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Effect of overnight nasal continuous positive airway pressure treatment on the endothelial function in patients with obstructive sleep apnea.
MedLine Citation:
PMID:  22804976     Owner:  NLM     Status:  Publisher    
OBJECTIVE: In this prospective study, we aimed to investigate acute effect of nasal continuous positive airway pressure (CPAP) therapy on the endothelial function of patients with obstructive sleep apnea syndrome (OSA) by using brachial artery flow mediated dilatation (FMD) method. METHODS: Newly diagnosed thirty OSA patients with ages between 29 and 72 years were included in this study. FMD and high sensitivity C-reactive protein (hsCRP) values of patients obtained before and after CPAP dose titration test were compared with paired samples t test or Wilcoxon signed ranks test. RESULTS: With CPAP therapy apnea hypopnea indices were reduced (60.6±24.9/h vs. 9.6±7.9/h; p<0.001) and oxygen desaturation indices recovered (50±27/h vs. 6±7/h; p<0.001). Heart rates of patients decreased after CPAP therapy (80±10/min vs. 73±8/min; p=0.003). FMD values significantly increased after CPAP (8.55±5.82 percent vs. 12.08±7.17 percent; p=0.003). HsCRP values after CPAP were not different from baseline values. CONCLUSION: Acute improvement of the endothelial function with one night CPAP therapy suggests endothelial dysfunction in OSA patients to be result of acute pathophysiologic factors. In intermediate and severe OSA patients, CPAP therapy may be considered in acute treatment of diseases associated with endothelial dysfunction.
Murat Tulmaç; Emine Tireli; Haksun Ebinç; Vedat Simşek; Mehmet Tolga Doğru; Nesligül Yıldırım; Uçler Kısa; Mehmet Savaş Ekici
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-17
Journal Detail:
Title:  Anadolu kardiyoloji dergisi : AKD = the Anatolian journal of cardiology     Volume:  -     ISSN:  1308-0032     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101095069     Medline TA:  Anadolu Kardiyol Derg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Cardiology, Faculty of Medicine, Kırıkkale University, Kırıkkale-Turkey.
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