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

Condition(s) studied

Investigational drug(s) / intervention(s)

Adductor Canal Block (ACB): Evaluation of postoperative analgesic effectiveness of ACB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Genicular Nerve Block (GNB): Evaluation of postoperative analgesic effectiveness of GNB block in participants undergoing arthroscopic knee surgery under spinal anesthesia.

Study summary

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.

Eligibility

Primary outcome measure(s)

• Effectiveness on Pain Scores (NRS) — Postoperative 24 hours
  Postoperative pain assessment is performed using the Numerical Rating Scale (NRS). Participants are asked about their rest pain at Baseline 0, postoperative 1st, 2nd, 4th, 6th, 12th, and 24th hours after applying a preoperative peripheral nerve block. With this method, participants rate their pain with a precise numerical value from 0 to 10. While zero(0) represents "no pain"; Ten (10) represents the opposite end of the pain continuum (e.g., "The most intense pain imaginable," "As intense pain as possible," "Maximum pain").

Trial sites (1)

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