Impact of smoking on the severity of Obstructive Sleep Apnea Hypopnea Syndrome

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Jihen Ben Amar
Amani Ben Mansour
Haifa Zaibi
Boutheina Ben Safta
Besma Dhahri
Hichem Aouina

Abstract

Background: Smoking is an established risk factor of several respiratory and extra respiratory diseases. However, the effect of smoking on obstructive sleep apnea syndrome (OSAS) is not well characterized. The purpose of this work is to study the influence of smoking on the severity of OSAS.

Methods:    We performed a retrospective study, which included patients with an obstructive sleep apnea syndrome diagnosed in the pulmonology department of Charles Nicolle Hospital in Tunis, during the period from January 2008 to December 2014.

Results: We collected 104 patients with obstructive sleep apnea syndrome. The average age of patients was 49,4 years (14-81 years). The majority of patients were women (53,8%). Thirty two patients were smokers with an average consumption of 27 PA. The reasons for consultation were nocturnal snoring (90%), daytime sleepiness (77%), respiratory pauses (53%), nocturia (35%), daytime fatigue (34%) and headache (29% ). The average weight was 92 kg. The average BMI was 33 kg / m2. The average waist circumference was 98 cm. On average, the Epworth score was 12. The apnea hypopnea index was on average 32 / h. A slight OSAS was noted in 28,8% of cases, moderate OSAS in 14,4% of cases and severe OSAS in 53,8% of cases. The number of desaturations averaged 155. The CPAP treatment was fixed in 61 patients (58%) and self-controlled in 5 patients (4,8%). Adherence was checked in 48 patients (46%) and it was good in 85% of cases. The comparison between the smoking and non-smoking subjects was about; the Epworth scale, FEV, AHI, mean SpO2 and observance of treatment but no significant difference was found

Conclusion: Although our study did not find any difference between smokers and non smokers, smoking cessation takes an important place for management of a patient with OSAS.

Keywords:

Tobacco, apnea, hypopnea, sleep, severity

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