In Reply: Role of spirometry in fixed upper airway obstruction

Q: What does this research mean for the field?

The correct spirometric ratio for evaluating fixed upper airway obstruction in the authors' previous study is FEV1/FVC, correcting a published typographical error. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Jack Johnson; Karishma Lukose; Mary C. Labanowski

doi:10.3949/ccjm.93c.07002

July 1, 2026Cleveland Clinic Journal of MedicineOpen Access

In Reply: Role of spirometry in fixed upper airway obstruction

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Key Points

To clarify the proper spirometry measurements related to fixed upper airway obstruction.
Responded to comments on the previous article regarding spirometry.
Corrected a typographical error in Table 2 of the article.
Emphasized the importance of the FEV1/FVC ratio in diagnosing upper airway obstruction.
Acknowledged difficulties highlighted by Dr. Talwar and colleagues.

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Implication

This reply discusses spirometry challenges in upper airway obstruction, clarifying a typo.

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Cite This Study

Johnson et al. (2026) studied this question.

synapsesocial.com/papers/6a4756705c29257aa257ad53 https://doi.org/10.3949/ccjm.93c.07002

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In Reply: Role of spirometry in fixed upper airway obstruction

Key Points

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Discussion

Cite This Study

In Reply: Role of spirometry in fixed upper airway obstruction

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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