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Nephron

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https://www.readbyqxmd.com/read/29301137/associations-of-fibroblast-growth-factor-23-with-markers-of-inflammation-and-leukocyte-transmigration-in-chronic-kidney-disease
#1
Carin Wallquist, Ladan Mansouri, Mattias Norrbäck, Britta Hylander, Stefan H Jacobson, Tobias E Larsson, Joachim Lundahl
BACKGROUND: Patients with chronic kidney disease (CKD) show elevated levels of inflammatory markers and have an increased risk of infections as well as cardiovascular morbidity. Recent studies have implied effects of fibroblast growth factor 23 (FGF23) on inflammation in CKD. We analyzed potential correlations between levels of FGF23 with pro-inflammatory chemokines and markers of leukocyte transmigration in CKD patients. METHODS: One hundred three patients with CKD 2-5ND and 54 healthy controls, had biochemical markers in blood and urine analyzed according to routine protocol...
January 4, 2018: Nephron
https://www.readbyqxmd.com/read/29301131/safety-of-outpatient-kidney-biopsies
#2
Bojana Šimunov, Mihaela Gunjača, Branislav Čingel, Dinko Škegro, Mladen Knotek
BACKGROUND: Kidney biopsy is frequently performed in our centre as an outpatient procedure. The aim of this study was to evaluate the safety of biopsy in the outpatient setting. METHODS: We analysed kidney biopsies performed from March 2013 to February 2017. Seven hundred twenty-five biopsies performed in the outpatient setting were identified: There were 592 transplant and 133 native biopsies including 3 solitary kidney biopsies. All were performed under ultrasound guidance using a 16G or 18G needle, with freehand technique...
January 4, 2018: Nephron
https://www.readbyqxmd.com/read/29268266/vanishing-immunoglobulins-the-formation-of-pauci-immune-lesions-in-myeloperoxidase-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#3
Emika Futamata, Sakiko Masuda, Yuka Nishibata, Satoshi Tanaka, Utano Tomaru, Akihiro Ishizu
No abstract text is available yet for this article.
December 21, 2017: Nephron
https://www.readbyqxmd.com/read/29268263/renal-pgc1%C3%AE-may-be-associated-with-recovery-after-delayed-graft-function
#4
Erika R Drury, Zsuzsanna K Zsengeller, Isaac E Stillman, Eliyahu V Khankin, Martha Pavlakis, Samir M Parikh
BACKGROUND: Delayed renal graft function (DGF) contributes to the determination of length of hospitalization, risk of acute rejection, and graft loss. Existing tools aid the diagnosis of specific DGF etiologies such as antibody-mediated rejection, but markers of recovery have been elusive. The peroxisome proliferator gamma co-activator-1-alpha (PGC1α) is highly expressed in the renal tubule, regulates mitochondrial biogenesis, and promotes recovery from experimental acute kidney injury...
December 21, 2017: Nephron
https://www.readbyqxmd.com/read/29253844/factors-associated-with-chronic-kidney-disease-and-their-clinical-utility-in-primary-care-clinics-in-a-multi-ethnic-southeast-asian-population
#5
Quan Lan J Lew, John C Allen, Francis Nguyen, Ngiap Chuan Tan, Tazeen H Jafar
BACKGROUND: Chronic kidney disease (CKD) is a major global public health challenge. We investigated determinants of CKD and their clinical utility in an ethnically diverse Southeast Asian population. METHODS: Electronic health records (EHR) of adults ≥40 years who visited any one of 4 government polyclinics in Singapore from January 1, 2012 to -December 31, 2015 were analyzed. CKD was defined as an estimated glomerular filtration rate <60 mL/min/1.73 m2 or 1+ dipstick proteinuria excretion, based on 2 measurements ≥3 months apart...
December 15, 2017: Nephron
https://www.readbyqxmd.com/read/29248921/impact-of-kidney-transplantation-on-reproductive-hormone-levels-in-males-a-longitudinal-study
#6
Dag Eckersten, Aleksander Giwercman, Mats Pihlsgård, Laila Bruun, Anders Christensson
BACKGROUND/AIMS: Male patients with end-stage renal disease suffer from sexual disturbances and infertility. Disturbances in the hypothalamic-pituitary-gonadal axis are one of the causes of this. Decreased testosterone synthesis in Leydig cells of the testes and hyperprolactinemia are common. Kidney transplantation, unlike hemodialysis, normalizes these changes. However, how kidney transplantation affects Sertoli cell function is poorly understood. This study is aimed at investigating the changes in fertility-related hormones in men before, during, and after renal transplantation...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241200/atypical-hemolytic-uremic-syndrome-associated-with-complement-factor-h-mutation-and-iga-nephropathy-a-case-report-successfully-treated-with-eculizumab
#7
Hironori Nakamura, Mariko Anayama, Mutsuki Makino, Yasushi Makino, Katsuhiko Tamura, Masaki Nagasawa
We present a rare case of IgA nephropathy in a patient who developed atypical hemolytic uremic syndrome (aHUS) associated with a complement factor H (CFH) gene mutation, and who was successfully treated with eculizmab. A 76-year-old man was admitted as the patients had thrombotic microangiopathies findings. The patient was treated with plasma exchange, hemodialysis and methylprednisolone. A disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13 level was not decreased. Light microscopy findings were consistent with hemolytic uremic syndrome and immunofluorescence analysis revealed IgA and C3 were detected...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241197/renoprotective-effects-of-metformin
#8
Marc E De Broe, Farshad Kajbaf, Jean-Daniel Lalau
BACKGROUND/AIMS: It has become clear that metformin exerts pleiotropic actions beyond its glucose-lowering agent effect. In this review, we summarise the state of the art concerning the potential renoprotective effects of metformin in vitro, animal models and clinical nephrology. METHODS: A literature search was performed in PUBMED, ScienceDirect, between January 1957 and March 2017 using the following keywords: "metformin," "nephroprotection," "renoprotection," "survival," "renal failure," "chronic kidney diseases," "fibrosis," "polycystic kidney disease" and "microalbuminuria...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241164/peritoneal-dialysis-catheter-revision-and-replacement-by-nephrologist-for-peritoneal-dialysis-catheter-malfunction
#9
Terry King-Wing Ma, Kai Ming Chow, Bonnie Ching-Ha Kwan, Jack Kit-Chung Ng, Agnes Shin-Man Choy, Vickie Wai-Ki Kwong, Wing-Fai Pang, Chi Bon Leung, Philip Kam-To Li, Cheuk Chun Szeto
BACKGROUND: Catheter malfunction is an important cause of technique failure for peritoneal dialysis (PD) patients, and is commonly managed by surgeons or intervention radiologists. We reviewed our experience in catheter revision or replacement by nephrologists. METHOD: We reviewed the clinical outcome and complication rate of 95 consecutive patients who had PD catheter malfunction, with catheter revision or replacement by nephrologist. RESULT: Amongst the 95 patients, 32 had catheter revision, 24 catheter replacement via the original wound, and 39 catheter replacement via a new mini-laparotomy wound...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29232664/vaccination-practices-in-pediatric-dialysis-patients-across-europe-a-european-pediatric-dialysis-working-group-and-european-society-for-pediatric-nephrology-dialysis-working-group-study
#10
Sevcan A Bakkaloğlu, Yesim Özdemir Atikel, Fabio Paglialonga, Constantinos J Stefanidis, Varvara Askiti, Enrico Vidal, Gema Ariceta, Engin Melek, Enrico Verrina, Nikoleta Printza, Karel Vondrak, Aleksandra Zurowska, Ilona Zagozdzon, Mesiha Ekim, Elif Nursel Özmert, Stephanie Dufek, Augustina Jankauskiene, Claus Peter Schmitt, Eszter Lévai, Johan Vande Walle, Nur Canpolat, Tuula Holtta, Michel Fischbach, Guenter Klaus, Christoph Aufricht, Rukshana Shroff, Alberto Edefonti
BACKGROUND: Data on the immunization practices in pediatric chronic kidney disease (CKD) patients are scarce. The purpose of this study was to evaluate current vaccination practices for children on dialysis across European pediatric nephrology centers. METHODS: A total of 18 tertiary pediatric nephrology centers from 12 European countries were included in the study. The data on universal national immunization programs and immunization practices for children with chronic disease or risk were recorded from European Center for Disease Prevention and Control and the World Health Organization...
December 12, 2017: Nephron
https://www.readbyqxmd.com/read/29227974/mir302a-3p-may-modulate-renal-epithelial-mesenchymal-transition-in-diabetic-kidney-disease-by-targeting-zeb1
#11
Wen-Bin Tang, Linfeng Zheng, Renheng Yan, Jiayi Yang, Jianping Ning, Linlin Peng, Qiaoling Zhou, Liping Chen
BACKGROUND: Recent study found that microRNA (miRNA) are involved in diabetic kidney disease (DKD). The objective of this study is to determine the role of miR302a-3p in the process of renal epithelial-mesenchymal transition (EMT) in DKD. METHODS: The miRNA expression profiling of the cell line stimulated by high glucose was performed by a microarray analysis. Then real-time polymerase chain reaction (PCR) were used to determine the expression of one of the miRNAs significantly upregulated in cell line stimulated by high glucose, miR302a-3p...
December 8, 2017: Nephron
https://www.readbyqxmd.com/read/29207385/real-or-perceived-hyperkalemia-is-a-major-deterrent-for-renin-angiotensin-aldosterone-system-inhibition-in-heart-failure
#12
Peter A McCullough, Janani Rangaswami
No abstract text is available yet for this article.
December 5, 2017: Nephron
https://www.readbyqxmd.com/read/29190634/focal-segmental-glomerulosclerosis-associated-with-chronic-progressive-external-ophthalmoplegia-and-mitochondrial-dna-a3243g-mutation
#13
Kaori Narumi, Eikan Mishima, Yukako Akiyama, Tetsuro Matsuhashi, Takashi Nakamichi, Kiyomi Kisu, Shuhei Nishiyama, Hajime Ikenouchi, Akio Kikuchi, Rumiko Izumi, Mariko Miyazaki, Takaaki Abe, Hiroshi Sato, Sadayoshi Ito
Focal segmental glomerulosclerosis (FSGS) is caused by various etiologies, with mitochondrial dysfunction being one of the causes. FSGS is known to be associated with mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS), which is a subclass of mitochondrial disease. However, it has rarely been reported in other mitochondrial disease subclasses. Here, we reported a 20-year-old man diagnosed with FSGS associated with chronic progressive external ophthalmoplegia (CPEO) due to mitochondrial DNA (mtDNA) 3243A>G mutation...
November 30, 2017: Nephron
https://www.readbyqxmd.com/read/29176327/hyperkalemia-associated-with-renin-angiotensin-aldosterone-system-inhibition-in-patients-with-heart-failure-underexplored-and-overrated
#14
Abhilash Koratala, Hussain Aboud, Amir Kazory
No abstract text is available yet for this article.
November 24, 2017: Nephron
https://www.readbyqxmd.com/read/29169177/acute-kidney-injury-in-elderly-population-a-prospective-observational-study
#15
Cássia Gomes da Silveira Santos, Rafael Fernandes Romani, Ricardo Benvenutti, João Otávio Ribas Zahdi, Miguel Carlos Riella, Marcelo Mazza do Nascimento
BACKGROUND/AIMS: Acute kidney injury (AKI) has been reported as a recognized condition among the elderly population; however, its clinical epidemiology is still poorly evaluated. We propose to evaluate the epidemiological profile of AKI in hospitalized elderly patients and the variables associated with renal replacement therapy (RRT) dependency at discharge after an episode of AKI. METHODS: This prospective observational study enrolled 286 elderly patients (aged ≥60 years), who had a diagnosis of AKI and were admitted to a tertiary care hospital...
November 23, 2017: Nephron
https://www.readbyqxmd.com/read/29169161/digoxin-and-hypermagnesuria
#16
Luca Zanoli, Paolo Lentini, Pasquale Fatuzzo
In a recent issue of Nephron, Abu-Amer et al.[ref 1] reported the presence of hypermagnesuria in patients following acute intravenous administration of digoxin and suggested that the Na+/K+-ATPase γ-subunit, which is the pharmacological target of digoxin, can play a role in this process. Hypermagnesuria induced by digoxin may have important clinical consequences, particularly in the presence of inherited and acquired conditions associated with hypermagnesuria and hypomagnesemia. Moreover, the co-administration of digoxin with other drugs that reduce gastrointestinal absorption (i...
November 23, 2017: Nephron
https://www.readbyqxmd.com/read/29169159/an-unexpected-lesson-in-global-nephrology
#17
Donald E Kohan
No abstract text is available yet for this article.
November 23, 2017: Nephron
https://www.readbyqxmd.com/read/29132132/care-of-the-acute-kidney-injury-survivor
#18
Ron Wald, Abhijat Kitchlu, Ziv Harel, Samuel A Silver
While the short-term implications of acute kidney injury (AKI) have been known for many years, far less attention has been paid to the health of AKI survivors. This was perhaps fueled by a prevailing wisdom that if a patient was fortunate enough to survive the primary illness associated with AKI, the prognosis for future health was auspicious. More recently, this dogma was challenged by data suggesting that after an episode of AKI, patients remain at risk of experiencing multiple adverse health outcomes. Greater recognition and appreciation of the risks faced by AKI survivors have led to the development of quality improvement initiatives that are supposed to enrich this vulnerable population...
November 13, 2017: Nephron
https://www.readbyqxmd.com/read/29131112/spurious-hyperchloremia-in-the-presence-of-elevated-plasma-salicylate-a-cohort-study
#19
Kianoush B Kashani, Jon H Steuernagle Iv, Qi Qian
BACKGROUND: Acute metabolic acidosis is rarely associated with a reduced or negative anion gap (AG), but several case reports have described such an abnormality occurring in the setting of acute salicylate intoxication. The underlying cause of this phenomenon is unclear. METHODS: In this retrospective cohort study, we reviewed our institutional database to identify all patients admitted for salicylate intoxication at Mayo Clinic (Rochester, MN, USA) from January 2010 through December 2012...
November 9, 2017: Nephron
https://www.readbyqxmd.com/read/29131092/value-of-intraoperative-parathyroid-hormone-assay-during-parathyroidectomy-in-dialysis-and-renal-transplant-patients-with-secondary-and-tertiary-hyperparathyroidism
#20
Amr El-Husseini, Kevin Wang, Annick Edon, David Saxon, Florence Lima, David Sloan, B Peter Sawaya
BACKGROUND: In dialysis and renal transplant patients with secondary and tertiary hyperparathyroidism (HPT), the value of intraoperative parathyroid hormone (ioPTH) during parathyroidectomy (PTX) and its association with long-term PTH levels are unknown. The present study aims at evaluating the relationship of ioPTH with long-term PTH levels post-PTX in dialysis and renal transplant patients in a single-center study. METHODS: The ioPTH was measured in 57 dialysis patients (33 females and 24 males) and 18 renal transplant recipients (12 males and 6 females) who underwent PTX from 2005 to 2015 for refractory HPT...
November 9, 2017: Nephron
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