A pragmatic screening tool for identification of chronic hypercapnia in patients with chronic obstructive pulmonary disease

•Chronic hypercapnia is common in patients with COPD.•Lower FEV1 and higher serum bicarbonate are associated with hypercapnia in COPD.•A blood gas is indicated if FEV1 ≤ 40 % predicted or serum bicarbonate ≥33 mmol/L.

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Bibliographic Details
Published in:Respiratory medicine 2025-01, Vol.236, p.107888, Article 107888
Main Authors: Checinski, Patricia J., Meldrum, Catherine, Labaki, Wassim W., Choi, Philip J.
Format: Article
Language:English
Subjects:
Bicarbonate
Chronic obstructive pulmonary disease
Forced expiratory volume
Hypercapnia
Screening tool
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Description
Summary:•Chronic hypercapnia is common in patients with COPD.•Lower FEV1 and higher serum bicarbonate are associated with hypercapnia in COPD.•A blood gas is indicated if FEV1 ≤ 40 % predicted or serum bicarbonate ≥33 mmol/L.
ISSN:0954-6111
1532-3064
1532-3064
DOI:10.1016/j.rmed.2024.107888