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Arterial Blood Gas

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1. Calculated arterial blood gas values from a venous sample and pulse oximetry: Clinical validation. (PubMed)

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

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2019 PLoS ONE

2. Prediction of arterial blood gas values from venous blood gas values in Asiatic black bears (Ursus thibetanus) anesthetized with intramuscular medetomidine and zolazepam-tiletamine (PubMed)

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

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2017 The Journal of Veterinary Medical Science

3. Interventions to reduce pain during arterial blood gas sampling

Interventions to reduce pain during arterial blood gas sampling Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files or external websites. Email salutation (e.g (...) to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage as assessed by Jablonski scale; continuous; Jablonski score. ">Data to be extracted: secondary

2019 PROSPERO

4. Umbilical arterial blood gas in term infants who received delayed cord clamping versus early cord clamping

Umbilical arterial blood gas in term infants who received delayed cord clamping versus early cord clamping Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files (...) of reperfusion (if applicable). ">Data to be extracted: animal model Example: Dose, timing of administration, frequency of administration, route of administration, vehicle. ">Data to be extracted: intervention of interest Example: Serum creatinine; continuous; umol/L (may be recalculated from mg/dL). ">Data to be extracted: primary outcome(s) Example: Blood urea nitrogen; continuous; mmol/L (may be recalculated from mg/dL); Renal histological damage as assessed by Jablonski scale; continuous; Jablonski score

2019 PROSPERO

5. Diagnostic value of prehospital arterial blood gas measurements - a randomised controlled trial. (PubMed)

Diagnostic value of prehospital arterial blood gas measurements - a randomised controlled trial. Arterial blood gas analysis is an important diagnostic tool in managing critically ill patients within the hospital. Whether prehospital application of this diagnostic modality contributes to more exact diagnoses and treatments in critically ill prehospital patients is unknown. The aim of this study was to establish whether access to arterial blood gas analysis increased the prehospital diagnostic (...) accuracy of prehospital anaesthesiologists. Furthermore, we investigated whether prehospital blood gas analysis resulted in therapeutic interventions that would not have been carried out if the arterial blood gas analyser had not been available.In a prospective randomised study, two groups of prehospital adult patients with acute critical illness were compared. All patients received standard prehospital care. In the intervention group, an arterial blood gas sample was analysed prehospitally

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2019 Scandinavian journal of trauma, resuscitation and emergency medicine Controlled trial quality: uncertain

6. Correlation of Venous Blood Gas and Pulse Oximetry With Arterial Blood Gas in the Undifferentiated Critically Ill Patient (PubMed)

Correlation of Venous Blood Gas and Pulse Oximetry With Arterial Blood Gas in the Undifferentiated Critically Ill Patient Blood gas analysis is often used to assess acid-base, ventilation, and oxygenation status in critically ill patients. Although arterial blood gas (ABG) analysis remains the gold standard, venous blood gas (VBG) analysis has been shown to correlate with ABG analysis and has been proposed as a safer less invasive alternative to ABG analysis.The purpose of this study (...) the study. Of the patients completing the study, 53 (41.1%) were in the ED, 41 (31.8%) were in the medical ICU, and 35 (27.1%) were in the surgical ICU. The mean difference for pH between VBG and ABG was 0.03 (95% confidence interval: 0.03-0.04) with a Pearson correlation of 0.94. The mean difference for pCO2 between VBG and ABG was 4.8 mm Hg (95% confidence interval: 3.7-6.0 mm Hg) with a Pearson correlation of 0.93. The SpO2 correlated well with PaO2 (the partial pressure of oxygen in arterial blood

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2016 Journal of intensive care medicine

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

In patients presenting with an exacerbation of COPD can a normal venous blood gas pCO2 rule out arterial hypercarbia? BestBets: In patients presenting with an exacerbation of COPD can a normal venous blood gas pCO2 rule out arterial hypercarbia? In patients presenting with an exacerbation of COPD can a normal venous blood gas pCO2 rule out arterial hypercarbia? Report By: Mark Woods - Consultant in Emergency Medicine Search checked by David Hodgson - ST5 Emergency Medicine Institution: Whiston (...) Hospital, Merseyside, UK and Mersey School of Emergency Medicine, UK Date Submitted: 31st August 2012 Date Completed: 10th March 2015 Last Modified: 11th March 2015 Status: Green (complete) Three Part Question In [patients with an Acute Exacerbation of COPD] can a [normal venous blood gas CO2] [rule out arterial hypercarbia]? Clinical Scenario A 74 year old male patient with known COPD presents acutely breathless with widespread wheeze. He refuses an arterial blood gas (ABG) and complains that last

2015 BestBETS

8. Agreement and Correlation between Arterial and Central Venous Blood Gas Following Coronary Artery Bypass Graft Surgery (PubMed)

Agreement and Correlation between Arterial and Central Venous Blood Gas Following Coronary Artery Bypass Graft Surgery Arterial blood sampling, used to assess patients in acute conditions, may result in complications such as thrombosis and embolism. However, it can be replaced by venous blood sampling, but there is a dearth of information on this.To assess the correlation and agreement between the arterial and central venous blood gases analyses in patients undergoing elective Coronary Artery (...) Bypass Graft (CABG) surgery.In this cross-sectional study, 100 ICU patients undergoing elective CABG surgery were recruited. 2 mm arterial and a 2 mm venous blood samples were obtained from each patient's arterial and central venous lines, respectively. To predict Arterial Blood Gas (ABG) values based on central Venous Blood Gas (VBG) values, the linear regression analysis was used and for evaluating their agreement Bland-Altman method was used.In total of 200 samples were obtained. The mean

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2017 Journal of clinical and diagnostic research : JCDR

9. The utility of abnormal initial arterial blood gas values in determining clinical futility of trauma cases with severe hemorrhage. (PubMed)

The utility of abnormal initial arterial blood gas values in determining clinical futility of trauma cases with severe hemorrhage. Patients who experience trauma with severe hemorrhage requiring immediate surgery and massive blood transfusion often present with markedly abnormal laboratory values. These cases require valuable resources; however, little is known regarding prognostic factors that correlate with mortality. The purpose of this study was to determine whether abnormal initial (...) arterial blood gas (ABG) pH, a marker for severe blood loss, could serve as a prognostic indicator for these patients.An IRB approved retrospective study was performed at LAC+USC Medical Center Level I Trauma Center. Data was collected from trauma patients with severe hemorrhage admitted between June 2015 and April 2016 who were immediately admitted to the OR following entry into the ER. Baseline variables of age, sex and mechanism of trauma were collected. The pH readings from the initial three ABG

2018 American Journal of Emergency Medicine

10. Utility of arterial blood gas, CBC, biochemistry and cardiac hormones as evaluation parameters of cardiovascular disease in nonhuman primates (PubMed)

Utility of arterial blood gas, CBC, biochemistry and cardiac hormones as evaluation parameters of cardiovascular disease in nonhuman primates Cardiovascular disease (CVD) has a tremendous impact on the quality of life of humans. While experimental animals are valuable to medical research as models of human diseases, cardiac systems differ widely across various animal species. Thus, we examined a CVD model in cynomolgus monkeys. Laboratory primates are precious resources, making it imperative (...) that symptoms of diseases and disorders are detected as early as possible. Thus, in this study we comprehensively examined important indicators of CVD in cynomolgus monkeys, including arterial blood gas, complete blood count (CBC), biochemistry and cardiac hormones. The control group included 20 healthy macaques showing non-abnormal findings in screening tests, whereas the CVD group included 20 macaques with valvular disease and cardiomyopathy. An increase of red blood cell distribution width was observed

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2018 The Journal of Veterinary Medical Science

11. Arterial Blood Gas Analysis in Breath-Hold Divers at Depth (PubMed)

Arterial Blood Gas Analysis in Breath-Hold Divers at Depth The present study aimed to evaluate the partial pressure of arterial blood gases in breath-hold divers performing a submersion at 40 m. Eight breath-hold divers were enrolled for the trials held at "Y-40 THE DEEP JOY" pool (Montegrotto Terme, Padova, Italy). Prior to submersion, an arterial cannula in the radial artery of the non-dominant limb was positioned. All divers performed a sled-assisted breath-hold dive to 40 m. Three blood (...) samplings occurred: at 10 min prior to submersion, at 40 m depth, and within 2 min after diver's surfacing and after resuming normal ventilation. Blood samples were analyzed immediately on site. Six subjects completed the experiment, without diving-related problems. The theoretically predicted hyperoxia at the bottom was observed in 4 divers out of 6, while the other 2 experienced a reduction in the partial pressure of oxygen (paO2) at the bottom. There were no significant increases in arterial partial

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2018 Frontiers in physiology

12. Arterial blood gas changes during cardiac arrest and cardiopulmonary resuscitation combined with passive oxygenation/ventilation: a METI HPS study (PubMed)

Arterial blood gas changes during cardiac arrest and cardiopulmonary resuscitation combined with passive oxygenation/ventilation: a METI HPS study High-fidelity simulators can simulate physiological responses to medical interventions. The dynamics of the partial arterial pressure of oxygen (PaO2), partial arterial pressure of carbon dioxide (PaCO2), and oxygen pulse saturation (SpO2) during simulated cardiopulmonary resuscitation (CPR) were observed and compared with the results from

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2018 The Journal of international medical research

13. Influence of myocardial oxygen demand on the coronary vascular response to arterial blood gas changes in humans. (PubMed)

Influence of myocardial oxygen demand on the coronary vascular response to arterial blood gas changes in humans. It remains unclear if the human coronary vasculature is inherently sensitive to changes in arterial Po2 and Pco2 or if coronary vascular responses are the result of concomitant increases in myocardial O2 consumption/demand ([Formula: see text]). We hypothesized that the coronary vascular response to Po2 and Pco2 would be attenuated in healthy men when [Formula: see text (...) , and arterial blood pressure. LADV values at the end of each hypoxic condition were compared between esmolol and placebo. The rate-pressure product (RPP) and left ventricular mechanical energy (MELV) were calculated as indexes of [Formula: see text]. All gas manipulations augmented RPP, MELV, and LADV, but only RPP and MELV were attenuated (4-18%) after β1-adrenergic receptor blockade ( P < 0.05). Despite attenuated RPP and MELV responses, β1-adrenergic receptor blockade did not attenuate the mean LADV

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2018 American journal of physiology. Heart and circulatory physiology Controlled trial quality: uncertain

14. Evaluation of two different respiratory physiotherapy methods after thoracoscopy with regard to arterial blood gas, respiratory function test, number of days until discharge, cost analysis, comfort and pain control. (PubMed)

Evaluation of two different respiratory physiotherapy methods after thoracoscopy with regard to arterial blood gas, respiratory function test, number of days until discharge, cost analysis, comfort and pain control. Although the methods used in thoracic surgery have been developing rapidly over the last five decades, postoperative pulmonary complications are seen in this field more than in other surgical branches. We aimed at comparing the acute effects of incentive spirometry (...) (IS) and breathing retraining exercises by a respiratory physiotherapist or experienced physiotherapist.Patients were randomized into two groups as spirometry and physiotherapist. Combined respiratory exercises were implemented through IS inspirometry group and by a physiotherapist in physiotherapist group. Blood gas, respiratory function tests, survey results of the Burford pain thermometer, discharge days, and cost analyses of both groups were examined just before the beginning of physiotherapy and on the 3rd

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2018 Nigerian journal of clinical practice Controlled trial quality: uncertain

15. Prognostic Value of Arterial Blood Gas Indices Regarding the Severity of Traumatic Injury and Fractures of the Femur and Pelvis (PubMed)

Prognostic Value of Arterial Blood Gas Indices Regarding the Severity of Traumatic Injury and Fractures of the Femur and Pelvis To evaluate the prognostic value of arterial blood gas (ABG) indices, especially base excess (BE), regarding the severity of traumatic injury.A total number of 96 trauma patients with fractures of femur and pelvis were included in this study. Demographic characteristics and clinical information of samples were recorded. The results of ABG test and hemoglobin (Hb) were

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2018 Bulletin of emergency & trauma

16. 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

17. Is Venous to Arterial Conversion (v-TAC) of Blood Gas Reliable in Critical Ill Patients in the ICU?

Is Venous to Arterial Conversion (v-TAC) of Blood Gas Reliable in Critical Ill Patients in the ICU? Is Venous to Arterial Conversion (v-TAC) of Blood Gas Reliable in Critical Ill Patients in the ICU? - 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. Is Venous to Arterial Conversion (v-TAC) of Blood Gas Reliable in Critical Ill Patients in the ICU? The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. of clinical studies and talk to your health care provider before participating. Read our for details. ClinicalTrials.gov Identifier: NCT03309423 Recruitment Status

2017 Clinical Trials

18. Agreement between venous and arterial blood gas analysis of acid-base status in critical care and ward patients: a retrospective cohort study. (PubMed)

Agreement between venous and arterial blood gas analysis of acid-base status in critical care and ward patients: a retrospective cohort study. To determine whether the use of venous blood gases can be a suitable alternative to arterial sampling to evaluate acid-base status.The database of the clinical laboratory in a large academic hospital was searched for records of venous blood gas analysis and an arterial sample taken within ten minutes from the same patient. Bland-Altman analyses of pH (...) , pCO2, and lactate were performed for samples obtained from patients separately from within and outside the intensive care unit (ICU).In 2,296 paired arterial-venous samples from 351 ICU patients, the bias was 0.044, -6.2 mmHg, and -0.07 mEq·L-1 for pH, pCO2, and lactate, respectively. The range of agreement centred on this bias (upper minus lower level of agreement) was 0.134, 16.7 mmHg, and 1.35 mEq·L-1 for pH, pCO2, and lactate, respectively. Intraclass correlation coefficients (ICCs) were 0.79

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2017 Canadian Journal Of Anaesthesia

19. Re-examining the arterial cord blood gas pH screening criteria in neonatal encephalopathy. (PubMed)

Re-examining the arterial cord blood gas pH screening criteria in neonatal encephalopathy. Screening criteria for neonatal encephalopathy remain a complex combination of subjective and objective criteria. We examine the utility of universal cord blood gas testing and mandatory encephalopathy evaluation for infants with pH ≤7.10 on umbilical cord arterial blood gas (cABG) as a single screening measure for timely identification of moderate/severe encephalopathy.Infants born at a single centre (...) methods.Universal cord blood gas screening with a pH threshold ≤7.10 and mandatory encephalopathy examination results in greater detection of infants with moderate/severe encephalopathy and timely initiation of therapeutic hypothermia.© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

2017 Archives of Disease in Childhood. Fetal and Neonatal Edition

20. Arterial Blood Gas Analysis in Laparoscopic Cholecystectomy

Arterial Blood Gas Analysis in Laparoscopic Cholecystectomy Arterial Blood Gas Analysis in Laparoscopic Cholecystectomy - 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. Arterial Blood Gas Analysis (...) University Study Details Study Description Go to Brief Summary: The investigator found out that as such the base line carbon dioxide (CO2) level is higher in smokers as compared to non-smokers even before creation of pneumoperitoneum, which is due to the compromised lung function following chronic smoking. This condition gets aggravated after creation of pneumoperitoneum which is very much evident from the serial arterial blood gas analysis. The level of CO2 remains elevated even after deflation

2017 Clinical Trials

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