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Perfusion index ratio predicts successful upper thoracic paravertebral block: A prospective observational study

Ran Zhang1, Xiaoyi Wang, Jia Jin

  • 1From the Department of Anesthesiology and Pain Medicine, Peking University People's Hospital, Beijing, China (RZ, XW, JJ, YF).

European Journal of Anaesthesiology
|October 27, 2023
PubMed
Abstract

No abstract available in PubMed .

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Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
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