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An implantable pressure sensor for long-term wireless monitoring of cardiac function- first study in man
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Thoracic and Vascular Surgery.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Thoracic and Vascular Surgery.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Clinical Physiology in Linköping.
2016 (English)In: Journal of Cardiovascular Diseases & Diagnosis, ISSN 2329-9517, Vol. 4, no 4Article in journal (Refereed) Published
Abstract [en]

Background: Heart failure is a huge health problem. The possibility of long-term monitoring heart function more accurately in these patients has gained increasing interest. The primary aim of this study was to see if a wireless pressure sensor can be safely implanted to give accurate and reproducible long-term intracardiac pressure recordings. Another aim was to see if there are any adverse effects connected with the implant. A control group was included for comparison of clinical data.

Methods: Forty patients with heart failure, 31 scheduled for open heart surgery and 9 for transcatheter aortic valve replacement (TAVR) were included to test the safety and feasibility of the Titan™ pressure sensor. The patients were randomized to the implant or control group.

Findings: Initial sensor measurements showed very good correlation with reference pressure values from a fluid-filled catheter, and there was no need for calibration of the sensor. At the 6-month follow-up 11 patients had been wearing the implant for >1 year with a median time of 560 days. Ten of these had adequate sensor function. Compared to the control group there was no difference in adverse clinical events and the overall number of complications was low.

Conclusions: This first study in man on a new implantable wireless hemodynamic monitor showed favorable results regarding our primary endpoints; accuracy of recordings over time and safety profile. The technology has great potential for monitoring at home since it is easy to use in the out-patient setting.

Place, publisher, year, edition, pages
2016. Vol. 4, no 4
National Category
Medical and Health Sciences Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-135460DOI: 10.4172/2329-9517.1000252OAI: oai:DiVA.org:liu-135460DiVA: diva2:1081877
Available from: 2017-03-15 Created: 2017-03-15 Last updated: 2017-04-04

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Ahn, HenrikDelshad, BazBaranowski, Jacek
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Division of Cardiovascular MedicineFaculty of Medicine and Health SciencesDepartment of Thoracic and Vascular SurgeryDepartment of Clinical Physiology in Linköping
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