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Multimodal Drug Infiltration in Total Knee Arthroplasty: Is Posterior Capsular Infiltration Worth the Risk?

2016-08-11 08:23:22 | BioPortfolio

Summary

Multimodal local anesthetic infiltration (LAI) provides effective pain control in patients undergoing total knee arthroplasty (TKA). Some surgeons avoid posterior capsular infiltration (PCI) for fear of damaging posterior neurovascular structures. Data are limited on the added benefits of PCI using different combinations of local anesthetic agents. Therefore, the investigator wanted to know the effectiveness of pain control in LAI with and without PCI.

Half of participants received LAI with PCI, while the other half received LAI without PCI during total knee arthroplasty.

Description

Analgesic agents were bupivacaine, morphine, ketorolac and epinephrine. All patients received spinal anesthesia and patient controlled analgesia (PCA) for 24 hours post surgery. The surgical technique and postoperative medication protocols were identical in both groups. The visual analogue scale (VAS) for pain during activity and at rest, and morphine consumption were recorded at 6, 12, 18 and 24 hours postoperatively. LAI-related side effects, blood loss, length of hospital stay, and VAS for satisfaction were monitored. The reviewer was blinded to treatment groups.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Osteoarthritis, Knee

Intervention

0.5% bupivacaine 100 mg, morphine sulfate 5 mg, 0.1% epinephrine 0.6 mg, and ketorolac 30 mg mixed NSS up to 100 mL, Drug injection at Anterior soft tissue (25 mL)+Medial gutter area (25 mL)+Lateral gutter area (25 mL)+Posterior capsular infiltration (25

Location

Thammasat university hospital
Pathumthani
Klongluang
Thailand
12120

Status

Completed

Source

Thammasat University

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-08-11T08:23:22-0400

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