Funding for this research was provided by:
Fundo de Incentivo à Pesquisa e Eventos (15-0172)
Text and Data Mining valid from 2019-01-07
First Online: 7 January 2019
Compliance with Ethical Standards
: Ana Paula Naspolini, Juliana Catucci Boza, Vinicius Duval da Silva, and Tania Ferreira Cestari have no conflicts of interest to declare.
: The research for this paper was financially supported by the Research and Events Incentive Fund (FIPE), HCPA, Brazil. In addition, this study received financial support from Aché Laboratory (Guarulhos, Brazil), Dr. Roller, MTO Importadora e Distribuidora (São Leopoldo, Brazil), and Vydence Medical Company (São Carlos, Brazil), who provided the anesthetics and devices used in this study.
: This study was performed in accordance with the ethical standards of the Declaration of Helsinki, and was approved by the Ethics Committee of the Clinical Hospital of Porto Alegre (CAAE: 47639415.1.0000.5327).
: All patients were provided complete information regarding the procedures, and subsequently signed informed consent forms.