Exercise hemodynamics in patients with and without diastolic dysfunction and preserved ejection fraction after myocardial infarction

Mads J. Andersen, Mads Ersbll, John Bro -Jeppesen, Finn Gustafsson, Christian Hassager, Lars Kber, Barry A Borlaug, Sren Boesgaard, Jesper Kjærgaard, Jacob E. Mller

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Background-Left ventricular diastolic dysfunction (DD) is common after myocardial infarction (MI) despite preservation of left ventricular ejection fraction, yet it remains unclear how or whether DD affects cardiac hemodynamics with stress. Methods and Results-Invasive hemodynamic exercise testing was performed in 46 patients with a recent MI and left ventricular ejection fraction >45% and in 10 healthy volunteers. MI patients were enrolled prospectively and divided into those with DD (MI+DD; left atrial volume index >34 mL/m2 and diastolic E/e ratio>8; n=35) and those without DD (MI-DD; left atrial volume index <34 mL/m2 and E/e ratio<8; n=11). All underwent a supine cycle ergometer test with simultaneous right heart catheterization and echocardiography. At rest, 10 patients in MI+DD (29%) had pulmonary capillary wedge pressure >15 (14±4 mm Hg), whereas none of the MIDD (10±2 mm Hg) or controls (9±2 mm Hg) displayed pulmonary capillary wedge pressure elevation (P=0.03). During exercise, an abnormal rise in pulmonary capillary wedge pressure (>25 mm Hg) was observed in 94% of MI+DD (36±6 mm Hg) compared with 36% of MIDD (24±6 mm Hg) and none of the controls (16±6 mm Hg; P<0.0001). Exercise right atrial pressure was the highest in MI+DD followed by MIDD and control (15±5 versus 9±4 versus 7±5 mm Hg; P<0.001), whereas no difference in cardiac index was found between groups. Conclusions-In post-MI patients with preserved ejection fraction and left ventricular DD, cardiac output with exercise is maintained at the expense of substantially increased filling pressure. DD and loss of diastolic reserve may promote progression from stage B to stage C heart failure after MI.

Original languageEnglish (US)
Pages (from-to)444-451
Number of pages8
JournalCirculation: Heart Failure
Volume5
Issue number4
DOIs
StatePublished - Jul 2012

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Hemodynamics
Myocardial Infarction
Exercise
Pulmonary Wedge Pressure
Left Ventricular Dysfunction
Stroke Volume
Atrial Pressure
Cardiac Output
Healthy Volunteers
Heart Failure
Pressure

Keywords

  • Diastolic dysfunction
  • Exercise
  • Heart failure
  • Myocardial infarction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Exercise hemodynamics in patients with and without diastolic dysfunction and preserved ejection fraction after myocardial infarction. / Andersen, Mads J.; Ersbll, Mads; Bro -Jeppesen, John; Gustafsson, Finn; Hassager, Christian; Kber, Lars; Borlaug, Barry A; Boesgaard, Sren; Kjærgaard, Jesper; Mller, Jacob E.

In: Circulation: Heart Failure, Vol. 5, No. 4, 07.2012, p. 444-451.

Research output: Contribution to journalArticle

Andersen, MJ, Ersbll, M, Bro -Jeppesen, J, Gustafsson, F, Hassager, C, Kber, L, Borlaug, BA, Boesgaard, S, Kjærgaard, J & Mller, JE 2012, 'Exercise hemodynamics in patients with and without diastolic dysfunction and preserved ejection fraction after myocardial infarction', Circulation: Heart Failure, vol. 5, no. 4, pp. 444-451. https://doi.org/10.1161/CIRCHEARTFAILURE.112.967919
Andersen, Mads J. ; Ersbll, Mads ; Bro -Jeppesen, John ; Gustafsson, Finn ; Hassager, Christian ; Kber, Lars ; Borlaug, Barry A ; Boesgaard, Sren ; Kjærgaard, Jesper ; Mller, Jacob E. / Exercise hemodynamics in patients with and without diastolic dysfunction and preserved ejection fraction after myocardial infarction. In: Circulation: Heart Failure. 2012 ; Vol. 5, No. 4. pp. 444-451.
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abstract = "Background-Left ventricular diastolic dysfunction (DD) is common after myocardial infarction (MI) despite preservation of left ventricular ejection fraction, yet it remains unclear how or whether DD affects cardiac hemodynamics with stress. Methods and Results-Invasive hemodynamic exercise testing was performed in 46 patients with a recent MI and left ventricular ejection fraction >45{\%} and in 10 healthy volunteers. MI patients were enrolled prospectively and divided into those with DD (MI+DD; left atrial volume index >34 mL/m2 and diastolic E/e ratio>8; n=35) and those without DD (MI-DD; left atrial volume index <34 mL/m2 and E/e ratio<8; n=11). All underwent a supine cycle ergometer test with simultaneous right heart catheterization and echocardiography. At rest, 10 patients in MI+DD (29{\%}) had pulmonary capillary wedge pressure >15 (14±4 mm Hg), whereas none of the MIDD (10±2 mm Hg) or controls (9±2 mm Hg) displayed pulmonary capillary wedge pressure elevation (P=0.03). During exercise, an abnormal rise in pulmonary capillary wedge pressure (>25 mm Hg) was observed in 94{\%} of MI+DD (36±6 mm Hg) compared with 36{\%} of MIDD (24±6 mm Hg) and none of the controls (16±6 mm Hg; P<0.0001). Exercise right atrial pressure was the highest in MI+DD followed by MIDD and control (15±5 versus 9±4 versus 7±5 mm Hg; P<0.001), whereas no difference in cardiac index was found between groups. Conclusions-In post-MI patients with preserved ejection fraction and left ventricular DD, cardiac output with exercise is maintained at the expense of substantially increased filling pressure. DD and loss of diastolic reserve may promote progression from stage B to stage C heart failure after MI.",
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AU - Andersen, Mads J.

AU - Ersbll, Mads

AU - Bro -Jeppesen, John

AU - Gustafsson, Finn

AU - Hassager, Christian

AU - Kber, Lars

AU - Borlaug, Barry A

AU - Boesgaard, Sren

AU - Kjærgaard, Jesper

AU - Mller, Jacob E.

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N2 - Background-Left ventricular diastolic dysfunction (DD) is common after myocardial infarction (MI) despite preservation of left ventricular ejection fraction, yet it remains unclear how or whether DD affects cardiac hemodynamics with stress. Methods and Results-Invasive hemodynamic exercise testing was performed in 46 patients with a recent MI and left ventricular ejection fraction >45% and in 10 healthy volunteers. MI patients were enrolled prospectively and divided into those with DD (MI+DD; left atrial volume index >34 mL/m2 and diastolic E/e ratio>8; n=35) and those without DD (MI-DD; left atrial volume index <34 mL/m2 and E/e ratio<8; n=11). All underwent a supine cycle ergometer test with simultaneous right heart catheterization and echocardiography. At rest, 10 patients in MI+DD (29%) had pulmonary capillary wedge pressure >15 (14±4 mm Hg), whereas none of the MIDD (10±2 mm Hg) or controls (9±2 mm Hg) displayed pulmonary capillary wedge pressure elevation (P=0.03). During exercise, an abnormal rise in pulmonary capillary wedge pressure (>25 mm Hg) was observed in 94% of MI+DD (36±6 mm Hg) compared with 36% of MIDD (24±6 mm Hg) and none of the controls (16±6 mm Hg; P<0.0001). Exercise right atrial pressure was the highest in MI+DD followed by MIDD and control (15±5 versus 9±4 versus 7±5 mm Hg; P<0.001), whereas no difference in cardiac index was found between groups. Conclusions-In post-MI patients with preserved ejection fraction and left ventricular DD, cardiac output with exercise is maintained at the expense of substantially increased filling pressure. DD and loss of diastolic reserve may promote progression from stage B to stage C heart failure after MI.

AB - Background-Left ventricular diastolic dysfunction (DD) is common after myocardial infarction (MI) despite preservation of left ventricular ejection fraction, yet it remains unclear how or whether DD affects cardiac hemodynamics with stress. Methods and Results-Invasive hemodynamic exercise testing was performed in 46 patients with a recent MI and left ventricular ejection fraction >45% and in 10 healthy volunteers. MI patients were enrolled prospectively and divided into those with DD (MI+DD; left atrial volume index >34 mL/m2 and diastolic E/e ratio>8; n=35) and those without DD (MI-DD; left atrial volume index <34 mL/m2 and E/e ratio<8; n=11). All underwent a supine cycle ergometer test with simultaneous right heart catheterization and echocardiography. At rest, 10 patients in MI+DD (29%) had pulmonary capillary wedge pressure >15 (14±4 mm Hg), whereas none of the MIDD (10±2 mm Hg) or controls (9±2 mm Hg) displayed pulmonary capillary wedge pressure elevation (P=0.03). During exercise, an abnormal rise in pulmonary capillary wedge pressure (>25 mm Hg) was observed in 94% of MI+DD (36±6 mm Hg) compared with 36% of MIDD (24±6 mm Hg) and none of the controls (16±6 mm Hg; P<0.0001). Exercise right atrial pressure was the highest in MI+DD followed by MIDD and control (15±5 versus 9±4 versus 7±5 mm Hg; P<0.001), whereas no difference in cardiac index was found between groups. Conclusions-In post-MI patients with preserved ejection fraction and left ventricular DD, cardiac output with exercise is maintained at the expense of substantially increased filling pressure. DD and loss of diastolic reserve may promote progression from stage B to stage C heart failure after MI.

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KW - Heart failure

KW - Myocardial infarction

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