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  • Title: [Relationship between age and cardiovascular complications in obstructive sleep apnoea].
    Author: Pływaczewski R, Czystowska M, Skoczylas A, Bieleń P, Jonczak L, Górecka D, Sliwiński P.
    Journal: Pneumonol Alergol Pol; 2009; 77(3):235-41. PubMed ID: 19591093.
    Abstract:
    INTRODUCTION: Obstructive sleep apnoea (OSA) is a risk factor for cardiovascular morbidity and mortality. The aim of this study was to assess relations between cardiovascular diseases (CVD) and age in OSA subjects. MATERIAL AND METHODS: Consecutive OSA subjects (AHI/RDI > 10, Epworth score > 9 points) were evaluated. The chest X-ray, spirometry, arterial blood gases, ECG, blood morphology and biochemistry were performed during trial treatment with autoCPAP. RESULTS: We studied 533 consecutive OSA patients, mean age 55.6 +/- 10.3 years (range 24-81), with obesity (BMI 34.4 +/- 6.6 kg/m(2)) and severe OSA (AHI/RDI 37.8 +/- 21.8). To evaluate relations between CVD and age, patients were divided into three groups. Group 1 < 50 years (123 subjects, 23.1%), Group 2 aged 50-60 years (250 subjects, 46.9%) and Group 3 > 60 years (160 subjects, 30%). Subjects < 50 years were more obese and had higher AHI/RDI when compared to older groups. Incidence of arterial hypertension, coronary artery disease, atrial fibrillation, heart failure and stroke increased with age (higher in subjects > 60 years). CONCLUSIONS: Cardiovascular diseases were prevalent in OSA patients > 60 years. However the youngest group presented with more severe obesity and higher AHI/RDI.
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