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Systemic Ropivacaine Concentrations Following Local Infiltration Analgesia and Femoral Nerve Block in Older Patients Undergoing Total Knee Arthroplasty
CONCLUSION: Administration of a fixed 225 mg dose of ropivacaine for local infiltration analgesia with epinephrine and femoral nerve block results in plasma ropivacaine concentrations below the toxicity threshold, indicating their safety. The use of local infiltration analgesia with epinephrine provides a greater safety margin, as local infiltration analgesia without epinephrine may lead to ropivacaine concentrations associated with symptoms of local anesthetic toxicity.PMID:37731601 | PMC:PMC10508276 | DOI:10.2147/LRA.S425353 (Source: Local and Regional Anesthesia)
Source: Local and Regional Anesthesia - September 21, 2023 Category: Anesthesiology Authors: Sigita Kazune Inga Nurka Matiss Zolmanis Arturs Paulausks Dace Bandere Source Type: research