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https://www.readbyqxmd.com/read/28528465/contrast-induced-nephropathy-cin-of-patients-with-renal-dysfunction-in-ct-examination
#1
Yasuhiro Fukushima, Hitomi Miyazawa, Junpei Nakamura, Ayako Taketomi-Takahashi, Takayuki Suto, Yoshito Tsushima
PURPOSE: To investigate the incidence and risk factors of contrast induced nephropathy (CIN) after contrast enhanced (CE) computed tomography (CT) in patients with renal dysfunction. MATERIALS AND METHODS: Two hundred sixteen inpatients with estimated glomerular filtration rates (eGFR) <60 ml/min/1.73 m(2) underwent CE CT using iodine doses of 420 or 480 mg I/kg. Data of all enrolled patients was collected for baseline serum creatinine level (SCr), post-CE CT SCr within 3 days after CE CT, and conditions considered risk factors for CIN [renal dysfunction, contrast media dose, advanced age, diabetes mellitus, no intravenous hydration, cardiac dysfunction (left ventricular ejection fraction <60%) and intensive-care unit (ICU) admission]...
May 20, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28525419/safe-hydration-volume-to-prevent-contrast-induced-acute-kidney-injury-and-worsening-heart-failure-in-patients-with-heart-failure-and-preserved-ejection-fraction-following-cardiac-catheterization
#2
Wei-Jie Bei, Kun Wang, Hua-Long Li, Kai-Yang Lin, Xiao-Sheng Guo, Shi-Qun Chen, Yong Liu, Shi-Xin Yi, De-Mou Luo, Ji-Yan Chen, Fesc, Ning Tan
Few studies have investigated the efficacy and safety of hydration to prevent contrast-induced acute kidney injury (CI-AKI) and worsening heart failure (WHF) following cardiac catheterization in heart failure and preserved ejection fraction (HFpEF; HF and EF ≥50%) patients. We recruited 1206 patients with HFpEF undergoing cardiac catheterization with peri-procedural hydration volume/weight ratios (HV/W) data and investigated the relationship between hydration volumes and risk of CI-AKI and WHF. Incidence of CI-AKI was not significantly reduced in individuals with higher HV/W (quartile [Q] 1, Q2, Q3, and Q4: 9...
April 27, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28515693/rolipram-improves-outcome-in-a-rat-model-of-infant-sepsis-induced-cardiorenal-syndrome
#3
Clark R Sims, Sharda P Singh, Shengyu Mu, Neriman Gokden, Dala Zakaria, Trung C Nguyen, Philip R Mayeux
While the mortality rate associated with sepsis in children has fallen over the years, it still remains unacceptably high. The development of both acute cardiac dysfunction and acute kidney injury during severe sepsis is categorized as type 5 cardiorenal syndrome (CRS) and is poorly understood in infants. To address this lack of understanding and the need for an appropriate animal model in which to conduct relevant preclinical studies, we developed a model of infant sepsis-induced CRS in rat pups then evaluated the therapeutic potential of the phosphodiesterase (PDE) 4 inhibitor, rolipram...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28508967/a-case-of-xanthinuria-type-i-with-a-novel-mutation-in-xanthine-dehydrogenase
#4
Akira Iguchi, Takaaki Sato, Mihoko Yamazaki, Kazuyuki Tasaki, Yasushi Suzuki, Noriaki Iino, Hiroshi Hasegawa, Kimiyoshi Ichida, Ichiei Narita
Hereditary hypouricemia is generally caused by renal hypouricemia, an autosomal recessive disorder that is characterized by impaired renal tubular uric acid transport, or by xanthinuria, a rare autosomal recessive disorder caused by a deficiency of xanthine dehydrogenase (XDH; xanthinuria type I) or by a deficiency of both XDH and aldehyde oxidase (xanthinuria type II). In contrast to renal hypouricemia, which sometimes leads to exercise-induced acute kidney injury (EIAKI), xanthinuria has not been associated with this disorder...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28505627/endothelial-damage-signals-refractory-acute-kidney-injury-in-critically-ill-patients
#5
Theis S Itenov, Jens-Ulrik Jensen, Sisse R Ostrowski, Pär I Johansson, Katrin M Thormar, Jens D Lundgren, Morten H Bestle
Critically ill patients with acute kidney injury (AKI) are heterogeneous on pathophysiology and prognosis. The role of endothelial damage in the pathogenesis of refractory AKI has not been clarified. The aim was to determine if biomarkers of endothelial damage, independently of the inflammatory insult on the kidney, can predict recovery of acute kidney injury. METHODS: From the "Procalcitonin And Survival Study" multicenter intensive care unit cohort, followed for 28 days after admission, we included patients without chronic kidney disease, who survived >24 h after admission and with plasma samples at admission available for biomarker analysis...
June 2017: Shock
https://www.readbyqxmd.com/read/28502324/favorable-long-term-outcomes-of-isolated-liver%C3%A2-transplantation-in-a-child-with-atypical-hemolytic-uremic-syndrome-caused-by-a%C3%A2-novel%C3%A2-complement-factor-h-mutation%C3%A2
#6
Heeyeon Cho, Yeonhee Lee
Atypical hemolytic uremic syndrome (aHUS) is a rare syndrome characterized by microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury that is usually caused by complement dysregulation. Complement factor H (CFH) is a regulator of the complement system produced in the liver, and CFH gene mutations are the most frequent causes of aHUS. To date, the therapeutic options for aHUS with CFH mutations have consisted of plasma infusions, plasma exchange, kidney transplantation, isolated liver transplantation, or combined liver and kidney transplantation...
May 15, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28501076/intravenous-contrast-friend-or-foe-a-review-on-contrast-induced-nephropathy
#7
REVIEW
Catherine Do
Intravenous iodinated contrast is used in many contrasted imaging studies ranging from computed tomography to angiography. The risks of contrast-induced nephropathy (CIN) and its incidence have not been clearly defined. Most iodinated contrast media used today are hypertonic compared with serum osmolality and pose biological risks. However, the risk of CIN in the general population may be overestimated. Confounding risk factors may contribute to acute kidney injury other than attributable risk of contrast exposure...
May 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28495210/3-tesla-23-na-magnetic-resonance-imaging-during-acute-kidney-injury
#8
Matthias Hammon, Susan Grossmann, Peter Linz, Hannes Seuss, Rebecca Hammon, Daniela Rosenhauer, Rolf Janka, Alexander Cavallaro, Friedrich C Luft, Jens Titze, Michael Uder, Anke Dahlmann
RATIONALE AND OBJECTIVES: Sodium and proton magnetic resonance imaging ((23)Na/(1)H-MRI) have shown that muscle and skin can store Na(+) without water. In chronic renal failure and in heart failure, Na(+) mobilization occurs, but is variable depending on age, dialysis vintage, and other features. Na(+) storage depots have not been studied in patients with acute kidney injury (AKI). MATERIALS AND METHODS: We studied 7 patients with AKI (mean age: 51.7 years; range: 25-84) and 14 age-matched and gender-matched healthy controls...
May 8, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28491318/recovery-of-methotrexate-induced-anuric-acute-kidney-injury-after-glucarpidase-therapy
#9
James Harms, Ayaz Khawaja, Maria Taylor, Xiaosi Han, Michal Mrug
OBJECTIVES: This case report describes two cases of high-dose methotrexate-induced nephrotoxicity: death in the case of conventional supportive care and successful renal function recovery in a patient treated with glucarpidase and continuous dialysis. METHODS: High dose methotrexate is widely used for management of adult and pediatric malignancies. However, high-dose methotrexate-induced renal nephrotoxicity may cause severe, even lethal complications. Here we present examples of such outcomes...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28487357/preventive-strategies-for-contrast-induced-acute-kidney-injury-and-the-winner-is%C3%A2
#10
EDITORIAL
Sripal Bangalore, Carlo Briguori
No abstract text is available yet for this article.
May 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28487354/preventive-strategies-for-contrast-induced-acute-kidney-injury-in-patients-undergoing-percutaneous-coronary-procedures-evidence-from-a-hierarchical-bayesian-network-meta-analysis-of-124-trials-and-28%C3%A2-240-patients
#11
Daniele Giacoppo, Giuseppe Gargiulo, Sergio Buccheri, Patrizia Aruta, Robert A Byrne, Salvatore Cassese, George Dangas, Adnan Kastrati, Roxana Mehran, Corrado Tamburino, Davide Capodanno
BACKGROUND: The effectiveness of currently available effective preventive strategies for contrast-induced acute kidney injury (CIAKI) is a matter of debate. METHODS AND RESULTS: We performed a Bayesian random-effects network meta-analysis of 124 trials (28 240 patients) comparing a total of 10 strategies: saline, statin, N-acetylcysteine (NAC), sodium bicarbonate (NaHCO3), NAC+NaHCO3, ascorbic acid, xanthine, dopaminergic agent, peripheral ischemic preconditioning, and natriuretic peptide...
May 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28481398/evolutionary-trade-offs-in-kidney-injury-and-repair
#12
REVIEW
Yutian Lei, Hans-Joachim Anders
Evolutionary medicine has proven helpful to understand the origin of human disease, e.g. in identifying causal roles of recent environmental changes impacting on human physiology (environment-phenotype mismatch). In contrast, diseases affecting only a limited number of members of a species often originate from evolutionary trade-offs for usually physiologic adaptations assuring reproductive success in the context of extrinsic threats. For example, the G1 and G2 variants of the APOL1 gene supporting control of Trypanosoma infection come with the trade-off that they promote the progression of kidney disease...
May 8, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28471046/a-first-in-human-evaluation-of-a-novel-contrast-media-saving-device
#13
James Sapontis, Garry Barron, Sujith Seneviratne, Georg Fuernau, Ingo Eitel, Jakob Ledwoch, Holger Thiele, Mohammed Saad, Suzanne de Waha, Janine Poess, Steffen Desch
OBJECTIVES: This study evaluated the usability and contrast volume savings of the novel DyeVert™ System. BACKGROUND: During coronary diagnostic and interventional procedures, a substantial portion of injected contrast does not contribute to vessel imaging due to reflux into the ascending aorta. Contrast volume is the primary physician modifiable risk factor for prevention of contrast-induced acute kidney injury CI-AKI which is a frequent complication in patients undergoing coronary angiographic procedures and is related to increases in morbidity, mortality, and healthcare costs...
May 4, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28463460/contrast-induced-acute-kidney-injury-following-peripheral-angiography-with-carbon-dioxide-versus-iodinated-contrast-media-a-meta-analysis-and-systematic-review-of-current-literature
#14
Saad S Ghumman, Jonathan Weinerman, Aazib Khan, Mubeen S Cheema, Marlene Garcia, Daniel Levin, Rajeev Suri, Anand Prasad
OBJECTIVE: We conducted a meta-analysis to compare the incidence of acute kidney injury (AKI) with carbon dioxide (CO2 ) versus iodinated contrast media (ICM). BACKGROUND: Contrast induced-acute kidney injury (CI-AKI) is a known complication following endovascular procedures with ICM. CO2 has been employed as an alternative imaging medium as it is nontoxic to the kidneys. METHODS: Search of indexed databases was performed and 1,732 references were retrieved...
May 2, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28448545/vitamin-d3-induced-hypercalcemia-increases-carbon-tetrachloride-induced-hepatotoxicity-through-elevated-oxidative-stress-in-mice
#15
Hiroki Yoshioka, Haruki Usuda, Nobuhiko Miura, Nobuyuki Fukuishi, Tsunemasa Nonogaki, Satomi Onosaka
The aim of this study was to determine whether calcium potentiates acute carbon tetrachloride (CCl4) -induced toxicity. Elevated calcium levels were induced in mice by pre-treatment with cholecalciferol (vitamin D3; V.D3), a compound that has previously been shown to induce hypercalcemia in human and animal models. As seen previously, mice injected with CCl4 exhibited increased plasma levels of alanine aminotransferase, aspartate aminotransferase, and creatinine; transient body weight loss; and increased lipid peroxidation along with decreased total antioxidant power, glutathione, ATP, and NADPH...
2017: PloS One
https://www.readbyqxmd.com/read/28443376/remote-ischemic-conditioning-and-renal-protection
#16
Georgios Giannopoulos, Dimitrios A Vrachatis, Vasiliki Panagopoulou, Manolis Vavuranakis, Michael W Cleman, Spyridon Deftereos
Over the course of the last 2 decades, the concept of remote ischemic conditioning (RIC) has attracted considerable research interest, because RIC, in most of its embodiments offers an inexpensive way of protecting tissues against ischemic damage inflicted by a number of medical conditions or procedures. Acute kidney injury (AKI) is a common side effect in the context of various medical procedures, and RIC has been suggested as a means of reducing its incidence. Outcomes regarding kidney function have been reported in numerous studies that evaluated the effects of RIC in a variety of settings (eg, cardiac surgery, interventions requiring intravenous administration of contrast media)...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28430830/assessment-of-global-kidney-health-care-status
#17
Aminu K Bello, Adeera Levin, Marcello Tonelli, Ikechi G Okpechi, John Feehally, David Harris, Kailash Jindal, Babatunde L Salako, Ahmed Rateb, Mohamed A Osman, Bilal Qarni, Syed Saad, Meaghan Lunney, Natasha Wiebe, Feng Ye, David W Johnson
Importance: Kidney disease is a substantial worldwide clinical and public health problem, but information about available care is limited. Objective: To collect information on the current state of readiness, capacity, and competence for the delivery of kidney care across countries and regions of the world. Design, Setting, and Participants: Questionnaire survey administered from May to September 2016 by the International Society of Nephrology (ISN) to 130 ISN-affiliated countries with sampling of key stakeholders (national nephrology society leadership, policy makers, and patient organization representatives) identified by the country and regional nephrology leadership through the ISN...
May 9, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28426688/vancomycin-associated-acute-kidney-injury-a-cross-sectional-study-from-a-single-center-in-china
#18
Kunming Pan, Lingyun Ma, Qian Xiang, Xueying Li, Haixia Li, Ying Zhou, Li Yang, Yimin Cui
OBJECTIVE: The objective of this study was to investigate the current situation of vancomycin (VAN)-associated acute kidney injury (VA-AKI) in China and identify the risk factors for VA-AKI, as well as to comprehensively examine the risk related to concurrent drug use. Further, we assessed the outcomes of patients who developed VA-AKI and the risk factors for these outcomes. Finally, we aimed to provide suggestions for improving the prevention and treatment of VA-AKI in China. METHODS: We conducted a retrospective observational study of inpatients who had been treated with VAN between January 2013 and December 2013 at Peking University First Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28424213/magnesium-improves-cisplatin-mediated-tumor-killing-while-protecting-against-cisplatin-induced-nephrotoxicity
#19
Gopal Kumar, Malvika H Solanki, Xiangying Xue, Rachel Mintz, Swati Madankumar, Proydot K Chatterjee, Christine N Metz
Approximately 30% of all cancer patients treated with cisplatin, a widely used, broad-spectrum chemotherapeutic agent, experience acute kidney injury (AKI). Almost all patients receiving cisplatin have magnesium (Mg) losses, which are proposed to aggravate AKI. Currently, there are no methods to successfully treat or prevent cisplatin-AKI. While Mg supplementation has been shown to reduce AKI in experimental models and several small clinical trials, the effects of Mg status on tumor outcomes in immunocompetent tumor-bearing mice and humans have not been investigated...
April 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28423497/drp1-dependent-mitophagy-protects-against-cisplatin-induced-apoptosis-of-renal-tubular-epithelial-cells-by-improving-mitochondrial-function
#20
Chuanyan Zhao, Zhuyun Chen, Jia Qi, Suyan Duan, Zhimin Huang, Chengning Zhang, Lin Wu, Ming Zeng, Bo Zhang, Ningning Wang, Huijuan Mao, Aihua Zhang, Changying Xing, Yanggang Yuan
Cisplatin chemotherapy often causes acute kidney injury (AKI) in cancer patients. There is increasing evidence that mitochondrial dysfunction plays an important role in cisplatin-induced nephrotoxicity. Degradation of damaged mitochondria is carried out by mitophagy. Although mitophagy is considered of particular importance in protecting against AKI, little is known of the precise role of mitophagy and its molecular mechanisms during cisplatin-induced nephrotoxicity. Also, evidence that activation of mitophagy improved mitochondrial function is lacking...
March 28, 2017: Oncotarget
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