Dados do Trabalho

Título

POLYSOMNOGRAPHIC FINDINGS ON OBESE PATIENTS SUBMITTED TO BARIATRIC SURGERY

Introdução

: The Obstructive Sleep Apnea Syndrom (OSAS) worses a variety of comorbitys and affects the quality of life. One importante risk fator is the obesity and the polissomnography is the gold standard to diagnosis.

Objetivo

To analyze the sleep findings on obese patients on bariatric surgery preoperatory.

Métodos

Transversal study of 58 polysomnographies of patients on bariatric surgery preoperatory in sleep lab in the year of 2017.

Resultados

56,9% had obesity degree III and 43,1% degrees I and II; 84,5% females and 15,2% males. 70,7% had OSAS diagnosis and the Apnea-Hipopnea Index (AHI) stayed between 0 and 84,6 (media 19,47±22,89 /h). The Corporal Mass Index (CMI) situated between 33,30 and 66,90 (media 41,37±5,83 kg/m²). The variables that were statisticaly significant in the group obese degree III versus degrees I and II: satturation time below 80% and 90% (p=0,02 both), Respiratory Disturbance Index RDI (p=0,02), AHI (p=0,02), Hipopnea Index (p=0,006) and minimal satturation (p=0,004). The factors associated with increase of AHI are: wheight (p=0,007), CMI (p=0,03) and minimal and mean oxygen saturation (p<0,00001 both). The older age (p=0,04) and female sex (p=0,03) were more associated with OSAS.

Conclusões

The high prevalency of OSAS in the study shows the importance of the polysomnography on bariatric surgery preoperatory. The hipopneas are the main obstructive event in these patients.

Palavras-chave

obstructive sleep apnea syndrom; obesity; bariatric surgery