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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/221161
Effect of an informative video on anxiety and hemodynamic parameters in patients requiring mandibular third molar extraction: a randomized clinical trial
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Purpose: The purpose was to determine the effect of watching an informative video about mandibular third molar (M3M) removal on patient anxiety and hemodynamic parameters. Patients and methods: A randomized controlled clinical trial was carried out in healthy patients (aged between 18 and 40 years) requiring M3M extraction under local anesthesia. Patients with previous tooth extractions, psychiatric disorders, or cardiac problems or patients undergoing anxiolytic or antidepressant drug treatment were excluded. Participants were randomized into 2 groups according to whether they watched an informative video about the surgical procedure (video group) or not (control group). The primary outcome variable was the difference between groups regarding patient anxiety assessed with the State-Trait Anxiety Inventory (STAI) and the Modified Dental Anxiety Scale (MDAS). The secondary outcome variables were hemodynamic parameters recorded during different moments of the surgical procedure. Descriptive, bivariate, and multivariate analyses were performed, and a repeated-measures mixed model was generated. Statistical significance was considered for P < .05. Results: Fifty patients referred for M3M extraction met the inclusion criteria. The final data analysis was based on 47 patients: 25 from the video group and 22 controls. The bivariate analysis showed the video group to have a significant decrease in anxiety as measured by the MDAS (P = .006; 95% confidence interval [CI], -4.1 to -0.7) and STAI-State (P = .003; 95% CI, -13.7 to -0.7). A significantly lower heart rate was likewise found in the video group (χ2 = 4.30, df = 1, P = .038). The linear regression analysis adjusting for the STAI-Trait also showed lower dental anxiety measured by the MDAS in the video group (P = .023; 95% CI, 0.32 to 4.14). Conclusions: Providing preoperative information through an informative video about M3M removal significantly reduces patient anxiety and heart rate during the surgical procedure.
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TOLEDANO-SERRABONA, Jorge, SÁNCHEZ TORRES, Alba, CAMPS FONT, Octavi, BARBOSA DE FIGUEIREDO, Rui pedro, GAY ESCODA, Cosme, VALMASEDA CASTELLÓN, Eduardo. Effect of an informative video on anxiety and hemodynamic parameters in patients requiring mandibular third molar extraction: a randomized clinical trial. _Journal of Oral and Maxillofacial Surgery_. 2020. Vol. 78, núm. 11, pàgs. 1933-1941. [consulta: 2 de febrer de 2026]. ISSN: 0278-2391. [Disponible a: https://hdl.handle.net/2445/221161]