Key result
Synchronized diaphragmatic stimulation enhances cardiac function over sham in heart failure patients without affecting respiration.
Why the study?
Does Synchronized Diaphragmatic Stimulation (SDS) improve outcomes in patients with HFrEF?
Does Synchronized Diaphragmatic Stimulation (SDS) improve outcomes in patients with HFrEF?
Answers are grounded in this paper and cite their sources.
Opens a new treatment axis for HFrEF; extends evidence and warrants larger trials for clinical outcomes.
Synchronized Diaphragmatic Stimulation (SDS) is a novel implantable device-based intervention designed to augment cardiac function by applying cardiac-synchronized electrical stimulation to the diaphragm without altering respiration or being perceptible to patients [1–4]. The diaphragm is widely known for its central role in breathing, but it also strongly affects loading and unloading of the heart. With each breath the diaphragm acts as an ancillary cardiac pump [5]. SDS harnesses the diaphragm as a natural left-ventricular assist for heart failure patients, leveraging a mechanism of action that is largely independent of cardiac anatomy, heart failure phenotypes, and patient comorbidities.
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Goldberg et al. (2026) studied this question. Synchronized Diaphragmatic Stimulation (SDS) significantly enhances cardiac function in heart failure patients without affecting respiration.
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