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AKI renal

Naif O Al-Harbi, Ahmed Nadeem, Sheikh F Ahmad, Moureq R Alotaibi, Abdullah F AlAsmari, Wael A Alanazi, Mohammad M Al-Harbi, Ahmad M El-Sherbeeny, Khalid E Ibrahim
Sepsis affects millions of people worldwide and is associated with acute kidney injury (AKI). Innate and adaptive immune cells have been shown to play an important role in AKI through release of various inflammatory mediators which include reactive oxidant species (ROS). Acetate, a short chain fatty acid produced by gut bacteria has anti-inflammatory properties and has also been shown to modulate oxidative stress in different immune cells. Effects of acetate have been shown to be both GPR43 dependent and independent in different cells/tissues...
March 12, 2018: International Immunopharmacology
Sebastian J Klein, Anna K Brandtner, Georg F Lehner, Hanno Ulmer, Sean M Bagshaw, Christian J Wiedermann, Michael Joannidis
PURPOSE: Acute kidney injury (AKI) frequently occurs in critically ill patients and often precipitates use of renal replacement therapy (RRT). However, the ideal circumstances for whether and when to start RRT remain unclear. We performed evidence synthesis of the available literature to evaluate the value of biomarkers to predict receipt of RRT for AKI. METHODS: We conducted a PRISMA-guided systematic review and meta-analysis including all trials evaluating biomarker performance for prediction of RRT in AKI...
March 14, 2018: Intensive Care Medicine
Gülsüm Özkan, Gaye Kübra Emeksiz, Reşit Volkan Atar, Samet Sedef, Pınar Sonat Kara, Meltem Öznur, Burhan Turgut
Purpura fulminans associated with antithrombin 3 (AT 3) deficiency is very rare in adults and neonates. It can be categorized into three principal forms - neonatal, idiopathic and acute infectious. Purpura fulminans has been reported to cause cardiac, pulmonary and renal damage in rare cases. We describe an adult case of purpura fulminans developing in association with AT 3 deficiency without infection following a surgical procedure, and acute kidney injury (AKI) developing secondary to rhabdomyolysis and disseminated intravascular coagulation (DIC)...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Satoru Kudose, Masato Hoshi, Sanjay Jain, Joseph P Gaut
Acute kidney injury (AKI) is a significant cause of morbidity and mortality. Acute tubular injury is considered to be the early pathologic manifestation of AKI, however, the underlying pathology is complex, lacks standards for interpretation, and its relationship with AKI often is unclear or inconsistent. To clarify clinicopathologic correlations in AKI, we evaluated 32 histologic findings in 100 kidney biopsies from patients with AKI as a training set to correlate pathologic findings with clinical AKI grades...
March 13, 2018: American Journal of Surgical Pathology
Xiaoyan Wen, Liyan Cui, Seth Morrisroe, Donald Maberry, David R Emlet, Simon C Watkins, Neil A Hukriede, John A Kellum
Sepsis-associated acute kidney injury (S-AKI) independently predicts mortality among critically ill patients. The role of innate immunity in this process is unclear, and there is an unmet need for S-AKI models to delineate the pathophysiological response. Mammals and zebrafish (Danio rerio) share a conserved nephron structure and homologous innate immune systems, making the latter suitable for sepsis-associated AKI research. We introduced Edwardsiella tarda (E.tarda) to the zebrafish. Systemic E. tarda bacteremia resulted in sustained bacterial infection and dose-dependent mortality...
March 14, 2018: American Journal of Physiology. Renal Physiology
Simin Dashti-Khavidaki, Hossein Khalili, Mohsen Nasiri-Toosi
There was no report of nephrotoxicity during clinical trials assessed sofosbuvir for treatment of hepatitis C (HCV) infection. This may be due to excluding patients with severe kidney dysfunction, as a main population at risk for drug-induced nephrotoxicity from these studies. There are some reports of acute kidney injury (AKI) possibly related to sofosbuvir-containing treatments from real-life experiences. Areas covered: Available data on epidemiology, type, and possible risk factors for nephrotoxicity of sofosbuvir-containing treatment are reviewed...
March 14, 2018: Expert Review of Clinical Pharmacology
Florence Wong, Peter Jepsen, Hugh Watson, Hendrik Vilstrup
BACKGROUND & AIMS: Acute episodes of renal dysfunction or acute kidney injury (AKI) in cirrhotic patients with ascites are mostly precipitated by an acute event. The prevalence of un-precipitated AKI in stable ascitic cirrhotic patients is unknown. The aims of this study were to determine i) the prevalence of un-precipitated AKI in stable cirrhotics with ascites, and ii) any predictive factors for its development. METHODS: 1115 stable cirrhotic patients with mild liver and renal dysfunction but varying degrees of ascites severity from 3 previous satavaptan versus placebo randomized controlled trials (group A: ascites requiring diuretics but not paracentesis; Group B: ascites requiring frequent paracentesis; Group C: refractory ascites) were included...
March 13, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
Wei Fang, Ziying Wang, Quanxin Li, Xiaojie Wang, Yan Zhang, Yu Sun, Wei Tang, Chunhong Ma, Jinpeng Sun, Ningjun Li, Fan Yi
Background G protein-coupled receptors (GPCRs) participate in a variety of physiologic functions, and several GPCRs have critical physiologic and pathophysiologic roles in the regulation of renal function. We investigated the role of Gpr97, a newly identified member of the adhesion GPCR family, in AKI. Methods AKI was induced by ischemia-reperfusion or cisplatin treatment in Gpr97-deficient mice. We assessed renal injury in these models and in patients with acute tubular necrosis by histologic examination, and we conducted microarray analysis and in vitro assays to determine the molecular mechanisms of Gpr97 function...
March 12, 2018: Journal of the American Society of Nephrology: JASN
Delphine Barnoud, Claire Pinçon, Bénédicte Bruno, Johana Béné, Sophie Gautier, Annie Lahoche, Nadine Petitpain, Michèle Vasseur, Christine Barthélémy, Bertrand Décaudin, Nicolas Simon, Pascal Odou
BACKGROUND: Etoposide phosphate (EP; single injection, 60 mg/kg) followed by total body irradiation (TBI) at 12 Gy has been used as an allogeneic stem cell transplantation (allo-SCT) conditioning regimen for children since 2010. In our institution, EP has been suspected of leading to acute nephrotoxicity. The aim of this study was to assess the potential renal toxicity of EP in this context. MATERIALS AND METHODS: A retrospective study was carried out on children hospitalized between 2007 and 2015 for allo-SCT with TBI-based myeloablative conditioning associated with cyclophosphamide (CY, 60 mg/kg/day × 2 days) or EP...
March 12, 2018: Pediatric Blood & Cancer
Machiko Kusuda, Shun-Ichi Kimura, Yukiko Misaki, Kazuki Yoshimura, Ayumi Gomyo, Jin Hayakawa, Masaharu Tamaki, Yu Akahoshi, Tomotaka Ugai, Kazuaki Kameda, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako-Saito, Misato Kikuchi, Hideki Nakasone, Shinichi Kako, Aki Tanihara, Yoshinobu Kanda
The actual heparin concentration of harvested allogeneic bone marrow varies among harvest centers. We monitor the activated partial thromboplastin time (APTT) of the patient during bone marrow infusion and administer prophylactic protamine according to the APTT. We retrospectively reviewed the charts of consecutive patients who underwent bone marrow transplantation without bone marrow processing at our center between April 2007 and March 2016 (n=94). APTT was monitored during marrow transfusion in 52 patients...
March 5, 2018: Biology of Blood and Marrow Transplantation
Alexandra Kovalčíková, Marianna Gyurászová, Diana Vavrincová-Yaghi, Peter Vavrinec, Ľubomíra Tóthová, Peter Boor, Katarína Šebeková, Peter Celec
Uremic encephalopathy is a severe complication of renal failure. The underlying pathogenesis is unknown although several mechanisms have been suggested. Renal failure causes oxidative stress leading to cardiovascular complications. It has been suggested as the potential mediator of uremic encephalopathy as well, but it is largely unknown whether brain tissue itself undergoes oxidative damage in uremia. The aim of our experiment was to analyze oxidative stress markers in different brain regions in an animal model of acute kidney injury (AKI)...
March 7, 2018: Metabolic Brain Disease
Yin-Wu Bao, Yuan Yuan, Jiang-Hua Chen, Wei-Qiang Lin
Acute kidney injury (AKI) and chronic kidney disease (CKD) are worldwide public health problems affecting millions of people and have rapidly increased in prevalence in recent years. Due to the multiple causes of renal failure, many animal models have been developed to advance our understanding of human nephropathy. Among these experimental models, rodents have been extensively used to enable mechanistic understanding of kidney disease induction and progression, as well as to identify potential targets for therapy...
March 18, 2018: Zoological Research
Jie-Qiong Liu, Guang-Yan Cai, Shuang Liang, Wen-Ling Wang, Si-Yang Wang, Fang-Lei Zhu, Sa-Sa Nie, Zhe Feng, Xiang-Mei Chen
PURPOSE OF THE STUDY: The incidence of acute kidney injury (AKI) with a poor prognosis in the elderly has been increasing each year. This study aimed to investigate the clinical characteristics of and risk factors for death from AKI in the elderly and help improve prognosis. STUDY DESIGN: This study was a retrospective cohort study based on data from adult patients (≥18 years old) admitted to 15 hospitals in China between 1 January 2009 and 31 December 2011. The characteristics of AKI in the elderly were compared with those in younger patients...
March 7, 2018: Postgraduate Medical Journal
Jason H Greenberg, Prasad Devarajan, Heather R Thiessen-Philbrook, Catherine Krawczeski, Chirag R Parikh, Michael Zappitelli
BACKGROUND: We previously reported that children undergoing cardiac surgery are at high risk for long-term chronic kidney disease (CKD) and hypertension, although postoperative acute kidney injury (AKI) is not a risk factor for worse long-term kidney outcomes. We report here our evaluation of renal injury biomarkers 5 years after cardiac surgery to determine whether they are associated with postoperative AKI or long-term CKD and hypertension. METHODS: Children aged 1 month to 18 years old undergoing cardiopulmonary bypass were recruited to this prospective cohort study...
March 6, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Neamatollah Ataei, Sonbol Ameli, Mahmoud Yousefifard, Alireza Oraei, Fatemeh Ataei, Behnaz Bazargani, Arash Abbasi, Mostafa Hosseini
Introduction: There is a controversy regarding accuracy of neutrophil gelatinase-associated lipocalin (NGAL) and Cystatin C in early detection of acute kidney injury (AKI). The present study aimed to compare the diagnostic value of two biomarkers in this regard. Method: In the present diagnostic accuracy study, all children between the ages of 1 month to 14 years were entered. Pediatric Risk, Injury Failure, Loss, End-stage renal disease (pRIFLE) criteria was used for identification of children with AKI as the reference test...
2018: Emergency (Tehran, Iran)
Bangming Cao, Chi Zhang, Haipeng Wang, Ming Xia, Xiangjun Yang
Background: Whether upper arm remote ischemic postconditioning (RIPostC) exerts protection to kidney in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PPCI) remains unknown. Methods: Sixty-four patients with STEMI were randomized to PPCI + RIPostC (n=29) and PPCI (n=35) groups. RIPostC consisting of 4 cycles of 5 minutes occlusion/reperfusion by cuff inflation/deflation of the upper arm was started within 1 minute after the first balloon dilatation...
2018: Therapeutics and Clinical Risk Management
Hjalmar R Bouma, Hubert E Mungroop, A Fred de Geus, Daniel D Huisman, Maarten W N Nijsten, Massimo A Mariani, Thomas W L Scheeren, Johannes G M Burgerhof, Robert H Henning, Anne H Epema
BACKGROUND: Perioperative acute kidney injury (AKI) is an important predictor of long-term all-cause mortality after coronary artery bypass (CABG). However, the effect of AKI on long-term mortality after cardiac valve operations is hitherto undocumented. METHODS: Perioperative renal injury and long-term all-cause mortality after valve operations were studied in a prospective cohort of patients undergoing solitary valve operations (n=2,806) or valve operations combined with CABG (n=1,260) with up to 18 years of follow-up...
March 1, 2018: Annals of Thoracic Surgery
Eduardo C Gomes, Diego R Falci, Pedro Bergo, Alexandre P Zavascki, Maria Helena Rigatto
OBJECTIVES: To evaluate the impact of polymyxin B (PMB)- associated Acute Kidney Injury (AKI) in 1-year mortality and renal function recovery. METHODS: Patients >18 years old who survived the first 30-days after PMB therapy were followed for 1-year. The impact of AKI and Renal Failure (using RIFLE score) in 1-year mortality was analyzed, along with other confounding variables. Variables with a P value ≤0.2 were included in a forward stepwise Cox regression model...
March 1, 2018: International Journal of Antimicrobial Agents
Tao-Tao Tang, Lin-Li Lv, Ming-Ming Pan, Yi Wen, Bin Wang, Zuo-Lin Li, Min Wu, Feng-Mei Wang, Steve D Crowley, Bi-Cheng Liu
Inflammation is a major contributor to the pathogenesis of ischemic acute kidney injury (AKI), which complicates the post-operative outcomes of large numbers of hospitalized surgical patients. Hydroxychloroquine (HCQ), a well-known anti-malarial drug, is commonly used in clinical practice for its anti-inflammatory actions. However, little is known about its role in renal ischemia/reperfusion (I/R) injury. In the current study, mice were subjected to I/R injury and HCQ was administered for seven days by gavage prior to surgery...
March 2, 2018: Cell Death & Disease
Magaiver Andrade-Silva, Marcos Antônio Cenedeze, Luiz Augusto Perandini, Raphael José Ferreira Felizardo, Ingrid Mizuno Watanabe, Juan Sebastian Henao Agudelo, Ângela Castoldi, Giselle Martins Gonçalves, Clarice Silvia Taemi Origassa, Patricia Semedo, Meire Ioshie Hiyane, Orestes Foresto Neto, Denise Maria Avancini Costa Malheiros, Marlene Antonia Reis, Clarice Kazue Fujihara, Roberto Zatz, Alvaro Pacheco-Silva, Niels Olsen Saraiva Câmara, Danilo Candido de Almeida
Acute kidney injury (AKI) is considered an inflammatory disease in which Toll-like receptors (TLRs) signaling pathways play an important role. The activation of TLRs results in production of several inflammatory cytokines leading to further renal damage. In contrast, TLRs are key players on autophagy induction, which is associated with a protective function on cisplatin-induced AKI. Hence, this study aimed evaluate the specific participation of TLR2 and TLR4 molecules on development of cisplatin-induced AKI...
March 2, 2018: Clinical Science (1979-)
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