Right ventricular-vascular coupling in heart failure with preserved ejection fraction and pre- vs. post-capillary pulmonary hypertension

Thomas M. Gorter*, Dirk J. van Veldhuisen, Adriaan A. Voors, Yoran M. Hummel, Carolyn. S. P. Lam, Rolf M. F. Berger, Joost P. van Melle, Elke S. Hoendermis

*Corresponding author for this work

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Abstract

Aims Many patients with heart failure with preserved ejection fraction (HFpEF) develop post-capillary pulmonary hypertension (PH) due to increased left-sided filling pressures. However, a subset of patients develops combined postand pre-capillary PH. We studied the value of echocardiographic right-sided characterization for the discrimination between pre- vs. post-capillary PH in HFpEF, using invasive haemodynamics as gold standard.

Methods and results 102 consecutive HFpEF patients with simultaneous right heart catheterization and echocardiography were identified. Patients were divided into: 'no PH', 'isolated post-capillary PH', and 'post-and pre-capillary PH'. Systolic pulmonary arterial pressure (SPAP), tricuspid valve annular plane systolic excursion (TAPSE), right ventricular-vascular coupling (TAPSE/SPAP), and VO2-max were assessed. Primary endpoint was all-cause mortality. A total of 97 patients were included: 22% no PH, 47% isolated post-capillary PH, and 31% post- and pre-capillary PH. Patients with post-and pre-capillary PH had more often diabetes mellitus (47 vs. 24%, P = 0.04), had more heart failure hospitalizations (57 vs. 26%, P = 0.007) and lower VO2-max (10 vs. 13 mL/min/kg, P = 0.008), compared with those with isolated post-capillary PH. Patients with post-and pre-capillary PH also had more reduced TAPSE (17 vs. 21 mm, P = 0.001) and TAPSE/SPAP (0.3 vs. 0.5, P <0.001). TAPSE/SPAP ratio <0.36 had a good accuracy to identify patients with additional pre-capillary PH (C-statistic 0.86, sensitivity 86% and specificity 79%). TAPSE/SPAP ratio was associated with increased mortality (HR 2.51 [95% CI 1.25-5.01], P = 0.009).

Conclusion Abnormal right ventricular-vascular coupling identifies patients with HFpEF and additional pre-capillary PH, and predicts poor outcome in HFpEF.

Original languageEnglish
Pages (from-to)425-432
Number of pages8
JournalEuropean heart journal-Cardiovascular imaging
Volume19
Issue number4
DOIs
Publication statusPublished - 1-Apr-2018

Keywords

  • HFpEF
  • pre- and post-capillary pulmonary hypertension
  • right ventricular function
  • ECHOCARDIOGRAPHY
  • ASSOCIATION
  • DYSFUNCTION
  • PROGNOSIS
  • SOCIETY
  • TRIAL

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