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Journal of Research in Medical Sciences، جلد ۱۶، شماره ۲، صفحات ۰-۰
عنوان فارسی
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عنوان انگلیسی The effects of hypotension on differences between the results of simultaneous-venous and arterial blood gas analysis
چکیده انگلیسی مقاله Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 BACKGROUND: Analysis of venous blood gas (VBG) can represent arterial blood gas (ABG) analysis in patients with various diseases. The effects of hypotension on differences between the results of simultaneous venous and arterial blood gas analyses were reviewed. METHODS: This observational, cross-sectional study was conducted from March to October 2010 in emergency departments of two university hospitals in Tehran (Iran) on consecutive adult patients for whom ABG had been indicated for diagnosis/treatment. Arterial and peripheral venous bloods were simultaneously sampled with blood pressure measurement. The VBG-ABG amount of difference regarding pH, HCO 3 , PCO 2 , PO 2 , SO 2 , and Base Excess (BE) was compared between those with and without hypotension. RESULTS: During the study, 192 patients (51.6 ± 23.6 years, 67.7% males) were entered into the hypotension (n = 78) and normotensive groups (n = 114). The average VBG-ABG amount of difference (95% limits of agreement) in the hypotension versus normotensive group were -0.030 (-0.09 to 0.03) vs. -0.016 (-0.1 to 0.068) for pH (p = 0.01), 1.79 (-1.91 to 5.49) vs. 1.32 (-1.94 to 4.58) mEq/L for HCO 3 (p = 0.032), 2.69 (-20.43 to 25.81) vs. 2.03 (-7.75 to 11.81) mmHg for PCO 2 (p = 0.295), -35.97 (-130.17 to 58.23) vs. -32.65 (-104.79 to 39.49) mmHg for PO 2 (p = 0.293), -18.58 (-14.66 to 51.82) vs. -9.06 (-31.28 to 13.16) percent (p < 0.001) for SO 2 , and 0.25 (-3.73 to 4.23) vs. 0.79 (-2.51 to 4.09) for BE (p = 0.036). CONCLUSIONS: Hypotensive status is associated with an increase in the amount of difference between VBG and ABG analysis regarding pH, HCO 3 , and BE, though the amount of increase does not seem to be clinically important. Studying the precise effects of replacing ABG with VBG on the clinical decision-making and the following outcomes is worthwhile. KEYWORDS: Blood Gas Analysis, Arterial Blood Gas, Venous Blood Gas, Hypotension, Hypoperfusion.
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نویسندگان مقاله فرهاد شیرانی | farhad shirani
department of emergency medicine, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

رضا صالحی | reza salehi
department of emergency medicine, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

افسون امامی نایینی | afsoon emami naini
isfahan kidney diseases research center, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

رضا عزیزخانی | reza azizkhani
department of emergency medicine, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

علی غلامرضایی | ali gholamrezaei
poursina hakim research institute, isfahan, iran
نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/6587
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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