hyoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: There was no limitation in gender, ASA II - III, aged > 65 years, and Trendelenburg position surgery was performed. All patients were conscious before surgery, and relevant examinations were basically normal.
Exclusion criteria
Exclusion criteria: 1.Previous history of respiratory disease, previous history of cardiopulmonary and chest surgery, thoracic malformation, pleural and abdominal effusion or large thoracic tumor; 2.Patients with serious cardiovascular disease, such as blood pressure greater than 180/110mmHg, angina pectoris and myocardial infarction at 3 months; 3.Patients with liver and kidney dysfunction and mental illness, neuromuscular history, family history of malignant high fever, vision and hearing impairment; 4.Verbal communication problems and refusal to participate in the experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Range of motion of diaphragm;Rate of thickening of diaphragm; | — |
Secondary
| Measure | Time frame |
|---|---|
| pulse oximetry;arterial blood gas analysis;Patient's respiration after extubation;PACU residence time; | — |
Countries
China
Contacts
The Second Affiliated Hospital of Nanchang University