Overview Effect of Paravertebral Muscle Fat Infiltration on Rocuronium Use in Lumbar Surgery Status: Recruiting Trial end date: 2022-12-27 Target enrollment: Participant gender: Summary To investigate the effect of different degrees of fat infiltration on rocuronium use in lumbar surgery was monitored by trapezius muscle relaxation. Phase: Early Phase 1 Details Lead Sponsor: Zheng GuoTreatments: BromidesEtomidateMidazolamPropofolRemifentanilRocuronium