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"Strong ion difference"

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https://www.readbyqxmd.com/read/28553873/does-fluid-resuscitation-with-balanced-solutions-induce-electrolyte-and-metabolic-abnormalities-an-in-vitro-assessment
#1
Łukasz J Krzych, Piotr F Czempik
BACKGROUND: Popular intravenous fluids in clinical use may have impact on electrolyte concentration and metabolic balance and should be considered as powerful pharmacologic agents. There is growing body of evidence that fluid therapy should be more individualized and preferably based on balanced solutions. AIM: We sought to investigate impact of three commonly used balanced fluids on electrolytes and metabolic equilibrium in an in vitro setting. METHODS: Study group comprised 32 healthy male volunteers (no history of any acute/chronic disorder or known metabolic abnormalities), aged 21-35 (29 ± 4) years, weighting 59-103 (81...
May 29, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28420042/determination-of-reference-intervals-of-acid-base-parameters-in-clinically-healthy-dogs
#2
Ivana Vanova-Uhrikova, Leona Rauserova-Lexmaulova, Kristina Rehakova, Peter Scheer, Jaroslav Doubek
OBJECTIVE: To establish reference intervals for traditionally- and Stewart's approach-determined acid-base parameters in a population of clinically healthy dogs. DESIGN: Prospective study (June 2011-September 2012). SETTING: Veterinary teaching hospital. ANIMALS: Two hundred twenty-four client-owned, clinically healthy dogs. INTERVENTIONS: Blood was collected from the jugular vein and the dorsal pedal artery...
May 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28380062/different-effects-of-fluid-loading-with-saline-gelatine-hydroxyethyl-starch-or-albumin-solutions-on-acid-base-status-in-the-critically-ill
#3
Angélique M E Spoelstra-de Man, Annemieke Smorenberg, A B Johan Groeneveld
INTRODUCTION: Fluid administration in critically ill patients may affect acid-base balance. However, the effect of the fluid type used for resuscitation on acid-base balance remains controversial. METHODS: We studied the effect of fluid resuscitation of normal saline and the colloids gelatine 4%, hydroxyethyl starch (HES) 6%, and albumin 5% on acid-base balance in 115 clinically hypovolemic critically ill patients during a 90 minute filling pressure-guided fluid challenge by a post-hoc analysis of a prospective randomized clinical trial...
2017: PloS One
https://www.readbyqxmd.com/read/28298660/hyperlactatemia-and-cardiac-surgery
#4
REVIEW
Jonathon Minton, David A Sidebotham
The normal blood lactate level is 0-2 mmol/L, and a value above 3-5 mmol/L is variably used to define hyperlactatemia. In cardiac surgical patients, hyperlactatemia can arise from both hypoxic and non-hypoxic mechanisms. The major non-hypoxic mechanism is likely stress-induced accelerated aerobic metabolism, in which elevated lactate results from a mass effect on the lactate/pyruvate equilibrium. The lactate/pyruvate ratio is normal (<20) in this circumstance. Hyperlactatemia can also result from impaired global or regional oxygen delivery, in which case the lactate/pyruvate ratio is typically elevated (>20)...
March 2017: Journal of Extra-corporeal Technology
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
#5
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/28078858/use-of-lactated-ringer%C3%A2-s-solution-does-not-eliminate-the-risk-of-strong-ion-difference-related-metabolic-acidosis-following-on-pump-cardiac-surgery
#6
LETTER
T Jovaisa, V Vicka, G Linkaitė, J Guseinovaitė, D Ringaitienė, I Norkienė
There is a growing interest in the effects of plasma sodium levels on postoperative outcomes. A trend of using balanced crystalloid solutions is based on the extensive data on chloride and the strong ion difference-related acidosis. However, effects of sodium are often overlooked in this context. The aim of the study was to establish the effects of the routine use of Lactated Ringer’s Solution (RL) on postoperative changes in sodium concentrations and whether these changes result in metabolic acidosis. We performed database analysis of 358 consecutive elective on-pump cardiac surgery cases in a tertiary referral university hospital...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28028530/acid-base-and-hemodynamic-status-of-patients-with-intraoperative-hemorrhage-using-two-solution-types-crystalloid-ringer-lactate-and-1-3-sodium-bicarbonate-in-half-normal-saline-solution
#7
Sayed Jalal Hashemi, Sayed Morteza Heidari, Ahmad Yaraghi, Reza Seirafi
BACKGROUND: Intraoperative hemorrhage is one of the problems during surgery and, if it happens in a high volume without an immediate action to control, it can be fatal. Nowadays, various injectable solutions are used. The aim of this study was to compare the acid-base and hemodynamic status of the patient using two solutions, Ringer lactate and 1.3% sodium bicarbonate, in half saline solution. MATERIALS AND METHODS: This clinical trial was performed at the Al-Zahra Hospital in 2013 on 66 patients who were randomly selected and put in two studied groups at the onset of hemorrhage...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/27990831/-clinical-evaluation-of-acid-base-status-henderson-hasselbalch-or-stewart-fencl-approach
#8
Karel Matoušovic, Jan Havlín, Otto Schück
Two approaches have been used in clinical evaluation the acid-base status: traditional (bicarbonate-centered) is based on the Henderson-Hasselbalch equation complemented by calculation of the anion gap, and more recent quantitative approach proposed by Stewart and Fencl. The latter method defines the three independent variables, which regulate pH. These include: the difference between the sum of charges carried by strong plasma cations and anions termed the strong ion difference - SID (decrease causes acidosis, and vice versa); the total concentration of the weak non-volatile acids [Atot] (inorganic phosphate and albumin, decrease causes alkalosis and vice versa), and pCO2...
2016: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/27746547/a-comparative-study-of-sterofundin-and-ringer-lactate-based-infusion-protocol-in-scoliosis-correction-surgery
#9
Ashima Sharma, Monu Yadav, B Rajesh Kumar, P Sai Lakshman, Raju Iyenger, Gopinath Ramchandran
BACKGROUND: A major change in anesthesia practice as regards to intraoperative infusion therapy is the present requirement. Switching over to balanced fluids can substantially decrease the incidence of lactic acidosis and hyperchloremic acidosis. The deleterious effects of unbalanced fluids are more recognizable during major surgeries. We prospectively studied the influence of Sterofundin (SF) and Ringer lactate (RL) on acid-base changes, hemodynamics, and readiness for extubation during scoliosis surgery...
September 2016: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/27639981/impact-of-chloride-and-strong-ion-difference-on-icu-and-hospital-mortality-in-a-mixed-intensive-care-population
#10
Niels Van Regenmortel, Walter Verbrugghe, Tim Van den Wyngaert, Philippe G Jorens
BACKGROUND: Abnormal chloride levels are commonly observed in critically ill patients, but their clinical relevance remains a matter of debate. We examined the association between abnormal chloremia and ICU and hospital mortality. To further refine findings and integrate them into the ongoing discussion on the detrimental effects of chloride-rich solutions, the impact of strong ion difference (SID) on the same end points was assessed. METHODS: Retrospective cohort study in an academic tertiary intensive care unit on 8830 adult patients who stayed at least 24 h in the ICU was carried out...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27590096/assessing-acid-base-status-physiologic-versus-physicochemical-approach
#11
Horacio J Adrogué, Nicolaos E Madias
The physiologic approach has long been used in assessing acid-base status. This approach considers acids as hydrogen ion donors and bases as hydrogen ion acceptors and the acid-base status of the organism as reflecting the interaction of net hydrogen ion balance with body buffers. In the physiologic approach, the carbonic acid/bicarbonate buffer pair is used for assessing acid-base status and blood pH is determined by carbonic acid (ie, Paco2) and serum bicarbonate levels. More recently, the physicochemical approach was introduced, which has gained popularity, particularly among intensivists and anesthesiologists...
November 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27562561/chloride-content-of-solutions-used-for-regional-citrate-anticoagulation-might-be-responsible-for-blunting-correction-of-metabolic-acidosis-during-continuous-veno-venous-hemofiltration
#12
Rita Jacobs, Patrick M Honore, Marc Diltoer, Herbert D Spapen
BACKGROUND: Citrate, the currently preferred anticoagulant for continuous veno-venous hemofiltration (CVVH), may influence acid-base equilibrium. METHODS: The effect of 2 different citrate solutions on acid-base status was assessed according to the Stewart-Figge approach in two consecutive cohorts of critically ill adult patients. The first group received Prismocitrate 10/2 (PC10/2; 10 mmol citrate/L). The next group was treated with Prismocitrate 18/0 (PC18; 18 mmol citrate/L)...
August 26, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27447787/real-time-urinary-electrolyte-monitoring-after-furosemide-administration-in-surgical-icu-patients-with-normal-renal-function
#13
Luca Zazzeron, Davide Ottolina, Eleonora Scotti, Michele Ferrari, Paola Bruzzone, Silvio Sibilla, Cristina Marenghi, Luciano Gattinoni, Pietro Caironi
BACKGROUND: Although the loop-diuretic furosemide is widely employed in critically ill patients with known long-term effects on plasma electrolytes, accurate data describing its acute effects on renal electrolyte handling and the generation of plasma electrolyte alterations are lacking. We hypothesized that the long-term effects of furosemide on plasma electrolytes and acid-base depend on its immediate effects on electrolyte excretion rate and patient clinical baseline characteristics...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27366324/a-comparison-of-prognostic-significance-of-strong-ion-gap-sig-with-other-acid-base-markers-in-the-critically-ill-a-cohort-study
#14
Kwok M Ho, Norris S H Lan, Teresa A Williams, Yusra Harahsheh, Andrew R Chapman, Geoffrey J Dobb, Sheldon Magder
BACKGROUND: This cohort study compared the prognostic significance of strong ion gap (SIG) with other acid-base markers in the critically ill. METHODS: The relationships between SIG, lactate, anion gap (AG), anion gap albumin-corrected (AG-corrected), base excess or strong ion difference-effective (SIDe), all obtained within the first hour of intensive care unit (ICU) admission, and the hospital mortality of 6878 patients were analysed. The prognostic significance of each acid-base marker, both alone and in combination with the Admission Mortality Prediction Model (MPM0 III) predicted mortality, were assessed by the area under the receiver operating characteristic curve (AUROC)...
2016: Journal of Intensive Care
https://www.readbyqxmd.com/read/27312130/hyperchloremic-acidosis-is-associated-with-acute-kidney-injury-after-abdominal-surgery
#15
Yosuke Toyonaga, Mutsuhito Kikura
AIM: Hyperchloremic acidosis may have an important role as a precursor of acute kidney injury (AKI) in the hyperchloremic environment induced by chloride-rich fluids, but this remains unclear. We tested the hypothesis that hyperchloremic acidosis assessed by the Stewart approach is associated with postoperative AKI. METHODS: A historical cohort study was conducted in adult patients who had normal renal function preoperatively and required admission to the intensive care unit after elective abdominal surgery...
June 16, 2016: Nephrology
https://www.readbyqxmd.com/read/27289617/use-of-ringer-s-lactate-solution-does-not-eliminate-the-risk-of-strong-ion-difference-related-metabolic-acidosis-following-on-pump-cardiac-surgery
#16
I Norkiene, G Linkaite, J Guseinovaite, V Vicka, D Ringaitiene, T Jovaisa
No abstract text is available yet for this article.
December 2015: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/27258049/urinary-strong-ion-difference-as-a-marker-of-renal-dysfunction-a-retrospective-analysis
#17
Paolo Balsorano, Stefano Romagnoli, Samuel Kagan Evans, Zaccaria Ricci, Angelo Raffaele De Gaudio
INTRODUCTION: The kidneys play a crucial role in the regulation of electrolytes and acid-base homeostasis. Urinary Strong Ion Difference (SIDu = NaU + KU-ClU) represents an important aspect of renal acid-base regulation. We evaluated the role of SIDu as a marker of renal dysfunction in critically ill patients. MATERIALS AND METHODS: Patients admitted to the Medical Intensive Care Unit with a diagnosis of AKI for whom concomitant urinary samples available for SIDu calculation were retrospectively reviewed and staged according to KDIGO criteria for 3 days from inclusion...
2016: PloS One
https://www.readbyqxmd.com/read/27228437/simplified-strong-ion-difference-approach-to-acid-base-balance-in-healthy-foals
#18
Judit Viu, Lara Armengou, José Ríos, Anna Muñoz, Eduard Jose-Cunilleras
OBJECTIVE: To determine the strong ion difference (SIDa ) and total nonvolatile weak buffers (ATOT ) in healthy foals during the first year of life and to compare reference biochemistry laboratory with analyzers available during emergency hours. DESIGN: Prospective study performed over 2 years. SETTING: University teaching hospital. ANIMALS: Two hundred thirty-six healthy foals distributed in 6 groups: A (21 days-2 months), B (2-3 months), C (3-6 months), D (6-9 months), E (9-12 months), and 33 neonatal foals (< 21 days old)...
July 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27096672/metabolic-acid-base-adaptation-triggered-by-acute-persistent-hypercapnia-in-mechanically-ventilated-patients-with-acute-respiratory-distress-syndrome
#19
Thiago Gomes Romano, Mario Diego Teles Correia, Pedro Vitale Mendes, Fernando Godinho Zampieri, Alexandre Toledo Maciel, Marcelo Park
OBJECTIVE: Hypercapnia resulting from protective ventilation in acute respiratory distress syndrome triggers metabolic pH compensation, which is not entirely characterized. We aimed to describe this metabolic compensation. METHODS: The data were retrieved from a prospective collected database. Variables from patients' admission and from hypercapnia installation until the third day after installation were gathered. Forty-one patients with acute respiratory distress syndrome were analyzed, including twenty-six with persistent hypercapnia (PaCO2 > 50mmHg > 24 hours) and 15 non-hypercapnic (control group)...
January 2016: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/27060812/an-observational-study-using-blood-gas-analysis-to-assess-neonatal-calf-diarrhea-and-subsequent-recovery-with-a-european-commission-compliant-oral-electrolyte-solution
#20
Ríona G Sayers, Aideen Kennedy, Lea Krump, Gearóid P Sayers, Emer Kennedy
An observational study was conducted on dairy calves (51 healthy, 31 with neonatal diarrhea) during outbreaks of diarrhea on 4 dairy farms. Clinical assessment scores (CAS) were assigned to each healthy and diarrheic calf [from 0 (healthy) to 4 (marked illness)]. Blood gas analysis [pH, base excess (BE), Na(+), K(+), Ca(2+), Cl(-), glucose, total hemoglobin, standard HCO3(-), strong ion difference (SID), and anion gap (AG)] was completed for each calf. Repeated measurements were taken in healthy animals, and pre- and postintervention measurements were taken for diarrheic calves...
June 2016: Journal of Dairy Science
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