New diagnostic devices in heart failure.
PURPOSE OF REVIEW: Heart failure is among the leading causes of morbidity and mortality in the United States. In recent years, implantable devices have been developed that aim to predict impending heart failure events in time to prevent clinical decompensation. This review focuses on these emerging technologies and the implications they hold for the future of heart failure management. RECENT FINDINGS: Many devices have recently been studied in patients with heart failure. These devices either evaluate hemodynamic values, including pulmonary and left atrial pressures, or intrathoracic impedance, which is related to pulmonary congestion. In small trials, device-acquired parameters like these have correlated well with data obtained during pulmonary artery catheterization. At least one trial has suggested a possible reduction in clinical heart failure events in patients with a device measuring pulmonary pressures. Other trials, recently completed or ongoing, are expected to shed more light on the role of diagnostic devices in improving heart failure outcomes. SUMMARY: Incorporation of diagnostic devices into the management of heart failure patients may prove instrumental in reducing the burden of this disease on patients and healthcare systems.
Schlendorf, KH; Russell, SD
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