Effect of cyclopentol on circulation during induction of anaesthesia in elderly lumbar spine surgery patients
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: A. Age =65 years =80 years gender not limited; B. Surgical procedure is lumbar fusion internal fixation; C. ASA grade II-III; D. Informed consent obtained and signed by the patient.
Exclusion criteria
Exclusion criteria: A. Preoperative mental or consciousness disorders; B. Patients on long-term sedative drugs; C. Overweight or obese (body mass index =28); D. Preoperative contraindications to the use of anesthetic drugs related to this study; E. Preoperative patients with severe hepatic or renal impairment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time for the patient to reach the depth of anesthesia (T1-T0); | — |
Secondary
| Measure | Time frame |
|---|---|
| Additional study drug dose during anesthesia induction;Dosage of norepinephrine and atropine; | — |
Countries
China
Contacts
Liuzhou Workers' Hospital