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A Le, B Couturier, E Cogan, F Vandergheynst
INTRODUCTION: Hypercalcemia is a common pathological condition in clinical practice. The two most common causes are primary hyperparathyroidism and cancer. SIADH is often encountered in cancer cases and is the most common cause of hyponatremia. The aim of this study is to evaluate serum sodium levels in a cohort of patients with hypercalcemia and consider its predictive value in determining the origin of this hypercalcemia. MATERIALS AND METHODS: We performed a retrospective study on a series of 15...
2018: Revue Médicale de Bruxelles
François Gaillard, Thierry Petitclerc
BACKGROUND: Isonatric hemodialysis aims at maintaining stable cellular hydration through a close control of natremia, considered a surrogate of tonicity. However, 2 methods are available to perform isonatric hemodialysis: one based on natremia derived from plasma conductivity (NaCond) and the other based on natremia measured at laboratory (NaLab). We compared the control of tonicity obtained by isonatric hemodialysis based on NaLab or NaCond. METHODS: Changes in tonicity NaLab and NaCond were recorded during 55 hemodialysis sessions...
2018: Blood Purification
Alexander K Forward, Holger A Volk, Steven De Decker
OBJECTIVE: To describe survival and early postoperative outcome after intracranial surgery in dogs. STUDY DESIGN: Retrospective case series. ANIMALS: Fifty client-owned dogs that underwent intracranial surgery. METHODS: Records were searched and analyzed for dogs that underwent intracranial surgery between 2005 and 2015. Signalment, clinical presentation, neurological deficits, concurrent medical conditions, laboratory data, diagnosis, administration of perioperative glucocorticoids or antiepileptic drugs, and specific imaging, surgical, and anesthetic variables were recorded...
March 30, 2018: Veterinary Surgery: VS
Madina Sifi, Roza Benabdesselam, Sabrina Souttou, Tiziana Annese, Alvaro Rendon, Beatrice Nico, Latifa Dorbani-Mamine
Dystrophin (Dp) is a multidomain protein that links the actin cytoskeleton to the extracellular matrix through the dystrophin associated proteins complex (DAPC). Dp of 71 kDa (Dp71), corresponding to the COOH-terminal domain of dystrophin, and α1-syntrophin (α1Syn) as the principal component of the DAPC, are strongly expressed in the brain. To clarify their involvement in the central control of osmotic homeostasis, we investigated the effect of 14 days of salt loading (with drinking water containing 2% NaCl) and then reversibly to 30 days of normal hydration (with drinking water without salt), first on the expression by western-blotting and the distribution by immunochemistry of Dp71 and α1Syn in the SON of the rat and, second, on the level of some physiological parameters, as the plasma osmolality, natremia and hematocrit...
April 2018: Acta Histochemica
Francesc Formiga, David Chivite, Ariadna Brasé, Irene Petit, Rafael Moreno-Gonzalez, Jose Carlos Arévalo-Lorido, Xavier Corbella
Objective Admission hyponatremia is related to poor outcomes in patients with heart failure (HF). Few studies have examined the influence of hyponatremia in the prognosis of HF patients without previous admissions. Our aim is to determine whether baseline hyponatremia predicts worse outcomes in a cohort of real-world HF patients admitted because of a first episode of acute HF. Methods We reviewed the medical records of 985 patients >50 years of age admitted within a two-year period for a first episode of decompensation of HF...
January 25, 2018: Acta Clinica Belgica
O Boyer, V Baudouin, E Bérard, C Dossier, V Audard, V Guigonis, I Vrillon
Nephrotic syndrome (NS) is defined by massive proteinuria and hypoalbuminemia, with resulting hyperlipidemia and edema. The most common cause of NS in children is idiopathic nephrotic syndrome (INS), also called nephrosis. Its annual incidence has been estimated to 1-4 per 100,000 children and varies with age, race, and geography. Many agents or conditions have been reported to be associated with INS such as infectious diseases, drugs, allergy, vaccinations, and malignancies. The disease may occur during the 1st year of life, but it usually starts between the ages of 2 and 7 years...
December 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
Massimo Iacoviello, Francesco Monitillo, Gaetano Citarelli, Marta Leone, Dario Grande, Valeria Antoncecchi, Caterina Rizzo, Paola Terlizzese, Roberta Romito, Pasquale Caldarola, Marco Matteo Ciccone
AIM OF THE STUDY: To evaluate whether right ventriculo-arterial coupling obtained by the estimation of the two-dimensional right ventricular (RV) longitudinal strain and of the pulmonary arterial systolic pressure (PASP) could improve prognostic stratification of chronic heart failure (CHF) outpatients. METHODS: CHF outpatients in a stable clinical condition and in conventional therapy were enrolled. The global RV longitudinal strain (RV-GLS) and the strain of the RV free wall (RV-fwLS) were evaluated...
August 15, 2017: International Journal of Cardiology
Philippe Braconnier, Marc Delforge, Maria Garjau, Karl Martin Wissing, Stéphane De Wit
BACKGROUND: Hyponatremia is a frequent electrolyte disorder in HIV-infected patients with a prevalence of up to 56% in the pre-cART era. Several studies have demonstrated that patients with hyponatremia are at an increased risk of death. We aimed to investigate the prevalence of hyponatremia in the recent cART-era and evaluate its association with mortality. METHODS: Single-center retrospective cohort study. A total of 1196 newly diagnosed and cART-naïve HIV patients followed at the AIDS Reference Center, St Pierre University Hospital in Brussels, Belgium, between 1 January 1998 and 31 December 2013 were included...
January 26, 2017: BMC Infectious Diseases
Massimo Cirillo
The European Medicines Agency approved tolvaptan to slow cyst growth and renal failure progression in adults with ADPKD, glomerular filtration 60 mL/min x 1.73 m2 and rapidly progressive disease. In a multicenter 3-year study, conducted on 1,445 patients with non-genotyped ADPKD, ages 18-50 years, predicted creatinine clearance 60 mL/min and kidney total volume 750 mL, tolvaptan slowed kidney failure progression (-23%-46% for different objectives) and reduced kidney volume increase and pain without effects on hypertension and albuminuria...
September 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
Frédéric Vandergheynst, Yannick Gombeir, Flavio Bellante, Gaetano Perrotta, Gauthier Remiche, Christian Mélot, Nicolas Mavroudakis, Guy Decaux
BACKGROUND: Hyponatremia is associated with unstable gait and propensity to falls. The potential contribution of peripheral nervous system dysfunction induced by hyponatremia has not yet been addressed by prospective studies. DESIGN: In the first part of this prospective study, we performed two tests evaluating muscle strength (grip test and quadriceps isometric contraction test) together with a timed up and go (TUG) test in 11 patients with chronic mild-to-moderate hyponatremia before and after the normalization of natremia...
April 2016: European Journal of Clinical Investigation
Ross S Cairns, Tamara Hew-Butler
PURPOSE: It is not known if exercise-associated hyponatremia (EAH) is a cause or consequence of exertional rhabdomyolysis (ER).We hypothesized that osmotic stress (EAH) coupled with mechanical stress (running) potentiated muscle cell breakdown (ER). This concept would be supported if a nadir in serum sodium concentration ([Na(+)]) temporally preceded peak creatine kinase levels (CK) during an ultramarathon run. METHODS: Fifteen participants ran ≥104 km and had blood drawn: prior to start; 53; 104 km; and 24-h post run...
March 2016: European Journal of Applied Physiology
A V Smirnov, R V Golubev, A N Vasiliev, A Yu Zemchenkov, K G Staroselsky
AIM: To assess the results of using an acetate-free succinate-containing dialyzing solution (SDS) against natremia and blood pressure (BP) in patients on chronic hemodialysis (HD). SUBJECTS AND METHODS: Ninety-two patients were transferred from 3 Saint Petersburg HD centers to 3-month HD treatment using SDS. The investigators measured blood biochemical indicators immediately before and 1 and 3 months after the investigation, BP before and after a successive HD session, and the patients' weight and its gain in the period between HD sessions...
2015: Terapevticheskiĭ Arkhiv
Mikhael Giabicani, Pierre-Gildas Guitard, Dominique Guerrot, Steven Grangé, Lauranne Teule, Bertrand Dureuil, Benoît Veber
Extreme hypernatremia in intensive care unit are frequently associated with a poor prognosis and their treatment, when associated with acute renal failure, is not consensual. We report the case of a 39-year-old man admitted in our intensive care unit for coma who presented extreme hyperosmolar hypernatremia (sodium 180 mmol/L, osmolarity 507 mOsm/L) associated with acute renal failure (urea 139.3 mmol/L, creatinine 748 μmol/L) and many other metabolic abnormalities. He was treated with hypotonic fluid administration and continuous renal replacement therapy (veno-venous hemodiafiltration) using an industrial dialysate fluid...
November 2015: Néphrologie & Thérapeutique
Luis Nogueira-Silva, Anne Blanchard, Emmanuel Curis, Aurélien Lorthioir, Valentina Zhygalina, Damien Bergerot, Stéphanie Baron, Laurence Amar, Guillaume Bobrie, Pierre-François Plouin, Joël Ménard, Michel Azizi
CONTEXT: The role of vasopressin (AVP) in the pathophysiology of primary aldosteronism (PA) remains unclear. OBJECTIVES: The primary aim of this study was to investigate AVP secretion in PA by measuring the plasma concentration of copeptin (PCop), the C-terminal portion of provasopressin. The secondary aim was to assess renal sensitivity to AVP. DESIGN AND SETTING: This was a cross-sectional study in a tertiary-care hospital. PROTOCOL: We recruited 115 patients with PA, 48 patients with essential hypertension (EH), and 108 normotensive healthy subjects (HS)...
September 2015: Journal of Clinical Endocrinology and Metabolism
François Gaillard, Sophie Laplanche, Thierry Petitclerc
PURPOSE: Natremia is usually considered to reflect tonicity in non-hemodialyzed patients. Some hemodialysis monitors provide an online value (NaCond) of natremia calculated from conductivity measurements. This study compared the relation between tonicity and natremia (NaLab) measured at laboratory with the relation between tonicity and NaCond in hemodialysis patients. METHODS: Fifty-five hemodialysis sessions performed with a Fresenius 5008 dialysis monitor (Fresenius Medical Care, Bad Homburg, Germany) providing a value of NaCond were analyzed...
May 2015: International Journal of Artificial Organs
Olivier Hanon, Clemence Boully, Laure Caillard, Florian Labourée, Sophie Cochiello, Edouard Chaussade
BACKGROUND: Combination treatments for hypertension most often include a renin-angiotensin-aldosterone system (RAAS) inhibitor. However, systolic blood pressure (SBP) remains difficult to control. Non-RAAS-inhibiting strategies such as calcium channel blocker/thiazide-like diuretic combinations may offer effective alternatives. METHODS: Hypertensive diabetic patients with microalbuminuria were included in this retrospective, post-hoc analysis of the Natrilix SR Versus Enalapril Study in Hypertensive Type 2 Diabetics With MicrOalbuminuRia (NESTOR) trial if they were uncontrolled on monotherapy (indapamide slow release (SR) 1...
August 2015: American Journal of Hypertension
Martin Svaton, Ondrej Fiala, Milos Pesek, Frantisek Bruha, Petr Mukensnabl, Jaroslav Racek, Marek Minarik, Zdenek Bortlicek
BACKGROUND: Hyponatremia is a well-known phenomenon in cancer patients. The aim of our retrospective study was to assess the relationship of natremia levels to predict treatment with erlotinib and also to assess the prognosis of patients with hyponatremia. PATIENTS AND METODS: We analyzed data of 544 patients with advanced-stage non-small cell lung cancer (NSCLC) treated with erlotinib. RESULTS: Hyponatremia was measured in 21.5 % of patients before treatment with erlotinib...
December 2014: Anticancer Research
George Liamis, Evangelos Liberopoulos, Fotios Barkas, Moses Elisaf
Diabetic patients frequently develop a constellation of electrolyte disorders. These disturbances are particularly common in decompensated diabetics, especially in the context of diabetic ketoacidosis or nonketotic hyperglycemic hyperosmolar syndrome. These patients are markedly potassium-, magnesium- and phosphate-depleted. Diabetes mellitus (DM) is linked to both hypo- and hyper-natremia reflecting the coexistence of hyperglycemia-related mechanisms, which tend to change serum sodium to opposite directions...
October 16, 2014: World Journal of Clinical Cases
Mirza Faisal Ahmed Rafiq, Noor Ahmed, Adil Aziz Khan
BACKGROUND: Electrolyte derangements are common sequel of traumatic brain injury. Use of intravenous fluids, diuretics, syndrome of inappropriate ADH secretion and cerebral salt washing are some of the factors responsible for this. Proper in time detection followed by appropriate treatment not only improves neurological status but also decrease morbidity and mortality. This study was conducted to know serum derangements of different electrolytes in patients with traumatic brain injury...
January 2013: Journal of Ayub Medical College, Abbottabad: JAMC
Dana Maresova, Petr Kozler, Jaroslav Pokorny
OBJECTIVES: Our previous experiments with animal models revealed that water intoxication induces brain oedema and opens plasma membranes. Present study is aimed to determine whether the standard method of hyperhydration can influence cerebral microenvironment also in young rats. Neuronal functions were tested by standard electrical cortical stimulation. METHODS: Hyperhydration was induced by administration of distilled water (DW) intraperitoneally. Three groups of young rats were used: 12, 25, and 35-day-old...
2014: Neuro Endocrinology Letters
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