Background: Supraventricular Tachycardia (SVT) is the most frequent arrhythmia requiring a medical treatment in neonates. Objectives: The aim of our study was to evaluate and manage neonatal supraventricular tachycardia. Methods: This study was performed on 22 newborns that were diagnosed with SVT at two neonatal intensive care units (NICU) in south west of Iran from October 2012 to October 2015. Data on gender, age, weight, maternal age, gestational age, presence of congenital heart disease, blood pressure in admission, duration of hospitalization period, duration of SVT, medicine for the control of SVT, list of medicine administered at releasing time were collected. Echocardiography was performed for all patients. Data was analyzed by the SPSS version 18 software.
Coronavirus disease 19 (Covid-19) has been declared as a pandemic disease since March 2020; causing wide array of signs and symptoms, many of which result in increased mortality rates worldwide. Although it was initially known as an acute respiratory disease, Covid-19 is accompanied with several extrapulmonary manifestations, of which the cardiovascular ones are of major importance. Among other cardiovascular complications of Covid-19, aortic dissection has been a significant yet underrated problem. The pathophysiology of aortic dissection consists of various inflammatory pathways, that could be influenced by Covid-19 infection. We herein have reviewed articles inclusive of aortic dissection concurrent with Covid-19 infection in a systematic manner, along with the probable similarities in pathophysiology of aortic dissection with Covid-19 infection.
A 9-year-old girl with signs and symptoms of acute toxic myocarditis and cardiogenic shock with elevated cardiac enzymes was admitted to the Critical Care Unit (CCU) of our hospital with an ejection fraction of 25%. The patient was managed with supportive care and the administration of polyvalent antivenom and inotropes, and after 8 days, she was discharged without any complication with normal ejection fraction. Toxic myocarditis can be a result of scorpion envenomation. After two months of follow-up, the patient recovered completely and medications were discontinued.
Introduction: Thalassemia is a disorder that affects beta globin gene production and the resultant need for erythrocyte transfusions puts the patient at risk for iron loading, especially cardiac iron loading. Cardiac complications are the most serious ones accompanied by morbidity and mortality. The most harm to the heart is caused by iron overload. Ferritin is generally associated with the amount of stored iron in the body. The aim of this study was to investigate the relationship between echocardiographic findings and serum ferritin level. Materials & Methods:107 patients with thalassemia major were enrolled in this prospective analytical study. Serum ferritin levels and echocardiographic findings (diastolic, systolic, pulmonary artery pressure, valvular dysfunctions) were assessed. The data were analyzed by spearman statistical test.Results: Serum ferritin levels of the thalassemia major patients in the study were 2419.13±1772.65 ng/ml. there wasn't any significant relationship between echocardiographic findings and serum ferritin level. Conclusion:Although our findings didn't support the association between ferritin level and echocardiographic data but we suggest serial cardiac assessment to prevent the effect of increasing iron on the heart.
Introduction: β2–agonists are first election drugs for the treatment of respiratory disease that may alter cardiac autonomic modulation. The aim of this study was to evaluate the effects of nebulized Ventolin on electrocardiogram, particularly QTc interval to assess the potential arrhythmogenic risks. Methods: A total of 192 patients between 2 months and 15 years which received nebulized Ventolin were enrolled in this study. Patients were divided into two groups. Electrocardiograms of patients before and after nebulized Ventolin were taken. Differences between two groups were assessed using a paired student’s t test. Results: There was statistically significant differences in QTc before and after Ventolin in each groups (P<0.005).Ventolin effect on QTc interval in both groups did not differ. In first group, there was statistically significant differences between heart rate before and after Ventolin taken (P=0.009) but in second group there was not statistically significant differences between heart rate (P=0.345). Conclusion: Although Ventolin can cause changes in QTc, Ventolin with 0.15 mg/kg/dose in comparison with 0.1 mg/kg/dose does not cause significant changes in QTc.
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