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Venous Blood Gas

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1. Effects of dystocia on blood gas parameters, acid-base balance and serum lactate concentration in heavy draft newborn foals Full Text available with Trip Pro

Effects of dystocia on blood gas parameters, acid-base balance and serum lactate concentration in heavy draft newborn foals Dystocia is often lethal for neonatal foals; however, its clinicopathological features remain largely unknown. We investigated the effect of dystocia on the foal blood profile. Venous blood samples were collected from 35 foals (5 Percheron and 30 crossbreds between Percheron, Belgian, and Breton heavy draft horses) at 0 hr, 1 hr, 12 hr and 1 day after birth. Dystocia

2017 Journal of Equine Science

2. Acid-base assessment of post-parturient German Holstein dairy cows from jugular venous blood and urine: A comparison of the strong ion approach and traditional blood gas analysis. Full Text available with Trip Pro

Acid-base assessment of post-parturient German Holstein dairy cows from jugular venous blood and urine: A comparison of the strong ion approach and traditional blood gas analysis. Evaluating acid-base status is important for monitoring dairy herd health. In a field study, we aimed to compare the acid-base status measured by net acid-base excretion (NABE) in urine with results of venous blood analysis in clinically healthy, but possibly metabolically burdened cows in their transition period (...) theory, particularly SIDm, Atot and SIG or XA, provided more in-depth information about acid-base status than the traditional parameters BE, bicarbonate or AG in blood. The acid-base status of fresh cows with protein aberrations in blood could be differentiated in a much better way using the strong ion approach than by traditional blood gas analysis or by the measurement of urinary excretion. Therefore, the strong ion approach seems to be a suitable supplement for monitoring acid-base balance

2019 PLoS ONE

3. Venous blood gas in free-living eastern box turtles (Terrapene carolina carolina) and effects of physiologic, demographic and environmental factors Full Text available with Trip Pro

Venous blood gas in free-living eastern box turtles (Terrapene carolina carolina) and effects of physiologic, demographic and environmental factors Sustainable wildlife populations depend on healthy individuals, and the approach to determine wellness of individuals is multifaceted. Blood gas analysis serves as a useful adjunctive diagnostic test for health assessment, but it is uncommonly applied to terrestrial reptiles. This study established reference intervals for venous blood gas panels (...) in free-living eastern box turtles (Terrapene carolina carolina, N = 102) from Illinois and Tennessee, and modeled the effects of environmental and physiologic parameters on each blood gas analyte. Blood gas panels included pH, partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), total carbon dioxide (TCO2), bicarbonate (HCO3-), base excess (BE) and lactate. Candidate sets of general linear models were constructed for each blood gas analyte and ranked using an information

2018 Conservation physiology

4. Calculated arterial blood gas values from a venous sample and pulse oximetry: Clinical validation. Full Text available with Trip Pro

Calculated arterial blood gas values from a venous sample and pulse oximetry: Clinical validation. Arterial blood gases (ABG) are essential for assessment of patients with severe illness, but sampling is difficult in some settings and more painful than for peripheral venous blood gas (VBG). Venous to Arterial Conversion (v-TAC; OBIMedical ApS, Denmark) is a method to calculate ABG values from a VBG and pulse oximetry (SpO2). The aim was to validate v-TAC against ABG for measuring pH, carbon (...) kPa), v-TAC had sensitivity 100%, specificity 93.8% and accuracy 97%. The accuracy of v-TAC for detecting hypoxemia (PaO2<8.0 kPa) was comparable to that of pulse oximetry. Agreement with ABG was higher for v-TAC than for VBG for all analyses.Calculated arterial blood gases (v-TAC) from a venous sample and pulse oximetry were comparable to ABG values and may be useful for evaluation of blood gases in clinical settings. This could reduce the logistic burden of arterial sampling, facilitate improved

2019 PLoS ONE

5. Capillary and venous lactate measurements with a handheld device compared to venous blood-gas analysis for emergency patients. Full Text available with Trip Pro

Capillary and venous lactate measurements with a handheld device compared to venous blood-gas analysis for emergency patients. Early identification of lactate levels may have a large impact on triage classification and assist in identifying critically ill patients. A handheld device provides a rapid and timesaving measurement of lactate levels adapted to work in a prehospital care setting. I.e., the device is small, fast, and easy-to-use. The aim of this study was to evaluate the Accutrend Plus (...) handheld lactate analyzer in comparison to the reference in-hospital method.Patients triaged as minimum yellow according to the RETTS System (Rapid Emergency Triage and Treatment System) and transported to hospital by ambulance were selected and a written consent to participate was obtained prior to inclusion in the study. Capillary (CAP) and venous (VEN) blood were analyzed with Accutrend Plus (AP). Venous blood samples were analyzed at the local hospital laboratory (GEM premier 4000) within 20 min

2018 Scandinavian journal of trauma, resuscitation and emergency medicine

6. Prediction of arterial blood gas values from venous blood gas values in Asiatic black bears (Ursus thibetanus) anesthetized with intramuscular medetomidine and zolazepam-tiletamine Full Text available with Trip Pro

Prediction of arterial blood gas values from venous blood gas values in Asiatic black bears (Ursus thibetanus) anesthetized with intramuscular medetomidine and zolazepam-tiletamine The objective of this study was to measure differences between arterial and venous blood gas parameters and to evaluate whether arterial blood gas values can be estimated from venous blood in Asiatic black bears (ABBs). Twelve healthy captive ABBs (8 males and 4 females; 8-16 years; 76.8-220 kg) were included (...) in this study. The bears were immobilized with medetomidine and zolazepam-tiletamine using a dart gun. Arterial and venous samples were collected simultaneously at 5 and 35 min after recumbency (5- and 35-min points). Partial pressure of oxygen (PO2), partial pressure of carbon dioxide (PCO2), pH, bicarbonate (HCO3-), total carbon dioxide (TCO2), oxygen saturation of hemoglobin (SO2) and base excess (BEecf) were analyzed using a portable blood gas analyzer. There was no marked difference in measured

2017 The Journal of Veterinary Medical Science

7. In patients presenting with an exacerbation of COPD can a normal venous blood gas pCO2 rule out arterial hypercarbia?

they do not need an ABG to exclude hypercarbia. References Elborn JS, Finch MB, Stanford CF. Non-arterial assessment of blood gas status in patients with chronic pulmonary disease. The Ulster Med J 1991; 60(2): 164-167. Rang LCF, Murray HE, Wells GA, MacGougan CK. Can peripheral venous blood gases replace arterial blood gases in emergency department patients? CJEM 2002;4(1): 7-15. Kelly AM, Kyle E, McAlpine R. Venous pCO2 and pH can be used to screen for significant hypercarbia in emergency patients (...) and venous blood gases analysis in patients with exacerbation of chronic obstructive pulmonary disease Saudi Med J 2007; 28(6): 862-865. Lim BL, Kelly AM. A meta-analysis on the utility of peripheral venous blood gas analysis in exacerbations of chronic obstructive pulmonary disease in the emergency department Eur J Emerg Med 2010; 17: 246-248. Ibrahim I, Ooi SBS, Huak CY, Sethi S. Point-of-care bedside gas analyzer: limited use of venous pCO2 in emergency patients J Emerg Med 2011 41(2): 117-123

2015 BestBETS

8. Effect of blood collection by the push-pull technique from an indwelling catheter versus direct venipuncture on venous blood gas values before and after administration of alfaxalone or propofol in dogs. (Abstract)

Effect of blood collection by the push-pull technique from an indwelling catheter versus direct venipuncture on venous blood gas values before and after administration of alfaxalone or propofol in dogs. OBJECTIVE To compare the effect of blood collection by a push-pull technique from an indwelling IV catheter versus direct venipuncture on venous blood gas values before and after administration of alfaxalone or propofol to dogs. DESIGN Prospective randomized clinical study. ANIMALS 30 healthy (...) veins; 1 by direct venipuncture and 1 by use of a push-pull technique from a 20-gauge catheter. All blood samples underwent venous blood gas analysis immediately after collection. Results were compared between sample collection techniques before and after anesthesia induction and between anesthesia induction protocols. RESULTS All results were within established reference ranges. For many variables, statistically significant but clinically irrelevant differences were detected between samples

2018 Journal of the American Veterinary Medical Association Controlled trial quality: uncertain

9. Arterio-venous blood gas Δvalues for validation of umbilical cord blood samples at birth are biased not only by sample mix ups but also affected by clinical factors. Full Text available with Trip Pro

Arterio-venous blood gas Δvalues for validation of umbilical cord blood samples at birth are biased not only by sample mix ups but also affected by clinical factors. Traditional validation of umbilical cord blood samples with positive veno-arterial ΔpH and arterio-venous ΔpCO2 values confirms the source of samples, whereas negative Δvalues represent mix-up of samples. To investigate whether this is true, the distributions of V-A ΔpO2 and A-V Δlactate were also explored and related to clinical (...) characteristics. In addition, different cord blood sampling techniques were evaluated.Register study with cord blood acid-base and clinical data from 27 233 newborns. Clinical characteristics were related to positive, zero and negative Δvalues. Blood samplings from unclamped and double-clamped cords were compared. A two-sided P < 0.05 was considered significant.ΔpH and ΔpCO2 values distributed into positive, around zero, and negative sub-populations, with significant differences in pH and clinical

2018 Acta Obstetricia et Gynecologica Scandinavica

10. Correlation and Interchangeability of Venous and Capillary Blood Gases in Non-Critically Ill Neonates Full Text available with Trip Pro

Correlation and Interchangeability of Venous and Capillary Blood Gases in Non-Critically Ill Neonates Venous blood gas (VBG) is frequently used in the neonatal unit as alternative for capillary blood gas (CBG). However, studies reporting correlation are conflicting and data on interchangeability in neonates are lacking.We investigated the correlation and interchangeability of the components between VBG and CBG in infants admitted to the neonatal intensive care unit.In a prospective study (...) in the neonatal unit in Leiden University Medical Center (Netherlands), simultaneously VBG and CBG were withdrawn in neonates when both venous puncture and intravenous access as blood gas monitoring was indicated. From each blood gas analysis, a Pearson correlation, intraclass correlation, and Bland-Altman analysis was performed. Clinically acceptable difference for each blood gas value was defined up-front by means of an absolute difference: pH ± 0.05; partial pressure of carbon dioxide (pCO2) (±0.67 kPa = 5

2018 Frontiers in pediatrics

11. Utility of venous blood gases in severe sepsis and septic shock Full Text available with Trip Pro

Utility of venous blood gases in severe sepsis and septic shock Acid-base status is frequently assessed in severe sepsis and septic shock. Venous blood gas sampling is proposed as a less-invasive modality but lacks evidence within this population. The objective of this study was to evaluate the correlation and agreement between arterial blood gas (ABG), peripheral venous blood gas (pVBG), and central venous blood gas (cVBG) in severe sepsis and septic shock. We conducted a prospective (...) , observational cohort study in subjects admitted to the medical intensive care unit. Simultaneous blood gas samples, including ABG, pVBG, and cVBG, were analyzed for correlation and agreement. Severity of illness scores revealed a mean (±SD) Sequential Organ Failure Assessment score of 7.9 ± 3.3, Simplified Acute Physiology II score of 49.3 ± 16.5, and a mortality rate of 11.9% in the intensive care unit and 16.4% in the hospital. We found a strong intraclass correlation (>0.85) for pH, partial pressure

2018 Proceedings (Baylor University. Medical Center)

12. Reliability of forearm oxygen uptake during handgrip exercise: assessment by ultrasonography and venous blood gas Full Text available with Trip Pro

Reliability of forearm oxygen uptake during handgrip exercise: assessment by ultrasonography and venous blood gas Assessment of forearm oxygen uptake (V˙O2 ) during handgrip exercise is a keenly investigated concept for observing small muscle mass metabolism. Although a combination of Doppler ultrasound measurements of brachial artery blood flow (Q˙) and blood gas drawn from a deep forearm vein has been utilized to calculate forearm V˙O2 for more than two decades, the applicability (...) ˙ difference was 11.9 mL·min-1 (LOA: 84.1 mL·min-1 ; -60.4 mL·min-1 ) with CVs between 4 and 7%. Test-retest difference for a-vO2diff was -0.28 mL·dL-1 (LOA: 1.26mL·dL-1 ; -1.82 mL·dL-1 ) with 3-5% CVs. In conclusion, our results revealed that forearm V˙O2 determination by Doppler ultrasound and direct venous sampling is linearly related to WR, and a reliable experimental design across a range of exercise intensities.© 2018 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf

2018 Physiological reports

13. Venous blood gases, plasma biochemistry, and hematology of wild-caught common chameleons (Chamaeleo chamaeleon) Full Text available with Trip Pro

Venous blood gases, plasma biochemistry, and hematology of wild-caught common chameleons (Chamaeleo chamaeleon) The purpose of this study was to determine a wide range of selected hematologic, venous blood gases, and plasma biochemistry analytes in common chameleons (Chamaeleo chamaeleon). Blood samples were collected from the ventral tail vein of 41 common chameleons to determine reference intervals for 30 different blood analytes. The calcium-to-phosphorus ratio, packed cell volume (PCV (...) ), refractometric total solids (TS), blood cell counts, and differentials were also determined. The microscopic evaluation of blood smears revealed inclusion bodies in monocytes in 7 of the samples. Females showed significantly higher values of plasma proteins and calcium and cholesterol concentrations and males showed significantly higher values of aspartate aminotransferase (AST) and gamma-glutamyl transferase (GGT) plasma concentrations. Significant differences were found between similar analytes determined

2018 Canadian Journal of Veterinary Research

14. Assessment of haemoglobin measurement by several methods - blood gas analyser, capillary and venous HemoCue<sup>®</sup> , non-invasive spectrophotometry and laboratory assay - in term and preterm infants. Full Text available with Trip Pro

Assessment of haemoglobin measurement by several methods - blood gas analyser, capillary and venous HemoCue® , non-invasive spectrophotometry and laboratory assay - in term and preterm infants. A laboratory haematology analyser is the gold standard for measuring haemoglobin concentration but has disadvantages, especially in neonates. This study compared alternative blood-sparing and non-invasive methods of haemoglobin concentration measurement with the gold standard. Haemoglobin (...) concentrations were measured using a laboratory haematology analyser (reference method), blood gas analyser, HemoCue® using venous and capillary blood samples and a newly developed non-invasive sensor for neonates < 3 kg. A total of 63 measurements were performed. Body weight (2190 (1820-2520 [967-4450]) g) and haemoglobin concentration (12.3 (10.6-15.2 [8.2-20.5]) g.dl-1 ) varied widely. Bias/limits of agreement between the alternative methods and reference method were -0.1/-1.2 to 1.0 g.dl-1 (blood gas

2018 Anaesthesia

15. The Relationship between Arterial and Central Venous Blood Gases Values in Patients Undergoing Mechanical Ventilation after Cardiac Surgery Full Text available with Trip Pro

The Relationship between Arterial and Central Venous Blood Gases Values in Patients Undergoing Mechanical Ventilation after Cardiac Surgery The most straightforward method of ascertaining arterial PO2, PCO2, and other components of blood gas is to measure them directly from a blood sample. In situations in which arterial puncture cannot be achieved or may be technically difficult, the venous blood sample can be used.In a prospective analytical study, 80 patients undergoing mechanical (...) ventilation after open-heart surgery in the intensive care unit were evaluated. Simultaneous, matched arterial and central venous blood gas samples were taken from radial artery line and central vein, respectively, when the ABG (arterial blood gases) assessment was needed. Arterial and central venous blood samples were analyzed and data were expressed as mean and ± SD.The Pearson correlation coefficient for pH, PCO2, HCO3, and SatO2 was 0.898, 0.940, 0.840, and 0.567, respectively. There was a significant

2018 Anesthesiology and pain medicine

16. Pneumatosis intestinalis and hepatic portal venous gas associated with gas-forming bacterial translocation due to postoperative paralytic ileus: A case report. Full Text available with Trip Pro

Pneumatosis intestinalis and hepatic portal venous gas associated with gas-forming bacterial translocation due to postoperative paralytic ileus: A case report. Pneumatosis intestinalis (PI) and hepatic portal venous gas (HPVG) are rare but potentially lethal conditions in which gas pathologically accumulates in the portal vein and intestinal wall, respectively. Proposed mechanisms include flatus escaping through an injured intestinal mucosa into the submucosa and thence into the portal venous (...) with BT of gas-forming organisms.Cardiopulmonary resuscitation was unsuccessful.Postmortem imaging indicated the presence of massive PI and HPVG. At autopsy, there was marked intestinal emphysema with diffuse ischemic mucosal necrosis and severe pneumatosis in the stomach and intestine and marked gaseous dilation of the intrahepatic portal veins. Postmortem bacterial cultures revealed enteric bacteria in the peripheral blood and liver tissue.Postoperative ileus leading to intestinal mucosal damage may

2019 Medicine

17. Laboratory reference intervals for systolic blood pressure, rectal temperature, haematology, biochemistry and venous blood gas and electrolytes in healthy pet rabbits Full Text available with Trip Pro

Laboratory reference intervals for systolic blood pressure, rectal temperature, haematology, biochemistry and venous blood gas and electrolytes in healthy pet rabbits Prospective data from 86 healthy pet rabbits were evaluated to establish reference intervals for hematology, biochemistry, urinalysis, venous blood gas and electrolytes, rectal temperature and systolic blood pressure. Reference intervals for rectal temperature (37.4-39.6 ºC) and systolic blood pressure (75-134 mm/Hg) were (...) previously unreported in pet rabbits. Differences by more than 30% with reference intervals present in the bibliography were observed in the blood biochemistry and urinalysis, being attributed to the variability in methodological factors with the present study.

2017 Open veterinary journal

18. Effect of edaravone on serum SP-A and arterial blood gas in patients with lobectomy. (Abstract)

Effect of edaravone on serum SP-A and arterial blood gas in patients with lobectomy. To discuss the effect of edaravone on serum pulmonary surfactant protein A (SP-A) and arterial blood gas (ABG) in patients with thoracoscopic lobectomy.40 lung cancer patients with right side of lobectomy were randomly divided into control group (group C, 20 cases) and edaravone group (group E, 20 cases). Group E was treated edaravone (1 mg/kg) between induction and skin incision, dropping within 30 min; group (...) C was treated with equivalent normal saline. The venous and arterial blood were collected in both groups immediately before incision (T0), after 1 h of one-lung ventilation 1 h (T1) and in 1 h after lungs ventilation (T2) for ABG analysis and measurement of serum SP-A level. Results After OLV, serum SP-A levels were significantly increased in both groups (P < 0.05); compared with group C, serum levels of SP-A were reduced (P < 0.05) and ABG was significantly improved in group E.Edaravone can

2015 International journal of clinical and experimental medicine Controlled trial quality: uncertain

19. Effects of time delay and body temperature on measurements of central venous oxygen saturation, venous-arterial blood carbon dioxide partial pressures difference, venous-arterial blood carbon dioxide partial pressures difference/arterial-venous oxygen dif Full Text available with Trip Pro

) and lactate are important parameters employed during shock resuscitation. We designed this study to confirm the effects of time delay and body temperature on measurements of these four parameters.Arterial and central venous blood samples were simultaneously drawn by plastic syringes via indwelling intra-arterial and central venous catheters from critically ill patients. Blood gas analyses were performed on both samples and repeated after 10, 20, 30, 40, 50 and 60 min. Patients were divided into a control (...) in the high temperature group, relative to the control group after 20, 30, 40, 50 and 60 min (P < 0.05).Measurements of ScvO2, Pv-aCO2, lactate and Pv-aCO2/Ca-vO2 were affected by time delay or body temperature. We recommend that arterial and central venous blood gas samples be analyzed quickly within 10 min, especially for patients with body temperature <38 °C.ChiCTR, ChiCTR1800014484 . Registered 16 January 2018.

2018 BMC Anesthesiology

20. Mathematical Arterialization of Venous Blood Gas

Mathematical Arterialization of Venous Blood Gas Mathematical Arterialization of Venous Blood Gas - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Mathematical Arterialization of Venous Blood Gas The safety (...) Hospital Information provided by (Responsible Party): Mads Lumholdt, Aalborg University Study Details Study Description Go to Brief Summary: Objective: Arterial blood gas (ABG) analysis is essential in the clinical assessment of potential acutely ill patients. Venous to arterial conversion (v-TAC), a mathematical method, has recently been developed to convert peripheral venous blood gas (VBG) values to arterialized VBG (aVBG) values. The aim of this study was to test the reliability of aVBG compared

2017 Clinical Trials

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