Lumbar spinal stenosis and/or lumbar intervertebral disc herniation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA status I-II, aged 18-70 years, BMI 17-33kg.m-2, scheduled for elective posterior lumbar decompression and internal fixation for treatment of lumbar canal stenosis and/or lumbar disc herniation.
Exclusion criteria
Exclusion criteria: pregnancy, non sinus rhythms, ANS altering diseases or medications, allergy to drugs used in this study ,baseline hemodynamic index that would be considered as abnormal(such as SBP>160mmHg or SBP90min-1or HR<45 min-1).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| total number of unwanted events;the consumption of anesthetics; | — |
Countries
China
Contacts
Department of Anesthesia, Third Hospital, Peking University