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S65 Capillary carbon dioxide as a measure of disease severity in acute bronchiolitis

Thorax, 2019-12, Vol.74 (Suppl 2), p.A44 [Tạp chí có phản biện]

Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ. ;2019 Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ. ;ISSN: 0040-6376 ;EISSN: 1468-3296 ;DOI: 10.1136/thorax-2019-BTSabstracts2019.71

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  • Nhan đề:
    S65 Capillary carbon dioxide as a measure of disease severity in acute bronchiolitis
  • Tác giả: Unger, SA ; Halliday, C ; Ziaie, A ; Cunningham, S
  • Chủ đề: Age
  • Là 1 phần của: Thorax, 2019-12, Vol.74 (Suppl 2), p.A44
  • Mô tả: Carbon dioxide (CO2) using capillary blood gas (CBG) analysis is commonly used children with acute bronchiolitis. Evidence to support its use is limited.A retrospective observational study was conducted over two bronchiolitis seasons (2014 -2016) of infants admitted to a tertiary teaching hospital using patient electronic medical records. Using logistical regression models (STATA/IC 12.1) the association between CBG pCO2 and markers of disease severity (length of stay (LOS) and high dependency admission (HDU)) was examined.332 children were assessed with 526 CBG performed in 158 infants (mean age 0.31 years, 54% male, 27% premature, 77% RSV positive). The initial CBG pCO2 was a mean 5.9kPa (SD1.1) and a maximum mean of 6.4kPa (SD1.5). Median LOS was 3 days (range 0–35). A CBG pCO2 >7.0kPa during the admission (in 23% infants (36/158)) was significantly associated with younger age (OR 0.005 (95%CI 0.0007, 0.03); p<0.0001), the use of supplemental oxygen (OR 1.9 (95%CI 1.1, 3.3); p=0.033) (adjusted for age) and inspired fraction of oxygen (FiO2) (slope coefficient 2.01 (95%CI 1.08, 2.94), p<0.0001) (adjusted for age). In 62% (98/158) a CBG was performed in ED and a pCO2 >7kPa (N=26/98) in ED was significantly associated with LOS (IRR 1.4 (95%CI 1.1,1.8); p=0.008) and HDU admission (OR 3.5 (95%CI 1.7,7.8); p=0.001).CBG pCO2 >7 kPa identifies children in ED with more severe disease with longer length of stay and risk of admission to HDU. Our results suggest that CBG pCO2 may be a possible marker of severity in future intervention trials for bronchiolitis.
  • Nơi xuất bản: London: BMJ Publishing Group LTD
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0040-6376
    EISSN: 1468-3296
    DOI: 10.1136/thorax-2019-BTSabstracts2019.71
  • Nguồn: Alma/SFX Local Collection
    ProQuest Central
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