The Value of Standardized Respiratory Rate Monitoring Exercises During Rheumatological Injection Procedures

Pain Management, Respiratory Monitoring, Rheumatological Injection

rheumatological injection, local anesthesia during intra-articular injection, respiratory rate monitoring

The goal of this clinical trial is to demonstrate the non-inferiority of standardized breathing control exercises on perceived pain during rheumatological injections procedures compared to standard care consisting of the addition of a local anesthetic. The study population will consist of patients scheduled to undergo therapeutic ultrasound-guided joint or periarticular injection. The main question it aims to answer is: * Non-inferiority of breathing exercises compared to the addition of local anesthetic on pain and anxiety experienced during an infiltration procedure. * Correlation between the reduction in pain and anxiety experienced during a procedure and the cardiac coherence score obtained. Researchers will compare the anesthesia group (Arm A), which will receive local anesthesia with 5 cc of lidocaine before the infiltration procedure to the breathing group (Arm B), which will receive instructions before the injection procedure on how to perform 5-minute breathing cycles to facilitate the achievement of cardiac coherence to see if the pain perceived in Arm B is not greater than the pain perceived in Arm A. Participants will be kept blind to their randomization group. Arm A (anesthesia) will receive SHAM breathing exercises, while Arm B (breathing) will receive a placebo injection of anesthetic.

This randomized, controlled, single-blind, single-center non-inferiority study aims to evaluate the impact of local anesthesia and breathing exercises on pain and anxiety management during joint or periarticular injections. Participants are patients referred to a rheumatology consultation or referred by an outside physician for injections requiring local anesthesia, such as those performed on the shoulder, elbow, knee, hip, or ankle. Patients will be kept blind to their randomization group. In both groups, continuous heart rate recording will be performed during the procedure using the EmWave PRO device (to assess cardiorespiratory variability and calculate a cardiac coherence score). In the anesthesia group, local anesthesia with 5 cc of lidocaine will be administered before the infiltration procedure, and the patient will receive breathing instructions as part of SHAM management, which will prevent them from achieving cardiac coherence. In the breathing group, patients will perform 5-minute breathing exercises before the procedure (10-second cycles: 5 seconds of inhalation and 5 seconds of exhalation) to enable them to achieve the expected analgesic cardiac coherence. The practitioner performing the procedure will use 5 cc of saline solution instead of the usual anesthesia. After infiltration, participants' pain, anxiety, and satisfaction will be measured using EVA scale.

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