healthy adults
Conditions
Interventions
Observation group:None
Sponsors
Hebei General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age>=18 years old; 2. No previous history of heart, lung, central respiratory disease and thoracic and abdominal surgery; 3. Informed consent to the research method and able to cooperate with the completion of ultrasound examination.
Exclusion criteria
Exclusion criteria: 1. Being in the acute phase of cardiovascular and pulmonary diseases (including acute myocardial infarction, heart failure, respiratory failure, pleural effusion, or requiring life support equipment to maintain cardiovascular and pulmonary function, etc.); 2. Severe chronic organic heart disease, cardiomyopathy, congenital heart disease, or heart failure; 3. Anatomical abnormalities or space occupying lesions in the inferior vena cava; 4. Respiratory center related diseases; 5. History of chest or abdominal surgery; 6. Pregnant women, intra-abdominal hypertension, spinal or chest wall deformities, etc; 7. Poor compliance of subjects, inability to cooperate in completing the study, inability to obtain clear ultrasound images, or other factors that are not suitable for inclusion in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Short diameter of inferior vena cava short axis;Long diameter of inferior vena cava short axis;Diameter of inferior vena cava long axis; | — |
Secondary
| Measure | Time frame |
|---|---|
| Anatomical angle of inferior vena cava; | — |
Countries
China
Contacts
Public ContactZhao Haotian
Hebei General Hospital
Outcome results
None listed