Status:
UNKNOWN
Epidural Block Impairs HPV During One-lung Ventilation: an EIT- Based Prospective Observation Study
Lead Sponsor:
Shanghai Zhongshan Hospital
Conditions:
Epidural Block
Electrical Impedance Tomography
Eligibility:
All Genders
18-80 years
Brief Summary
Define the effect of epidural block on HPV by EIT.
Detailed Description
Epidural block may affect the physiological mechanism of hypoxic pulmonary vasoconstriction, which is still poorly understood. Electrical impedance tomography might be helpful in establishing the hypo...
Eligibility Criteria
Inclusion
- Age 18 - 80 years Existing central venous and arterial access Chest circumference 70 - 150 cm
Exclusion
- Contraindication to central venous injection of 5 % sodium chloride (NaCl)
- Contraindications of PulmoVista 500:
- Patients with pacemakers, defibrillators or other electrically active implants Patients with damaged skin or impaired skin contact of the electrodes due to wound dressings Patients where the attachment of the patient belt could pose a risk to the patient, e.g. patients with spinal lesions or fractures Patients with uncontrolled body movements Extremely obese patients (BMI\>50) Patients during pregnancy Patients with massive lung edema Use during electricity-based therapies, such as electrosurgery or electrocautery Use in the presence of strong magnetic fields Use in conjunction with other bioimpedance measurement devices
Key Trial Info
Start Date :
August 1 2020
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
July 31 2022
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT04730089
Start Date
August 1 2020
End Date
July 31 2022
Last Update
January 29 2021
Active Locations (1)
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1
Zhongshan Hospital of Fudan University
Shanghai, Shanghai Municipality, China, 200032