Total knee arthroplasty
Conditions
Interventions
Interventional group:Supra-inguinal fascia iliaca compartment and active obturator nerve blocks
Control group:Supra-inguinal fascia iliaca compartment and placebo obturator nerve blocks
Sponsors
Beijing Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: ·Patients scheduled for elective unilateral total knee arthroplasty under spinal anesthesia; ·Aged 18-80 years; ·American Society of Anesthesiologists (ASA) classifications I–III.
Exclusion criteria
Exclusion criteria: · Inability to consent to this study; · Inability to communicate; · Patients with contraindications to regional block; · Patients with contraindications to drugs used in this study; · Pre-existing neuromuscular deficits in lower extremities; · Inability to straighten and bring the knee joints together; · Previous ipsilateral major knee surgery; · Chronic opioid use; · Hepatic or renal failure; · Weight 40kg/m^2; · Pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of obturator nerve block;Equivalent morphine consumption; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain scores at rest and on movement (passive knee flexion of 45 degree);Recovery quality score;Equivalent morphine consumption;Time to first patient-controlled intravenous analgesia demand;Proportion of rescue analgesia;Patient's satisfaction score with analgesia;Sensory block score;Motor block score;Adductor strength decline rating;Sleep quality score;Incidence of adverse effects; | — |
Countries
China
Contacts
Public ContactHongye Zhang
Beijing Hospital
Outcome results
None listed