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Slower rise of exhaled breath temperature in cystic fibrosis

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Abstract

Objective

To measure exhaled breath temperature in patients with cystic fibrosis.

Methods

17 patients (6–18 years) with cystic fibrosis and 15 age- and gender-matched healthy controls were recruited in this cross sectional study. Exhaled breath temperature was measured in subjects recruited in both the groups with a device X-halo and analyzed as plateau temperature achieved and rate of temperature rise.

Results

Patients with cystic fibrosis showed no significant difference in plateau temperature [34.4(32.3–34.6) versus 33.9 (33.0–34.4)°C; P=0.35] while mean (SEM.) rate of temperature rise was significantly less in patients [0.09 (0.01) versus 0.14 (0.02) Δ°C/s ; P=0.04] as compared to controls.

Conclusion

There was a slower rise of exhaled breath temperature in patients with cystic fibrosis whereas plateau temperature was not significantly different from controls.

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Authors and Affiliations

  1. Department of Physiology, All India Institute of Medical Sciences, New Delhi, India

    Geetanjali Bade & Anjana Talwar

  2. Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India

    Sumita Gupta & Sushil Kumar Kabra

Authors
  1. Geetanjali Bade
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  2. Sumita Gupta
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  3. Sushil Kumar Kabra
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  4. Anjana Talwar
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Corresponding author

Correspondence to Anjana Talwar.

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Bade, G., Gupta, S., Kabra, S.K. et al. Slower rise of exhaled breath temperature in cystic fibrosis. Indian Pediatr 52, 125–127 (2015). https://doi.org/10.1007/s13312-015-0585-2

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  • DOI: https://doi.org/10.1007/s13312-015-0585-2

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