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Electrolyte disturbances

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https://www.readbyqxmd.com/read/28527242/-small-cell-lung-cancer-associated-with-multiple-paraneoplastic-syndromes
#1
Diana L Franco, Leslie Thomas
We report the case of a patient presenting with multiple severe electrolyte disturbances who was subsequently found to have small cell lung cancer. Upon further evaluation, she demonstrated three distinct paraneoplastic processes, including the syndrome of inappropriate antidiuretic hormone, Fanconi syndrome, and an inappropriate elevation in fibroblast growth factor-23 (FGF23). The patient underwent one round of chemotherapy, but she was found to have progressive disease. After 36 days of hospitalization, the patient made the decision to enter hospice care and later she expired...
January 24, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28504610/mind-the-gap-shortcomings-of-the-osmotic-gap-and-a-possible-solution
#2
Urs Wilgen, Carel J Pretorius, Jacobus Pj Ungerer
Background Measured (MO) and calculated osmotic concentrations (CO) and the osmotic gap (OG) are commonly used in the investigation of electrolyte and volume disturbances as well as in cases of suspected volatile ingestion. Methods We compared 38 published formulae for CO with MO on a large data-set ( n = 9466) and adjusted the CO with the result of a Passing-Bablok regression procedure. Validation of this adjustment was performed with a separate data-set ( n = 2082). Results All but one of the CO formulae underestimate MO due to a proportional bias (slope 0...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28501971/electrolyte-and-acid-base-disturbances-in-end-stage-liver-disease-a-physiopathological-approach
#3
REVIEW
José Víctor Jiménez, Diego Luis Carrillo-Pérez, Rodrigo Rosado-Canto, Ignacio García-Juárez, Aldo Torre, David Kershenobich, Eduardo Carrillo-Maravilla
Electrolyte and acid-base disturbances are frequent in patients with end-stage liver disease; the underlying physiopathological mechanisms are often complex and represent a diagnostic and therapeutic challenge to the physician. Usually, these disorders do not develop in compensated cirrhotic patients, but with the onset of the classic complications of cirrhosis such as ascites, renal failure, spontaneous bacterial peritonitis and variceal bleeding, multiple electrolyte, and acid-base disturbances emerge. Hyponatremia parallels ascites formation and is a well-known trigger of hepatic encephalopathy; its management in this particular population poses a risky challenge due to the high susceptibility of cirrhotic patients to osmotic demyelination...
May 13, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28500261/osmotic-demyelination-syndrome-in-type-1-diabetes-in-the-absence-of-dyselectrolytaemia-an-overlooked-complication
#4
Chandramohan Sharma, Banshi Lal Kumawat, Maulik Panchal, Mohit Shah
Central pontine myelinolysis (CPM) is a demyelinating disorder of central nervous system which involves central portion of the pons and sometimes extrapontine areas also. It is commonly reported in settings of hyponatraemia or its rapid correction, but in the last few years it has also been reported in patients with diabetes in the absence of electrolyte disturbances or correction of serum osmolality. Here we report a case of a 20-year-old female patient, with a known history of type 1 diabetes mellitus, who presented with acute onset spastic quadriparesis with dysarthria and mild ataxia which evolved over 2 weeks...
May 12, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28491316/pituitary-abscess-in-an-hiv-1-infected-patient
#5
Hiroyuki Yamazaki, Masayuki Kobayashi, Anamaria Daniela Sarca, Akifumi Takaori-Kondo
OBJECTIVES: Pituitary abscess is a rare occurrence among pituitary conditions, but one which carries life-threatening potential. An immunocompromised status is a risk factor for the development of a pituitary abscess; however, literature describes only one case among HIV-infected patients. METHODS AND RESULTS: We present here a case of pituitary abscess in an HIV-1-positive patient, who demonstrated a shock status, disturbance of consciousness and generalized skin rash with laboratory findings of hypovolemia, acute inflammatory reaction and blood electrolyte abnormality...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28478876/metabolic-and-electrolyte-abnormalities-related-to-use-of-bowel-in-urologic-reconstruction
#6
REVIEW
Amanda N Squiers, Karleena Twitchell
Many urologic reconstructive techniques involve the use of autologous bowel for urinary diversion and bladder augmentation. The resection of bowel and its reimplantation into the urinary system often comes with a variety of metabolic and electrolyte derangements, depending on the type of bowel used and the quantity of urine it is exposed to in its final anatomic position. Clinicians should be aware of these potential complications due to the serious consequences that may result from uncorrected electrolyte disturbances...
June 2017: Nursing Clinics of North America
https://www.readbyqxmd.com/read/28474100/tumour-genesis-syndrome-severe-hypophosphatemia-and-hypokalemia-may-be-ominous-presenting-findings-in-childhood-acute-myeloid-leukaemia
#7
Winnie Ky Chan, Kai O Chang, Wing Hung Lau
We report a 16-year-old girl who was diagnosed with acute leukaemia and a marked leucocytosis >200 × 10(9)/L. She presented with marked hypophosphatemia, hypokalemia, acute renal failure and acute respiratory failure. These electrolytes disturbances may indicate rapid tumour genesis. These ominous findings required urgent treatment to halt the crises of rapid leukemic cell proliferation. CONCLUSION: Mark hypophosphatemia and hypokalemia may be presenting electrolyte abnormalities in a patient with acute leukaemia, and these may be indicators of aggressive tumour genesis...
May 4, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28473024/-prehospital-arterial-blood-gas-analysis-after-collapse-connected-to-triathlon-participation
#8
Asbjørn Ettrup-Christensen, Louise Amstrup-Hansen, Stine T Zwisler
Long-distance athletes are at risk of serious fluid and electrolyte disturbances, such as hypernatraemia (dehydration). Recently, cases of serious morbidity have been reported, due to acute exercise-associated hyponatraemia, which can advance to encephalopathy. An arterial blood gas analysis (ABG) was drawn from collapsed athletes at the championship of full-distance triathlon 2015, and different electrolyte imbalances were found. Our findings show that prehospital ABG can assist in differentiating the cause of collapse, and presumably, targeted treatment can be initiated already on scene...
May 1, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28458891/severe-symptomatic-hyponatremia-associated-with-the-use-of-polyethylene-glycol-based-bowel-preparation
#9
Navira Samad, Ian Fraser
SUMMARY: Colonoscopy is a useful tool in modern medicine and is increasingly employed for both diagnostic and treatment reasons. However, its effectiveness is highly reliant on the quality of bowel cleansing. Among different bowel-cleansing agents available, PEG (polyethylene glycol) is considered to be the safest cleansing agent, especially in relation to fluid and electrolyte problems. We present here a case of severe symptomatic hyponatremia that developed after the use of PEG for an elective colonoscopy...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28458890/cerebral-salt-wasting-following-traumatic-brain-injury
#10
Peter Taylor, Sasan Dehbozorgi, Arshiya Tabasum, Anna Scholz, Harsh Bhatt, Philippa Stewart, Pranav Kumar, Mohd S Draman, Alastair Watt, Aled Rees, Caroline Hayhurst, Stephen Davies
SUMMARY: Hyponatraemia is the most commonly encountered electrolyte disturbance in neurological high dependency and intensive care units. Cerebral salt wasting (CSW) is the most elusive and challenging of the causes of hyponatraemia, and it is vital to distinguish it from the more familiar syndrome of inappropriate antidiuretic hormone (SIADH). Managing CSW requires correction of the intravascular volume depletion and hyponatraemia, as well as mitigation of on-going substantial sodium losses...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28451347/contact-electrification-induced-interfacial-reactions-and-direct-electrochemical-nanoimprint-lithography-in-n-type-gallium-arsenate-wafer
#11
Jie Zhang, Lin Zhang, Wei Wang, Lianhuan Han, Jing-Chun Jia, Zhao-Wu Tian, Zhong-Qun Tian, Dongping Zhan
Although metal assisted chemical etching (MacEtch) has emerged as a versatile micro-nanofabrication method for semiconductors, the chemical mechanism remains ambiguous in terms of both thermodynamics and kinetics. Here we demonstrate an innovative phenomenon, i.e., the contact electrification between platinum (Pt) and an n-type gallium arsenide (100) wafer (n-GaAs) can induce interfacial redox reactions. Because of their different work functions, when the Pt electrode comes into contact with n-GaAs, electrons will move from n-GaAs to Pt and form a contact electric field at the Pt/n-GaAs junction until their electron Fermi levels (EF) become equal...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28448323/hyperkalemia-after-laparoscopic-nephrectomy-in-patients-with-renal-insufficiency-a-case-report
#12
Frank J Penna, Hiep T Nguyen, Constance S Houck
Laparoscopic surgery is an evolving surgical modality in children, which has been applied to increasingly more complex surgeries and patients, including patients with renal insufficiency. These patients are particularly susceptible to the challenges that laparoscopy imposes on their altered physiology, leading to marked electrolyte disturbances, including metabolic acidosis and hyperkalemia. Hyperkalemia has the potential for marked impairment of cardiac conduction. We report 2 cases where significant, potentially lethal hyperkalemia developed during laparoscopic nephrectomy in adolescents with renal insufficiency...
April 26, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28432604/phosphate-imbalance-in-patients-with-heart-failure
#13
REVIEW
E C Christopoulou, T D Filippatos, E Megapanou, M S Elisaf, G Liamis
Patients with heart failure often exhibit electrolyte abnormalities, such as hyponatremia or hypokalemia/hyperkalemia. Although not as common as the other electrolyte disturbances observed in patients with heart failure, phosphate imbalance is also of high importance in this population. The aim of this review is to present the mechanisms of low or high phosphate serum levels in patients with heart failure and its role in the pathogenesis and progression of heart dysfunction. Hypophosphatemia in patients with heart failure may be the result of co-existing electrolyte and acid-base abnormalities, pharmacological treatments, decreased intestinal absorption or secondary to sympathetic nervous system activation and co-morbidities, such as diabetes mellitus or heavy alcohol consumption...
April 22, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28428757/circadian-rhythm-in-kidney-tissue-oxygenation-in-the-rat
#14
Tonja W Emans, Ben J Janssen, Jaap A Joles, C T Paul Krediet
Blood pressure, renal hemodynamics, electrolyte, and water excretion all display diurnal oscillation. Disturbance of these patterns is associated with hypertension and chronic kidney disease. Kidney oxygenation is dependent on oxygen delivery and consumption that in turn are determined by renal hemodynamics and metabolism. We hypothesized that kidney oxygenation also demonstrates 24-h periodicity. Telemetric oxygen-sensitive carbon paste electrodes were implanted in Sprague-Dawley rats (250-300 g), either in renal medulla (n = 9) or cortex (n = 7)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28348901/addison-s-disease-and-possible-cannabis-withdrawal-syndrome-presenting-as-an-eating-disorder-in-a-thirty-year-old-female
#15
Kimberly Lazare
A 30-year-old female with a history of anxiety, cannabis use, and Avoidant/Restrictive Food Intake Disorder presented for residential treatment of a Cannabis Use Disorder. Upon arrival, she had not eaten for two days and was found to be hypotensive with electrolyte disturbances. She was admitted to a nearby hospital, where the Internist diagnosed her with Addison's disease. She was treated with corticosteroid therapy, with rapid normalization of her electrolytes, eating, and anxiety. This is the first published case of undiagnosed Addison's disease presenting as an eating disorder, with cannabis use likely contributing to symptoms...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28347943/the-association-between-sodium-fluctuations-and-mortality-in-surgical-patients-requiring-intensive-care
#16
Dominic C Marshall, Justin D Salciccioli, Ross J Goodson, Marco A Pimentel, Kristi Y Sun, Leo Anthony Celi, Joseph Shalhoub
PURPOSE: Serum sodium derangement is the most common electrolyte disturbance among patients admitted to intensive care. This study aims to validate the association between dysnatremia and serum sodium fluctuation with mortality in surgical intensive care patients. METHOD: We performed a retrospective analysis of the Medical Information Mart for Intensive Care II database. Dysnatremia was defined as a sodium concentration outside physiologic range (135-145mmol/L) and subjects were categorized by severity of dysnatremia and sodium fluctuation...
February 13, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28343443/lacosamide-induced-recurrent-ventricular-tachycardia-in-the-acute-care-setting
#17
Theodore J Berei, Matthew P Lillyblad, Adrian K Almquist
Lacosamide is a new-generation antiepileptic drug (AED) most commonly used adjunctively in the setting of partial-onset seizures refractory to traditional therapy. We describe the first case report, to our knowledge, of a patient who developed recurrent, sustained ventricular tachycardia with multiple administrations of lacosamide in an acute setting. A 70-year-old woman with a history significant for valvular heart disease was admitted to the inpatient cardiology service for worsening heart failure. On hospital day 7, she received a bioprosthetic aortic valve...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28337883/evaluation-of-tolerance-and-safety-of-conversion-from-mycophenolate-mofetil-to-enteric-coated-mycophenolic-acid-in-renal-transplant-recipients
#18
L W Qiao, Q S Qu, X Jiang
This study was designed to evaluate the curative effect of conversion from mycophenolate mofetil (MMF) to enteric-coated mycophenolate sodium tablets (EC-MPS) and its safety. One hundred and twenty renal transplant recipients who developed MMF-associated chronic diarrhea were selected as research subjects and treated with EC-MPS. The patients were followed up for 12 months to compare the improvement of gastrointestinal symptoms and the indexes such as carbon dioxide combining power (CO2CP), serum sodium, serum potassium, serum creatinine (Scr) and 24-h urine protein before and after conversion treatment...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28326201/hyperkalemia-induced-brugada-phenocopy-a-rare-ecg-manifestation
#19
Muhammad Ameen, Ghulam Akbar, Naeem Abbas, Ghazi Mirrani
Brugada syndrome (BrS) is an inherited disorder of cardiac ion channels characterized by peculiar ECG findings predisposing individuals to ventricular arrhythmias, syncope, and sudden cardiac death (SCD). Various electrolyte disturbances and ion channels blocking drugs could also provoke BrS ECG findings without genetic BrS. Clinical differentiation and recognition are essential for guiding the legitimate action. Hyperkalemia is well known to cause a wide variety of ECG manifestations. Severe hyperkalemia can even cause life threatening ventricular arrhythmias and cardiac conduction abnormalities...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28323073/dietary-electrolyte-balance-affects-growth-performance-amylase-activity-and-metabolic-response-in-the-meagre-argyrosomus-regius
#20
Leonardo J Magnoni, Emilio Salas-Leiton, Maria-João Peixoto, Luis Pereira, Francisca Silva-Brito, Filipa Fontinha, José F M Gonçalves, Jonathan M Wilson, Johan W Schrama, Rodrigo O A Ozório
Dietary ion content is known to alter the acid-base balance in freshwater fish. The current study investigated the metabolic impact of acid-base disturbances produced by differences in dietary electrolyte balance (DEB) in the meagre (Argyrosomus regius), an euryhaline species. Changes in fish performance, gastric chyme characteristics, pH and ion concentrations in the bloodstream, digestive enzyme activities and metabolic rates were analyzed in meagre fed ad libitum two experimental diets (DEB 200 or DEB 700mEq/kg) differing in the Na2CO3 content for 69days...
March 16, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
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