The 90% minimum effective volume and concentration of ropivacaine for ultrasound-guided median nerve block in children aged 1–3 years: A biased-coin design up-and-down sequential allocation trial
Wen Gao, Yujiao Chen, Weiping Wang, Shangyingying Li, Lin Bai, Hong Wang, Dazhen Li, Yuan Shi, Hongzhen Xu, Shengfen Tu, Fei Yang
Topics & Concepts
RopivacaineMedicineAnesthesiaAdverse effectUltrasoundNerve blockBlock (permutation group theory)SurgeryInternal medicineRadiologyGeometryMathematicsAnesthesia and Pain ManagementPediatric Pain Management TechniquesPain Management and Treatment