Georg-Christian Funk1, Irene Lang2, Peter Schenk3, Arschang Valipour1, Sylvia Hartl1, Otto Chris Burghuber4. 1. Department of Respiratory and Critical Care Medicine, Otto Wagner Hospital, Vienna, Austria. 2. Department of Internal Medicine 2, Intensive Care Unit 13H1, University of Vienna, Vienna, Austria. 3. Division of Cardiology, and the Department of Internal Medicine 3, Intensive Care Unit 13H1, University of Vienna, Vienna, Austria. 4. Department of Respiratory and Critical Care Medicine, Otto Wagner Hospital, Vienna, Austria. Electronic address: otto.burghuber@wienkav.at.
Abstract
BACKGROUND: Increased right ventricular afterload leads to left ventricular diastolic dysfunction due to ventricular interdependence. Increased right ventricular afterload is frequently present in patients with COPD. The purpose of this study was to determine whether left ventricular diastolic dysfunction could be detected in COPD patients with normal or elevated pulmonary artery pressure (PAP). METHODS: Twenty-two patients with COPD and 22 matched control subjects underwent pulsed Doppler echocardiography. Left ventricular systolic dysfunction and other causes of left ventricular diastolic dysfunction (eg, coronary artery disease) were excluded in all patients and control subjects. PAP was measured invasively in 13 patients with COPD. RESULTS: The maximal atrial filling velocity was increased and the early filling velocity was decreased in patients with COPD compared to control subjects. The early flow velocity peak/late flow velocity peak (E/A) ratio was markedly decreased in patients with COPD compared to control subjects (0.79 +/- 0.035 vs 1.38 +/- 0.069, respectively; p < 0.0001), indicating the presence of left ventricular diastolic dysfunction. The atrial contribution to total left diastolic filling was increased in patients with COPD. This was also observed in COPD patients with normal PAP, as ascertained using a right heart catheter. The atrial contribution to total left diastolic filling was further increased in COPD patients with PAP. PAP correlated with the E/A ratio (r = -0.85; p < 0.0001). CONCLUSIONS: Left ventricular diastolic dysfunction is present in COPD patients with normal PAP and increases with right ventricular afterload.
BACKGROUND: Increased right ventricular afterload leads to left ventricular diastolic dysfunction due to ventricular interdependence. Increased right ventricular afterload is frequently present in patients with COPD. The purpose of this study was to determine whether left ventricular diastolic dysfunction could be detected in COPDpatients with normal or elevated pulmonary artery pressure (PAP). METHODS: Twenty-two patients with COPD and 22 matched control subjects underwent pulsed Doppler echocardiography. Left ventricular systolic dysfunction and other causes of left ventricular diastolic dysfunction (eg, coronary artery disease) were excluded in all patients and control subjects. PAP was measured invasively in 13 patients with COPD. RESULTS: The maximal atrial filling velocity was increased and the early filling velocity was decreased in patients with COPD compared to control subjects. The early flow velocity peak/late flow velocity peak (E/A) ratio was markedly decreased in patients with COPD compared to control subjects (0.79 +/- 0.035 vs 1.38 +/- 0.069, respectively; p < 0.0001), indicating the presence of left ventricular diastolic dysfunction. The atrial contribution to total left diastolic filling was increased in patients with COPD. This was also observed in COPDpatients with normal PAP, as ascertained using a right heart catheter. The atrial contribution to total left diastolic filling was further increased in COPDpatients with PAP. PAP correlated with the E/A ratio (r = -0.85; p < 0.0001). CONCLUSIONS:Left ventricular diastolic dysfunction is present in COPDpatients with normal PAP and increases with right ventricular afterload.
Authors: Ming Jack Po; Auranuch Lorsakul; Qi Duan; Kevin J Yeroushalmi; Eiichi Hyodo; Yukiko Oe; Shunichi Homma; Andrew F Laine Journal: Annu Int Conf IEEE Eng Med Biol Soc Date: 2010
Authors: Wassim W Labaki; Meng Xia; Susan Murray; Jeffrey L Curtis; R Graham Barr; Surya P Bhatt; Eugene R Bleecker; Nadia N Hansel; Christopher B Cooper; Mark T Dransfield; J Michael Wells; Eric A Hoffman; Richard E Kanner; Robert Paine; Victor E Ortega; Stephen P Peters; Jerry A Krishnan; Russell P Bowler; David J Couper; Prescott G Woodruff; Fernando J Martinez; Carlos H Martinez; MeiLan K Han Journal: Respir Med Date: 2018-06-05 Impact factor: 3.415
Authors: Sunil K Agarwal; Gerardo Heiss; R Graham Barr; Patricia P Chang; Laura R Loehr; Lloyd E Chambless; Eyal Shahar; Dalane W Kitzman; Wayne D Rosamond Journal: Eur J Heart Fail Date: 2012-02-25 Impact factor: 15.534
Authors: Michal Schäfer; Stephen Humphries; Kurt R Stenmark; Vitaly O Kheyfets; J Kern Buckner; Kendall S Hunter; Brett E Fenster Journal: Eur Heart J Cardiovasc Imaging Date: 2018-04-01 Impact factor: 6.875
Authors: Benjamin M Smith; Steven M Kawut; David A Bluemke; Robert C Basner; Antoinette S Gomes; Eric Hoffman; Ravi Kalhan; João A C Lima; Chia-Ying Liu; Erin D Michos; Martin R Prince; LeRoy Rabbani; Daniel Rabinowitz; Daichi Shimbo; Steven Shea; R Graham Barr Journal: Circulation Date: 2013-03-14 Impact factor: 29.690
Authors: Mary K Porteous; Bonnie Ky; James N Kirkpatrick; Russell Shinohara; Joshua M Diamond; Rupal J Shah; James C Lee; Jason D Christie; Steven M Kawut Journal: Am J Respir Crit Care Med Date: 2016-06-15 Impact factor: 21.405
Authors: Benjamin M Smith; Martin R Prince; Eric A Hoffman; David A Bluemke; Chia-Ying Liu; Dan Rabinowitz; Katja Hueper; Megha A Parikh; Antoinette S Gomes; Erin D Michos; João A C Lima; R Graham Barr Journal: Chest Date: 2013-10 Impact factor: 9.410