Sonography-guided Pericapsular Never Group Block for Hip Arthroplasty

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

71 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-10

Study Completion Date

2021-03-31

Brief Summary

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In this study, the investigator will examine the efficacy of Pericapsular nerve group (PENG) block in hip arthroplasty as a post-operative pain management technique, study the analgesia, opioid-sparing effects and motor-blocking effects of the PENG block

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Detailed Description

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PENG Block group (PG) will receive 0.5%Ropivacaine in 20 ml of saline. Sham Block group (SG) will receive 20 ml of saline Patient will be sedated with IV midazolam before nerve block. After peripheral nerve block ,general anesthesia will be conducted using sufentanyl, propofol and rocuronium for induction and propofol and sevoflurane for maintenance. Tests will be operated after procedure，and recorded up to 48 hours after surgery.

Conditions

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Arthroplasty Nerve Block Analgesia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Pericapsular nerve group block

Group Type EXPERIMENTAL

pericapsular nerve group block

Intervention Type PROCEDURE

Branches of both the FN and ON provide innervation to the anterior hip capsule. High and low branches of FN provided the majority of innervation to the lateral and superomedial hip capsule. The AON innervates the medial capsule.Both of the nerve close to the periosteum between the iliopubic eminence and AIIS ,by using ultrasound guided technique,these sites can be potential bony landmarks provid approch to the nerve group.

Saline placebo group

Group Type PLACEBO_COMPARATOR

pericapsular nerve group block

Intervention Type PROCEDURE

Branches of both the FN and ON provide innervation to the anterior hip capsule. High and low branches of FN provided the majority of innervation to the lateral and superomedial hip capsule. The AON innervates the medial capsule.Both of the nerve close to the periosteum between the iliopubic eminence and AIIS ,by using ultrasound guided technique,these sites can be potential bony landmarks provid approch to the nerve group.

Interventions

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pericapsular nerve group block

Branches of both the FN and ON provide innervation to the anterior hip capsule. High and low branches of FN provided the majority of innervation to the lateral and superomedial hip capsule. The AON innervates the medial capsule.Both of the nerve close to the periosteum between the iliopubic eminence and AIIS ,by using ultrasound guided technique,these sites can be potential bony landmarks provid approch to the nerve group.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients scheduled for hip arthroplasty

Exclusion Criteria

* allergy to local anesthetics
* infection at the injection site
* patients receiving opioids for chronic analgesic therapy
* other lower limb neuropathies
* inability to comprehend visual analog scale (VAS)
* preexist cognitive dysfunction

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No