A Comparison of Epidural Block With Adding Sciatic Block to Continuous Femoral Block in Total Knee Arthroplasty

Yeungnam University College of Medicine

Status: Unknown

Conditions: Postoperative Pain

Treatments: Device: epidural infusion; Device: femoral sciatic

Study type: Interventional

Funder types: Other

Identifiers

NCT02235506

apsj0901

Details and patient eligibility

About

The investigators compared continuous epidural infusion with combined continuous femoral and single-shot sciatic nerve blocks. The primary outcome was the incidence of side effects, and secondary outcomes were pain relief, motor blockade,morphine consumption, and rehabilitation indices.

Full description

The parcicipants were randomly assingned to epidural infusion group and femoral sciatic block. In epidural infusion group, a lumbar epidural catheter was placed at the L3-4 level using loss-ofresistance procedure. ropivacaine 0.2% and fentayl 2mcg/ml were infused at a rate of 5ml/hr from the end of operation. In femoral sciatic group, the femoral and sciatic nerve are located using ultrasound and 0.2% ropivacain is injected. A catheter is inserted to femoral nerve. From the end of operation, 0.2% ropivacaine was infused through the femoral catheter at a rate of 5ml/hr. The incidence of side effects is measured.

Enrollment: 80 estimated patients

Sex: All

Ages: 18 to 90 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• American Society of Anesthesiologists Physical Status Classification I-II
• total knee arthroplasty
• 18-90 years

Exclusion criteria

• allergic to the local anesthetics
• cognitive impairment such as dementia
• coagulopathy
• motor and sensory impairment
• patient refusal
• BMI >39

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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80 participants in 2 patient groups

epidural infusion

Experimental group

Description:

In epidural infusion group, a lumbar epidural catheter was placed at the L3-4 level using loss-ofresistance procedure. ropivacaine 0.2% and fentayl 2mcg/ml were infused at a rate of 5ml/hr from the end of operation,

Treatment:

Device: epidural infusion

Device: epidural infusion

femoral sciatic

Experimental group

Description:

In femoral sciatic group, the femoral and sciatic nerve are located using ultrasound and 0.2% ropivacain is injected. A catheter is inserted to femoral nerve. From the end of operation, 0.2% ropivacaine was infused through the femoral catheter at a rate of 5ml/hr.

Treatment:

Device: femoral sciatic

Device: femoral sciatic