Effectiveness of Hypnosis Via Virtual Reality During Oocyte Retrieval

Free University of Brussels (ULB)

Status: Completed

Conditions: Fertilization in Vitro; Virtual Reality Therapy; Conscious Sedation; Propofol; Remifentanil

Treatments: Drug: Propofol-remifentanil sedation; Device: Virtual reality distraction

Study type: Interventional

Funder types: Other

Identifiers

NCT05244538

HYPNOFIV

Details and patient eligibility

About

This study compares hypnosis via virtual reality to sedation with commonly used intravenous anesthetic agents (propofol and remifentanil) during oocyte retrieval.

The main objective of this prospective randomized controlled study will be a reduction of 50 percent of the doses of remifentanil and propofol administered during oocyte retrieval while maintaining satisfaction with the quality of care.

Full description

Transvaginal ultrasound-guided oocyte retrieval is a fundamental step in the treatment of in vitro fertilization (IVF).

To date, no anesthetic technique has demonstrated superiority in terms of efficacy, tolerance or analgesia.

Virtual Reality Distraction has been studied for its clinical applications.

Patients will be included during the consultation with either the gynecologist or the anesthetist who will explain the protocol to the patient and give her consent to sign.

After obtaining their informed consent, the patient will be randomized into two groups based on a computer-generated randomization list (QuickCalcs program; GraphPad Software Inc) either into the experimental or in the control group.

In the experimental group, patients will benefit from a 20-minute virtual reality. Patients will watch a forest walk in virtual reality while listening to narrations designed to induce relaxation and meditation. If the oocyte retrieval was not completed within 20 minutes, the patient will watch the virtual reality program again. The target-controlled infusion of remifentanil and propofol will be connected to the patient, and only titrated to patient's comfort.

In the control group, patients will immediately benefit from an infusion of remifentanil and propofol titrated in a well-protocolized manner according to the patient's comfort.

Enrollment: 48 patients

Sex: Female

Ages: 18 to 45 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Adult female patients undergoing oocytes retrieval for in vitro fertilization

Exclusion criteria

• Presence of any psychiatric disorders
• Presence of a visual acuity disorder or hearing abnormality.
• Dementia
• Limited knowledge of French
• Diagnosis of balance disorders or epilepsy
• Claustrophobia
• Stage 4 endometriosis.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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48 participants in 2 patient groups

Virtual Reality Distraction

Experimental group

Description:

In the experimental group, patients will benefit from a 20-minute VR. Patients will watch a forest walk in virtual reality while listening to narrations designed to induce relaxation and meditation. If the oocyte retrieval was not completed within 20 minutes, patients will watch the same VR program again.The TCI remifentanil and propofol will be connected to the infusion but will be stopped and titrated if discomfort.

Treatment:

Device: Virtual reality distraction

Sedation group

Active Comparator group

Description:

Target controlled infusion (TCI) of remifentanil will be started at an effect concentration (Ce) of 1.5 ng/mL and TCI propofol at Ce 1.5 ug/mL. The concentration of remifentanil will be adjusted in 0.5 ng/ml increments based on hand sign from the patient with a maximum effect concentration of remifentanil at 2.5 ng/ml. The concentration of propofol will be adjusted by an effect concentration of 0.5 ug/ml with a maximum of 1.5 ug/ml, in this case according to a 5-point scale 1. fully awake and oriented 2. drowsy 3. eyes closed, responds quickly to verbal commands 4. eyes closed, aroused only by mild physical stimulation 5. eyes closed, not aroused by mild physical stimulation) A sedation score of 3 will be the target throughout the procedure.

Treatment:

Drug: Propofol-remifentanil sedation