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Left Atrial Pressure Monitoring With an Implantable Wireless Pressure Sensor After Implantation of a Left Ventricular Assist Device
| Content Provider | Scilit |
|---|---|
| Author | Hubbert, Laila Baranowski, Jacek Delshad, Baz Ahn, Henrik |
| Copyright Year | 2017 |
| Description | Journal: Asaio journal After implantation of a continuous-flow left ventricular assist device (LVAD), left atrial pressure (LAP) monitoring allows for the precise management of intravascular volume, inotropic therapy, and pump speed. In this case series of 4 LVAD recipients, we report the first clinical use of this wireless pressure sensor for the long-term monitoring of LAP during LVAD support. A wireless microelectromechanical system pressure sensor (Titan, ISS Inc., Ypsilanti, MI) was placed in the left atrium in four patients at the time of LVAD implantation. Titan sensor LAP was measured in all four patients on the intensive care unit and in three patients at home. Ramped speed tests were performed using LAP and echocardiography in three patients. The left ventricular end-diastolic diameter (cm), flow (L/min), power consumption (W), and blood pressure (mm Hg) were measured at each step. Measurements were performed over 36, 84, 137, and 180 days, respectively. The three discharged patients had equipment at home and were able to perform daily recordings. There were significant correlations between sensor pressure and pump speed, LV and LA size and pulmonary capillary wedge pressure, respectively (r = 0.92–0.99, p < 0.05). There was no device failure, and there were no adverse consequences of its use. |
| Related Links | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5585124/pdf |
| Ending Page | e65 |
| Page Count | 6 |
| Starting Page | e60 |
| ISSN | 10582916 |
| e-ISSN | 1538943X |
| DOI | 10.1097/mat.0000000000000451 |
| Journal | Asaio journal |
| Issue Number | 5 |
| Volume Number | 63 |
| Language | English |
| Publisher | Ovid Technologies (Wolters Kluwer Health) |
| Publisher Date | 2017-09-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Asaio journal Cardiology and Cardiovascular Diseases Mechanical Circulatory Support Left Atrial Pressure |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Biomaterials Biophysics Bioengineering Biomedical Engineering |
