Does a Single Shot Femoral Nerve Block Alone Produce Appropriate Pain Relief?

Hillel Yaffe Medical Center

Status: Completed

Conditions: Post-operative Pain

Treatments: Drug: Combined nerve blocks; Drug: Patient-controlled analgesia; Drug: Femoral Nerve Block

Study type: Interventional

Funder types: Other

Identifiers

NCT01303120

0021-11-HYMC

Details and patient eligibility

About

The aim of this study is to compare the efficacy of the analgesic effect of the preoperative femoral nerve block alone versus combined femoral, sciatic, obturator and lateral femoral cutaneous nerve blocks in patients after TKA in the immediate postoperative period.

Full description

Bupivacaine will be used for all the nerve blocks.

Enrollment: 107 patients

Sex: All

Ages: 30 to 85 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• ASA I-III
• Undergoing two TKA
• Understanding PCA protocol

Exclusion criteria

• Skin infection near injection site
• Allergy to local analgesics
• Peripheral neuropathy
• Coagulopathy
• Dementia
• Proven opioid dependency

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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107 participants in 3 patient groups

Femoral Nerve Block

Active Comparator group

Treatment:

Drug: Femoral Nerve Block

Combined Nerve Blocks

Active Comparator group

Treatment:

Drug: Combined nerve blocks

Patient-controlled analgesia

Active Comparator group

Treatment:

Drug: Patient-controlled analgesia