perioperative neurocognitive disorders
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients who underwent laparoscopic surgery under elective general anesthesia in Haikou People's Hospital; 2. Diagnosed with type 2 diabetes mellitus; 3. Aged =60 years, no gender limit; 4. ASA grade I to III; 5. 18 kg/m^2<= body mass index (BMI) <=30kg/m^2; 6. Written informed consent signed by the person or legal representative; 7. Able to understand the research process and scale content, and able to communicate effectively with researchers.
Exclusion criteria
Exclusion criteria: 1. Severe cardiopulmonary insufficiency; 2. Severe hepatic and renal dysfunction; 3. Long-term use of sedative and analgesic drugs; 4. Pre-operative presence of severe neuropsychiatric disorders; 5. Preoperative users of antiepileptic drugs and antipsychotics; 6. Hypersensitivity to dexmedetomidine and ropivacaine and contraindications to their use; 7 .Persons with visual and hearing impairments that prevent them from communicating; 8. Those who are unwilling to cooperate for subjective or objective reasons; 9. Preoperative MMSE score for those with cognitive dysfunction (illiteracy =17 points, elementary school education =20 points, middle school education and above =24 points); 10. Abnormal coagulation function (PT (prothrombin time) >ULN+3s and/or APTT (activated partial thrombin time) >ULN+10s).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| mini-mental state examination;S100 calcium-binding protein ß;neurofilament light chain protein;miR-532-5p; | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS score;Athens Insomnia Scale, AIS; | — |
Countries
CHina
Contacts
Haikou People's Hospital