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:: Volume 13, Issue 3 (7-2020) ::
3 2020, 13(3): 13-19 Back to browse issues page
Comparison of Arterial Blood Gases by both Invasive and Non-Invasive Methods During the Weaning from Mechanical Ventilation in Patients Undergoing Cardiac Surgery
Fatemeh Beitollahi Mrs, Amir Vahedian Azimi Dr., Seyed Mohammad Saeid Ghiasi Dr., Seyed Tayeb Moradian Dr.
Baqiyatallah University of Medical Sciences
Abstract:   (26 Views)
Background and aim: Due to the side effects of invasive techniques, the use of non-invasive techniques with continuous monitoring has been considered by health centers. In this study, invasive and non-invasive techniques for monitoring arterial blood gases were compared during patientschr('39') weaning from mechanical ventilation after cardiac surgery.
Methods: In a descriptive-cross-sectional study, 70 patients who were candidates for cardiac surgery were assessed during 1397 at Jamaran Heart Hospital and the values for oxygen saturation and carbon dioxide measured by non-invasive methods (pulse oximetry and capnography) and invasive (ABG) were compared
Results: The results of the study showed that there is a difference of 1.7±4.54 between the copography and PaCO2 values, and a difference of 0.92±2.29 between the SPO2 and SaO2 values. There was a positive and significant correlation between ETCO2 and PaCO2 (P<0.001, r=0.43). There was also a correlation between SPO2 and SaO2 numbers (P=0.03, r=0.25). The results of the linear regression test showed that ETCO2 and SPO2 can predict PaCO2 and SaO2 using the following formula, respectively. PaCO2=20.61+0.45(ETCO2), SaO2=63.65+0.25(SPO2).
Conclusion: Capnography and pulse oximetry can be used as non-invasive, inexpensive, and safe methods in weaning patients from mechanical ventilation after cardiac surgery. For a more detailed examination, it is recommended that studies be performed with a larger sample size, as well as in patients with different physical conditions and severity of the disease.
Keywords: Capnography, Invasive Techniques, Non-Invasive Techniques, Weaning, Cardiac Surgery
Full-Text [PDF 667 kb]   (16 Downloads)    
Type of Study: Research | Subject: Special
Received: 2020/06/29 | Accepted: 2020/08/18 | Published: 2020/08/18
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Beitollahi F, Vahedian Azimi A, Ghiasi S M S, Moradian S T. Comparison of Arterial Blood Gases by both Invasive and Non-Invasive Methods During the Weaning from Mechanical Ventilation in Patients Undergoing Cardiac Surgery. 3. 2020; 13 (3) :13-19
URL: http://jccnursing.com/article-1-517-en.html


Volume 13, Issue 3 (7-2020) Back to browse issues page
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