A Randomized Controlled Trial of Intraarticular Ropivacaine for Pain Management Immediately Following Total Knee Arthroplasty
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Total knee arthroplasty (TKA) is a commonly performed procedure for the treatment of end-stage arthritis of the knee. Pain control following TKA is difficult to manage in some patients. We examined the use of a postoperative intraarticular injection of 100 mL of 0.2% (200 mg) ropivacaine in a double-blind, prospective, placebo-controlled pilot study to evaluate its use as a pain control modality. All patients received general anesthesia. Postoperatively, patients were placed on intravenous patient-controlled analgesia with morphine. The ropivacaine group showed an early trend in lower visual analog scale (VAS) scores when compared with the placebo group. Patients receiving ropivacaine used a similar amount of narcotics compared with the placebo group. Intraarticular ropivacaine used for pain control after TKA demonstrated no statistically significant difference in lowering VAS scores or narcotic usage; therefore, intraarticular ropivacaine as a single modality is not recommended for effective pain management.
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- A Randomized Controlled Trial of Intraarticular Ropivacaine for Pain Management Immediately Following Total Knee Arthroplasty
Volume 6, Issue 2 , pp 155-159
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- total knee arthroplasty
- intraarticular injection
- pain control
- randomized controlled trial
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- Author Affiliations
- 1. Division of Orthopaedic Surgery, Scripps Clinic, 10666 North Torrey Pines Road, MS 116, La Jolla, CA, 92037, USA
- 2. Shiley Center for Orthopaedic Research and Education at Scripps Clinic, Scripps Health, 11025 North Torrey Pines Road, Suite 140, La Jolla, CA, 92037, USA