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Nefrología

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75 papers 0 to 25 followers
https://www.readbyqxmd.com/read/28893450/emergency-medicine-evaluation-and-management-of-the-end-stage-renal-disease-patient
#1
REVIEW
Brit Long, Alex Koyfman, Courtney M Lee
BACKGROUND: End stage renal disease (ESRD) is increasing in the U.S., and these patients demonstrate greater all-cause mortality, cardiovascular events, and hospitalization rates when compared to those with normal renal function. These patients may experience significant complications associated with loss of renal function and dialysis. OBJECTIVE: This review evaluates complications of ESRD including cardiopulmonary, neurologic, infectious disease, vascular, and access site complications, as well as medication use in this population...
September 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/23953801/extracellular-potassium-homeostasis-insights-from-hypokalemic-periodic-paralysis
#2
REVIEW
Chih-Jen Cheng, Elizabeth Kuo, Chou-Long Huang
Extracellular potassium makes up only about 2% of the total body's potassium store. The majority of the body potassium is distributed in the intracellular space, of which about 80% is in skeletal muscle. Movement of potassium in and out of skeletal muscle thus plays a pivotal role in extracellular potassium homeostasis. The exchange of potassium between the extracellular space and skeletal muscle is mediated by specific membrane transporters. These include potassium uptake by Na(+), K(+)-adenosine triphosphatase and release by inward-rectifier K(+) channels...
May 2013: Seminars in Nephrology
https://www.readbyqxmd.com/read/28778861/how-dangerous-is-hyperkalemia
#3
John R Montford, Stuart Linas
Hyperkalemia is a potentially life-threatening electrolyte disorder appreciated with greater frequency in patients with renal disease, heart failure, and with use of certain medications such as renin angiotensin aldosterone inhibitors. The traditional views that hyperkalemia can be reliably diagnosed by electrocardiogram and that particular levels of hyperkalemia confer cardiotoxic risk have been challenged by several reports of patients with atypic presentations. Epidemiologic data demonstrate strong associations of morbidity and mortality in patients with hyperkalemia but these associations appear disconnected in certain patient populations and in differing clinical presentations...
August 4, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28817466/mitochondrial-dna-in-acute-kidney-injury-chicken-or-egg
#4
Lukas Martin, Christoph Thiemermann
No abstract text is available yet for this article.
August 16, 2017: Shock
https://www.readbyqxmd.com/read/28778860/pharmacologic-approaches-to-improve-mitochondrial-function-in-aki-and-ckd
#5
Hazel H Szeto
AKI is associated with high morbidity and mortality, and it predisposes to the development and progression of CKD. Novel strategies that minimize AKI and halt the progression of CKD are urgently needed. Normal kidney function involves numerous different cell types, such as tubular epithelial cells, endothelial cells, and podocytes, working in concert. This delicate balance involves many energy-intensive processes. Fatty acids are the preferred energy substrates for the kidney, and defects in fatty acid oxidation and mitochondrial dysfunction are universally involved in diverse causes of AKI and CKD...
August 4, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28799970/reducing-mortality-in-acute-kidney-injury
#6
Mohamud Egal, Hilde R H de Geus
No abstract text is available yet for this article.
August 9, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28801723/a-review-of-the-role-of-immune-cells-in-acute-kidney-injury
#7
REVIEW
Anthony Bonavia, Kai Singbartl
Acute kidney injury (AKI) is a systemic disease occurring commonly in patients who are critically ill. Etiologies of AKI can be septic or aseptic (nephrotoxic, or ischemia-reperfusion injury). Recent evidence reveals that innate and adaptive immune responses are involved in mediating damage to renal tubular cells and in recovery from AKI. Dendritic cells, monocytes/macrophages, neutrophils, T lymphocytes, and B lymphocytes all contribute to kidney injury. Conversely, M2 macrophages and regulatory T cells are essential in suppressing inflammation, tissue remodeling and repair following kidney injury...
August 11, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28801674/a-new-scoring-model-for-the-prediction-of-mortality-in-patients-with-acute-kidney-injury
#8
Min Luo, Yuan Yang, Jun Xu, Wei Cheng, Xu-Wei Li, Mi-Mi Tang, Hong Liu, Fu-You Liu, Shao-Bin Duan
Currently, little information is available to stratify the risks and predict acute kidney injury (AKI)-associated death. In this present cross-sectional study, a novel scoring model was established to predict the probability of death within 90 days in patients with AKI diagnosis. For establishment of predictive scoring model, clinical data of 1169 hospitalized patients with AKI were retrospectively collected, and 731 patients of them as the first group were analyzed by the method of multivariate logistic regression analysis to create a scoring model and further predict patient death...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808364/the-effect-of-furosemide-on-the-level-of-neutrophil-gelatinase-associated-lipocalin-in-critically-hospitalized-patients-with-acute-kidney-injury
#9
Hadi Hamishehkar, Sarvin Sanaie, Vahid Fattahi, Mehran Mesgari, Ata Mahmoodpoor
BACKGROUND AND AIMS: Oliguric acute kidney injury (AKI), commonly attributed to a more severe degree of renal injury, is associated with poorer prognosis than nonoliguric form. The aim of this study was to determine the effect of furosemide therapy on kidney function and on the level of neutrophil gelatinase-associated lipocalin (NGAL) in critically hospitalized patients in the Intensive Care Unit (ICU). MATERIALS AND METHODS: In this randomized controlled trial, 106 ICU patients with AKI were assigned into furosemide and control groups...
July 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28747360/cannabinoids-and-the-kidney-effects-in-health-and-disease
#10
Frank Park, Praveen K Potukuchi, Hamid Moradi, Csaba P Kovesdy
Consumption of cannabis and various related products (cannabinoids) for both medicinal and recreational use is gaining popularity. Furthermore, regulatory changes are fostering a cultural shift towards increasing liberalization of cannabis use, thereby increasing the likelihood of even larger numbers of individuals being exposed in the future. The two different types of receptors (CB1 and CB2) that are activated by the pharmacologically active ingredients of cannabis are found in numerous tissues, including the kidneys...
July 26, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28412129/acute-kidney-injury-after-burn
#11
REVIEW
Audra Clark, Javier A Neyra, Tarik Madni, Jonathan Imran, Herb Phelan, Brett Arnoldo, Steven E Wolf
Acute kidney injury (AKI) is a common and morbid complication after severe burn, with an incidence and mortality as high as 30% and 80%, respectively. AKI is a broad clinical condition with many etiologies, which makes definition and diagnosis challenging. The most recent Kidney Disease: Improving Global Outcomes (KDIGO) consensus guidelines defined stage and severity of AKI based on changes of serum creatinine and urine output (UOP) across time. Burn-related kidney injury is typically classified as early (0-3days after injury) or late (4-14days after injury)...
August 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28289910/acid-base-disturbances-in-nephrotic-syndrome-analysis-using-the-co2-hco3-method-traditional-boston-model-and-the-physicochemical-method-stewart-model
#12
Tomomichi Kasagi, Hirokazu Imai, Naoto Miura, Keisuke Suzuki, Masabumi Yoshino, Hironobu Nobata, Takuhito Nagai, Shogo Banno
BACKGROUND: The Stewart model for analyzing acid-base disturbances emphasizes serum albumin levels, which are ignored in the traditional Boston model. We compared data derived using the Stewart model to those using the Boston model in patients with nephrotic syndrome. METHODS: Twenty-nine patients with nephrotic syndrome and six patients without urinary protein or acid-base disturbances provided blood and urine samples for analysis that included routine biochemical and arterial blood gas tests, plasma renin activity, and aldosterone...
March 13, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28704915/treatment-of-diabetic-kidney-disease-current-and-future-targets
#13
REVIEW
Mi-Kyung Kim
Diabetic kidney disease (DKD) is a leading cause of end-stage renal disease in Korea and worldwide, and is a risk factor for the development of cardiovascular complications. The conventional treatments for DKD are control of blood glucose and blood pressure levels by inhibiting the renin-angiotensin system. However, the prevalence of DKD continues to increase and additional therapies are required to prevent or ameliorate the condition. Many drugs have been, or are being, developed to target the molecular mechanisms in play in DKD...
July 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28674842/clinical-relevance-and-predictive-value-of-damage-biomarkers-of-drug-induced-kidney-injury
#14
Sandra L Kane-Gill, Pamela L Smithburger, Kianoush Kashani, John A Kellum, Erin Frazee
Nephrotoxin exposure accounts for up to one-fourth of acute kidney injury episodes in hospitalized patients, and the associated consequences are as severe as acute kidney injury due to other etiologies. As the use of nephrotoxic agents represents one of the few modifiable risk factors for acute kidney injury, clinicians must be able to identify patients at high risk for drug-induced kidney injury rapidly. Recently, significant advancements have been made in the field of biomarker utilization for the prediction and detection of acute kidney injury...
July 3, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28648436/angiotensin-converting-enzyme-inhibitors-and-receptor-blockers-in-heart-failure-and-chronic-kidney-disease-demystifying-controversies
#15
REVIEW
Kader Muneer, Anishkumar Nair
In clinical setting, congestive heart failure (CHF) and chronic kidney disease (CKD) often co-exist in patients due to common underlying predisposing factors. An intricate equilibrium between the cardiovascular and renal system is maintained through rennin angiotensin-aldosterone axis and autonomic nervous system. Consequent to favorable hemodynamic modification, angiotensin converting enzyme inhibitors (ACEI) and angiotensin receptor blocking (ARB) therapy have proven to be an indispensable aspect of heart failure management with morbidity and mortality benefit...
May 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28581677/interplay-of-volume-blood-pressure-organ-ischemia-residual-renal-function-and-diet-certainties-and-uncertainties-with-dialytic-management
#16
REVIEW
Ercan Ok, Nathan W Levin, Gulay Asci, Charles Chazot, Huseyin Toz, Mehmet Ozkahya
Extracellular fluid volume overload and its inevitable consequence, hypertension, increases cardiovascular mortality in the long term by leading to left ventricular hypertrophy, heart failure, and ischemic heart disease in dialysis patients. Unlike antihypertensive medications, a strict volume control strategy provides optimal blood pressure control without need for antihypertensive drugs. However, utilization of this strategy has remained limited because of several factors, including the absence of a gold standard method to assess volume status, difficulties in reducing extracellular fluid volume, and safety concerns associated with reduction of extracellular volume...
June 5, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28682038/-hepato-renal-syndrome
#17
Luca Di Lullo, Claudio Ronco, Vincenzo Barbera, Francesca Santoboni, Antonio Bellasi
Hepatic and kidney failure are often closely linked (Hepato-Renal Sindrome - HRS). Acute kidney injury (AKI) represents a well-known complication of liver or biliary tract disease. Pathophysiology of HRS is still not completely clear. At this stage we know the biological pathways of several kidney abnormalities in end stage liver disease patients. At the same time patient's prognosis is poor with bad outcomes despite the reversible nature of the kidneys' involvement. Liver transplantation represents the ultimate treatment for HRS patients...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28686196/protective-role-for-antioxidants-in-acute-kidney-disease
#18
REVIEW
Joanne M Dennis, Paul K Witting
Acute kidney injury causes significant morbidity and mortality in the community and clinic. Various pathologies, including renal and cardiovascular disease, traumatic injury/rhabdomyolysis, sepsis, and nephrotoxicity, that cause acute kidney injury (AKI), induce general or regional decreases in renal blood flow. The ensuing renal hypoxia and ischemia promotes the formation of reactive oxygen species (ROS) such as superoxide radical anions, peroxides, and hydroxyl radicals, that can oxidatively damage biomolecules and membranes, and affect organelle function and induce renal tubule cell injury, inflammation, and vascular dysfunction...
July 7, 2017: Nutrients
https://www.readbyqxmd.com/read/22287700/medical-management-of-hepatorenal-syndrome
#19
REVIEW
Andrew Davenport, Jawad Ahmad, Ali Al-Khafaji, John A Kellum, Yuri S Genyk, Mitra K Nadim
Hepatorenal syndrome (HRS) is defined as the occurrence of renal dysfunction in a patient with end-stage liver cirrhosis in the absence of another identifiable cause of renal failure. The prognosis of HRS remains poor, with a median survival without liver transplantation of <6 months. However, understanding the pathogenesis of HRS has led to the introduction of treatments designed to increase renal perfusion and mean arterial blood pressure using vasopressors and albumin, which has led to improvement in renal function in ∼50% of patients...
January 2012: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/26242585/intravenous-fenoldopam-for-acute-kidney-injury
#20
LETTER
Yi Liu, Fu Shan Xue, Rui Ping Li
No abstract text is available yet for this article.
December 2015: Journal of Anesthesia
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