Prognostic value of exercise echocardiography in patients with wild-type transthyretin amyloidosis

Keywords: Wild-type transthyretin amyloidosis, contractile reserve, right ventricular free wall longitudinal strain

Abstract

Background: Wild-type transthyretin amyloidosis is a systemic disease with predominantly cardiac symptoms. The aim of this study was to assess the short-term prognosis of these patients through contractile reserve measured by stress echocardiography, given the usefulness that this parameter has demonstrated in other populations. We considered major events as death from any cause and hospitalization for heart failure.

Material and methods: We conducted a study with a 1-year follow-up in 11 patients who were proposed to undergo a stress echocardiogram, with the follow-up as usual according to their doctor. We excluded pacemaker wearers, patients with permanent atrial fibrillation, those incapable of exertion at low loads, and those with poor acoustic windows.

Results: We found that contractile reserve estimated by right ventricular free wall longitudinal strain is correlated with a lower rate of death (all of them cardiovascular deaths) and hospitalizations for heart failure.

Conclusions: Contractile reserve assessed by right ventricular free wall longitudinal strain is a predictor of major events in patients with wild-type transthyretin cardiac amyloidosis.

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References


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Published
2022-03-28
How to Cite
Aguilera Agudo C., Moñivas Palomero V., González López E., & Mingo Santos S. (2022). Prognostic value of exercise echocardiography in patients with wild-type transthyretin amyloidosis. Upsala Journal of Medical Sciences, 127(1). https://doi.org/10.48101/ujms.v127.8410