Volume 19 Issue 9
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QI Yu-feng, SHAO Qiang, SHEN Bing. Correlation analysis of CAT score with lung function and blood gas analysis in patients with chronic obstructive pulmonary disease[J]. Chinese Journal of General Practice, 2021, 19(9): 1504-1506. doi: 10.16766/j.cnki.issn.1674-4152.002097
Citation: QI Yu-feng, SHAO Qiang, SHEN Bing. Correlation analysis of CAT score with lung function and blood gas analysis in patients with chronic obstructive pulmonary disease[J]. Chinese Journal of General Practice, 2021, 19(9): 1504-1506. doi: 10.16766/j.cnki.issn.1674-4152.002097
shu

Correlation analysis of CAT score with lung function and blood gas analysis in patients with chronic obstructive pulmonary disease

doi: 10.16766/j.cnki.issn.1674-4152.002097
  • 1.

    Department of Respiratory Medicine, Lu'an People's Hospital, Lu'an, Anhui 237000, China

Funds:

 81570403

  • Received Date: 2020-06-21
    Available Online: 2022-02-15
    Abstract
  •   Objective  To investigate the relationship between pulmonary function, blood gas analysis, pulmonary systolic pressure and CAT score in patients with chronic obstructive pulmonary disease (COPD).   Methods  Total 106 patients with COPD admitted to the Department of Perspiratory Medicine of Lu'an People's Hospital from September to December 2019 were classified into mild group (11 cases), moderate group (28 cases), severe group (41 cases) and very severe group (26 cases) according to CAT score. The pulmonary function of COPD patients in different disease states, including FEV1, FVC, PEF, PaO2, PaCO2, and sPAP were compared, and the correlation between each index and CAT score was discussed.   Results  The lower the cat score, the lung function indexes were higher (FEV1, FEV1/FVC, PEF) (all P < 0.05); The lower cat score was, the PaO2 was higher, the PaCO2 was lower (all P < 0.05), and the sPAP was lower (P < 0.05); Especially in patients with cat score >20, the above differences were particularly significant. Pearson correlation analysis shown that FEV1%, FEV1/FVC, PEF% and PaO2 were negatively correlated with CAT score, while PaCO2 and sPAP were positively correlated with CAT score.   Conclusion  The CAT score of COPD patients was correlated with pulmonary function, pulmonary artery systolic pressure and blood gas analysis. It is proved that CAT score can effectively predict the air exchange dysfunction and ventilation dysfunction of COPD patients, and evaluate the pulmonary function of COPD patients.

     

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