Comparison of Pain Relief After Arthroscopic Knee Surgery: Adductor Canal Block and Genicular Nerve Block

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

68 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-03-10

Study Completion Date

2025-09-30

Brief Summary

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This prospective randomized study aims to compare the analgesic efficacy of Adductor Canal Block (ACB) and Genicular Nerve Block (GNB) groups to relieve postoperative pain in participants between ages of 18-72 undergoing arthroscopic knee surgery under spinal anesthesia. The main question it aims to answer is:

To demonstrate whether Adductor Canal Block or Genicular Nerve Block is more effective in postoperative analgesia in patients undergoing arthroscopic knee surgery based on pain scores, opioid consumption and patient satisfaction.

Arthroscopic knee surgeries cause severe pain especially with movement in the post-operative period. After surgery, the movements of the participants are severely restricted because of pain, which increases the possibility of complications and postpones post-operative knee exercises. In this study, the participants' pain status, VAS score, opioid consumption and patient satisfaction will be measured with a simple scoring system for 24 hours at predetermined time points and then compared. Both types of blocks have pain-relieving effects. This study will only investigate which one is more effective in reducing pain, and there will be no deficiency in relieving the pain of the participants.

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Detailed Description

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Conditions

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Opioid Use Pain Postoperative Arthroscopic Knee Surgeries

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Patients who are admitted to the orthopedic and traumatology clinic and are scheduled for arthroscopic knee surgery will be informed and monitored prior to the operation under spinal anesthesia. Preoperatively, either Adductor Canal Block (ACB) (Group A) or Genicular Nerve Block (GNB) (Group B) will be applied. Randomization will be performed using a computer-based method (http://www.randomizer.org) with a 1:1 allocation.

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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ACB Group

Participants undergoing arthroscopic knee surgery under spinal anestesia receiving pre operative Adductor Canal Block (ACB)

Group Type ACTIVE_COMPARATOR

Adductor Canal Block (ACB)

Intervention Type PROCEDURE

Evaluation of postoperative analgesic effectiveness of ACB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Genicular Nerve Block

Participants undergoing arthroscopic knee surgery under spinal anestesia receiving pre operative Genicular Nerve Block (GNB)

Group Type ACTIVE_COMPARATOR

Genicular Nerve Block (GNB)

Intervention Type PROCEDURE

Evaluation of postoperative analgesic effectiveness of GNB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Interventions

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Adductor Canal Block (ACB)

Evaluation of postoperative analgesic effectiveness of ACB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Intervention Type PROCEDURE

Genicular Nerve Block (GNB)

Evaluation of postoperative analgesic effectiveness of GNB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Voluntary willingness to participate in the study.
* Patients undergoing arthroscopic knee surgery (meniscus, ACL, arthroscopic intervention etc).
* ASA I-II-III classification.
* Aged between 18-72 years.
* No contraindications for regional anesthesia, and deemed suitable for regional anesthesia by the anesthesiologist.
* Undergoing surgery under spinal anesthesia.
* Fully oriented and able to cooperate.

Exclusion Criteria

* Undergoing surgery under general anesthesia.
* Chronic analgesic use.
* Presence of an active infection at the procedure site.
* Outside the appropriate age range.
* Inability to comply with postoperative pain/NRS follow-ups.
* ASA IV-V classification.
* Non-voluntary patients.
* Pregnancy.

Minimum Eligible Age

18 Years

Maximum Eligible Age

72 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes