• Gisele Vissoci Marquini, PinheiroFrancisco Edes da SilvaFEDS0000-0003-3443-183XDepartment of Gynecology, Hospital Municipal Maternidade Dr. Odelmo Leão Carneiro, Uberlândia, MG, Brazil., VieiraAlfredo Urbano da CostaAUDC0000-0002-0488-3256Department of Gynecology, Hospital Municipal Maternidade Dr. Odelmo Leão Carneiro, Uberlândia, MG, Brazil., PintoRogério Melo da CostaRMDC0000-0002-3397-5803Faculty of Mathematics, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil., UyedaMaria Gabriela Baumgarten KusterMGBK0000-0003-4189-3645Department of Gynecology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil., GirãoManoel João Batista CastelloMJBC0000-0002-1206-9377Department of Gynecology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil., and SartoriMarair Gracio FerreiraMGF0000-0002-3001-6076Department of Gynecology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil..
• Department of Gynecology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
• Rev Bras Ginecol Obstet. 2020 Aug 1; 42 (8): 468-475.

Objective To investigate the effects of preoperative fasting abbreviation with a carbohydrate and protein-enriched solution, on postoperative nausea and vomiting (PONV) incidence in gynecological surgery patients, a population naturally at risk for such unpleasant episodes.Methods The present prospective double-blind randomized study was performed at The Hospital Municipal e Maternidade Dr. Odelmo Leão Carneiro (HMMOLC, in the Portuguese acronym), in Uberlândia, state of Minas Gerais, Brazil, in partnership with the Gynecology Department of the Universidade Federal de São Paulo (UNIFESP), approved by the Human Research Ethics Committee of UNIFESP and the board of HMMOLC, and included in the Brazil Platform and in the Brazilian Clinical Trial Registry. After signing the consent form, 80 women, who were submitted to gynecological surgery in the period from January to June 2016, were randomized into 2 groups: control group (n = 42) and juice group (n = 38). They received, respectively, 200 mL of inert solution or liquid enriched with carbohydrate and protein 4 hours presurgery. The incidence, frequency and intensity of PONV were studied using the Visual Analogue Scale (VAS), with statistical analysis performed by the software IBM SPSS Statistics for Windows, Version 20.0 (IBM Corp, Armonk, NY, USA).Results The incidence of nausea and vomiting was lower than in the literature, to this population, with 18.9% (14/74) for the control group and 10.8% (8/74) for the juice group, respectively, with no statistically significant difference between the groups.Conclusion The incidence of nausea and vomiting was lower than in the literature, but it cannot be said that this is due to the abbreviation of fasting. It can provide greater comfort, with the possibility of PONV prevention in patients at risk for these episodes.The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).

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