Patients who need EBUS treatment under rigid bronchoscopy due to lung diseases
Conditions
Interventions
SHFJV group:The ventilation mode is set to superimposed high-frequency jet ventilation mode.
HFJV group:The ventilation mode is set to high frequency jet ventilation mode.
NFJV group:The ventilation mode is set to normal frequency jet ventilation mode.
Sponsors
Emergency General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1.Age 18-75 years old; 2.ASA classification I-III; 3.It is planned to perform a rigid bronchoscopy (including tumor resection, foreign body removal, and stenosis shaping, etc.) and to use jet ventilation. 4.The estimated duration of the surgery is 30 to 60 minutes. 5.Preoperative ultrasound can clearly measure the inferior vena cava (IVC) with a diameter of 1.0 - 2.5 cm and a respiratory variation of >=10%.
Exclusion criteria
Exclusion criteria: 1.Severe right heart failure, pulmonary hypertension or severe tricuspid regurgitation (affecting the interpretation of IVC diameter); 2.Previous inferior vena cava surgery / filter or obvious inferior vena cava anatomical abnormality; 3.Pregnancy or severe electrolyte imbalance (serum potassium 5.5 mmol/L); 4.Patients who cannot undergo IVC ultrasound (due to body type, incision, wound, etc.); 5.Those who have undergone emergency intubation and cannot complete steady-state measurements. 6.Expected severe airway obstruction and need for special ventilation strategies. 7.More than 10 ml/kg of fluid resuscitation within 6 hours before the operation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| haemodynamics; | — |
Secondary
| Measure | Time frame |
|---|---|
| Arterial blood gas indicators;baseline information;Security Index; | — |
Countries
China
Contacts
Public ContactYuxue Yao
Emergency General Hospital
Outcome results
None listed