Abstract
PURPOSETo assess the relevance of virtual reality distraction (VR) during uterovaginal brachytherapy applicators’ removal, as an alternative to nitrous oxide (N2O) conscious sedation, to decrease anxiety and pain perception. METHODS AND MATERIALSWe prospectively evaluated 35 patients treated with cervical brachytherapy for locally or locally advanced cervical cancer. Brachytherapy applicators were removed in the patient's room at the end of the treatment. Patients were assigned to N2O conscious sedation (reference group) or VR (experimental group). Anxiety and pain were evaluated with the STAI-E score and with Visual Analogical Scales (VAS). RESULTSFourteen patients were treated with VR and 21 with N2O. STAI-E baselines scores were 35 in the VR group and 38 in the reference group and declined to 30 and 28, respectively after procedure. The mean VAS-anxiety was 2.9 before and 2.7 at the peak in the VR group versus 4.1 and 1.6, respectively in the reference group. The mean VAS-pain was 1.0 before, 3.1 at the peak and 0.4 after the procedure in the experimental group, versus 1.8, 2.0, and 0.6 respectively in the N2O group. Four patients in the VR group experienced mild nausea/vomiting or dizziness during the procedure. The preparation duration was higher in the VR group, with a similar duration for the removal itself. CONCLUSIONSReplacing a medical gas by a virtual reality device was feasible and led to acceptable levels of pain and anxiety. Prospective randomized trials are needed to confirm efficacy and to determine which patients could benefit the most from this approach.
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