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Aims  Remote haemodynamic monitoring (RHM) decreases hospitalization rates in patients with chronic heart failure (HF). Many patients with chronic HF develop pulmonary hypertension (PH) secondary to left heart disease with some acquiring combined pre‐capillary and post‐capillary PH (Cpc‐PH). The efficacy of RHM in achieving pulmonary pressure reductions in patients with Cpc‐PH vs. isolated post‐capillary PH (Ipc‐PH) is unknown. The purpose of this study is to evaluate whether a higher baseline diastolic pressure gradient (DPG baseline ) measured at the time of CardioMEMS™ HF sensor implantation is associated with lower reductions in pulmonary artery diastolic pressures (PADP).    Methods and results  This was a retrospective analysis of 32 patients meeting clinical indications for CardioMEMS™ implantation. DPG baseline  categorized patients as Cpc‐PH (DPG ≥ 7 mmHg) or Ipc‐PH (DPG < 7 mmHg). Minimum achievable PADP (PADP min ) and ∆PADP (PADP baseline  − PADP min ) were determined. Pearson's correlation analysis and comparison of mean pressure changes were assessed. Median age was 69 years, and median left ventricular ejection fraction (LVEF) was 25%. Eight patients (25%) had a LVEF ≥40%. Twenty‐five patients (78%) met criteria for Ipc‐PH and seven (22%) for Cpc‐PH. Neither PADP min  ( ρ  = 0.27;  P  = 0.13) nor ΔPADP ( ρ  = 0.07;  P  = 0.72) was correlated with DPG baseline . A trend towards higher ΔPADP was seen in Cpc‐PH vs. Ipc‐PH patients (15.2 vs. 9.88 mmHg;  P  = 0.12). There was a moderate positive correlation between baseline PADP and ΔPADP [ ρ  = 0.55 (0.26–0.76);  P  < 0.001].    Conclusions  Decreased PADP reduction was not seen in Cpc‐PH vs. Ipc‐PH patients. Higher PADP baseline  was associated with greater ΔPADP. Larger studies are needed to elaborate our findings.

Baseline diastolic pressure gradient and pressure reduction in chronic heart failure patients implanted with the CardioMEMS™ HF sensor