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International Journal of Nephrology and Renovascular Disease

Aishatu Mohammed Nalado, Johnny N Mahlangu, Bala Waziri, Raquel Duarte, Graham Paget, Gbenga Olorunfemi, Saraladevi Naicker
Introduction: Anemia is a complication of chronic kidney disease (CKD) that can greatly impact on its prognosis. However, the risk factors for anemia, including the influence of ethnicity, are not well established among the CKD population in Johannesburg. Methods: This was a cross-sectional study of 353 adult CKD patients attending the renal outpatient clinic of the Charlotte Maxeke Johannesburg Academic Hospital (Johannesburg, South Africa) from June 1, 2016 to December 30, 2016...
2019: International Journal of Nephrology and Renovascular Disease
Attila Magyar, Martin Wagner, Phillip Thomas, Carolin Malsch, Reinhard Schneider, Stefan Störk, Peter U Heuschmann, Rainer G Leyh, Mehmet Oezkur
Background: Acute kidney injury (AKI) is a serious complication after cardiac surgery that is associated with increased mortality and morbidity. Heme oxygenase-1 (HO-1) is an enzyme synthesized in renal tubular cells as one of the most intense responses to oxidant stress linked with protective, anti-inflammatory properties. Yet, it is unknown if serum HO-1 induction following cardiac surgical procedure involving cardiopulmonary bypass (CPB) is associated with incidence and severity of AKI...
2019: International Journal of Nephrology and Renovascular Disease
Kathryn Gray, Linda H Ficociello, Abigail E Hunt, Claudy Mullon, Steven M Brunelli
Background: Phosphate binders are widely used to achieve serum phosphorus control in patients with end-stage renal disease. However, the large pill burden associated with these medications may decrease adherence to therapy. In clinical trials, sucroferric oxyhydroxide (SO) demonstrated equivalent control of serum phosphorus to sevelamer, with a lower daily pill burden. We examined changes in phosphate binder pill burden, medication possession ratio (MPR), and phosphorus control among in-center hemodialysis (ICHD) patients converting to SO from another phosphate binder as part of routine care...
2019: International Journal of Nephrology and Renovascular Disease
Mahtab H Rahbar, Maryam R Rahbar, Nyousha Mardanpour, Sourena Mardanpour
Background: The proliferative activity as well as apoptosis has been suggested to play a role in the pathogenesis of lupus nephritis (LN). The aim of the study was to investigate the coexpression of Ki-67-triggered marked proliferation and P53-induced apoptosis in renal biopsy of childhood lupus nephritis (cLN) and to compare the coexpression of proliferative and apoptotic indices between different subgroups and clinicopathologic patterns of renal disease. Methods: Renal biopsy specimens of 33 children with lupus nephritis (LN) and 10 healthy subjects were retrospectively evaluated...
2018: International Journal of Nephrology and Renovascular Disease
Debela Gela, Daniel Mengistu
Introduction: Patients with end-stage renal disease (ESRD) face multifaceted problems arising from complications of the disease and dialysis that require consistent and, effective self-management from the patients' side, on top of the management offered by health care professionals. However, little is known about the level of self-management and influencing factors among patients with ESRD undergoing hemodialysis in the study area. Therefore, the aim of this study was to assess self-management and associated factors of patients with ESRD undergoing hemodialysis at health facilities in Addis Ababa, Ethiopia...
2018: International Journal of Nephrology and Renovascular Disease
Sameeha A Alshelleh, Ashraf O Oweis, Karem H Alzoubi
Background: Improvements in health care systems worldwide have had notable effects on the life expectancy of older individuals. As a result, nonagenarians are emerging as a separate age group with distinct health care needs. The aim of this study was to evaluate the incidence of acute kidney injury (AKI), the mortality rates, and length of in-hospital stay among nonagenarians. Methods: This is a retrospective case-control chart review of patients of age 90 years and above who were admitted to hospital...
2018: International Journal of Nephrology and Renovascular Disease
Shunta Hori, Tatsuki Miyamoto, Keiichi Sakamoto, Takuto Shimizu, Kazuki Ichikawa, Yosuke Morizawa, Daisuke Gotoh, Yasushi Nakai, Makito Miyake, Tatsuo Yoneda, Nobumichi Tanaka, Katsunori Yoshida, Kiyohide Fujimoto
Background: Transplant renal vein thrombosis (TRVT) is a severe vascular complication and is caused by various factors, including recipient factors, donor factors, immunosuppression regimens, and surgical techniques. Despite adequate interventions, including thrombolytic therapy or surgical thrombectomy, successful salvage of the allograft is often difficult. We observed a case of TRVT induced by compression of the renal vein immediately after intraoperative abdominal closure. Case presentation: A 41-year-old male underwent ABO-compatible living kidney transplantation...
2018: International Journal of Nephrology and Renovascular Disease
Farid Arman, Marina Barsoum, Umut Selamet, Hania Shakeri, Olivia Wassef, Mira Mikhail, Anjay Rastogi, Ramy M Hanna
Circulating antineutrophil cytoplasmic antibodies (ANCAs) are the central pathogenic mechanism for a group of systemic and renal syndromes called the ANCA-associated vasculitis (AAV). The nomenclature has changed from eponymous labeling to granulomatosis with polyangiitis, eosinophilic granulomatosis with polyangiitis, and microscopic polyangiitis. These syndromes predominantly affect the pulmonary and renal systems. We also review the molecular pathology behind ANCAs and associated antigens and infections...
2018: International Journal of Nephrology and Renovascular Disease
Jose Jayme G De Lima, Luis Henrique W Gowdak, Flavio J de Paula, Henrique Cotchi S Muela, Elias David-Neto, Luiz A Bortolotto
Background: Coronary artery disease (CAD) is prevalent in older patients on dialysis, but the prognostic relevance of coronary assessment in asymptomatic subjects remains undefined. We tested the usefulness of a protocol, based on clinical, invasive, and noninvasive coronary assessment, by answering these questions: Could selecting asymptomatic patients for coronary invasive assessment identify those at higher risk of events? Is CAD associated with a worse prognosis? Methods: A retrospective study including 276 asymptomatic patients at least 65 years old on the waiting list, prospectively evaluated for CAD and followed up until death or renal transplantation, were classified into two groups: 1) low-risk patients who did not undergo coronary angiography (n=63) and 2) patients who did undergo angiography (n=213)...
2018: International Journal of Nephrology and Renovascular Disease
Tamara da Silva Cunha, Ita Pfeferman Heilberg
Bartter syndrome is an inherited renal tubular disorder caused by a defective salt reabsorption in the thick ascending limb of loop of Henle, resulting in salt wasting, hypokalemia, and metabolic alkalosis. Mutations of several genes encoding the transporters and channels involved in salt reabsorption in the thick ascending limb cause different types of Bartter syndrome. A poor phenotype-genotype relationship due to the interaction with other cotransporters and different degrees of compensation through alternative pathways is currently reported...
2018: International Journal of Nephrology and Renovascular Disease
Bodil G Hornstrup, Pia H Gjoerup, Jost Wessels, Thomas G Lauridsen, Erling B Pedersen, Jesper N Bech
Background: Chronic kidney disease (CKD) is often associated with a blunted nocturnal BP decrease and OSA. However, it is not fully clear whether a relationship exists between reduction in renal function and obstructive sleep apnea (OSA) on the one hand and relative nocturnal BP decrease in CKD patients on the other. The aim of this study was to investigate the association between nocturnal BP decrease and renal function, the degree of OSA, vasoactive hormones, and renal sodium handling in CKD3-4 patients and healthy age-matched controls...
2018: International Journal of Nephrology and Renovascular Disease
Mikhail Brovko, Lidia Kozlovskaya, Andrey Pulin, Sergey Moiseev, Victoria Sholomova, Dmitry Shchekochikhin, Daria Gognieva, Ludmila Milovanova, Victor Fomin
Purpose: Experimental studies suggest that the nephrotic syndrome is associated with "vasopressin escape", characterized by low aquaporin-2 (AQP2) expression in the collecting duct despite high vasopressin secretion. We investigated this phenomenon in patients with the nephrotic syndrome. Patients and methods: We recruited 47 patients with proteinuric kidney disease who were distributed into the following four groups: 1) nephrotic syndrome with kidney dysfunction (n=10); 2) nephrotic syndrome with normal kidney function (n=16); 3) partial remission of nephrotic syndrome (n=10); and 4) minimal proteinuria (n=11)...
2018: International Journal of Nephrology and Renovascular Disease
Clifford E Kashtan
Alport syndrome is an inherited disorder of basement membrane collagen IV that frequently results in end-stage renal disease. Patients with Alport syndrome who undergo renal transplantation have generally excellent outcomes. Posttransplant antiglomerular basement membrane nephritis is a rare complication of renal transplantation for Alport syndrome. Because Alport syndrome is a genetic disorder, potential related donors must be carefully evaluated in order to minimize harm.
2018: International Journal of Nephrology and Renovascular Disease
Yu Kataoka, Sinny Delacroix, Samuel Sidharta, Jordan Andrews, Stephen J Nicholls, Costas P Tsioufis, Vasilios Papademetriou, Stephen G Worthley
Aim: Radiofrequency ablation of peri-arterial renal autonomic nerves has been studied as a potential therapeutic option for resistant hypertension. While recent clinical trials have reported its efficacy, there is paucity of data addressing the effects of the procedure on renal arteries, such as changes in vessel and lumen areas. Herein, the effect of atheroma burden on renal arteries after renal denervation was assessed using computed tomography (CT) imaging. Materials and methods: Serial renal artery CT imaging was conducted in 38 patients from the EnligHTN™ I study, a prospective, multicenter study evaluating the efficacy of the EnligHTN multi-electrode radiofrequency ablation catheter in resistant hypertensive subjects...
2018: International Journal of Nephrology and Renovascular Disease
Joshua Dill, Billie Bixby, Huthayfa Ateeli, Benjamin Sarsah, Khushboo Goel, Ryan Buckley, Ilya Finkelshteyn, Bijin Thajudeen, Pradeep V Kadambi, Christian Bime
Background: Patients with acute respiratory distress syndrome (ARDS) who develop acute kidney injury have increased mortality and frequently require renal replacement therapy (RRT). The optimal timing for initiation of RRT after onset of ARDS to improve survival is not known. Methods: We retrospectively reviewed clinical data on patients admitted to our health system over a 2-year period. Individual charts were carefully reviewed to ascertain that patients met the Berlin criteria for ARDS and to categorize RRT utilization...
2018: International Journal of Nephrology and Renovascular Disease
Xueping Wu, Lei Liu, Yaling Guo, Lijuan Yang
Objective: To compare the positive rate of anti-PLA2R antibodies in patients with primary membranous nephropathy (PMN), secondary membranous nephropathy (SMN), and non-membrane nephropathy (non-MN); evaluate serum anti-PLA2R antibodies in the diagnosis of PMN; quantify the serum anti-PLA2R antibody levels during the treatment of PMN patients; and evaluate the clinical value of monitoring changes in serum anti-PLA2R antibody quantification levels. Methods: The kidney tissue was collected by kidney biopsy...
2018: International Journal of Nephrology and Renovascular Disease
Shunji Suzuki, Norio Hanafusa, Kenji Kubota, Ken Tsuchiya, Kosaku Nitta
Background: Fluid overload in chronic kidney disease (CKD) is generally controlled by diuretics, with potentially harmful effects on renal function. The efficacy of tolvaptan, a vasopressin V2-receptor antagonist and aquaretic, has not been evaluated for fluid control in CKD with reduced renal function. Methods: Each patient from a group of 24 CKD patients on tolvaptan 15 mg/d plus conventional diuretics (T group) was matched by age and sex with a patient from a group of 24 CKD patients on conventional nonaquaretic diuretics alone not associated to tolvaptan other than tolvaptan (C group)...
2018: International Journal of Nephrology and Renovascular Disease
Gioacchino Li Cavoli, Giuseppe Mulè, Mario Giuseppe Vallone, Flavia Caputo
Takayasu arteritis (TA) is a chronic vasculitis disease of unknown etiology. Clinically significant renal disease is relatively common, and renovascular hypertension is the major renal problem. The assessment of TA activity is usually challenging because vascular inflammation may progress to fixed vascular injury without findings of active disease. Until now, the best therapeutic options have not been identified. This review highlights the current perspectives of renal involvement in TA.
2018: International Journal of Nephrology and Renovascular Disease
Laís Gabriela Yokota, Beatriz Mota Sampaio, Erica Pires Rocha, André Luís Balbi, Iara Ranona Sousa Prado, Daniela Ponce
Acute kidney injury (AKI) is characterized by a sudden renal dysfunction with consequent increase of nitrogenous products, hydroelectrolytic and acid-base disorders. Its prevalence is high in hospitalized populations (4.9%-7.2%), especially in intensive care units (ICUs). Despite all the technical and therapeutic advances that have occurred in the last few decades, the overall mortality of AKI patients remains high, reaching 80% in ICU patients. Several conditions predispose a patient to progress with AKI, including age, sepsis, surgeries, and comorbidities, such as systemic arterial hypertension, diabetes mellitus, heart disease, neoplasia, and chronic renal disease...
2018: International Journal of Nephrology and Renovascular Disease
Ashraf O Oweis, Sameeha A Alshelleh, Ammar K Daoud, Mahmoud M Smadi, Karem H Alzoubi
Background: Acute kidney injury (AKI) caused by contrast exposure is a common problem, which may cause a significant increase in patients in-hospital stay and therefore the cost of treatment. This study was conducted to evaluate the role of inflammation, inflammatory markers in predicting contrast induced nephropathy (CIN). This is a prospective study that was carried out in a major tertiary referral hospital in Jordan. Methods: Clinical data, blood and urine samples were collected from all patients admitted to the cardiology unit...
2018: International Journal of Nephrology and Renovascular Disease
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