title: [Study of the prevalence of sleep apnea syndrome in patients with chronic diseases of the respiratory organs using pulse oximetry and polysomnography].
abstract: In the literature, depending upon the group of subjects investigated and the diagnostic criteria applied, the prevalence of the sleep apnea syndrome (SAS) is reported to be between 1 and 10%. In the present study, 220 nonselected male patients (age range: 45.1 +/- 11.4 years, Brocca index 109.0 +/- 18.0%, 147 cases of chronic bronchitis, 65 of bronchial asthma, 8 with other diseases of the airways, 44.1% obstructive ventilation disturbances, 41.8% smokers) were investigated. As a screening method, nocturnal monitoring of oxygen saturation with the aid of a digital pulse oximeter (Draeger) was carried out. On average, 65.4 +/- 136.5 cases of desaturation to less than 90% SaO2/8 hours sleep were observed. In 48 patients with a Brocca index of more than 120%, desaturations at 156.1 +/- 244.5 were significantly more frequent than in 172 patients with a low relative weight (40.2 +/- 67.0, p less than 0.0001). Forty-eight patients (21.8%) revealed more than 80 episodes of SaO2 drops per night. Twenty-two patients were submitted to polysomnographic investigation. In 13 patients--6% of the overall group--who had more than 100 episodes of apnea/hypopnea (AHI 47.2 +/- 30.1), a sleep apnea syndrome was demonstrated.
authors.forename: M
authors.initials: M
authors.lastname: Jackowski
authors.forename: J
authors.initials: J
authors.lastname: Fischer
authors.forename: K
authors.initials: K
authors.lastname: Körner
authors.forename: K
authors.initials: K
authors.lastname: Dahmen
mesh_terms: D000328:Adult; D003430:Cross-Sectional Studies; D006801:Humans; D000860:Hypoxia / Q000175:diagnosis; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010092:Oximetry; D011446:Prospective Studies; D012891:Sleep Apnea Syndromes / Q000175:diagnosis*; D012894:Sleep Stages / Q000502:physiology
vernacular_title: Untersuchungen zur Prävalenz des Schlafapnoe-Syndroms bei Patienten mit chronischen Erkrankungen der Atmungsorgane mittels Pulsoxymetrie und Polysomnographie.