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Contrast nephropathy

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https://www.readbyqxmd.com/read/28432310/efficacy-of-alprostadil-for-preventing-of-contrast-induced-nephropathy-a-meta-analysis
#1
Jing-Zhan Zhang, Xiao-Jing Kang, Ying Gao, Ying-Ying Zheng, Ting-Ting Wu, Long Li, Fen Liu, Yi-Ning Yang, Xiao-Mei Li, Yi-Tong Ma, Xiang Xie
Contrast-induced nephropathy (CIN) has become the third-leading cause of hospital-acquired acute renal injury. Although alprostadil has been proposed as an effective preventative measure, this conclusion remains inconsistent. Thus, we performed a meta-analysis of the published studies on this topic to evaluate the preventative effect of alprostadil on CIN. Databases, including PubMed, the Web of Science, Cochrane Library, Wanfang, the China Biological Medicine Database (SinoMed) and the China National Knowledge Infrastructure (CNKI) were systematically searched...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428931/the-role-of-renal-proximal-tubule-transport-in-the-regulation-of-blood-pressure
#2
REVIEW
Shoko Horita, Motonobu Nakamura, Masashi Suzuki, Nobuhiko Satoh, Atsushi Suzuki, Yukio Homma, Masaomi Nangaku
The electrogenic sodium/bicarbonate cotransporter 1 (NBCe1) on the basolateral side of the renal proximal tubule plays a pivotal role in systemic acid-base homeostasis. Mutations in the gene encoding NBCe1 cause severe proximal renal tubular acidosis accompanied by other extrarenal symptoms. The proximal tubule reabsorbs most of the sodium filtered in the glomerulus, contributing to the regulation of plasma volume and blood pressure. NBCe1 and other sodium transporters in the proximal tubule are regulated by hormones, such as angiotensin II and insulin...
March 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28427645/ultrasound-assisted-extraction-of-achyrocline-satureioides-prevents-contrast-induced-nephropathy-in-mice
#3
Ketheley L Guss, Stefano Pavanni, Bruno Prati, Lucas Dazzi, Jairo P de Oliveira, Breno V Nogueira, Thiago M C Pereira, Marcio Fronza, Denise C Endringer, Rodrigo Scherer
Achyrocline satureioides or Macela, has been largely used in traditional folk medicine in Brazil as an anti-inflammatory agent and to treat various digestive disorders. The aim of the present study was to evaluate the preventive action of the extracts of A. satureioides obtained by maceration and ultrasound-assisted extraction, quercetin and N-acetylcysteine against contrast-induced nephropathy in mice. The antioxidant activity, cytotoxicity and inhibition of nitric oxide (NO) production in macrophages were evaluated...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28421628/comparison-of-the-nephrotoxic-effects-of-iodixanol-versus-iohexol-in-patients-with-chronic-heart-failure-undergoing-coronary-angiography-or-angioplasty
#4
Tao Song, Min Song, Zhiming Ge, Yong Li, Peimiao Shi, Menghan Sun
OBJECTIVES: The aim of this clinical trial is to compare iodixanol with iohexol for the incidence of contrast-induced nephropathy in patients with chronic heart failure with reduced ejection fraction who are currently undergoing coronary angiography or angioplasty. METHODS: The clinical trial included 220 consecutive patients with chronic heart failure with reduced ejection fraction undergoing coronary angiography or angioplasty. Study participants were administered either iodixanol (n = 110) or iohexol (n = 110)...
April 19, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28420348/lower-incidence-of-contrast-induced-nephropathy-in-patients-undergoing-fluorescent-angiography
#5
Ji Hwan Lee, Byunghoon Chung, Sung Chul Lee, Sung Soo Kim, Hyoung Jun Koh, Christopher Seungkyu Lee
BACKGROUND: To evaluate the incidence and risk factors of contrast-induced nephropathy (CIN) in patients undergoing fluorescein angiography (FA). METHODS: One hundred sixty patients who underwent FA as a part of ophthalmic examination and had serum creatinine (SCr) results within 24 h before FA and within 72 h after FA between 2005 and 2013 at a tertiary medical center were included. According to baseline SCr levels, the subjects were divided into low-risk group (<1...
April 19, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28420210/predictors-of-active-extravasation-and-complications-after-conventional-angiography-for-acute-intraabdominal-bleeding
#6
Zachary M Haber, Hearns W Charles, Joseph P Erinjeri, Amy R Deipolyi
Conventional angiography is used to evaluate and treat possible sources of intraabdominal bleeding, though it may cause complications such as contrast-induced nephropathy (CIN). The study's purpose was to identify factors predicting active extravasation and complications during angiography for acute intraabdominal bleeding. All conventional angiograms for acute bleeding (January 2013-June 2015) were reviewed retrospectively, including 75 angiograms for intraabdominal bleeding in 70 patients. Demographics, comorbidities, vital signs, complications within one month, and change in hematocrit (ΔHct) and fluids and blood products administered over the 24 h prior to angiography were recorded...
April 18, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28414198/ly333531-a-pkc%C3%AE-inhibitor-attenuates-glomerular-endothelial-cell-apoptosis-in-the-early-stage-of-mouse-diabetic-nephropathy-via-down-regulating-swiprosin-1
#7
Zhi-Bin Wang, Su Zhang, Ya Li, Rong-Mei Wang, Ling-Chang Tong, Yue Wang, Wei-Ye Liu, Ding-Feng Su, Ye Tu, Li-Chao Zhang, Ling Li
Glomerular endothelial cell (GEC) injury plays an important role in the early stage of diabetic nephropathy (DN). Previous studies show that a PKCβ inhibitor is effective for treating DN. In the current study we further explored the effects and molecular mechanisms of PKCβ inhibitors on GEC apoptosis in DN in streptozotocin-induced diabetic mice in vivo and high glucose- or PMA-treated human renal glomerular endothelial cells (HRGECs) in vitro. In the diabetic mice, hyperglycemia caused aggravated nephropathy and GEC apoptosis accompanied by significantly increased expression of swiprosin-1, a potentally pro-apoptotic protein...
April 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28412091/lansoprazole-halts-contrast-induced-nephropathy-through-activation-of-nrf2-pathway-in-rats
#8
Sahar A Khaleel, Amany A Alzokaky, Nahed A Raslan, Asmaa I Alwakeel, Heba G Abd El-Aziz, Adel R Abd-Allah
Contrast-induced nephropathy (CIN) is an important cause of acute kidney injury characterized by significant mortality and morbidity. To date, there is no successful protective regimen for CIN especially in poor kidney function patients. Lansoprazole has been shown to exert antioxidant action through induction of nuclear factor-erythroid 2-related factor 2 (Nrf2) pathway. The aim of the present study is to investigate the potential of lansoprazole to activate Nrf2 pathway in the kidney and consequently to protect against oxidative stress induced by iodinated contrast media...
April 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28394010/association-between-prophylactic-hydration-volume-and-risk-of-contrast-induced-nephropathy-after-emergent-percutaneous-coronary-intervention
#9
Tongtao Cui, Jianbin Zhao, Weijie Bei, Hualong Li, Ning Tan, Dengxuan Wu, Kun Wang, Xiaosheng Guo, Yuanhui Liu, Chongyang Duan, Shiqun Chen, Kaiyang Lin, Yong Liu
BACKGROUND: Intravenous hydration during percutaneous coronary intervention (PCI) significantly reduces the risk of contrast-induced nephropathy (CIN), but there are no well-defined protocols regarding the optimal hydration volume (HV) required to prevent CIN following emergent percutaneous coronary intervention (PCI). Therefore, this study investigates the association between the intravenous HV and CIN after emergent PCI. METHODS: 711 patients were prospectively recruited who had underwent emergent PCI with hydration at routine speed and the relationship was investigated between HV or HV to weight ratio (HV/W) and the CIN risk, which was defined as a ≥ 25% or ≥ 0...
April 10, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28392505/early-diagnosis-of-tuberculosis-associated-iga-nephropathy-with-esat-6
#10
Nan Zhao, Jing-Yi Sun, Hai-Ping Xu, Fu-Yun Sun
IgA nephropathy (IgAN) is the most common cause of primary renal diseases worldwide, and the early secreted antigenic target of 6 (ESAT-6) which was secreted by Mycobacterium tuberculosis (MTB) may be involved in the development and progression of IgAN. This study aimed to investigate the role of ESAT-6 for early diagnosis of IgAN caused by MTB infection. From 2011 to 2014, 21 patients with renal tuberculosis (RTB), 25 with IgAN, and 46 with IgAN infected with MTB (IgAN/MTB) were enrolled. Serum levels of antibodies against Mycobacterium tuberculosis antigen 85A (Ag85A) were measured by ELISA...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28386043/nongated-cardiac-computed-tomographic-angiograms-for-detection-of-embolic-sources-in-acute-ischemic-stroke
#11
Leonard L L Yeo, Staffan Holmin, Tommy Andersson, Erik Lundström, Anil Gopinathan, Er Luen Lim, Benjamin S H Leong, Win Sen Kuan, Eric Ting, Benjamin Y Q Tan, Sterling Ellis Eide, Edgar L K Tay
BACKGROUND AND PURPOSE: We assessed the feasibility of obtaining diagnostic quality images of the heart and thoracic aorta by extending the z axis coverage of a non-ECG-gated computed tomographic angiogram performed in the primary evaluation of acute stroke without increasing the contrast dose. METHODS: Twenty consecutive patients with acute ischemic stroke within the 4.5 hours of symptom onset were prospectively recruited. We increased the longitudinal coverage to the domes of the diaphragm to include the heart...
April 6, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28382626/use-of-radiocontrast-agents-in-ckd-and-esrd
#12
Jehan Z Bahrainwala, Amanda K Leonberg-Yoo, Michael R Rudnick
Contrast exposure in a population with chronic kidney disease (CKD) requires additional consideration given the risk of contrast-induced nephropathy (CIN) after exposure to iodinated contrast as well as systemic injury with exposure to gadolinium-based contrast agents (GBCA). Strategies to avoid CIN, and manage patients after exposure, including extracorporeal removal of contrast media, may differ among an advanced CKD population as compared to a general population. There is strong evidence to support the use of isotonic volume expansion and the lowest dose of low-osmolar or iso-osmolar contrast media possible to decrease CIN...
April 5, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28382255/angioembolization-is-necessary-with-any-volume-of-contrast-extravasation-in-blunt-trauma
#13
Ankur Bhakta, David S Magee, Matthew S Peterson, Michael Shay O'Mara
INTRODUCTION: Reduction of nonessential angiogram and embolization for patients sustaining blunt abdominal and pelvic trauma would allow improved utilization and decreased morbidity related to nontherapeutic embolization. We hypothesized that the nature of intravenous contrast extravasation (IVCE) on computed tomography (CT) would be directly related to the finding of extravasation on angiogram and need for embolization. METHODS: A 5-year retrospective evaluation of trauma patients with IVCE on CT...
January 2017: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/28370487/contrast-induced-nephropathy-in-patients-undergoing-endovascular-peripheral-vascular-intervention-incidence-risk-factors-and-outcomes-as-observed-in-the-blue-cross-blue-shield-of-michigan-cardiovascular-consortium
#14
P Michael Grossman, Syed S Ali, Herbert D Aronow, Michael Boros, Timothy J Nypaver, Theodore L Schreiber, Yeo Jung Park, Peter K Henke, Hitinder S Gurm
BACKGROUND: The incidence, risk factors, and outcomes associated with Contrast-induced nephropathy (CIN) after Percutaneous Vascular Intervention (PVI) in contemporary medical practice are largely unknown. METHODS: A total of 13 126 patients undergoing PVI were included in the analysis. CIN was defined as an increase in serum creatinine from pre-PVI baseline to post-PVI peak Cr of ≥0.5 mg/dL. RESULTS: CIN occurred in 3% (400 patients) of the cohort, and 26 patients (6...
April 3, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28356658/n-acetyl-cysteine-versus-allopurinol-in-the-prevention-of-contrast-nephropathy-in-patients-with-chronic-kidney-disease-a-randomized-controlled-trial
#15
R Sadineni, K R Karthik, G Swarnalatha, U Das, G Taduri
Contrast media administration can lead to acute deterioration in renal function particularly in patients with pre-existing chronic kidney disease. This prospective, randomized controlled open-label parallel group study was undertaken at Nizam's Institute of Medical Sciences, Hyderabad, from June to December 2015. A total of 95 patients were included, of which 35 received n-acetylcysteine (NAC) + normal saline (NS), 30 patients received allopurinol (ALL) + NS, and 30 patients received placebo. In our study, the overall incidence of CIN was 24%...
March 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28352015/association-between-angiotensin-converting-enzyme-insertion-deletion-gene-polymorphism-and-end-stage-renal-disease-in-lebanese-patients-with-diabetic-nephropathy
#16
Sarah Fawwaz, Mahmoud Balbaa, Hana Fakhoury, Jamila Borjac, Rajaa Fakhoury
Diabetic nephropathy (DN) is one of the leading causes of end-stage renal disease (ESRD). The development and progression of nephropathy is strongly determined by genetic factors, and few genes have been shown to contribute to DN. An insertion/deletion (I/D) polymorphism of the gene encoding angiotensin-converting enzyme (ACE) was reported as a candidate gene predisposing to DN and ESRD. Accordingly, we investigated the frequency of ACE I/D polymorphism in 50 patients with DN, of whom 33 had ESRD and compared them with 64 patients with type 2 diabetes mellitus (T2DM) but with normal renal function...
March 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28352014/risk-factors-for-contrast-induced-nephropathy-after-coronary-angiography
#17
Sandeep Kumar, Ranjith K Nair, Naveen Aggarwal, A K Abbot, J Muthukrishnan, K V S Hari Kumar
Contrast-induced nephropathy (CIN) is of concern after the use of radiocontrast media for coronary angiography (CAG) and percutaneous coronary intervention (PCI). We studied the incidence of CIN and its risk factors in patients undergoing CAG. In this prospective study, we included all patients with normal renal parameters undergoing CAG with nonionic radiocontrast media. We excluded patients with known chronic kidney disease, baseline creatinine more than 1.5 mg/dL, significant hypotension, anemia, and patients with acute myocardial infarction undergoing emergency PCI...
March 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28344312/a-case-of-anti-glomerular-basement-membrane-glomerulonephritis-complicated-by-type-1-diabetes-mellitus-mimicking-urinary-tract-infection
#18
Yoshihiro Aoki, Izumi Tanimoto, Yoshihiro Miyauchi, Yoshio Suzuki, Toshiaki Shiojiri
BACKGROUND Type 1 diabetes mellitus (DM) tends to complicate other autoimmune diseases. When considering renal dysfunction in patients with DM, diabetic nephropathy is a likely diagnosis. By contrast, anti-glomerular basement membrane (GBM) glomerulonephritis, an autoimmune disease, is one cause of rapidly progressive glomerulonephritis. CASE REPORT We report the case of a 44-year-old woman diagnosed with anti-glomerular basement membrane (GBM) glomerulonephritis. The diagnosis was made on the basis of serological test results and pathological findings of a renal biopsy...
March 27, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28341272/kidney-fibroblast-growth-factor-23-does-not-contribute-to-elevation-of-its-circulating-levels-in-uremia
#19
Maria L Mace, Eva Gravesen, Anders Nordholm, Jacob Hofman-Bang, Thomas Secher, Klaus Olgaard, Ewa Lewin
Fibroblast growth factor 23 (FGF23) secreted by osteocytes is a circulating factor essential for phosphate homeostasis. High plasma FGF23 levels are associated with cardiovascular complications and mortality. Increases of plasma FGF23 in uremia antedate high levels of phosphate, suggesting a disrupted feedback regulatory loop or an extra-skeletal source of this phosphatonin. Since induction of FGF23 expression in injured organs has been reported we decided to examine the regulation of FGF23 gene and protein expressions in the kidney and whether kidney-derived FGF23 contributes to the high plasma levels of FGF23 in uremia...
March 21, 2017: Kidney International
https://www.readbyqxmd.com/read/28340561/ascorbic-acid-ameliorates-renal-injury-in-a-murine-model-of-contrast-induced-nephropathy
#20
K Rollins, A Noorani, L Janeckova, T Jones, M Griffiths, M P Baker, J R Boyle
BACKGROUND: Contrast induced nephropathy (CIN) is the commonest cause of iatrogenic renal injury and its incidence has increased with the advent of complex endovascular procedures. Evidence suggests that ascorbic acid (AA) has a nephroprotective effect in percutaneous coronary interventions when contrast media are used. A variety of biomarkers (NGAL, NGAL:creatinine, mononuclear cell infiltration, apoptosis and RBP-4) in both the urine and kidney were assayed using a mouse model of CIN in order to determine whether AA can reduce the incidence and/or severity of renal injury...
March 24, 2017: BMC Nephrology
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