確実なけん鞘内注入法-基節骨上けん鞘内注入法-

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タイトル別名
  • New Transthecal Injection Technique at the Palmophalangeal Crease
  • —基節骨上腱鞘内注入法—

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We report a study which shows that the traditional transthecal injection technique provides poor correctness but stable anesthetic effects. We investigated whether a small quantity of anesthetic is effective or leakage into the subcutaneous tissue is effective. Accurate transthecal injection technique was necessary to examine how the technique affects transthecal digital block.<br> An injection study using contrast medium and lidocaine was performed on the middle fingers of healthy volunteers. Our new transthecal injection technique involved inserting a needle at the palmophalangeal crease, penetrated the flexor tendon to the proximal phalanx, without withdrawing the needle during injection.<br> We believe that the success rate of traditional transthecal injection technique is very low due to the use of loss of resistance by withdrawing the needle.<br> This technique allows comparison of anesthetic effects between the transthecal digital block and subucutaneous digital block.

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