Lumbar diseases in the elderly
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age>=65 years old,<=80 years old, regardless of gender; 2. The surgical method is lumbar fusion and internal fixation; 3. ASA level II-III; 4. Obtain informed consent from the patient and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Those with mental or conscious disorders before surgery; 2. Patients who have been taking sedative drugs for a long time; 3. Obese (BMI (Body mass index) >=28); 4. Those who have contraindications to the anesthetic drugs related to this study; 5. Patients with severe liver and kidney dysfunction (requiring drug intervention) before surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Non-invasive EEG dual-frequency index monitoring;Cardiac output index;Rate of variability in arterial blood pressure;T1-T0; | — |
Secondary
| Measure | Time frame |
|---|---|
| Systolic pressure;Diastolic pressure;Mean arterial pressure;Deoxyepinephrine;Atropine dosage; | — |
Countries
China
Contacts
Liuzhou Workers Hospital