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:: Volume 13, Issue 3 (12-2008) ::
__Armaghane Danesh__ 2008, 13(3): 65-71 Back to browse issues page
Study of Position effect on Results of ABG of Hospitalized Patients in ICU of Open Heart Surgery Center of Mazandaran
R Sadeghi1, M Safari, M Karimlou, M Baghery nesami, Z Esmaily douky
1- , rghsadeghi@yahoo.com
Abstract:   (4908 Views)
ABSTRACT Introduction & Objective: Position of patients after open heart surgical operation in ICU in semi sitting and supine position has been propounded as a medical maneuver to improve oxygenation, to prevent hypoxia and its dangerous results since long times ago. No study has been conducted so far to compare the effect of two above mentioned positions on gas exchange rate and improving oxygenation and preventing hypoxia in Iran. Present study was conducted aiming to measuring the arterial blood gases and evaluating the effect of charging position and its duration on the results of arterial blood gases in patients who have been under open heart surgery operations. Materials & Methods: Subjects of this study were 30 patients, aged 18-60 years, which were selected by easy sampling method in ICU of heart surgery center of Mazandaran. The effect of position and its duration from semi sitting position to supine in intervals of 15, 30, and 45 and 60 minutes on arterial blood gases rate (pa O2, pa CO2, sp O2) was measured using analyzer. Necessary information was obtained from each patient’s file and lab results. SPSS software, version 11.5, was used to analyze the data. Results : The average of spO2 (oxygen saturation rate of arterial blood) before changing position (semi sitting) was 98.77±0.180 and after changing position (supine) in intervals 15, 30 and 45 minutes was 98.79 ± 0.163 and in 60 minute it reached 98.43 ± 0.440 but the differences was not significant. The average of pa CO2 (CO2 pressure of arterial blood) before changing position was 37.92 ± 0.765 and after changing position in intervals reached to 38.67 ± 1.03, 37.52 ± 1.03 and 37.95 ± 0.967 and in 60 minute reached to 37.50 ± 0.842 but the differences was not significant. The average of paO2 (oxygen pressure of arterial blood) before changing position reached 145.72 ± 6.11 and 30 minute after changing position reduced to 143.49 ± 5.78 and after 60 minutes it increased to 146.31±6.26 but the differences was not significant. Conclusion: In this study, it was observed that changing the position and duration don’t significantly change the rate of paO2, paCO2, spO2 and arterial blood gases and therefore these patients should not placed in semi sitting position to improve better gaseous exchange. This position doesn’t cause positive effect on exchange of arterial blood gases and it is better that those patients placed in supine position to prevent bedsore, in vulnerable area, and sliding patient over bed.
Keywords: KEYWORDS: Position, Hypoxia, Oxygenation, Blood gases
Full-Text [PDF 140 kb]   (1110 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/05/9 | Accepted: 2015/05/9 | Published: 2015/05/9
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Sadeghi R, Safari M, Karimlou M, Baghery nesami M, Esmaily douky Z. Study of Position effect on Results of ABG of Hospitalized Patients in ICU of Open Heart Surgery Center of Mazandaran. ارمغان دانش. 2008; 13 (3) :65-71
URL: http://armaghanj.yums.ac.ir/article-1-524-en.html


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Volume 13, Issue 3 (12-2008) Back to browse issues page
ارمغان دانش Armaghane Danesh
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