Psoas sheath block versus suprainguinal fascia iliaca block for pain after hip replacement

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This single-centre, assessor-blind, randomized controlled trial at Merlin Park Hospital, Galway will compare two regional anaesthesia techniques for postoperative analgesia after elective unilateral total hip arthroplasty. Participants will be randomly assigned to receive either a psoas sheath block (experimental) or a suprainguinal fascia iliaca plane block (control) with allocation concealed in opaque sealed envelopes. The outcome assessor will be blinded to group allocation and common outcomes will include postoperative pain scores and opioid consumption. The trial focuses on adults (ASA I-III) willing to receive regional blocks and provide informed consent.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Participants aged \>18
* Patients scheduled to undergo elective unilateral total hip replacement (THR) surgery.
* Patients who agree to receive regional anaesthetic blocks as part of their post-operative pain management.
* Physical Status: ASA (American Society of Anesthesiologists) physical status classification I-III.
* Patients who are willing and able to provide informed consent, demonstrating an understanding of the trial's purpose, methods, and potential risks.
* Patients who are willing to comply with assessments post-surgery

Exclusion Criteria:

* Allergy to Study Medications
* History of chronic opioid use (\>50mg of oral morphine equivalents per day.
* Any neurological condition affecting the lower extremities (e.g., peripheral neuropathy, radiculopathy) that could interfere with pain assessment or recovery evaluation.
* Infection at Injection Site
* Coagulopathy or Anticoagulant Use: Patients with coagulopathy (INR \>1.5) or who are on anticoagulant therapy that cannot be safely discontinued for the block procedure.
* Severe Respiratory or Cardiovascular Disease: Any severe respiratory or cardiovascular disease (e.g., severe chronic obstructive pulmonary disease, heart failure) that may increase perioperative risk and complicate recovery.
* Cognitive impairment or conditions (e.g., dementia with MMSE \<24) that would prevent reliable pain reporting or compliance with post-operative assessments

Where it's running

• Merlin Park Hospital, Galway
  Galway, Ireland Recruiting

Study contacts

• Study coordinator: Anna L Horgan, MC BCh BAO FCAI
• Email: annahorgan2@gmail.com
• Phone: +353857848200

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.