Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis

Objective: The effect of oxygen therapy on the prognosis of chronic obstructive pulmonary disease (COPD) with nocturnal hypoxemia (NOD) has been controversial. Therefore, this study systematically evaluated the relevant literature and included it into randomized controlled studies for meta-analysis...

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Main Authors: Ling Sun, Ya-Fei Chang, Yun-Fei Wang, Xian-Zhong Ran, Xiang-Rong Li, Quan-Xin Xie, Bin Ning
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-08-01
Series:Frontiers in Pharmacology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphar.2023.1123945/full
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author Ling Sun
Ya-Fei Chang
Yun-Fei Wang
Xian-Zhong Ran
Xiang-Rong Li
Quan-Xin Xie
Bin Ning
author_facet Ling Sun
Ya-Fei Chang
Yun-Fei Wang
Xian-Zhong Ran
Xiang-Rong Li
Quan-Xin Xie
Bin Ning
author_sort Ling Sun
collection DOAJ
description Objective: The effect of oxygen therapy on the prognosis of chronic obstructive pulmonary disease (COPD) with nocturnal hypoxemia (NOD) has been controversial. Therefore, this study systematically evaluated the relevant literature and included it into randomized controlled studies for meta-analysis to evaluate the efficacy and prognosis.Methods: We searched PubMed, EMBASE, web of science, Cochrane, China HowNet and Wanfang database for the literature on the prognosis of COPD patients with simple NOD from the establishment of the database to 30 June 2022. The outcome indicators were death and aggravation of the disease. The efficacy evaluation measures were pulmonary function and arterial blood gas results. The publication bias and heterogeneity of the included studies were evaluated.Results: A total of 621 patients from 5 studies were included in this meta-analysis, and there was no publication bias in the included studies. The total mortality of long-term oxygen therapy (LTOT) in COPD patients with simple NOD in oxygen therapy group (RR = 1.04; 95% CI: 0.81–1.33, p = 0.77), mortality (RR = 0.87; 95% CI: 0.58–1.31, p = 0.50), risk of progression to LTOT events (RR = 1.07; 95% CI: 0.76–1.51, p = 0.71). PaO2 in patients with COPD and simple NOD in oxygen therapy group was higher than that in non-oxygen therapy group (mean difference (MD) = 13.47; 95% CI: 3.49–23.46, p = 0.008), the decrease of PaCO2 level was not statistically significant (MD = −10.05; 95% CI: −26.36-6.27, p = 0.23).Conclusion: Oxygen therapy can improve the prognosis of blood oxygen partial pressure in COPD patients with simple NOD, but oxygen therapy has no significant effect on the survival rate, controlling the progression of the disease to LTOT and reducing the partial pressure of carbon dioxide.
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spelling doaj.art-819033120b0c4428984e9cde541f11ed2023-08-17T14:31:43ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122023-08-011410.3389/fphar.2023.11239451123945Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysisLing Sun0Ya-Fei Chang1Yun-Fei Wang2Xian-Zhong Ran3Xiang-Rong Li4Quan-Xin Xie5Bin Ning6Department of Respiratory and Critical Care Medicine, Fuyang Tumor Hospital, Fuyang, ChinaFaculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, ChinaDepartment of Cardiology, The 901th Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army, Hefei, ChinaDepartment of Respiratory and Critical Care Medicine, Fuyang Tumor Hospital, Fuyang, ChinaDepartment of Respiratory and Critical Care Medicine, Fuyang Tumor Hospital, Fuyang, ChinaDepartment of Respiratory and Critical Care Medicine, Fuyang Tumor Hospital, Fuyang, ChinaDepartment of Cardiology, Fuyang People's Hospital Affiliated to Anhui Medical University, Fuyang, ChinaObjective: The effect of oxygen therapy on the prognosis of chronic obstructive pulmonary disease (COPD) with nocturnal hypoxemia (NOD) has been controversial. Therefore, this study systematically evaluated the relevant literature and included it into randomized controlled studies for meta-analysis to evaluate the efficacy and prognosis.Methods: We searched PubMed, EMBASE, web of science, Cochrane, China HowNet and Wanfang database for the literature on the prognosis of COPD patients with simple NOD from the establishment of the database to 30 June 2022. The outcome indicators were death and aggravation of the disease. The efficacy evaluation measures were pulmonary function and arterial blood gas results. The publication bias and heterogeneity of the included studies were evaluated.Results: A total of 621 patients from 5 studies were included in this meta-analysis, and there was no publication bias in the included studies. The total mortality of long-term oxygen therapy (LTOT) in COPD patients with simple NOD in oxygen therapy group (RR = 1.04; 95% CI: 0.81–1.33, p = 0.77), mortality (RR = 0.87; 95% CI: 0.58–1.31, p = 0.50), risk of progression to LTOT events (RR = 1.07; 95% CI: 0.76–1.51, p = 0.71). PaO2 in patients with COPD and simple NOD in oxygen therapy group was higher than that in non-oxygen therapy group (mean difference (MD) = 13.47; 95% CI: 3.49–23.46, p = 0.008), the decrease of PaCO2 level was not statistically significant (MD = −10.05; 95% CI: −26.36-6.27, p = 0.23).Conclusion: Oxygen therapy can improve the prognosis of blood oxygen partial pressure in COPD patients with simple NOD, but oxygen therapy has no significant effect on the survival rate, controlling the progression of the disease to LTOT and reducing the partial pressure of carbon dioxide.https://www.frontiersin.org/articles/10.3389/fphar.2023.1123945/fulloxygen therapyCOPDNODprognosismeta analysis
spellingShingle Ling Sun
Ya-Fei Chang
Yun-Fei Wang
Xian-Zhong Ran
Xiang-Rong Li
Quan-Xin Xie
Bin Ning
Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
Frontiers in Pharmacology
oxygen therapy
COPD
NOD
prognosis
meta analysis
title Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
title_full Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
title_fullStr Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
title_full_unstemmed Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
title_short Prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in COPD: a meta-analysis
title_sort prognostic value of oxygen inhalation therapy for simple nocturnal hypoxemia in copd a meta analysis
topic oxygen therapy
COPD
NOD
prognosis
meta analysis
url https://www.frontiersin.org/articles/10.3389/fphar.2023.1123945/full
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