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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3287

Title: Ultrasound-guided Selective Sensory Nerve Block for Wide-awake Forearm Tendon Reconstruction.
Other Titles: 超音波ガイド下選択的知覚神経ブロックによる、前腕健機能再建のためのwide-awake surgery
Authors: Nakanishi, Yasuaki
Omokawa, Shohei
Kobata, Yasunori
Shimizu, Takamasa
Kira, Tsutomu
Onishi, Tadanobu
Hayami, Naoki
Tanaka, Yasuhito
Issue Date: 5-Jun-2015
Publisher: Wolters Kluwer Health/Lippincott Williams & Wilkins
Citation: Plastic and reconstructive surgery. Global open Vol.3 No.5 p.e392 (2015 Jun)
Abstract: BACKGROUND: Wide-awake hand surgery is useful for tendon reconstruction because surgeons can observe the actual movement of the reconstructed tendons during the surgery. We hypothesized that accurate ultrasound-guided injection of local anesthetics into the sensory nerves contributes to reliable analgesia with a relatively small amount of anesthetic. METHODS: We enrolled 8 patients who underwent forearm tendon transfer. Three patients underwent reconstruction of flexor tendon ruptures in zones 4 and 5, 3 underwent opponensplasty, and 2 underwent multiple tendon transfers according to Brand's procedure. All patients underwent ultrasound-guided injection of ropivacaine to each sensory nerve branch of the upper arm and forearm and into the subfascial layer of the forearm. The mean amount of total ropivacaine was 193 mg. RESULTS: In 7 of the 8 patients, we confirmed adequate active contraction of the flexor or extensor muscles during surgery. The expected active motion of the flexor pollicis longus was not found in 1 patient during surgery because the effect of the anesthetic had spread too widely, involving the motor branch of the median nerve. Two patients required additional infiltration of 2-3 mL of local anesthetic because of local wound pain. All patients gained satisfactory function of the transferred tendons after the surgery, and no remarkable perioperative complications related to local anesthetic systemic toxicity occurred. CONCLUSIONS: Selective administration of an anesthetic to the sensory nerve branches and subfascial layer enables the performance of wide-awake forearm tendon surgery. The ultrasound-guided injection technique provides safe and effective regional anesthesia for wide-awake surgery.
Description: 博士(医学)・甲第659号・平成28年11月24日
© 2015 American Society of Plastic Surgeons
The definitive version is available at " http://dx.doi.org/10.1097/GOX.0000000000000365 "
URI: http://hdl.handle.net/10564/3287
ISSN: 21697574
Academic Degrees and number: 24601A659
Degree-granting date: 2016-11-24
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2016年度

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