None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age 65–85 years; 2.Scheduled for laparoscopic surgery; 3.ASA physical status classification I–III; 4.Underwent general anesthesia with endotracheal intubation during surgery; 5.Complete medical records.
Exclusion criteria
Exclusion criteria: 1.Emergency surgery; 2.Intraoperative conversion to open surgery; 3.Severe hepatic or renal dysfunction; 4.Severe cardiopulmonary dysfunction; 5.Pre-existing difficult airway or anticipated difficult extubation; 6.Admission to ICU during the perioperative period; 7.Missing key data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| type and dosage of anesthetic agents, duration of anesthesia, intraoperative medication use, years of experience of the anesthesiologist, etc.;Laboratory indicators: preoperative routine blood tests, liver and kidney function tests, electrolyte levels, coagulation function tests, and intraoperative blood gas analysis.;Surgery-related parameters: type of surgery, duration of surgery, intraoperative positioning, blood loss, transfusion status, intraoperative fluid infusion volume, patient body temperature, etc.;Demographic characteristics: age, BMI, ASA grade, coexisting underlying diseases (hypertension, diabetes, cardiac diseases, respiratory system diseases, etc.), smoking history, alcohol consumption his; | — |
Countries
China
Contacts
Ningbo Medical Centre Lihuili Hospital