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April 15, 2026BMC Cardiovascular DisordersOpen Access

Trajectories of the systemic pulsatility index after CF-LVAD implantation and clinical impact

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Authors

TWTianlong WangXWXiaohu WangXZXingtong Zhou

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Overview

Retrospective study explores SPI trajectories impacting major adverse events in heart failure patients, indicating possible risk factors.

Key Points

  • To investigate the trajectories of the systemic pulsatility index (SPI) after CF-LVAD implantation and their clinical implications.
  • Conducted a retrospective analysis of adults receiving CF-LVAD at four centers in China.
  • Calculated SPI from blood pressure measurements pre- and post-LVAD implantation.
  • Used Latent Class Trajectory Modeling to identify SPI trajectory classes post-implantation.
  • Evaluated major adverse events (MAE) within 90 days and secondary complications.
  • No significant differences in MAE among SPI trajectory groups (P=0.973).
  • Identified four distinct SPI trajectory classes using only post-LVAD data.
  • Patients with higher SPI post-LVAD had a lower incidence of postoperative myocardial infarction (MI) (OR 0.19, P=0.015).

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69df2ae6e4eeef8a2a6afd31https://doi.org/10.1186/s12872-026-05831-8
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