Journal
EUROPEAN JOURNAL OF PEDIATRICS
Volume 180, Issue 11, Pages 3379-3389Publisher
SPRINGER
DOI: 10.1007/s00431-021-04130-y
Keywords
Anorexia nervosa; Cardiopathy; Childhood; Echocardiography
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Prompt detection of cardiovascular abnormalities in children with anorexia nervosa and physical instability requiring hospitalization is crucial to identify those at higher cardiovascular risk. Anorexia nervosa cardiopathy is characterized by worse left ventricle filling, geometry, and subclinical myocardial deformation impairment in patients with multiple cardiac findings. While most cardiovascular changes recover at follow-up, some alterations in ventricular size and diastolic function persist in certain patients despite treatment.
Prompt detection of cardiovascular abnormalities in children with anorexia nervosa and physical instability requiring hospitalization is essential to identify patients at higher cardiovascular risk. We studied all anorexia nervosa children requiring admission at Paediatric Institute in the period 2015-2019. Anorexia nervosa cardiopathy at admission was defined by the presence of at least two of the following clinical findings: pericardial effusion, mitral regurgitation, bradycardia, mitral billowing, aortic regurgitation, altered LV morphology and ECG abnormalities. Echocardiographic data were compared with those registered at 3-8-month follow-up and with data from a healthy population. Thirty-eight anorexia nervosa children were examined. Prevalence of anorexia nervosa cardiopathy at admission was 63% (24 patients). Pericardial effusion, bradycardia and mitral regurgitation were present together in 26% of patients. Most cardiovascular changes recovered at follow-up. Anorexia nervosa cardiopathy was associated with significantly lower left ventricle end-diastolic diameters and mass, and higher E wave, E/A and E/e' ratios and left ventricle sphericity index values vs healthy population and vs anorexia nervosa children without cardiopathy (p<0.05). Left ventricle global longitudinal strain was significantly reduced only in anorexia nervosa cardiopathy patients but recovered, whereas end-diastolic diameters, E/A ratio and sphericity index values remained impaired. Conclusion: Among anorexia nervosa children requiring hospitalization, those presenting several cardiac findings together express an acute anorexia nervosa cardiopathy which is characterized by worse LV filling, geometry and subclinical myocardial deformation impairment. Despite treatment, in those patients, some alterations persist at mid-term follow-up.
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