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Revista americana de medicina respiratoria

versión On-line ISSN 1852-236X

Resumen

ERNST, Glenda et al. Clinical Characteristics of Patients with Very Severe Obstructive Sleep Apnea. Rev. am. med. respir. [online]. 2019, vol.19, n.3, pp.187-194. ISSN 1852-236X.

Introduction: The presence of obstructive sleep apneas (OSA) is a prevalent disease, whose severity is determined from the Apnea- Hypopnea Index (AHI). Very severe OSA (vsOSA) is defined by an AHI ≥ 60 events/hour; with clinical characteristics that could be different. The purpose of this study was to describe the clinical characteristics of patients with sOSA and compare them with less severe manifestations of this disease. Materials and Methods: Retrospective study of patients referred to a specialized hypertension center who met clinical criteria for the study of OSA. Patients were analyzed by means of a respiratory polygraphy, Ambulatory Monitoring of Arterial Pressure (AMAP), questionnaires and laboratory tests. We used non-parametric tests for the analysis of the results. Results: Of the 115 patients with OSA included in the study, 57 showed moderate OSA (mOSA), 48 sOSA and 10 vsOSA. No statistically significant differences were observed in age, Body Mass Index (BMI), glycemia, percentage of diabetic patients, or waist or neck diameter. We observed that the proportion of patients with arterial hypertension became higher as the severity of the OSA increased. This increase was significant only regarding the value of diastolic arterial pressure in very severe patients (vsOSA: 94.0 ± 7.7 mmHg vs. sOSA: 87.9 ± 8.7 mmHg and mOSA: 84.4 ± 8.2 mmHg; p < 0.05 and p < 0.01, respectively). Conclusions: In agreement with previous studies, our patients with vsOSA showed a higher degree of diastolic hypertension with clinical characteristics similar to less severe manifestations of OSA.

Palabras clave : Obstructive sleep apneas-hypopneas; Apnea-hypopnea index; Arterial hypertension.

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