Status:
NOT_YET_RECRUITING
Research on the Application of Electrical Impedance Tomography in Bronchial Challenge Testing
Lead Sponsor:
wang kaifei
Conditions:
Asthma
Eligibility:
All Genders
18-80 years
Brief Summary
The purpose of this study was to examine whether electrical impedance tomography (EIT) was capable of identifying the deteriorated lung function on a regional level during bronchial challenge testing ...
Detailed Description
The content of this study includes: 1. Can EIT identify the uneven ventilation caused by airway contraction in patients during bronchial provocation tests. 2. Can EIT monitor airway contraction in pa...
Eligibility Criteria
Inclusion
- Inclusion Criteria：
- Patients suspected of asthma who require bronchial challenge testing.
- The Bronchodilator responsiveness testing is negative.
- patients with a pre-bronchodilator FEV1 \>60% predicted.
- No contraindications for bronchial provocation test examination.
- Fully understand the purpose and significance of this study, and voluntarily participate in the research.
- Exclusion Criteria:
- 1\. patients with a pre-bronchodilator FEV1≤60% predicted.
- Contraindications for bronchial challenge testing.
- Pregnant or lactating women.
- After pacemaker surgery.
Exclusion
Key Trial Info
Start Date :
August 1 2024
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
June 30 2025
Estimated Enrollment :
100 Patients enrolled
Trial Details
Trial ID
NCT06502405
Start Date
August 1 2024
End Date
June 30 2025
Last Update
July 16 2024
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