Perioperative neurocognitive disorders and acute lung injury
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Elective laparoscopic surgery is planned, and the duration of pneumoperitoneum is expected to be >=3h; 2. Pneumoperitoneum pressure reaches IAH standard (>=12 mmHg); 3. Age>=18 years old, male or female; 4. American Society of Anesthesiologists (ASA) grade I~III; 5. No history of esketamine allergy; 6. Voluntarily sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients with BMI 30kg/m^2; 2. Patients at risk of severe elevated blood pressure or intracranial pressure; 3. Patients with poorly controlled or untreated hypertension, such as systolic blood pressure (SBP) > 180 mmHg or diastolic blood pressure (DBP) > 110 mmHg, heart rate (HR) > 120 beats/min; 4. Patients with neuropsychiatric diseases, neurocognitive disorders and poor compliance before surgery; 5. Abnormal liver and kidney function: abnormal liver function is defined as aspartate aminotransferase (AST) and/or alanine aminotransferase (ALT) levels exceeding 1.5 times the upper limit of normal (ULN), and renal function abnormalities are defined as serum creatinine (Cr) >=1.5 times ULN; 6. Patients with abnormal preoperative chest CT and arterial blood gas analysis results; 7. History of drug abuse; 8. Those who participate in other studies at the same time, or who have not signed the informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of delayed neurocognitive recovery;Chest CT imaging changes; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of postoperative delirium;Levels of markers of intestinal barrier damage in the blood;Levels of markers of nerve damage in the blood;Arterial blood oxygenation level;Ventilation/blood flow ratio;Exhaled nitric oxide levels;Levels of intestinal bacteria metabolites in the blood;Levels of markers of lung injury in the blood ;Postoperative pain score; | — |
Countries
China
Contacts
Tianjin Union Medical Center