Background: Clinically, the pulse oxygen saturation of patients with chronic heart failure does not decrease significantly, and the clinical manifestations of labor-related dyspnea are not typical. As such, it is difficult to make a rapid diagnosis.
Objective: To investigate changes in pulse oxygen saturation in patients with chronic heart failure and examine the relationship between B-type natriuretic peptide (BNP) and normal pulse oxygen saturation.
Methods: A total of 80 hospitalized patients with chronic heart failure and increased BNP were randomly selected as the study group; the family members of 60 patients without dyspnea were randomly selected as the control group. The researchers measured the value of pulse oxygen saturation before and after upper arm compression, calculating the difference and analyzing the correlation between this difference and BNP values. The data were statistically analyzed using the SPSS Statistics 17.0 program.
Results: The decrease in pulse oxygen saturation in the study group was greater than in the control group; the decrease in pulse oxygen saturation of patients with chronic heart failure positively correlated with BNP.
Conclusion: The value of pulse oxygen saturation in patients with chronic heart failure decreased more than in the control group, and this difference positively correlated with BNP. The measurement of pulse oxygen saturation before and after upper arm compression is a simple and effective method for diagnosing and evaluating chronic heart failure.
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| http://dx.doi.org/10.1111/anec.13049 | DOI Listing |
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