Impella ventricular assist device effective for Takotsubo syndrome with shock: Study

Written By :  Dr. Shravani Dali
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2021-12-07 04:30 GMT   |   Update On 2021-12-07 05:30 GMT
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Impella pVAD effective for Takotsubo syndrome with shock, according to a recent study published in the Cardiovascular Revascularization Medicine

A group of researchers conducted a study to analyze the characteristics and outcome of Impella mechanical circulatory support (MCS) for Takotsubo syndrome (TS) with cardiogenic shock.

Takotsubo syndrome (TS) is an acute heart failure syndrome characterized by transient severe reduction of left ventricular (LV) systolic function, with cardiogenic shock occurring in around 10% of patients. Since inotropes should be avoided due to their role in TS pathogenesis and aggravation of LV outflow tract obstruction, the use of MCS as treatment is a viable treatment option, however, studies are lacking.

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The catheter-based ventricular assist device (cVAD) registry and local MCS databases were screened for TS patients with cardiogenic shock (TS-CS) supported with an Impella percutaneous ventricular assist device (pVAD). Patient and treatment characteristics and in-hospital outcomes were retrospectively analyzed.

The Results of the study are as follows:

At 10 US and European centers, 16 TS-CS patients supported with an Impella pVAD were identified between December 2013 and May 2018 (mean age, 61.8 ± 15.5 years; 87.5% women). LV ejection fraction (LVEF) at presentation was severely reduced (mean, 19.4 ± 8.3%). Prior to MCS, 13 patients (81.3%) were mechanically ventilated, 4 patients (25.0%) had been resuscitated, and mean serum lactate was 4.7 ± 3.5 mmol/L. Mean duration of Impella support was 1.9 ± 1.0 days (range, 1–4 days). Thirteen patients (81.3%) survived to discharge, and all survivors experienced cardiac recovery with significant improvement of LVEF at discharge compared to baseline (20.4 ± 8.8 vs. 52.9 ± 12.0, P < 0.001).

Thus, the researchers concluded that this is the first series of TS-CS patients supported with an Impella pVAD. Mortality was low, and LV systolic function recovered in all survivors. Prospective studies of Impella support in this special condition are warranted.

Reference:

Impella mechanical circulatory support for Takotsubo syndrome with shock: A retrospective multicenter analysis Author links open overlay panel by Christian Napp et al. published in the Cardiovascular Revascularization Medicine

https://doi.org/10.1016/j.carrev.2021.11.018



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Article Source : Cardiovascular Revascularization Medicine

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