Sleep Disorders |

Prevalence of Sleep Apnea Syndrome in Morbidly Obese Patients FREE TO VIEW

Elena Ojeda, MD; Soledad Lopez, MD; Paula Rodriguez, MD; Liliana Moran, MD; Jose Miguel Rodriguez, MD; Pilar DeLucas, MD
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Hospital Gregorio Marañón, Madrid, Spain

Chest. 2014;145(3_MeetingAbstracts):601A. doi:10.1378/chest.1781090
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SESSION TYPE: Poster Presentations

PRESENTED ON: Saturday, March 22, 2014 at 01:15 PM - 02:15 PM

PURPOSE: To study the prevalence of OSAHS in morbidly obese subjects

METHODS: We studied all patients referred to the unit of sleep and breathing disorders from the obesity unit, with the following inclusion criteria: BMI> 40, acceptance of the performance of the polygraphy. All patients answered a clinical questionnaire aimed to assess: sleep apnea symptoms and cardiometabolic comorbidity. Aditionally, all patients underwent a polygraphic or polysomnographic study. Diagnosis of SAHS was established in the presence of an AHI ≥ 5 and the severity rating was made according SEPAR criteria.

RESULTS: In three years we collected 292 subjects, 115 men, 176 women, mean age 47.1 + / -14; mean BMI 46.7 + / -1.9. SAHS diagnosis was established in 243 cases (83.5% prevalence) of wich 54 (22.2%) had mild OSA, 62 (25.5%) moderate OSA and 127 (52.2%) severe OSA. In patients with OSAHS, Epworth test mean was 7.43 + / - 4.5 and 106 patients had hypertension (43.6%) Dislipemia 89 patients (36.6%), Diabetes 60 patients (24.6%), ischemic cardiopathy 11 patients (4.7%) and cerebrovascular disease 5 patients (2%).

CONCLUSIONS: Subjects with morbid obesity have a very high prevalence of OSAHS in the absence of significant hypersomnolence. The need to treat these patients makes us recommend the routine performance of Polygraphic study, even when they are paucisymptomatic.

CLINICAL IMPLICATIONS: Obesity is a major risk factor for the development of sleep apnea syndrome. CPAP therapy is the treatment of choice for the latter. Moreover, the use of CPAP may reduce perioperative complications in patients who have to undergo bariatric surgery.The need to treat these patients makes us recommend the routine performance of Polygraphic study, even when they are paucisymptomatic.

DISCLOSURE: The following authors have nothing to disclose: Elena Ojeda, Soledad Lopez, Paula Rodriguez, Liliana Moran, Jose Miguel Rodriguez, Pilar DeLucas

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