Purpose: To assess the analgesic and anxiolytic effects of virtual reality (VR) augmentation in patients undergoing peripherally inserted central catheter (PICC) placement or fine-needle aspiration thyroid biopsy.
Materials and methods: This is a prospective, single-center randomized controlled trial with 107 patients enrolled. Patients were randomly assigned to receive standard of care (SOC) or SOC+VR during PICC or thyroid biopsy procedures. Pain and anxiety were individually measured using the visual analog scale (VAS) before and after the procedure. Vital signs including heart rate and systolic and diastolic blood pressure were recorded. One-way analysis of variance test and Games-Howell post hoc analysis were used to assess effect size and statistical significance between SOC and SOC+VR measures.
Results: The PICC cohort consisted of 59 patients (33 in SOC+VR and 26 in SOC), with a median age of 53.1 years (interquartile range [IQR], 38.3-62.7 years). The thyroid biopsy cohort consisted of 48 patients (26 in SOC+VR and 22 in SOC), with a median age of 60.1 years (IQR, 49.0-67.2 years). One-way analysis of individuals undergoing thyroid biopsies with adjunctive VR revealed an effect size of -1.74 points (SE ± 0.71; P = .018) on VAS pain scale when compared with SOC. Analysis of individuals undergoing PICC placements revealed an effect size of -1.60 points (SE ± 0.81; P = .053) on VAS anxiety when compared with SOC.
Conclusions: VR as a nonpharmacologic adjunct reduced some procedure-related pain and anxiety without increasing the procedural duration.
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