Background: Uric acid monitoring have great importance in obese patients as the high levels are related to the worsening of cardiovascular and metabolic diseases, bariatric surgery is effective in improving health conditions and comorbidities.
Methods: The retrospective study consisted of patients from a private clinic in the South of Brazil submitted to Y-de-Roux gastric bypass between 2015 and 2016. The pre-surgical and 6-month post-operative times were compared in relation to the lost weight and uric acid levels. The statistical analysis was performed by Software R (R Core Team, 2018), using the Tukey test at 5% significance.