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Year : 2020  |  Volume : 4  |  Issue : 2  |  Page : 49-52

Adductor Canal block with 0.5% ropivacaine for postoperative pain relief in lower limb surgeries performed under spinal anesthesia

Department of Anaesthesia and Critical Care, Sms Medical College, Jaipur, Rajasthan, India

Correspondence Address:
Dr. Manisha Agrawal
Senior Resident, Department of Anaesthesia and Critical Care, SMS Medical College, Jaipur, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/BJOA.BJOA_12_20

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Background: Postoperative pain is an essential consequence of lower limb surgeries that can affect early ambulation, range of motion, and duration of stay in the hospital. This study aimed to evaluate the effect of the adductor canal block in the postoperative pain control and analgesic consumption in the lower limb surgeries done under spinal anesthesia. The adductor canal block is a compartment block of the saphenous nerve (branch of femoral nerve), which can provide adequate analgesia with the preservation of motor function. Patients and Methods: Sixty patients aged 18–70 years scheduled for lower limb surgeries under spinal anesthesia were included in this prospective, placebo-controlled randomized study. The patients were randomly divided into two equal groups of 30 each. At the end of the surgery, single-shot ultrasound-guided adductor canal blockade was given with 30 ml of 0.5% ropivacaine (Group A) or 30 ml of 0.9% saline (Group C). The pain was assessed for 24 h postoperatively by a visual analog scale (VAS). Postoperative analgesia consumption was also studied. Motor function was assessed with a straight leg raise test. Results: Analgesic consumption was lesser in the ropivacaine group as compared to the control group. VAS was favorable in the ropivacaine group. There was no prolonged loss of motor function in either group. Conclusions: The adductor canal block significantly reduces pain and analgesic consumption. It also does not affect motor function. Hence, it can be effectively used as an adjuvant to spinal anesthesia for lower limb surgeries.

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