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<p>Heart Failure (HF) is a global epidemic, with high readmission rates and significant morbidity persisting due to gaps in post-acute care.Traditional follow-up often misses gradual postoperative cardiac deterioration occurring outside hospital settings. While advances in remote patient monitoring show promise, practical, continuous, and sensitive methods remain lacking. Building on previous work introducing a durable, soft strain sensor, this research presents VITALS, an implantable strain sensing network that enables continuous biventricular, multiaxial monitoring of cardiac function. The sensor’s design demonstrates improved fatigue life in bechtop testing compared to other soft, large-deformation strain sensors, while effectively minimizing shear loading effects to enhance accuracy. Additionally, the network integrates a sensor on the aorta for synchronous systolic pressure monitoring. Acute animal studies demonstrate the potential of VITALS’ to track epicardial strain, detect preload changes rapidly, and differentiate inotropic states. Validation against echocardiographic chamber volumes and GLS provides preliminary support of the sensor’s clinical relevance.</p>

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VITALS: an implantable sensor network for postoperative cardiac monitoring in heart failure patients

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月3日

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  • Ali Kight,
  • Moussa Haidar,
  • Masafumi Shibata,
  • Yoshikazu Ono,
  • Gentaro Ikeda,
  • Amit Sharir,
  • Federica Semproni,
  • Yellappa Palagani,
  • Sawson Taheri,
  • Amy Kyungwon Han,
  • Michael Ma,
  • Kirk Riemer,
  • Doff B. McElhinney,
  • Seraina A. Dual,
  • Mark Cutkosky

摘要

Heart Failure (HF) is a global epidemic, with high readmission rates and significant morbidity persisting due to gaps in post-acute care.Traditional follow-up often misses gradual postoperative cardiac deterioration occurring outside hospital settings. While advances in remote patient monitoring show promise, practical, continuous, and sensitive methods remain lacking. Building on previous work introducing a durable, soft strain sensor, this research presents VITALS, an implantable strain sensing network that enables continuous biventricular, multiaxial monitoring of cardiac function. The sensor’s design demonstrates improved fatigue life in bechtop testing compared to other soft, large-deformation strain sensors, while effectively minimizing shear loading effects to enhance accuracy. Additionally, the network integrates a sensor on the aorta for synchronous systolic pressure monitoring. Acute animal studies demonstrate the potential of VITALS’ to track epicardial strain, detect preload changes rapidly, and differentiate inotropic states. Validation against echocardiographic chamber volumes and GLS provides preliminary support of the sensor’s clinical relevance.