femoral neck fracture
Conditions
Interventions
VCV group:Volume control ventilation
SIMV group:Synchronized intermittent mandatory ventilation
Sponsors
The Second Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
All
Age
65 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Hip replacement; 2. Hospitalized patients aged 65 to 85 years; 3. ASA is a grade II-III patient; 4. Preoperative pulmonary function examination results showed no significant ventilation dysfunction; 5. Volunteers who sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Pulmonary diseases such as chronic obstructive pulmonary disease; 2. Patients with heart rhythm disorder, heart, cerebrovascular, liver, kidney, lung system, hematopoietic system and other serious primary diseases, mental diseases; 3. Patients who cannot cooperate and are participating in other clinical trials 4. For other reasons, the observer did not consider the inclusion appropriate (e.g., intraoperative blood loss of more than 600ml, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pulmonary function;clinical pulmonary infection score;arterial blood gase; | — |
Countries
China
Contacts
Public ContactYun Li
The Second Affiliated Hospital of Anhui Medical University
Outcome results
None listed