Obstructive Sleep Apnea Therapy with CPAP Reduces Independently the Levels of A-FABP and CRP
Authors:
E. Sovová 1; M. Hobzová 2; D. Stejskal 3; M. Sova 2; V. Kolek 2; D. Horáková 4; J. Zapletalová 5
Authors‘ workplace:
LF UP v Olomouci
I. interní klinika – kardiologická, Klinika tělovýchovného lékařství a kardiovaskulární rehabilitace FN Olomouc
1; LF UP v Olomouci
Klinika plicních nemocí a tuberkulózy FN Olomouc
2; LF UP v Olomouci
Ústav lékařské chemie a biochemie
3; LF UP v Olomouci
Ústav preventivního lékařství
4; LF UP v Olomouci
Ústav lékařské biofyziky
5
Published in:
Cesk Slov Neurol N 2012; 75/108(4): 438-442
Category:
Original Paper
Overview
Obstructive sleep apnea (OSA) might be associated with metabolic syndrome and cardiovascular disease (CVD). Adipocyte Fatty Acid-Binding Protein (A-FABP), is a member of a family of nine fatty acid-binding proteins and may represent a connection between OSA and cardiometabolic dysfunction. C-reactive protein (CRP) is a marker of inflammation and a risk factor for CVD. The study aimed to ascertain whether continuous positive airway pressure (CPAP) treatment results in decreased serum A-FABP and CRP levels and their possible association.
Subjects and methods:
Eighty-one patients (70 males, mean age of 53.9 ±10.3 years) were evaluated by polysomnography, diagnosed with OSA and indicated for CPAP treatment. Anthropometric, clinical and laboratory investigations were performed and repeated after 1 year of CPAP treatment.
Results:
Patients had significantly decreased A-FABP levels (34.4 ng/mL; 24.8 ng/mL; p = 0.001), CRP levels (6.08 ±7.74; 4.29 ±4.9; p = 0.007), triacylglycerols (2.24 ±0.88; 2.13 ±1.32; p = 0.01), diastolic blood pressure (82 ±11; 79 ±7; p = 0.006) and improved OSA parameters: AHI (53.9; 5.6; p <0.0001), mean nocturnal oxygen saturation (91%; 94%, p <0.0001), ODI (55; 8, p <0.0001), and percentage of sleep time with oxygen saturation below 90% (28.2; 0; p <0.0001). BMI, waist, neck circumference, systolic blood pressure, total cholesterol, HDL cholesterol, LDL cholesterol, glucose and insulin did not change significantly. Decreases in A-FABP and CRP did not correlate significantly.
Conclusion:
CPAP therapy of OSA patients reduces A-FABP and CRP levels. Since changes in A-FABP and CRP do not correlate, they may reflect the effect of various pathological events in the development of CVD.
Key words:
obstructive sleep apnea – Adipocyte Fatty Acid-Binding Protein – C reactive protein
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Paediatric neurology Neurosurgery NeurologyArticle was published in
Czech and Slovak Neurology and Neurosurgery
2012 Issue 4
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