Why the study?
Does the modified RF method accurately estimate DMCO and VC in patients with stages II-III pulmonary sarcoidosis compared to the standard RF method?
Population
Patients with stages II-III pulmonary sarcoidosis
Comparison
Modified Roughton-Forster method vs Standard Roughton-Forster method
Design
Cross-sectional
Authors
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Modified RF method yields comparable DMCO/VC estimates in sarcoidosis; extends validation but leaves open prognostic or therapeutic utility.
Does the modified RF method accurately estimate DMCO and VC in patients with stages II-III pulmonary sarcoidosis compared to the standard RF method?
The modified RF method using simultaneous NO and CO diffusing capacity provides comparable estimates of membrane diffusing capacity and pulmonary capillary blood volume as the standard RF method in patients with sarcoidosis.
Phansalkar et al. (2004) studied this question.
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