Evaluation of usefulness of selected elements of medial examination in prognosticating the degree of severity of obstructive sleep apnea
Journal Title: Medycyna Ogólna i Nauki o Zdrowiu - Year 2014, Vol 20, Issue 3
Abstract
The dissemination of knowledge concerning sleep-related breathing disorder (SRBD) resulted in an increase in diagnosing obstructive sleep dyspnea (OSD) in highly developed countries. The results of studies confirm the presence of a relationship between the degree of severity of OSD and the frequency of occurrence and course of such diseases as arterial hypertension, arrhythmia, coronary heart disease, and CNS diseases of vascular origin. Difficulties with the qualification of patients for diagnostics of OSD result in many unnecessary hospitalizations. The objective of the study was evaluation of the relationships between polygraphic indicators of the degree of severity of OSD and selected elements of medical examination, and the development of a model which would allow the prediction of the degree of severity of the disease based on these elements. Analysis covers data collected from 62 patients who were hospitalized or received ambulatory treatment at the Institute of Rural Health in Lublin. The mean value of the AHI index was 25.4, and saturation time below 90% (T90) 6.7 min. While seeking predictive characteristics of the degree of severity of OSD the following variables were analyzed: age, gender, body weight, height, neck circumference, scores according to the Epworth scale, nasal obstruction, tobacco smoking, and the occurrence of: the symptoms of snoring, interrupted breathing during sleep, and concentration disorders during the day. Statistical analyses were performed using Statistica 8.1 PL software. In order to assess the predictive value of individual variables in the preliminary study, and the construction of models of relationships, multifactor analysis of linear regression was applied. Analysis of the results obtained showed that the preliminary medical examination only to a limited extent allows assessment of the degree of severity of OSD. In prognosticating the degree of severity of OSD using the AHI gender, age and BMI were significant, and in prognosticating the degree of severity of OSD by means of the variable T90 – age and body weight.
Authors and Affiliations
Piotr Pardak, Lech Panasiuk
Keywords
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