alexa Co-existence of COPD and left ventricular dysfunction in vascular surgery patients.
Cardiology

Cardiology

Journal of Clinical & Experimental Cardiology

Author(s): Flu WJ, van Gestel YR, van Kuijk JP, Hoeks SE, Kuiper R,

Abstract Share this page

Abstract BACKGROUND: The co-existence between chronic obstructive pulmonary disease (COPD) and heart failure has been previously described. However, the co-existence between COPD and subclinical left ventricular (LV) dysfunction, without the presence of heart failure symptoms, is less well understood. This study determined the relationship and clinical relevance of COPD and subclinical LV dysfunction in vascular surgery patients. METHODS: 1005 consecutive vascular surgery patients were included in which COPD was determined using spirometry and LV function using echocardiography. Mild COPD was defined as FEV(1)>or=80\% of predicted+FEV(1)/FVC-ratio<0.70. Moderate/severe COPD was defined as FEV(1)<80\% of predicted+FEV(1)/FVC-ratio<0.70. Systolic LV dysfunction was defined as LV ejection fraction <50\% and diastolic LV dysfunction was diagnosed based on E/A-ratio, pulmonary vein flow and deceleration time. Multivariate regression analyses were used to evaluate the impact of COPD and LV dysfunction on all-cause mortality. The mean follow-up time was 2.2+/-1.8 years. RESULTS: Both, mild and moderate/severe COPD were associated with increased risk for subclinical LV dysfunction with odds ratio of 1.6 (95\%-CI=1.1-2.3) and 1.7 (95\%-CI=1.2-2.4), respectively. Mild- or moderate/severe COPD in combination with LV dysfunction was associated with increased risk for all-cause mortality (mild: hazard ratio 1.7; 95\%-CI=1.1-3.6, moderate/severe: hazard ratio 2.5; 95\%-CI=1.5-4.7). CONCLUSIONS: COPD was associated with increased risk for subclinical LV dysfunction. COPD+subclinical LV dysfunction was associated with increased risk for all-cause mortality compared to patients with COPD+normal LV function. Echocardiography may be useful to detect subclinical cardiovascular disease and risk-stratify COPD patients undergoing vascular surgery. This article was published in Respir Med and referenced in Journal of Clinical & Experimental Cardiology

Relevant Expert PPTs

Relevant Speaker PPTs

Recommended Conferences

Relevant Topics

Peer Reviewed Journals
 
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
 
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

 
© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version
adwords