Table 2.
Comparison between implantable heart failure monitoring devices.
| Parameter | Chronicle | CardioMEMS | HeartPOD | V-LAP |
|---|---|---|---|---|
| Site of pressure readout | Right ventricle | Pulmonary artery | Left atrium | Left atrium |
| Structure | Subcutaneous device with intravenous lead in right ventricle | Implant and external antenna | subcutaneous antenna coil with intravenous trans-septal lead | Implanted within interatrial septum |
| Energy source | Subcutaneous battery | External | External | External |
| Clinical study | COMPASS-HF [33] | CHAMPION [34] | LAPTOP-HF [35] | Ongoing |
| Key findings | Failed in primary outcome | Reduced HF hospitalizations | Stopped early for implant-related complications | Pending |
| Current status | Not available for clinical use | FDA approved | Not available for clinical use | On trial |