Continuous Adductor Canal Block for Total Knee Arthroplasty Analgesia

Institut Kassab d'Orthopédie

Status: Unknown

Conditions: Pain Management; Neuromuscular Blockade

Treatments: Procedure: Continuous femoral nerve block; Procedure: infragluteal Sciatic nerve block; Procedure: Continuous adductor canal block; Drug: Saline; Drug: Ropivacaine 0.2%

Study type: Interventional

Funder types: Other

Identifiers

NCT02387021

P-2015002/AR

Details and patient eligibility

About

The purpose of the study is to determine whether the association of sciatic nerve block to continuous adductor canal block is effective in the treatment of total knee arthroplasty post operative pain .

Enrollment: 80 estimated patients

Sex: All

Ages: 18 to 90 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Elective unilateral TKA,
• Planned continuous spinal anesthesia ,
• Ability to follow study protocol,
• American Society of Anesthesiologists class 1 to 3.

Exclusion criteria

• Contraindication for neuraxial anesthetic,
• Chronic opioid use (defined as daily or almost daily use of opioids for >3 months),
• Hypersensitivity and/or allergies to any of the study medications,
• Intraoperative use of volatile anesthetics,
• Preexisting neuropathy on the operative limb,
• Contraindications to a femoral, adductor canal or Tibial nerve block.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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80 participants in 2 patient groups

Continous femoral nerve block

Active Comparator group

Description:

Patients will receive ultrasound-guided (USG) continuous femoral nerve block with 20 ml ropivacaine 0.2% and USG Continuous adductor canal block with 20 ml of saline and USG infragluteal SNB with 20 ml of saline .

Treatment:

Procedure: infragluteal Sciatic nerve block

Drug: Saline

Procedure: Continuous adductor canal block

Drug: Ropivacaine 0.2%

Procedure: Continuous femoral nerve block

Continuous adductor canal block

Experimental group

Description:

Patients will receive ultrasound-guided continuous adductor canal block with 20 ml ropivacaine 0.2% and USG infragluteal SNB with 20 ml ropivacaine 0.2% and USG continuous FNB with 20 ml of saline .

Treatment:

Procedure: infragluteal Sciatic nerve block

Drug: Saline

Procedure: Continuous adductor canal block

Drug: Ropivacaine 0.2%

Procedure: Continuous femoral nerve block