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|Title:||Prevalence of cardiac comorbidities, and their underdetection and contribution to exertional symptoms in COPD : results from the COSYCONET cohort|
Mayerhofer, Barbara A.
Vogelmeier, Claus F.
Jörres, Rudolf A.
|Title:||International Journal of Chronic Obstructive Pulmonary Disease|
|Year of Publication:||2019|
|Free key words:||COPD|
|DDC notations:||610 Medicine and health|
|Publikation type:||Journal Article|
|Abstract:||Background: A substantial prevalence of cardiovascular disease is known for COPD, but detection of its presence, relationship to functional findings and contribution to symptoms remains challenging. The present analysis focusses on the cardiovascular contribution to COPD symptoms and their relationship to the patients’ diagnostic status, medication and echocardiographic findings. Methods: Patients from the COPD cohort COSYCONET with data on lung function, including FEV1, residual volume/total lung capacity (RV/TLC) ratio, diffusing capacity TLCO, and echocardiographic data on left ventricular ejection fraction (LVEF) and enddiastolic diameter (LVEDD), medical history, medication, modified British Medical Research Council dyspnea scale (mMRC) and Saint Georges Respiratory Questionnaire (SGRQ) were analyzed. Results: A total of 1591 patients (GOLD 0–4: n=230/126/614/498/123) fulfilled the inclusion criteria. Ischemic heart disease, myocardial infarction or heart failure were reported in 289 patients (18.2%); 860 patients (54%) received at least one cardiovascular medication, with more than one in many patients. LVEF<50% or LVEDD>56 mm was found in 204 patients (12.8%), of whom 74 (36.3%) had neither a cardiovascular history nor medication. Among 948 patients (59.6%) without isolated hypertension, there were 21/55 (38.2%) patients with LVEF<50% and 47/88 (53.4%) with LVEDD>56 mm, who lacked both a cardiac diagnosis and medication. LVEDD and LVEF were linked to medical history; LVEDD was dependent on RV/TLC and LVEF on FEV1. Exertional COPD symptoms were best described by mMRC and the SGRQ activity score. Beyond lung function, an independent link from LVEDD on symptoms was revealed. Conclusion: A remarkable proportion of patients with suspicious echocardiographic findings were undiagnosed and untreated, implying an increased risk for an unfavorable prognosis. Cardiac size and function were dependent on lung function and only partially linked to cardiovascular history. Although the contribution of LV size to COPD symptoms was small compared to lung function, it was detectable irrespective of all other influencing factors. However, only the mMRC and SGRQ activity component were found to be suitable for this purpose.|
|DOI of the first publication:||10.2147/COPD.S209343|
|URL of the first publication:||https://www.dovepress.com/prevalence-of-cardiac-comorbidities-and-their-underdetection-and-contr-peer-reviewed-fulltext-article-COPD|
|Link to this record:||urn:nbn:de:bsz:291--ds-374715|
|Date of registration:||30-Sep-2022|
|Faculty:||M - Medizinische Fakultät|
|Department:||M - Innere Medizin|
|Professorship:||M - Prof. Dr. Robert Bals|
|Collections:||SciDok - Der Wissenschaftsserver der Universität des Saarlandes|
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