Gastrointestinal tumors
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age 65 =years old; ASA grade I~III; Patients planning gastrointestinal surgery.
Exclusion criteria
Exclusion criteria: Severe organ dysfunction; Poor blood pressure control (severe hypertension or hypotension); Preoperative cognitive impairment or history of mental illness, unable to cooperate; Individuals with a history of allergies to the medication used.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypotension; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate (HR);Mean arterial pressure (MAP);Injection pain;MMSE rating;QoR-15 rating;Postoperative complications;Extubation time;Adverse cardiovascular events;Length of hospital stay;Use of vasoactive drugs;Bispectral index;Vital signs at different time points ; | — |
Countries
China
Contacts
The First Affiliated Hospital of Zhengzhou University