Why the study?
Does monitoring intrathoracic impedance detect worsening heart failure in patients with heart failure?
Does monitoring intrathoracic impedance detect worsening heart failure in patients with heart failure?
Repeated intrathoracic impedance measurements can help clinicians detect worsening heart failure by tracking fluctuations from a patient's baseline.
May aid HF monitoring via impedance fluctuations; leaves open need for prospective outcome trials before adoption.
In Brief Intrathoracic resistance or impedance measurements also can be used to detect signs of decreasing lung impedance and worsening heart failure. By obtaining repeated measurements over time, the clinician can establish a patient's baseline, and evaluate fluctuations from that baseline, and evaluate fluctuations from that baseline to validate worsening heart failure status.
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Calabrese et al. (2012) studied this question.
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