Impact of Immersive Virtual Reality (IVR) on Respiratory Effort: A Pilot Study in Healthy Adults

This pilot randomized crossover study will evaluate the acute effects of immersive virtual reality (IVR) on respiratory effort during submaximal exercise in healthy adults. Dyspnea and increased respiratory effort are influenced not only by mechanical and metabolic factors, but also by emotional and central neural inputs. IVR has shown potential to reduce anxiety, promote relaxation, and modulate physiological responses, but its direct effect on respiratory effort has not been adequately studied. Healthy adults will complete two experimental exercise sessions: one session with IVR and one session without IVR, in randomized order. In both conditions, participants will perform a 6-minute constant-load cycling test at a submaximal workload individualized from a prior incremental exercise test. Respiratory effort will be assessed continuously using esophageal pressure monitoring. Additional measurements will include ventilatory variables, perceived dyspnea, acute state anxiety, heart rate, oxygen saturation, and heart rate variability. The primary aim is to determine whether IVR reduces respiratory effort compared with the control condition. This pilot study is intended to provide physiological evidence on the potential role of IVR as a non-pharmacological strategy to modulate respiratory effort and dyspnea, and to inform future research in clinical populations.

This description comes directly from the study's public registry record.

Gonzalo A Valdivia Lobos, Physiotherapy  ·  +56971367803  ·  gavaldivia@uc.cl

Felipe Damiani R., PhD  ·  +56966698823  ·  lfdamiani@uc.cl

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