Reversibility of the endothelial dysfunction after CPAP therapy in OSAS patients

Torna indietro

Abstract

Background: The obstructive sleep apnoea syndrome (OSAS) is a common airways disease which often involves cardiovascular structures, causing vessel inflammation as well as hypoxia, induced by difficulties in the passage of air through the upper airways. Aim of our research is to evaluate the effects of Continuous Positive Airway Pressure (CPAP) on the syndrome itself and the patients cardiovascular risk profile, practically adopting Flow-Mediated Vasodilation (FMD) technique to evaluate endothelial function. Methods and results: We enrolled 63 patients (49 males and 14 female, mean age: 54 ± 10 years) subdivided into four groups: high cardiovascular risk factors, no CPAP therapy, CPAP therapy started less- and more than 3 months before. The patients underwent FMD of the brachial artery using a high resolution ultrasonograph connected to an image analysis system. The maximum recovery value was calculated as the ratio (maximum-baseline) of the change in diameter over the baseline value. Data obtained from this study demonstrate the significant reversibility of FMD in patients treated for more than 3 months with CPAP therapy (Group 4). Conclusions: Our study shows the importance of administering CPAP therapy for more than 3 months in patients suffering from OSAS to improve EF to a level equal to high cardiovascular risk subjects probably due to a recovery from the systemic hypoxia. Besides, our work points out the importance of FMD as a clinical tool able to point out any improvement or regression after therapies.

Autore Pugliese

Tutti gli autori

  • FORLEO C.;CICCONE M.M.;RESTA O.;CARRATU' P.;FAVALE S.

Titolo volume/Rivista

Non Disponibile

Anno di pubblicazione

2012

ISSN

0167-5273

ISBN

Non Disponibile

Numero di citazioni Wos

39

Ultimo Aggiornamento Citazioni

Non Disponibile

Numero di citazioni Scopus

40

Ultimo Aggiornamento Citazioni

Non Disponibile

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile