ArticleRespiratory research2024
Longitudinal anemia status and risk for adverse outcomes in former smokers with COPD.
Article in Respiratory research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Sex Differences in Long-Term Survival of Chronic Obstructive Pulmonary Disease Patients following Initiation of Home Noninvasive Ventilation after Acute Hospitalization due to Respiratory Failure.Respiration; international review of thoracic diseases · 2026Article
- Anemia in chronic obstructive pulmonary disease: a comprehensive bibliometric analysis of global research hotspots and emerging trends.Journal of thoracic disease · 2026Article
- Current research on the HIF-2α-EPO-Hb axis in hypoxic environments: from molecular mechanisms to clinical.Frontiers in medicine · 2026Review
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11 authors.
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Abstract
backgroundAnemia is a prevalent comorbidity in COPD associated with increased morbidity. However, the significance of longitudinal anemia status and variation in anemia status trends over time in COPD are not known. Furthermore, individuals with COPD and smoking history often have multiple comorbidities, in particular cardiovascular disease. The objective of this study was to evaluate the association between longitudinal anemia status and COPD outcomes, accounting for comorbid cardiovascular disease.
methodsSerial hemoglobin measures and clinical outcomes were obtained in former smokers with moderate to severe COPD from two clinical studies over a 6-to-9-month period. In the first analysis, the association between repeated measures of time-varying anemia status and outcomes was assessed by generalized estimating equations adjusted for covariates including cardiovascular disease. In the second analysis, each participant's anemia risk profile during the study period was characterized as high versus low anemia risk-growth rate. Mean differences in the progression of COPD outcomes over time between the two groups were assessed using a generalized linear mixed model. Effect modification by baseline coronary artery calcium (CAC) burden was explored.
resultsThere were 159 individuals with mean age of 66.5 years (± 8.3) and mean FEV
conclusionsLongitudinal anemia status trends may be predictive of COPD disease trajectory. Anemia status by repeated measures analysis is associated with COPD morbidity with potentially stronger associations in the setting of high CAC burden.
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