The Effect of Postoperative Single-injection Adductor Canal Block for Multimodal Pain Control in Patients Receiving Total Knee Arthroplasty Under Spinal Anesthesia
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Enrollment
- 80
- Locations
- 1
- Primary Endpoint
- the sum of pain score
Study Overview
Brief Summary
This study evaluates the effect of the single-injection adductor canal block in patients receiving total knee arthroplasty under spinal anesthesia.
Detailed Description
This study aims to evaluate the effect of the single-injection adductor canal block in patients receiving total knee arthroplasty under spinal anesthesia. The effect of the single-injection adductor canal and continuous adductor canal block in patients receiving total knee arthroplasty under general anesthesia has been well established. However, due to the residual effect of spinal anesthesia, the effect of the single-injection adductor canal block needs to be determined. The investigators hypothesize that the single-injection adductor canal block will decrease the total sum of 2h, 6h, 12h, and 24h pain score.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Treatment
- Masking
- Triple (Participant, Care Provider, Investigator)
Eligibility Criteria
- Ages
- 19 Years to 80 Years (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •adult patients receiving total-knee arthroplasty under spinal anesthesia
- •ASA class 1-3
Exclusion Criteria
- •infection at the needle injection site
- •hard for pain evaluation
- •CRPS patient with lower extremity symptom
- •chronic opioid user
- •those with side effect to local anesthetics
- •those getting revision total-knee arthroplasty or with the previous operation at the same knee area
- •those getting the surgery under general anesthesia due to the failed spinal anesthesia
Arms & Interventions
control group
normal saline injection
Intervention: control group (Procedure)
test group
0.5% ropivacaine injection
Intervention: adductor canal block (Procedure)
Outcomes
Primary Outcomes
the sum of pain score
Time Frame: 2 hours, 6 hours, 12 hours, and 24 hours after intervention
VAS pain score (0 to 10) is measured using numeric pain rating scale at 2 hours, 6 hours, 12 hours, and 24 hours 0: no pain, 10: worst pain
Secondary Outcomes
- Postoperative nausea and vomiting(2 hours, 6 hours, 12 hours, and 24 hours after intervention)
- Postoperative opioid consumption(2 hours, 6 hours, 12 hours, and 24 hours intervention)
Investigators
Jin-Tae Kim
professor
Seoul National University Hospital