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Enfermería Global

versión On-line ISSN 1695-6141


SILVA, Thales Philipe Rodrigues da et al. Quality of life of patients who have undergone bariatric surgery: a cross-sectional study. Enferm. glob. [online]. 2020, vol.19, n.58, pp.305-350.  Epub 18-Mayo-2020. ISSN 1695-6141.


Analyze factors that influenced the quality of life (QoL) of patients after bariatric surgery.


A cross-sectional study was carried out, involving 307 adult bariatric surgery patients between 2012 and 2014. Data was obtained from the electronic patient records and telephone interviews. To assess the QoL, the World Health Organization Quality of Life-Bref (WHOQOL-bref) was used. A simple linear regression model was constructed, adjusted by sociodemographic variables, with p<0.05.


The domains with the worst scores were the physical (mean=58.45; SD±10.42) and environmental (mean=65.19; SD±11.36). The best domains were the social (mean=76.51; SD±15.71) and psychological (mean=68.70; SD±15.71). In the linear regression model, it was observed that time since the surgery was inversely associated with the physical health domain. For each month post-bariatric surgery, the patient's average score dropped by 2.66 points, adjusted by sex and age.


Time since the surgery could be an important determinant of the physical domain score of quality of life. Identifying the quality of life after bariatric surgery and influential factors is fundamental to prepare these patients for the changes deriving from the weight loss.

Palabras clave : Bariatric Surgery; Epidemiology; Obesity; Quality of Life; Surgery.

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