Geniculate Nerve Block Versus Adductor Canal Block for ACL Reconstruction 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

RECRUITING

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-26

Study Completion Date

2024-12-30

Brief Summary

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Anterior cruciate ligament repair (ACL) surgery presents moderate to severe pain during the inmediate postoperative period and the first days after surgery. In addition, due to the interest of surgeons and patients for early reinstatement, the use of blockages that decrease the strength of the quadriceps is avoided. Therefore, in recent years, the adductor canal block (ACB) has been used for postoperative analgesia with variable results.

Genicular nerve block (GNB) has been used for pain management in patients with knee osteoarthritis and recently in knee arthroplasty surgery with results similar to the local anesthetic infiltration techniques by the surgeon (LIA). Considering their good results in these patients in addition to being a 100% sensitive block without risk of motor involvement.

The investigators proposed this experimental study to evaluate tha analgesic efficacy of the genicular nerve block (GNB) compared with the adductor canal block (ACB) for the Anterior cruciate ligament (ACL) repair surgery.

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Detailed Description

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Participants scheduled to undergo anterior cruciate ligament reconstruction under general anaesthesia will be allocated to two groups: Adductor canal block or Genicular nerve block- The adductor canal block will be performed by the anaesthesiologist under ultrasound guidance prior the surgery, after inducction , using 20 mLs Ropivacaine 0.2%. The genicular nerve block will be performed by the anaesthesiologist under ultrasound guidance prior the surgery, after inducction , using 20 mLs Ropivacaine 0.2% in total.

Postoperative analgesia will include analgesia (Dexketoprofen 75 mg during first 24 hours), acetomiophen 1 gr every 8 hours and tramadol for rescue pain.

Conditions

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ACL Tear Pain, Postoperative

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

UNIcenter Non-randomized trial

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Outcome Assessors

Study Groups

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Adductor canal block

Injection of local anaesthetics under ultrasound guidance in the adductor canal by the anaesthesiologist prior the surgery, after inducction of general anesthesia.

Group Type EXPERIMENTAL

Adductor canal block

Intervention Type PROCEDURE

Injection of the local anesthetic prior to the surgery, either in the the adductor canal or in the genicular nerves by the anesthesiologist under ultrasound guidance.

Genicular nerve block

Injection of local anaesthetics under ultrasound guidance in the genicular nerves ( Superomedial genicular nerve, superolateral genicular nerve and inferomedial genicular nerve) by the anaesthesiologist prior the surgery, after inducction of general anesthesia.

Group Type EXPERIMENTAL

Adductor canal block

Intervention Type PROCEDURE

Injection of the local anesthetic prior to the surgery, either in the the adductor canal or in the genicular nerves by the anesthesiologist under ultrasound guidance.

Interventions

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Adductor canal block

Injection of the local anesthetic prior to the surgery, either in the the adductor canal or in the genicular nerves by the anesthesiologist under ultrasound guidance.

Intervention Type PROCEDURE

Other Intervention Names

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Genicular nerve block

Eligibility Criteria

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Inclusion Criteria

* Patients from 18 to 50 years old scheduled to undergo anterior cruciate ligament reconstruction

Exclusion Criteria

* peripheral neuropathy
* pre-existing femoral neuropathy
* diabetes mellitus
* alcoholism
* drug addiction
* cancer with chemotherapy
* chronic pain state
* Negative of the patient to participate in the study.

Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No