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[Application of model 4650 type I compressor atomizer in bronchial challenge test]
1Department of Internal Medicine, First Affiliated Hospital, WCUMS, Chengdu 610041.
Hua Xi Yi Ke Da Xue Xue Bao = Journal of West China University of Medical Sciences = Huaxi Yike Daxue Xuebao
|January 8, 2003
Summary
The M atomizer is a viable, cost-effective alternative for bronchial challenge tests in asthma patients. Adjusting inspiration time to 1.5 minutes with the M atomizer optimizes its efficiency, matching standard methods.
Area of Science:
- Pulmonary Medicine
- Medical Device Engineering
Context:
- Bronchial challenge tests are crucial for diagnosing asthma.
- Standard Dosimeter atomizers are widely used but can be expensive.
- The feasibility of using a simpler, more affordable M atomizer (model 4650 type I) was investigated.
Purpose:
- To evaluate the efficacy of the M atomizer compared to the standard Dosimeter atomizer for bronchial challenge tests.
- To determine optimal settings for the M atomizer to achieve comparable results.
Summary:
- Ninety-two asthma patients underwent bronchial challenge tests using both M and D atomizers.
- No significant differences were found between atomizers when M's inspiration time was adjusted to 1.5 minutes (r=0.665).
- A 1.5-minute inspiration time for the M atomizer is recommended to compensate for its slightly lower efficiency.
Impact:
- The M atomizer, with modifications and optimized settings, can serve as a cost-effective replacement for standard devices.
- This could improve accessibility to bronchial challenge testing for asthma diagnosis and management.