Cardiac Troponin I Levels in Children with Acute Severe Asthma Treated with IV Salbutamol

ObjectivesDuring the attacks of acute severe bronchial asthma there are marked cardiopulmonary changes leading to hypoxia. The study aims to find the incidence of myocardial dysfunction in patients of acute severe bronchial asthma based on cardiac enzyme levels at admission and see whether the myocardial damage is transient or persistent even after stabilization of the patient based on enzyme levels at discharge.Materials and methodsThis prospective, case control study was done at Department of Pediatrics, Institute of Medical Sciences, Banaras Hindu University between October 2016 to May 2018. Sixty pediatric patients of acute severe bronchial asthma were taken as cases and 15 age and sex matched children served as controls. Blood samples were collected in Ethylene diamine tetra acetic acid vials before the start of treatment, for measurement of cardiac biomarkers Troponin I (TnI), Brain natriuretic peptide (BNP) and Creatine Kinase-muscle/brain (CK-MB) and repeat samples were taken before discharge.ResultsFifty percent of the cases had abnormal TnI levels, 15% had abnormal CK-MB levels and 8.3% had abnormal BNP levels at admission. At discharge, only 1 (1.7%) case had abnormal levels of CK-MB, whereas the levels of TnI and BNP normalized in all. The level of cardiac biomarkers were significantly raised at admission when compared to discharge values (p value < 0.001).ConclusionsThe raised cardiac biomarkers suggest myocardial stress during acute exacerbation of bronchial asthma. Though, the present study showed that the changes are of transient nature, larger follow up studies are required to document any permanent damage to myocardium.

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Cardiac Troponin I Levels in Children with Acute Severe Asthma Treated with IV Salbutamol

Abstract: Background: Severe acute asthma and its treatment may uncommonly result in cardiac complications such as arrhythmias and acute coronary ischaemia.

Cited by 2 publications

References 5 publications

Cardiac Biomarkers in the Setting of Asthma Exacerbations: a Review of Clinical Implications and Practical Considerations

Cardiac Biomarkers in the Setting of Asthma Exacerbations: a Review of Clinical Implications and Practical Considerations

Evaluation of cardiac biomarkers in children with acute severe bronchial Asthma-A prospective study from tertiary care center in northern India

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