Tow Techniques of Adductor Canal Block for Analgesia After Total Knee Replacement

Chinese Academy of Medical Sciences & Peking Union Medical College

Status: Completed

Conditions: Nerve Block; Analgesia; Total Knee Arthroplasty

Treatments: Procedure: ultrasound-guided short-axis placement of catheter at the entrance of the adductor canal; Procedure: ultrasound-guided long-axis placement of catheter at the middle of the adductor canal

Study type: Interventional

Funder types: Other

Identifiers

NCT03942133

CXL1

Details and patient eligibility

About

This study compares the tow technique of continues adductor canal block for total knee replacement surgery. Half participants will receive catheterization at the entrance of the adductor canal, while the other half will receive catheterization at the middle point of the adductor canal.

Enrollment: 62 patients

Sex: All

Ages: 18 to 80 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• 18-80 years
• Knee-arthroscopy
• Written consent
• ASA I-III
• BMI 19-35

Exclusion criteria

• Unable to communicate with the investigators (e.g., a language barrier or a neuropsychiatric disorder).
• coagulopathy or on anticoagulant medication
• Allergic reactions toward drugs used in the trial
• History of substance abuse
• Infection at injection site
• Can not be mobilised to 5 meters of walk pre-surgery

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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62 participants in 2 patient groups

entrance placement of adductor canal catheter

Experimental group

Treatment:

Procedure: ultrasound-guided short-axis placement of catheter at the entrance of the adductor canal

middle point placement of adductor canal catheter

Experimental group

Treatment:

Procedure: ultrasound-guided long-axis placement of catheter at the middle of the adductor canal