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Renal Function Recovery

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https://www.readbyqxmd.com/read/29148253/quantification-of-vascular-damage-in-acute-kidney-injury-with-fluorine-magnetic-resonance-imaging-and-spectroscopy
#1
Jeremy K Moore, Junjie Chen, Hua Pan, Joseph P Gaut, Sanjay Jain, Samuel A Wickline
PURPOSE: To design a fluorine MRI/MR spectroscopy approach to quantify renal vascular damage after ischemia-reperfusion injury, and the therapeutic response to antithrombin nanoparticles (NPs) to protect kidney function. METHODS: A total of 53 rats underwent 45 min of bilateral renal artery occlusion and were treated at reperfusion with either plain perfluorocarbon NPs or NPs functionalized with a direct thrombin inhibitor (PPACK:phenyalanine-proline-arginine-chloromethylketone)...
November 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29144627/laparoscopic-nephrectomy-outside-gerota-fascia-and-en-bloc-ligation-of-the-renal-hilum-for-management-of-inflammatory-renal-diseases
#2
Liang Ma, Yanlan Yu, Guangju Ge, Gonghui Li
OBJECTIVES: This study aims to improve laparoscopic nephrectomy techniques for inflammatory renal diseases (IRD) and to reduce complications. MATERIALS AND METHODS: Thirty-three patients underwent laparoscopic nephrectomy for IRD, with a method of outside Gerota fascia dissection and en-bloc ligation and division of the renal pedicle. Operative time, blood loss, complications, analgesia requirement, post-operative recovery of intestinal function and hospital stay were recorded...
November 19, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29131132/points-of-concern-in-post-acute-kidney-injury-management
#3
Jill Vanmassenhove, Raymond Vanholder, Norbert Lameire
The incidence of acute kidney injury (AKI) will in the future remain high, partly due to an increase in comorbidities and other AKI favoring factors such as the rise in high-risk diagnostic and therapeutic interventions. AKI has emerged as a major public health concern with high human and financial costs. It has recently been demonstrated that patients surviving an AKI episode show increased all-cause mortality, chronic kidney disease (CKD), ESRD, cardiovascular events, and reduced quality of life. Although it is important to acknowledge that, after an AKI episode, the risk of dying by far exceeds the risk of developing incident or progressive CKD and/or entering a maintenance renal replacement therapy (RRT) program, currently only a minority of patients are referred for renal follow-up, even after AKI-requiring RRT...
November 2, 2017: Nephron
https://www.readbyqxmd.com/read/29131005/a-review-of-anesthetic-effects-on-renal-function-potential-organ-protection
#4
Negar Motayagheni, Sheshanna Phan, Crystal Eshraghi, Ala Nozari, Anthony Atala
BACKGROUND: Renal protection is a critical concept for anesthesiologists, nephrologists, and urologists, since anesthesia and renal function are highly interconnected and can potentially interfere with one another. Therefore, a comprehensive understanding of anesthetic drugs and their effects on renal function remains fundamental to the success of renal surgeries, especially transplant procedures. Some experimental studies have shown that some anesthetics provide protection against renal ischemia/reperfusion (IR) injury, but there is limited clinical evidence...
November 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29118018/th17-cells-contribute-to-pulmonary-fibrosis-and-inflammation-during-chronic-kidney-disease-progression-following-acute-ischemia
#5
Purvi Mehrotra, Jason A Collett, Susan J Gunst, David P Basile
Acute kidney injury (AKI) is associated with high mortality rates and predisposes development of chronic kidney disease (CKD). Distant organ damage, particularly in the lung, may contribute to mortality in AKI patients. Animal models of AKI demonstrate an increase in pulmonary infiltration of lymphocytes and reveal an acute compromise of lung function, but the chronic effects of AKI on pulmonary inflammation are unknown. We hypothesized that in response to renal I/R, there is a persistent systemic increase in Th17 cells with potential effects on pulmonary structure and function...
November 8, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29106395/nadph-oxidase-4-promotes-cisplatin-induced-acute-kidney-injury-via-ros-mediated-programmed-cell-death-and-inflammation
#6
Xiao-Ming Meng, Gui-Ling Ren, Li Gao, Qin Yang, Hai-Di Li, Wei-Feng Wu, Cheng Huang, Lei Zhang, Xiong-Wen Lv, Jun Li
The goal of this study was to elucidate the functional role of Nox4 during acute kidney injury (AKI). NADPH oxidases are a major source of reactive oxygen species (ROS) in the kidney in normal and pathological conditions. Among NADPH oxidase isoforms, NADPH oxidase4 (Nox4) is highly expressed in the kidney and has an important role in kidney diseases, such as diabetic nephropathy and renal carcinoma. We previously found that Nox4 expression significantly increased in the toxic AKI model. However, its functional role and mechanism of action in AKI are still unknown...
November 6, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29094471/antifibrillatory-effects-of-renal-denervation-on-ventricular-fibrillation-in-a-canine-model-of-pacing-induced-heart-failure
#7
Qingzhi Luo, Qi Jin, Ning Zhang, Shangwei Huang, Yanxin Han, Changjian Lin, Tianyou Ling, Kang Chen, Wenqi Pan, Liqun Wu
This study investigated the effects of renal denervation (RDN) on vulnerability to ventricular fibrillation (VF) and ventricular electrical properties in a canine model of pacing-induced heart failure (HF). Eighteen beagles were divided into the following three groups: control (n = 6), HF (n = 6) and HF+RDN (n = 6). HF was induced by rapid right ventricular pacing. RDN was performed simultaneously with the pacemaker implantation in the HF+RDN group. A 64-unipolar basket catheter was used to perform global endocardial mapping of the left ventricle...
November 2, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/29092961/maternal-olmesartan-exposure-causing-neonatal-failure
#8
Antonio Pérez-Iranzo, Ana Nos Ferreres, Aranzazu Jarque Bou
Although angiotensin II receptor blockers (ARBs) are contraindicated during pregnancy, new cases are currently being reported.A 32-week preterm neonate was admitted after C-section due to maternal oligohydramnios. He presented with Potter phenotype, pulmonary hypoplasia with pneumothorax, systemic hypotension and anuria. He required chest drain insertion and continuous positive airway pressure (CPAP), volume expansion plus inotropic support with persistent renal failure. Mother confirmed olmesartan intake during entire pregnancy...
November 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29071848/-study-of-jinye-baidu-granule-in-treatment-of-wind-warmth-lung-heat-disease-heat-in-lung-wei-pattern-%C3%AF-a-randomized-double-blind-parallel-controlled-trial
#9
Jun-Jie Jiang, Yan-Ming Xie, Yong-Yan Wang, Yuan Li, Yi-Li Zhang, Shuai-Ling Sun, Shuo Wang, Yong Zhu, Wen-Sheng Qi, Xun Chen, Qin Chen
A randomized, double-blind, active parallel controlled trial will be conducted to include patients with acute upper respiratory infection and wind-warmth lung heat disease (heat in lung-wei pattern). Patients with serious bacterial infection (white blood cell count>1.2×1010, neutrophil>80%) will be excluded.so as to further identify Jinye Baidu Granule indications of Wind-warmth lung heat disease (heat in lung-wei pattern).According to the subjects of symptoms of fever and sore throats,Patients will be divided into three blocks: fever, swelling and sore throat, combined fever and swelling and sore throat...
April 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29068997/atypical-hemolytic-uremic-syndrome-induced-by-cblc-subtype-of-methylmalonic-academia-a-case-report-and-literature-review
#10
REVIEW
Minguang Chen, Jieqiu Zhuang, JianHuan Yang, Dexuan Wang, Qing Yang
RATIONALE: Methylmalonic acidemia (MMA) is a common organic acidemia, mainly due to methylmalonyl-CoA mutase (MCM) or its coenzyme cobalamin (VitB12) metabolic disorders. Cobalamin C (CblC) type is the most frequent inborn error of cobalamin metabolism; it can develop symptoms in childhood and often combine multisystem damage, which leads to methylmalonic acid, propionic acid, methyl citrate, and other metabolites abnormal accumulation, causing nerve, liver, kidney, bone marrow, and other organ damage...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29066363/long-term-renal-functional-recovery-following-radical-nephrectomy-for-kidney-cancer-results-from-a-multi-center-confirmatory-study
#11
Emily C Zabor, Helena Furberg, Byron Lee, Steven Campbell, Brian R Lane, R Houston Thompson, Elvis Caraballo Antonio, Sabrina L Noyes, Harras Zaid, Edgar A Jaimes, Paul Russo
PURPOSE: To confirm the findings from a previous single-institution study of 572 patients from Memorial Sloan Kettering Cancer Center, in which we found that a significant proportion (49%) of patients recovered to their preoperative estimated glomerular filtration rate (eGFR) within 2 years following radical nephrectomy for renal cell carcinoma. MATERIALS AND METHODS: A multi-center retrospective study was conducted among 1928 patients using data contributed by three independent centers...
October 21, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29065351/end-organ-recovery-post-ventricular-assist-device-can-prognosticate-survival
#12
Joseph Philip, Dalia Lopez-Colon, Ravi S Samraj, Giri Kaliki, Maria V Irwin, Biagio A Pietra, Frederick J Fricker, Mark S Bleiweis
BACKGROUND: This study examines our institutional ventricular assist devices (VADs) experience over two decades to understand trends towards predictors of mortality. METHODS: Retrospective study of patients aged 0-21years supported with a VAD from January 1996 to May 2015. Patient data was examined pre and post-VAD implant among survivors and non-survivors. RESULTS: Thirty-six patients identified (8 supported by Thoratec® VAD and 28 supported by EXCOR Berlin Heart®)...
October 16, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29062446/the-effect-of-zero-ischaemia-laparoscopic-minimally-invasive-partial-nephrectomy-using-the-modified-sequential-preplaced-suture-renorrhaphy-technique-on-long-term-renal-functions
#13
Mehmet Giray Sönmez, Cengiz Kara
INTRODUCTION: Laparoscopic minimally invasive partial nephrectomy (MIPN) is the preferred technique in renal surgery, especially T1 phase kidney tumours, and it is recommended for the protection of renal functions in methods that do not involve ischaemia. AIM: To evaluate long-term renal functions of zero-ischaemia laparoscopic MIPN patients who underwent a modified sequential preplaced suture renorrhaphy technique. MATERIAL AND METHODS: In a total of 17 renal units in 16 patients with kidney tumours that were determined incidentally and did not cause any complaints, the masses were extracted via laparoscopic partial nephrectomy (LPN) using the modified sequential preplaced suture renorrhaphy technique...
September 2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/29057921/the-recovery-status-from-delayed-graft-function-can-predict-long-term-outcome-after-deceased-donor-kidney-transplantation
#14
Juhan Lee, Seung Hwan Song, Jee Youn Lee, Deok Gie Kim, Jae Geun Lee, Beom Seok Kim, Myoung Soo Kim, Kyu Ha Huh
The effect of delayed graft function (DGF) recovery on long-term graft outcome is unclear. The aim of this study was to examine the association of DGF recovery status with long-term outcome. We analyzed 385 recipients who underwent single kidney transplantation from brain-dead donors between 2004 and 2015. Patients were grouped according to renal function at 1 month post-transplantation: control (without DGF); recovered DGF (glomerular filtration rate [GFR] ≥ 30 mL/min/1.73 m(2)); and incompletely recovered DGF group (GFR < 30 mL/min/1...
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29057766/clinical-results-adverse-events-and-change-in-end-organ-function-in-elderly-patients-with-heartmateii-left-ventricular-assist-device%C3%A3-japanese-multicenter-study
#15
Daisuke Yoshioka, Koichi Toda, Minoru Ono, Takeshi Nakatani, Akira Shiose, Yoshiro Matsui, Kenji Yamazaki, Yoshikatsu Saiki, Akihiko Usui, Hiroshi Niinami, Goro Matsumiya, Hirokuni Arai, Yoshiki Sawa
BACKGROUND: Advanced age has an adverse impact on clinical results in left ventricular assist device (LVAD) patients. We compared the clinical results of patients aged >60 years with younger patients using a national Japanese database.Methods and Results:Between April 2013 and December 2016, 300 patients underwent HeartMateII implantation. Of these, 37 patients were ≥60 years at LVAD implantation, and the clinical results of these patients were compared with the other younger 263 patients...
October 21, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29054156/potential-of-transcatheter-aortic-valve-replacement-to-improve-post-procedure-renal-function
#16
Bruno L R Faillace, Henrique B Ribeiro, Carlos M Campos, Adriano A M Truffa, Fernando L Bernardi, Marcos D P Oliveira, José Mariani, Julio F Marchini, Flavio Tarasoutchi, Pedro A Lemos
BACKGROUND: Baseline comorbidities including renal dysfunction are frequently found in patients treated with transcatheter aortic valve replacement (TAVR) and may increase the risks of acute kidney injury (AKI), although some of them may actually improve renal function. We aimed to evaluate the potential of TAVR to acutely improve post-procedure renal function. METHODS: This is a prospective single-center registry of consecutive patients with severe symptomatic aortic stenosis treated by transfemoral TAVR...
October 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29051004/assessing-time-of-full-renal-recovery-following-minimally-invasive-partial-nephrectomy
#17
Mark T Dawidek, Ernest Chan, Shawna L Boyle, Alp Sener, Patrick P Luke
OBJECTIVE: To assess renal function in the operated kidney at different time points post partial nephrectomy (PN) and establish the time in which optimal recovery occurs. Recovery of renal function post-PN has received significant attention. However, the optimal time to determine full recovery has not been clearly established. METHODS: Renal function following minimally invasive (laparoscopic and robotic) PNs performed between 2002 and 2015 was reviewed. Patients included in this study had renal function assessed pre-operatively as well as 3 days, 6-12 weeks, and 1 year post-PN, using a combination of estimated glomerular filtration rate (eGFR) from serum creatinine and relative renal uptake (RRU) from Tc99m-MAG3 renal scintigraphy...
October 16, 2017: Urology
https://www.readbyqxmd.com/read/29044336/the-impact-of-body-mass-index-bmi-variation-on-mortality-of-incident-elderly-patients-on-peritoneal-dialysis-a-joint-model-analysis
#18
Marcia Regina Gianotti Franco, Fernando Antonio Basile Colugnati, Abdul Rashid Qureshi, José Carolino Divino-Filho, Natália Maria Da Silva Fernandes
INTRODUCTION: Data on impact of high body mass index (BMI) on mortality of patients on peritoneal dialysis (PD), especially among elderly, are inconsistent. Objective: To evaluate impact of BMI on cohort of incident elderly PD patients over time. METHODS: Prospective multicenter cohort study (December / 2004-October/2007) with 674 patients. Socio-demographic and clinical data evaluated with patients followed until death, transfer to hemodialysis (HD), recovery of renal function, loss of follow-up or transplant...
July 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29042548/human-mesenchymal-stromal-cells-transplanted-into-mice-stimulate-renal-tubular-cells-and-enhance-mitochondrial-function
#19
Luca Perico, Marina Morigi, Cinzia Rota, Matteo Breno, Caterina Mele, Marina Noris, Martino Introna, Chiara Capelli, Lorena Longaretti, Daniela Rottoli, Sara Conti, Daniela Corna, Giuseppe Remuzzi, Ariela Benigni
Mesenchymal stromal cells (MSCs) are renoprotective and drive regeneration following injury, although cellular targets of such an effect are still ill-defined. Here, we show that human umbilical cord (UC)-MSCs transplanted into mice stimulate tubular cells to regain mitochondrial mass and function, associated with enhanced microtubule-rich projections that appear to mediate mitochondrial trafficking to create a reparative dialogue among adjacent tubular cells. Treatment with UC-MSCs in mice with cisplatin-induced acute kidney injury (AKI) regulates mitochondrial biogenesis in proximal tubuli by enhancing PGC1α expression, NAD(+) biosynthesis and Sirtuin 3 (SIRT3) activity, thus fostering antioxidant defenses and ATP production...
October 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29039628/early-versus-late-initiation-of-renal-replacement-therapy-in-patients-with-acute-kidney-injury-a-meta-analysis-of-randomised-clinical-trials
#20
Thomas A Mavrakanas, D Ezra Aurian-Blajeni, David M Charytan
AIMS OF THE STUDY: The optimal timing of renal replacement therapy (RRT) initiation in acute kidney injury (AKI) remains a matter of debate. A systematic review and meta-analysis of randomised controlled trials (RCTs) was conducted to better estimate the effects of early initiation of RRT compared with late initiation of RRT among patients with AKI and in patients at risk for AKI. METHODS: A Medline literature research was conducted in PubMed for RCTs in adult patients with AKI that compared different RRT initiation strategies (early vs late)...
October 17, 2017: Swiss Medical Weekly
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