Medicina clinica · 2023
Left ventricular dysfunction and arrhythmias in asymptomatic patients with systemic sclerosis.
СтатьяНазвание и аннотация: Перевод в очереди
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López Núñez Lilian, Carrión-Barberà Irene, Molina Luis, Padró Isabel, Ciria Manel, Salman-Monte Tarek Carlos, Pros Ana
Аннотация
INTRODUCTION AND AIMS: Cardiac involvement in systemic sclerosis (SS) is frequently silent and a major cause of mortality in these patients. This work aims to study the prevalence and associations of left ventricular dysfunction (LVD) and arrhythmias in SS.
METHODS AND RESULTS: Prospective study of SS patients (n=36), excluding those with symptoms of (or) cardiac disease, pulmonary arterial hypertension or cardiovascular risk factors (CVRF). A clinical, analytical, electrocardiogram (EKG), Holter, and echocardiogram with global longitudinal strain (GLS) assessment were performed. Arrhythmias were classified into clinically significant arrhythmias (CSA) and non-significant. Twenty-eight percent had left ventricular diastolic dysfunction (LVDD), 22% LV systolic dysfunction (LVSD) according to the GLS, 11.1% both, and 16.7% cardiac dysautonomia. Fifty percent presented alterations by EKG (44% CSA), 55.6% by Holter (75% CSA) and 8.3% CSA by both. An association was found between the elevation of troponin T (TnTc) and CSA and between the elevation of both NT-proBNP and TnTc with LVDD.
CONCLUSIONS: We found a higher prevalence of LVSD than in the literature, detected by GLS and being 10 times higher than that detected by LVEF, which justifies the need to incorporate this technique in the routine evaluation of these patients. The association of TnTc and NT-proBNP with LVDD suggests that they can be used as minimally invasive biomarkers of this affectation. The absence of correlation between LVD and CSA indicates that the arrhythmias could be due, not only to a supposed structural alteration of the myocardium, but to an independent and early cardiac involvement, which should be actively investigated even in asymptomatic patients without CVRF.
METHODS AND RESULTS: Prospective study of SS patients (n=36), excluding those with symptoms of (or) cardiac disease, pulmonary arterial hypertension or cardiovascular risk factors (CVRF). A clinical, analytical, electrocardiogram (EKG), Holter, and echocardiogram with global longitudinal strain (GLS) assessment were performed. Arrhythmias were classified into clinically significant arrhythmias (CSA) and non-significant. Twenty-eight percent had left ventricular diastolic dysfunction (LVDD), 22% LV systolic dysfunction (LVSD) according to the GLS, 11.1% both, and 16.7% cardiac dysautonomia. Fifty percent presented alterations by EKG (44% CSA), 55.6% by Holter (75% CSA) and 8.3% CSA by both. An association was found between the elevation of troponin T (TnTc) and CSA and between the elevation of both NT-proBNP and TnTc with LVDD.
CONCLUSIONS: We found a higher prevalence of LVSD than in the literature, detected by GLS and being 10 times higher than that detected by LVEF, which justifies the need to incorporate this technique in the routine evaluation of these patients. The association of TnTc and NT-proBNP with LVDD suggests that they can be used as minimally invasive biomarkers of this affectation. The absence of correlation between LVD and CSA indicates that the arrhythmias could be due, not only to a supposed structural alteration of the myocardium, but to an independent and early cardiac involvement, which should be actively investigated even in asymptomatic patients without CVRF.