The Use of Bupivacaine and Ropivacaine for Sciatic Nerve Block

A Dose Response Study for Duration of Analgesia Using Bupivacaine and Ropivacaine for Infragluteal Parabiceps Sciatic Block

The duration of motor block for infragluteal parabiceps sciatic nerve block following total knee replacement may vary between 12-36 hrs depending on the amount of local anesthetic given.

Inclusion Criteria:

• Adult patients (>18 years of age) who are undergoing elective total knee arthroplasty will be included in the study.

Exclusion Criteria:

• Exclusion criteria for the study are patient refusal to be included in the study, contraindications to regional anesthesia, history of allergy to amide local anesthetics, the presence of a progressive neurological deficit, the presence of coagulopathy or infection, or pregnancy