DRRIT48 )...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28583515/acoustic-radiation-force-impulse-imaging-of-the-transplant-kidney-correlation-between-cortical-stiffness-and-arterial-resistance-in-early-post-transplant-period
#6
H-K Wang, Y-C Lai, Y-H Lin, H-J Chiou, Y-H Chou
BACKGROUND: Acoustic radiation force impulse (ARFI) imaging is a noninvasive imaging modality for quantitative assessment of tissue stiffness. This study utilized ARFI imaging to assess the stiffness of a transplant renal cortex within the first month after renal transplantation and to explore the correlation between the cortical stiffness and arterial resistance of the transplant kidney. METHODS: Forty renal transplant recipients (male/female = 26/14; mean age: 45...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28564644/erythropoietin-hyporesponsiveness-in-dialysis-patients-possible-role-of-statins
#7
Takeshi Hasegawa, Junhui Zhao, Douglas S Fuller, Brian Bieber, Jarcy Zee, Hal Morgenstern, Norio Hanafusa, Masaomi Nangaku
BACKGROUND: Hypothesizing that statins may be useful as adjuvant treatment for renal anemia, we examined the association between statin prescription (Rx) and erythropoiesis-stimulating agent (ESA) hyporesponsiveness in Japanese hemodialysis (HD) patients prescribed ESAs. METHODS: We examined 3,602 patients in 60 HD facilities dialyzed 3 times/week for ≥4 months from the Japan Dialysis Outcomes and Practice Patterns Study phases 3-5 (2005-2015). Statin Rx was reported at the end of a 4-month interval (baseline) for each patient...
June 1, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28564127/impact-of-terlipressin-infusion-during-and-after-live-donor-liver-transplantation-on-incidence-of-acute-kidney-injury-and-neutrophil-gelatinase-associated-lipocalin-serum-levels-a-randomized-controlled-trial
#8
Mohamed Abdelrauf Kandil, Khalid Mousa Abouelenain, Ayman Alsebaey, Hanaa Said Rashed, Mohamed Helmi Afifi, Mohamed Abdelmoneem Mahmoud, Khaled Ahmed Yassen
Acute kidney injury (AKI) with liver transplantation is not uncommon. Impact of Terlipressin infusion on AKI, haemodynamics and plasma concentration of Neutrophil Gelatinase Associated Lipocalin (NGAL) was studied METHODS: Patients (n=50) were randomized (NCT02059460, USA) into 2 equal groups; Terlipressin vs Controls. Terlipressin (1-4 μg/kg/h) was administrated for 5 days. Intraoperative Transoesophageal Doppler for haemodynamic management. Renal functions, peak portal vein blood flow velocity (PPV) and hepatic artery resistive index (HARI) were recorded...
May 31, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28562446/renal-resistive-index-for-resistant-hypertension
#9
Masayuki Tanemoto
No abstract text is available yet for this article.
July 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28562422/serum-calcification-propensity-is-associated-with-renal-tissue-oxygenation-and-resistive-index-in-patients-with-arterial-hypertension-or-chronic-kidney-disease
#10
Menno Pruijm, Yimin Lu, Fatma Megdiche, Maciej Piskunowicz, Bastien Milani, Matthias Stuber, Matthias Bachtler, Bruno Vogt, Michel Burnier, Andreas Pasch
BACKGROUND: Arterial calcifications increase arterial stiffness and are associated with a faster decline of kidney function in patients with arterial hypertension (AH) and/or chronic kidney disease (CKD). Yet the underlying mechanisms linking arterial calcifications, vascular stiffness and renal function decline are incompletely understood. A novel in-vitro blood test evaluates the propensity of patient's serum to prevent the formation of calcifications by measuring the maturation time of calciprotein particles (CPP) [transformation time of amorphous calcium phosphate-containing primary CPP to crystalline hydroxyapatite-containing secondary CPP (T50)]...
May 29, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28553778/pulmonary-hypertension-and-right-heart-failure-due-to-severe-hypernatremic-dehydration
#11
Saurabh Chiwane, Tageldin M Ahmed, Christian P Bauerfeld, Monika Chauhan
INTRODUCTION: Neonates are at risk of developing hypernatremic dehydration and its associated complications, such as stroke, dural sinus thrombosis and renal vein thrombosis. Pulmonary hypertension has not been described as a complication of hypernatremia. CASE REPORT: We report a case of a seven-day-old neonate with severe hypernatremic dehydration who went on to develop pulmonary hypertension and right heart failure needing extracorporeal membrane oxygenation (ECMO)...
July 2017: Perfusion
https://www.readbyqxmd.com/read/28552972/pseudomonas-aeruginosa-urinary-tract-infections-in-hospitalized-patients-mortality-and-prognostic-factors
#12
Jose Luis Lamas Ferreiro, Judith Álvarez Otero, Lucía González González, Luis Novoa Lamazares, Alexandra Arca Blanco, Jose Ramón Bermúdez Sanjurjo, Irene Rodríguez Conde, María Fernández Soneira, Javier de la Fuente Aguado
BACKGROUND: The aim of this study was to analyze the mortality and predictors of 30-day mortality among hospitalized patients with Pseudomonas aeruginosa urinary tract infection (PAUTI) and the impact of antibiotic treatment on survival. METHODS: Patients admitted to our hospital with PAUTI or those diagnosed of PAUTI during hospitalization for other disease between September 2012 and September 2014 were included. Repeated episodes from the same patient were excluded...
2017: PloS One
https://www.readbyqxmd.com/read/28551412/heterogeneity-in-renal-cell-carcinoma
#13
REVIEW
Alp Tuna Beksac, David J Paulucci, Kyle A Blum, Shalini Singh Yadav, John P Sfakianos, Ketan K Badani
INTRODUCTION: In recent years, molecular characterization of renal cell carcinoma has facilitated the identification of driver genes, specific molecular pathways, and characterization of the tumor microenvironment, which has led to a better understanding of the disease. This comprehension has revolutionized the treatment for patients with metastatic disease, but despite these advancements many patients will develop resistance leading to treatment failure. A primary cause of this resistance and subsequent treatment failure is tumor heterogeneity...
May 24, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28540202/role-of-imaging-in-the-evaluation-of-renal-dysfunction-in-heart-failure-patients
#14
REVIEW
Dario Grande, Paola Terlizzese, Massimo Iacoviello
Heart failure and kidney disease share common pathophysiological pathways which can lead to mutual dysfunction, known as cardiorenal syndrome. In heart failure patients, renal impairment is related to hemodynamic and non-hemodynamic factors. Both decreased renal blood flow and renal venous congestion due to heart failure could lead to impaired renal function. Kidney disease and worsening renal function are independently associated with poor prognosis in heart failure patients, both in acute and chronic clinical settings...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28532398/clinical-outcomes-of-linezolid-and-vancomycin-in-patients-with-nosocomial-pneumonia-caused-by-methicillin-resistant-staphylococcus-aureus-stratified-by-baseline-renal-function-a-retrospective-cohort-analysis
#15
Ping Liu, Blair Capitano, Amy Stein, Ali A El-Solh
BACKGROUND: The primary objective of this study is to assess whether baseline renal function impacts treatment outcomes of linezolid and vancomycin (with a dose-optimized regimen) for methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. METHODS: We conducted a retrospective cohort analysis of data generated from a prospective, randomized, controlled clinical trial (NCT 00084266). The analysis included 405 patients with culture-proven MRSA pneumonia. Baseline renal function was stratified based on creatinine clearance...
May 22, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28507626/follow-up-of-value-of-the-intrarenal-resistivity-indices-and-different-renal-biomarkers-for-early-identification-of-diabetic-nephropathy-in-type-1-diabetic-patients
#16
Soha Abd El Dayem, Abo El Magd El Bohy, Mona Hamed, Solaf Ahmed
AIM: To evaluate intrarenal resistivity index (RI) and different biomarkers of diabetic nephropathy (DN) with clinical signs of DN and its progression over time as early detection of DN. PATIENTS AND METHODS: This longitudinal study included 48 type 1 diabetic patients who were studied at baseline and after three years. A blood sample was taken for assessment of glycosylated haemoglobin (HbA1), lipid profile and a urine sample was taken for assessment of albumin/creatinine ratio, Neutrophil gelatinase-associated lipocalin (NGAL), liver-type fatty acid binding protein (L-FABP) and kidney injury molecule-1 (Kim-1) at baseline and after three years...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28507113/efficacy-of-a-binuclear-cyclopalladated-compound-therapy-for-cutaneous-leishmaniasis-in-the-murine-model-of-infection-with-leishmania-amazonensis-and-its-inhibitory-effect-on-topoisomerase-1b
#17
Angela Maria Arenas Velásquez, Willian Campos Ribeiro, Vutey Venn, Silvia Castelli, Mariana Santoro, Renata Pires de Assis, Rodrigo Alves de Souza, Aline Rimoldi Ribeiro, Thaís Gaban Passalaqua, João Aristeu da Rosa, Amanda Martins Baviera, Antonio Eduardo Mauro, Alessandro Desideri, Elmo Eduardo Almeida-Amaral, Marcia A S Graminha
Leishmaniasis is a disease found throughout the (sub)tropical parts of the world caused by protozoan parasites of the Leishmania genus. Despite the numerous problems associated with existing treatments, pharmaceutical companies continue to neglect the development of better ones. The high toxicity of current drugs combined with emerging resistance makes the discovery of new therapeutic alternatives urgent. Here we report the evaluation of a binuclear cyclopalladated complex containing Pd(II) and N,N' -dimethylbenzylamine (Hdmba) against Leishmania amazonensis...
May 15, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28497431/effect-of-catheter-based-renal-denervation-on-left-ventricular-function-mass-and-un-twist-with-two-dimensional-speckle-tracking-echocardiography
#18
Lida Feyz, Bas M van Dalen, Marcel L Geleijnse, Nicolas M Van Mieghem, Ron T van Domburg, Joost Daemen
BACKGROUND: Speckle tracking echocardiography (STE) is an echocardiography modality that is able to measure left ventricular (LV) characteristics, including rotation, strain and strain rate. Strain measures myocardial fibre contraction and relaxation. This study aims to assess the effect of renal sympathetic denervation (RDN) on functional myocardial parameters, including STE, and to identify potential differences between responders and non-responders. METHODS: The study population consisted of 31 consecutive patients undergoing RDN in the context of treatment for resistant hypertension...
May 11, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28497081/relationship-between-serum-irisin-glycemic-indices-and-renal-function-in-type-2-diabetic-patients
#19
Leila Mahmoodnia, Maryam Sadoughi, Ali Ahmadi, Marzieh Kafeshani
Introduction: Irisin is a novel peptide that plays notable role in human and animal biology and physiology. It has been reported that irisin may improve insulin resistance and related disturbances. Objectives: The aim of this investigation was to assess the relationship between serum irisin, glycemic indices, and renal function in diabetic subjects. Patients and Methods: In this cross-sectional study, a total of 102 type 2 diabetes mellitus (T2DM) patients were recruited. Blood biochemical parameters, including fasting plasma sugar (FBS), glycosylated hemoglobin (HbA1C), serum uric acid (sUA), creatinine concentration and glomerular filtration rate (GFR) were measured...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28497040/metabolic-syndrome-and-hypertension-resulting-from-fructose-enriched-diet-in-wistar-rats
#20
Julie Dupas, Annie Feray, Christelle Goanvec, Anthony Guernec, Nolwenn Samson, Pauline Bougaran, François Guerrero, Jacques Mansourati
Increased sugar consumption, especially fructose, is strongly related to the development of type 2 diabetes (T2D) and metabolic syndrome. The aim of this study was to evaluate long term effects of fructose supplementation on Wistar rats. Three-week-old male rats were randomly divided into 2 groups: control (C; n = 14) and fructose fed (FF; n = 18), with a fructose enriched drink (20-25% w/v fructose in water) for 21 weeks. Systolic blood pressure, fasting glycemia, and bodyweight were regularly measured. Glucose tolerance was evaluated three times using an oral glucose tolerance test...
2017: BioMed Research International
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