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Completed

NCT Number: NCT07838480

Ultrasound Guided Femoral Nerve Block Versus Adductor Canal Block by Using Bupivacaine and Magnesium Sulphate for Post-Operative Analgesia

Ultrasound Guided Femoral Nerve Block versus Adductor Canal Block by Using Bupivacaine and Magnesium Sulphate

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Key information

Conditions

Knee Arthroscopic Surgery Agnosia Analgesia Femoral Nerve Block (FNB) Nervous System Diseases Neurobehavioral Manifestations Neurologic Manifestations Pathological Conditions, Signs and Symptoms Perceptual Disorders Signs and Symptoms

Age range

21 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Tanta University

Tanta, Egypt

About this study

Ultrasound Guided Femoral Nerve Block versus Adductor Canal Block by Using Bupivacaine and Magnesium Sulphate for Post-Operative Analgesia after knee Arthroscopic Surgeries: A Randomized Controlled Study

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 21-60 years,
  • both sexes, American Society of Anesthesiologists classification I-II and - -patients scheduled for elective Knee arthroscopic surgeries under spinal anesthesia.

Exclusion criteria

  • Patient refusal.
  • Patients on chronic pain medications or have a history of substance abuse.
  • Patients who are unable to describe their postoperative pain (neuropsychiatric disorder).
  • Patients with a history of coagulopathy.
  • Patient with morbid obesity (body mass index ≥40 kg/m2).
  • Patients with known local anesthetics and opioid allergy.
  • Patients with infection at the site of the needle puncture.
  • Patients with major respiratory, cardiac, renal or hepatic disorders.
  • Patients on calcium channel blockers.

Treatment and study plan

Group I: control group

Procedure

Group I: 30 Patients will receive the standard spinal anesthesia 12.5 mg (2.5 ml) of 0.5% hyperbaric bupivacaine with 25 µg of fentanyl (0.5 ml), with no intervention as a control group.

Group II: Ultrasound Guided Femoral Nerve Block

Procedure

Group II: 30 Patients will receive the standard spinal anesthesia 12.5 mg (2.5 ml) of 0.5% hyperbaric bupivacaine with 25 µg of fentanyl (0.5 ml), then US guided FNB will be performed at the end of surgery, with 20 ml of 0.25% bupivacaine with 5 ml of magnesium sulfate 10% solution (500 mg) with total volume of 25 ml.

group III : Adductor Canal Block group

Procedure

Group III: 30 Patients will receive the standard spinal anesthesia 12.5 mg (2.5 ml) of 0.5% hyperbaric bupivacaine with 25 µg of fentanyl (0.5 ml), then US guided ACB will be performed at the end of surgery, with 20 ml 0.25% bupivacaine with 5 ml of magnesium sulfate 10% solution (500 mg) with total volume of 25 ml.

Primary outcomes

  1. The total post-operative morphine consumption

    Time frame: 24 hours postoperatively

Secondary outcomes

  1. Assessment of pain by Numeric Rating Scale

    Time frame: Immediately after discharge to the PACU and ward at 1hour, 3hour, 6hour, 12hour, 24 hours.

Interested in participating?

Completed

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Sponsors and collaborators

Lead sponsor

Tanta University

Other

Registry information

Official study title

Ultrasound Guided Femoral Nerve Block Versus Adductor Canal Block by Using Bupivacaine and Magnesium Sulphate for Post-Operative Analgesia After Knee Arthroscopic Surgeries

Important dates

Study start
2024
Primary completion
2025
Study completion
2025
First posted
Sep 24, 2026
Registry last updated
Sep 24, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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