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Use of a Percutaneous Ventricular Assist Device/Left Atrium to Femoral Artery Bypass System for Cardiogenic Shock
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Initial experience with telemonitoring in left ventricular assist device patients.

Stephan Hohmann1, Christian Veltmann1, David Duncker1

  • 1Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany.

Journal of Thoracic Disease
|June 12, 2019
PubMed
Summary

Telemonitoring of left ventricular assist devices (LVADs) shows promise for early detection of complications like hypovolemia and pump thrombosis. This approach can aid in managing patients with end-stage heart failure and improve outcomes.

Keywords:
Left ventricular assist device (LVAD)device thrombosisheart failurehypovolemiatelemonitoring

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Area of Science:

  • Cardiology
  • Medical Devices
  • Remote Patient Monitoring

Background:

  • Left ventricular assist devices (LVADs) are crucial for end-stage heart failure management.
  • Telemetric monitoring capabilities are available in devices like HeartAssist 5 and aVAD.
  • This study presents the initial single-center experience with the largest telemonitoring cohort of LVAD patients.

Purpose of the Study:

  • To evaluate the utility of real-time telemonitoring for LVAD recipients.
  • To assess the early detection of complications using telemonitoring data.
  • To explore the impact of remote monitoring on patient follow-up.

Main Methods:

  • Eleven patients with telemonitoring-capable LVADs were included.
  • Waveform and alarm data were collected from the telemonitoring system.
  • Clinical data were reviewed from hospital records.

Main Results:

  • The cohort comprised 11 patients with a mean age of 59 years.
  • A total of 6,216 alarms were generated, with low flow alarms being most common (hypovolemia, pump thrombosis).
  • Pump thrombosis was suspected in 5 patients, with 8 episodes of flow decrease and hemolysis.

Conclusions:

  • Real-time telemonitoring of LVAD parameters is a valuable tool for patient follow-up.
  • Trending pump flow aids in early detection of hypovolemia and LVAD thrombosis.
  • Further research is needed to determine the impact of remote monitoring on patient prognosis.