None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged >= 18 years; 2. No gender limit; 3. The subject voluntarily participates in the study and has signed an informed consent form; 4. Meet one of the following conditions: (1) Emergency surgery diagnosed as acute gastrointestinal obstruction (within 4h after meal); (2) Emergency surgery within 3 hours after a normal meal.
Exclusion criteria
Exclusion criteria: 1. The patient is unconscious; 2. The patient has had reflux aspiration before the operation; 3. Other circumstances in which the patient is judged to be unsuitable to participate in the clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| reflux and aspiration;artificial assisted breathing;place the stomach tube; | — |
Secondary
| Measure | Time frame |
|---|---|
| mean arterial pressure;heart rate;pulse oximetry;blood gas result;subjective feelings;bad memory;fate; | — |
Countries
China