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Blood Gas Analysis clinical trials

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NCT ID: NCT03309410 Completed - Clinical trials for Emergency Service, Hospital

Mathematical Arterialization of Venous Blood Gas

Start date: September 1, 2015
Phase: N/A
Study type: Observational

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 to ABG in an emergency department (ED) setting. Method: Twenty ED patients were included in this study. ABG and three aVBG samples were collected from each patient. The aVBG samples were processed in three different ways for comparison: aVBG1 was held steady and analysed within 5 minutes; aVBG2 was tilted in 5 minutes and analysed within 7 minutes; aVBG3 was held steady and analysed after 15 minutes. All VBG samples were arterialized using the v-TAC method. ABG and aVBG samples were compared using Lin's Concordance Correlation Coefficient (CCC) and Bland-Altman's analysis.

NCT ID: NCT02516943 Completed - Blood Gas Analysis Clinical Trials

The Effects of Using Pathological- Based Guidelines for Arterial Blood Gas Analysis in Patients Aftercardiac Surgery

Start date: November 2014
Phase: Phase 4
Study type: Interventional

Blood gas analysis were routinely monitor every 4 hours in our surgical cardiac intensive care unit (SICU). These luxury investigations waste the resources. Therefore we develop a pathological- based guideline for arterial blood gas analysis in patients after cardiac surgery. We test the guideline for its safety and efficacy.

NCT ID: NCT02320916 Completed - Pain Clinical Trials

A Randomized Controlled Trial on the Effect of Needle Gauge on the Pain and Anxiety Experienced During Arterial Puncture

Start date: April 2013
Phase: N/A
Study type: Interventional

Arterial blood-gas (ABG) measurements are the gold standard to evaluate pulmonary gas exchange. However, arterial punctures are more painful than venous punctures and, in ICU patients, cause greater anxiety than tracheal aspiration. The only technique that has been shown to effectively reduce pain during arterial punctures is the subcutaneous injection of lidocaine. However, this technique is more time consuming and is poorly used. Topical anesthesia is widely used during arterial punctures despite the lack of proof of efficacy. While performing arterial punctures with small gauge needles is feasible, to the best of the investigators knowledge no studies have assessed the effect of needle gauge on arterial puncture related pain. The aim of the present study was to compare the pain experienced during arterial punctures performed with a 25 G or 23 G needle. The secondary endpoints were the characterization of the pain and the anxiety associated with the arterial punctures.