Effects of anemia on the survival of patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis.

Abstract:

OBJECTIVES:Anemia is often seen in chronic obstructive pulmonary disease (COPD) patients. However, the implications of anemia on the outcomes of patients with COPD is not clearly known. Therefore, we conducted a systematic review and meta-analysis to evaluate the effects of anemia on the morbidity and mortality of patients with COPD. METHODS:We followed PRISMA guidelines to perform a systematic identification of relevant publications in the literature on four academic databases: MEDLINE, Scopus, EMBASE, and CENTRAL. RESULTS:Out of 1845 records, we included data from 15 articles including 420 970 participants in this review. Our systematic review presents a 2b level of evidence suggesting a higher duration of hospital stay, Charlson comorbidity index score, and mortality rate for patients with COPD and anemia than for patients with COPD without anemia. The meta-analysis revealed a moderate effect increase in the mean duration of hospital stay (Hedge's g, 0.55), Charlson comorbidity index (0.68), and mortality rate (0.49) in patients with COPD and anemia as compared to those in patients with COPD without anemia. CONCLUSION:The current systematic review and meta-analysis provide evidence regarding the detrimental consequences of anemia on the morbidity and mortality of patients with COPD.

journal_name

Expert Rev Respir Med

authors

Xu Y,Hu T,Ding H,Chen R

doi

10.1080/17476348.2020.1816468

subject

Has Abstract

pub_date

2020-12-01 00:00:00

pages

1267-1277

issue

12

eissn

1747-6348

issn

1747-6356

journal_volume

14

pub_type

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