Anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age>=18 years old, regardless of gender; 2. ASA scores ranging from grade I to grade III; 3. Patients who require general anesthesia and deep vein puncture catheterization; 4. Voluntarily sign an informed consent form.
Exclusion criteria
Exclusion criteria: 1. Individuals who are allergic to anesthetics; BMI>=40 kg/m^2 2. Severe pulmonary dysfunction; 3. Pregnant women; 4. Patients with chest fractures; 5. Implantation of cardiac pacemakers and defibrillators; 6. EIT monitoring electrode straps for local skin infections or open wounds in the thoracic area; 7. Severe hypernatremia; 8. Receiving electrical stimulation treatment; 9. And severe comorbidities related to heart, lung, brain, and kidney.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| global in homogeneity index;Proportion of left lung ventilation;Proportion of right lung ventilation;Perfusion ratio of left lung;Perfusion ratio of right lung; | — |
Secondary
| Measure | Time frame |
|---|---|
| oxygen saturation of blood;tidal volume;airway plateau pressure;lung compliance;Peak airway pressure;mean arterial pressure;heart rate;End-respiratory partial pressure of carbon dioxide; | — |
Countries
China
Contacts
Chongqing Traditional Chinese Medicine Hospital