Maximum effective volume of 0.25% ropivacaine for preventing hemidiaphragmatic paralysis in 90% of patients undergoing shoulder arthroscopy: a biased coin up-and-down sequential allocation trial for ultrasound-guided superior trunk block

Maximum effective volume of 0.25% ropivacaine for preventing hemidiaphragmatic paralysis in 90% of patients undergoing shoulder arthroscopy: a biased coin up-and-down sequential allocation trial for ultrasound-guided superior trunk block

Abstract Background Compared to interscalene block (ISB), the superior trunk block (STB) lowers the incidence of hemidiaphragmatic paralysis (HDP) without compromising analgesic efficacy, making it a valuable alternative. However, the lack of consensus on the optimal local anesthetic (LA) dose for S...

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Bibliographic Details
Main Authors: Kai Wang, Hongwei Zhu, Yangyang Zhou, Shukai Gui, Yonghua Li
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Anesthesiology
Subjects:
Superior trunk block
Shoulder arthroscopy
Hemidiaphragmatic paralysis
Biased coin up-and-down method
Online Access:https://doi.org/10.1186/s12871-025-03273-x
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