hip fracture
Conditions
Interventions
group L:Before anesthesia induction, lidocaine group was given lidocaine 1 mg / kg (0.15 ml/ kg), the infusion time was 10 minutes, and 1% lidocaine was continuously infused with a micropump for 0.15
group C:Given by normal saline bolus and infusion, its volume and rate changes were the same as those of lidocaine group
Sponsors
Lishui People's Hospital
Eligibility
Sex/Gender
All
Age
65 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Aged 65-90 years, BMI 18.5-27.9 kg/m2; 2. ASA class I-II. 3. It is planned to perform hip arthroplasty or intertrochanteric closed reduction and intramedullary nail fixation under general anesthesia. 4. The patients and their families knew the purpose of this study and voluntarily signed a written informed consent.
Exclusion criteria
Exclusion criteria: ? Patients with neurological or psychiatric diseases or communication disorders before operation; ? Preoperative MMSE score < 23; ? Plan to send patients to the intensive care unit after operation; ? Patients with severe arrhythmia, such as sick sinus syndrome, second and third degree atrioventricular block or significant sinus bradycardia (HR < 50 beats / min); ? Patients with liver and kidney dysfunction; ? Previous history of local anesthetic allergy or local anesthetic poisoning.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative delirium; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative delirium onset time;Duration of postoperative delirium;Postoperative delirium severity;emergence agitation;Patient satisfaction with pain management;Adverse reactions (hypotension, hypertension, bradycardia, tachycardia, local anesthetic toxicity); | — |
Countries
China
Contacts
Public ContactDuan Gongchen
Lishui People's Hospital
Outcome results
None listed