CPB for Arthroscopic Hip Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

74 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-12-01

Study Completion Date

2025-12-31

Brief Summary

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Arthroscopic hip surgery is being increasingly performed to treat both intraarticular and extraarticular hip diseases. Despite the minimally invasive approach, patients undergoing arthroscopic hip surgery still suffer severe pain due to the complex nature of hip innervation. Postoperative pain reduces patient satisfaction and delay patient recovery and discharge. The efficacy of regional anesthesia techniques in postoperative pain management have been proved in various surgeries. However, it remains controversial whether or not peripheral nerve blocks can significantly improve postoperative analgesia after hip arthroscopy.

Several studies have shown that the fascia iliac block cannot improve postoperative analgesia for hip arthroscopy because it blocks only some branches of the lumbar plexus but not the sacral plexus. Circum-Psoas Block (CPB) which has been defined in recent years is able to block the lumbar plexus nerves as well as sacral plexus such as the sciatic, superior gluteal, and inferior gluteal nerves. Therefore, the investigators predict that it can provide effective postoperative analgesia for hip arthroscopy. In this study, the researchers aim to investigate the effectiveness of CPB in hip arthroscopy.

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Detailed Description

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Conditions

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Acute Pain Opioid Use

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Ultrasound guided circum-psoas block

Injection of 20ml 0.2% ropivacaine around the antero-lateral margin of psoas major muscle at the level of iliac crest with an in-plane approach under ultrasound guidance. Then the transducer was placed at the level of Lumbar vertebra 5 to obtain the paramedian transverse plane of the intertransverse ligament and lumbosacral ligament. An additional 20ml 0.2% ropivacaine was injected when the needle punctured the lumbosacral ligament.

Group Type ACTIVE_COMPARATOR

Circum-psoas Block

Intervention Type PROCEDURE

Ultrasound-guided circum-psoas block with 40 mL of treatment drug (Ropivacaine 0.2% \[local anesthetic\]) 30 minutes prior to induction of anesthesia.

Sham block

Perform ultrasound scanning without puncture.

Group Type PLACEBO_COMPARATOR

Sham block

Intervention Type PROCEDURE

Perform ultrasound scanning without puncture.

Interventions

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Circum-psoas Block

Ultrasound-guided circum-psoas block with 40 mL of treatment drug (Ropivacaine 0.2% \[local anesthetic\]) 30 minutes prior to induction of anesthesia.

Intervention Type PROCEDURE

Sham block

Perform ultrasound scanning without puncture.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Primary unilateral ambulatory hip arthroscopy
* Age 18 to 70 years
* ASA physical status I to III
* Ability to follow the protocol.

Exclusion Criteria

* Age \<18 or \>70 years of age
* BMI above 40
* Contraindications to peripheral nerve blockade
* Pregnancy
* Chronic pain condition requiring opioid intake at home
* Allergy to opioids or local anesthetics
* Patient refusal

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No