Relationship between oxygen saturation percentage and forced expiratory volume in one second in chronic obstructive pulmonary disease
Message:
Abstract:
Background and Aim

 Considering the cost and some limitations in measuring the percentage of expiratory volume in the first seconds (FEV1%), This study was performed to determine the relationship between oxygen saturation percentage (SPO2%) with expiratory volume in the first-second (% FEV1) in patients with obstructive pulmonary disease(COPD).

Materials and Methods

In a descriptive-analytical study, 25 women and 25 men with COPD were selected by Non-probability and simple sampling from patients referred to the outpatient clinic of Vali-e-Asr Hospital regardless of the severity of the disease. To measure% FEV1 by spirometry method And a finger pulse oximeter was used to measure SPO2.Statistical tests including Pearson test and independent t-test and linear regression model were used.

Results

The mean patient age 18/63 ±  47/10  years,  average% FEV1 of 15/16 ± 60/36 and the mean SPO2% 20/84 ± 53/5 was respectively. The correlation coefficient between% FEV1 and SPO2% was 0.36 (P=0.01). Mean of SPO2% in smokers and non-smoker was %82.67±5.22 and %86.50±5.29 respectively (p=0.02). Regression analysis in constant conditions showed %FEV1 By increasing one unit SPO2%, The amount of FEV1% probability by a factor of 16/0 will be increased 0.36(P=0.02).

Conclusion

  The amount of SPO2% significant correlation at the medium level with the amount of %FEV1 and can predict to some extent FEV1%;  Therefore, it has been diagnosed in people with obstructive pulmonary disease and It can be used for evaluation and follow-up of patients instead of spirometry.

Article Type:
Research/Original Article
Language:
Persian
Published:
Birjand University of Medical Sciences, Volume:26 Issue:4, 2019
Pages:
327 - 332
magiran.com/p2060708  
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