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January 25, 2026ASAIO Journal

Clinical and Hemodynamic Effects of Impella 5.5 Therapy in Patients With Cardiogenic Shock

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This research aims to evaluate the hemodynamic and clinical effects of Impella 5.5 therapy in patients with cardiogenic shock, along with identifying predictors of clinical deterioration.
Reviewed cases from 2020 to 2024 involving patients who underwent Impella 5.5 implantation.
Total of 265 patients were assessed, excluding those on preoperative extracorporeal life support.
Final cohort consisted of 177 patients for analysis of hemodynamic response and clinical outcomes.
28% of patients (50) experienced clinical deterioration needing escalation to ECLS or died in-hospital.
72% (127 patients) were successfully bridged to heart replacement therapy or discharged without further device support.
Significant findings included higher levels of creatinine, lactate, WBC count, central venous pressure, and TR severity in deteriorating patients.
Lower pulmonary artery pulsatility index was noted in those who deteriorated, indicating its potential role as a predictor.

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Observational study assesses hemodynamic response to Impella 5.5 in cardiogenic shock, suggesting predictors of deterioration.

Dardik et al. (2026) studied this question.

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