Retrolaminar Block Analgesia and Patient Comfort During Prone ESWL

Condition(s) studied

Investigational drug(s) / intervention(s)

Retrolaminar block: Ultrasound-guided retrolaminar block performed prior to prone-position ESWL. This intervention is applied only to participants in the RLB Group. Patients will be monitored for pain intensity (VAS), vital signs, procedural duration, and any adverse events during and after the procedure. Rescue analgesia will be administered if clinically indicated.

Sedoanalgesia: Standard sedoanalgesia administered during prone-position ESWL. This intervention is applied only to participants in the Sedation Group. Pain intensity (VAS), vital signs, procedural duration, and any adverse events will be monitored. Rescue analgesia will be provided as needed.

No Intervention / None: No additional regional block or sedoanalgesia; standard monitoring only. This applies only to participants in the Control Group. Pain intensity (VAS), vital signs, procedural duration, and any adverse events will be monitored. Rescue analgesia will be provided if clinically indicated.

Study summary

The purpose of this prospective, observational study is to evaluate the effect of retrolaminar block (RLB) on patient comfort and analgesic effectiveness during extracorporeal shock wave lithotripsy (ESWL) procedures. The main questions the study aims to answer are:

Does retrolaminar block reduce pain intensity during ESWL?

Does retrolaminar block improve patient comfort during ESWL?

Participants will undergo the following interventions:

RLB Group: Retrolaminar block performed under ultrasound guidance prior to ESWL.

Sedation Group (S): Standard sedoanalgesia administered.

Control Group (C): No additional regional block or sedoanalgesia applied.

Participants will be monitored for pain levels, procedural duration, hemodynamic parameters, and the need for additional analgesics. The study aims to determine whether retrolaminar block can serve as a safe and effective analgesic method during ESWL procedures.

Eligibility

Primary outcome measure(s)

• Pain Intensity — Assessed using the Visual Analog Scale (VAS; 0 = no pain, 10 = worst pain) at four time points: baseline, immediately post-procedure, 30 minutes post-procedure, and 60 minutes post-procedure.
  Pain intensity will be assessed using the Visual Analog Scale (VAS; 0 = no pain, 10 = worst pain) at four time points: before ESWL (baseline), immediately after the procedure, 30 minutes post-procedure, and 60 minutes post-procedure. This outcome evaluates the analgesic effectiveness of Retrolaminar Block, Sedoanalgesia, or no intervention.

Trial sites (1)

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