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Heart failure is one of the most important medical problems facing societies in developed economies and its prevalence is predicted to rise inexorably in the next few decades as longevity increases. Worsening heart failure leading to hospitalization is associated with a poor prognosis and imposes a substantial burden on health care resources and budgets. Interventions that can stabilize patients should reduce the need for hospitalization and improve prognosis. This might be facilitated by frequent self-monitoring of clinical and physiological variables by patients themselves at home. Rising pulmonary artery pressure is an early sign of cardiac decompensation that may be more sensitive than conventional methods of patient assessment and thus allow early adjustment of medical therapy to avoid hospitalizations and improve patient outcomes. Remote monitoring of pulmonary artery pressure is now possible using devices that can be implanted percutaneously. This innovative technology could become a routine part of the management of heart failure in the next few decades.