• Ana S Arango-Gutiérrez, Laura J Buitrago-Cifuentes, Ana M Medina-Hinestroza, Sergio A Molina-Paniagua, Eliseo Moreno, Johan S Rivera-Díaz, Elsa M Vásquez-Trespalacios, Mario A Arcila-Lotero, and María P González-Obregón.
• Programa de Anestesiología, Universidad CES. Medellín, Colombia.
• Cir Cir. 2019 Jan 1; 87 (5): 545-553.

ObjectiveTo determine if sonotherapy reduces the anxiety level and postoperative pain in adults undergoing outpatient orthopedic surgery under regional anesthesia.MethodA randomized, double-blind, placebo-controlled study in 80 adult patients undergoing orthopedic surgery, 40 received intervention with sonotherapy and 40 did not receive it. Pain, anxiety in the preoperative period, immediate postoperative, high, 24 and 48 hours later were measured. Hemodynamic parameters were measured in four moments.ResultsNo significant differences were found between the two groups in the pain scales neither anxiety. A significant reduction of the systolic blood pressure was observed after the application of sonotherapy and in recovery. There was no difference in other hemodynamic variables such as heart rate, respiratory rate, arterial oxygen saturation or diastolic blood pressure between groups, however, the observed changes in some of them occurred faster in the intervention group.ConclusionsIn adult patients undergoing outpatient orthopaedic surgery under regional anaesthesia, sound therapy is a novel strategy that significantly reduces systolic blood pressure, considered as an indicator of decreased anxiety. However, in our study, no difference could be demonstrated in terms of pain control or the need for additional sedation or analgesia.Copyright: © 2019 Permanyer.

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