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CC BY-NC-ND 4.0 · Sleep Sci 2022; 15(S 02): 339-346
DOI: 10.5935/1984-0063.20210009
ORIGINAL ARTICLE

Cognition, emotion, and Obstructive Sleep Apnoea Syndrome before and after severe weight loss treatment

Olga Rodrigues Ribeiro
1   Hospital de Egas Moniz, Neuropsychology Unit; Instituto de Saúde Ambiental - Lisboa - Lisboa - Portugal.
,
Paula Costa
2   IPSS, Associação Living Care - Madeira - Madeira - Portugal.
,
Isabel do Carmo
3   Hospital de Santa Maria, Endocrinology, Diabetes and Metabolism Department - Lisboa - Lisboa - Portugal.
,
Teresa Paiva
4   CENC, Sleep Medicine Centre - Lisboa - Lisboa - Portugal.
,
Maria Luísa Figueira
5   Hospital de Santa Maria, Psychiatry Department - Lisboa - Lisboa - Portugal.
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ABSTRACT

Introduction: This study aimed to compare the results of a conservative method and the Sleeve Gastrectomy procedure for weight loss on the cognitive-emotional performance of severely obese women assessed for Obstructive Sleep Apnoea Syndrome. Material and methods: Two samples consisting of females, approved for Sleeve Gastrectomy (n = 21) and Conservative Treatment (n = 21) underwent night polysomnography and completed a battery of neuropsychological and emotional tests before and 6 months after the interventions. We compared intra- and inter-sample results, post interventions result to controls, and treated patients with Obstructive Sleep Apnoea Syndrome.

Results: Anthropometry, immediate memory, attention, executive functions, and emotional maladjustment improved after the interventions. The conservative method showed better results for inhibitory control, and surgery showed better results for cognitive flexibility, speed of information processing and general cognitive and emotional performance for women with Obstructive Sleep Apnoea Syndrome. Learning decreased following both interventions. Memory and cognitive flexibility were lower in the comparison group than in control groups.

Discussion: Treatments impacted different cognitive domains with probable influence on the objectives achieved. Lower middle pressure for behaviour modification may have reduced learning after interventions. The reduction of depression/anxiety in women with Obstructive Sleep Apnoea may result from the improvement of the social effects of both conditions. Although with better results for the surgical method, anthropometric reductions in both methods, positively influenced the cognitive/emotional domains. The maintenance of cognitive weaknesses implies longer and more focused interventions to avoid the regression of results like the worsening of Obstructive Sleep Apnoea Syndrome.

Keywords:

Cognition - Expressed Emotion - Sleep Apnea Syndromes - Weight Reduction Programs


Publication History

Received: 01 December 2020

Accepted: 05 April 2021

Article published online:
01 December 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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