Effect of Autoadjusting-CPAP on Leptin Levels in Sleep Apnea Patients
Author Information
Author(s): Drummond Marta, Winck João C, Guimarães João T, Santos Ana C, Almeida João, Marques José A
Primary Institution: Hospital de São João, Porto, Portugal
Hypothesis
What is the effect of Autoadjusting-CPAP therapy on serum leptin levels in patients with obstructive sleep apnea?
Conclusion
Treatment with Autoadjusting-CPAP has a small effect on leptin levels.
Supporting Evidence
- Leptin levels were significantly correlated with BMI, waist-hip ratio, and AHI.
- Mean basal serum leptin value was 12.1 ug/L.
- Leptin levels decreased slightly after therapy but not significantly.
Takeaway
This study looked at how a machine that helps people breathe at night affects a hormone called leptin in men with sleep apnea. It found that the machine doesn't change leptin levels much.
Methodology
Ninety-eight male patients with moderate to severe OSA were evaluated for serum leptin levels before therapy, 9 days after, and 6 months after therapy.
Potential Biases
Potential bias due to the exclusion of female participants and reliance on a single diagnostic method.
Limitations
The study did not include women and lacked a control group.
Participant Demographics
All participants were male with a mean age of 55.3 years and a mean BMI of 33.2 Kg/m2.
Statistical Information
P-Value
p < 0.001 for correlation between leptin and BMI.
Digital Object Identifier (DOI)
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