SLEEP APNEA – RISK FACTOR RESPONSIBLE FOR SCORE RISK WORSENING IN THE PATIENTS WITH MODERATE AND SEVERE COPD
Abstract:
Objectives: This study aims at assessing the importance and usefulness of routinely
performing night cardiorespiratory polygraphy as a method of screening for sleep apnea in patients with
moderate and severe COPD, as well as the correlation with Systematic Coronary Risk Evaluation
(SCORE) cardiovascular risk. Materials and methods: The study was conducted on a sample of 61
patients with COPD, classified according to the degree of respiratory function impairment as moderate
ans severe COPD, studying the presence of respiratory disorders during sleep through nocturnal
cardiorespiratory poligraphy. SCORE cardiovascular risk was also calculated, assessing the
correlations between this one and the presence of sleep apnea in patients with moderate and severe
COPD. Results: Sleep apnea was identified in higher proportion in COPD patients compared to the
general population. There has been demonstrates the impact of obstructive sleep apnea in worsening the
SCORE risk of developing cardiovascular events after10 years in COPD patients. Conclusions: The use
of nocturnal cardiorespiratory polygraphy as a screening method in patients with moderate and severe
COPD is justified, often revealing the presence of respiratory disorders during sleep. Also, given the
statistical correlations and the seriousness of the SCORE risk, evolution and prognosis of patients
associating COPD and sleep apnea may be reduced by the simultaneous treatment of both diseases.
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