Arquivos brasileiros de cardiologia · 1995
[Management of children with heart murmurs. Diagnostic importance of noninvasive complementary tests].
Клиническое исследованиеСравнительное исследованиеАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Amaral F T, Granzotti J A, Nunes M A
Аннотация
PURPOSE: To determine the benefits of noninvasive tests in the characterization of heart disease in children referred due to heart murmur.
METHODS: Two hundred and thirty three consecutive children were fully examined with the aid of the electrocardiograma (ECG), chest X-ray and echocardiogram (ECHO). The patients were divided in 2 groups according to the initial diagnosis of innocent murmur (n = 23) and pathological murmur (n = 210). A comparison was made between the initial and final diagnosis after the noninvasive tests. Statistical analysis was employed through the qui-square test.
RESULTS: The initial diagnosis did not change after ECG. The chest X-ray induced the diagnosis of idiopathic dilatation of the main pulmonary artery in one case and of cardiomyopathy in 8 cases, confirmed in only one. After ECHO, the initial diagnosis of innocent murmur was maintained in 70% of the cases, while 30% had some form of heart disease. In 80% of the pathologic murmur group, the diagnosis did not change after ECHO, while 20% were considered as having an innocent murmur. In the 2 groups together, the concordance index between initial and final diagnosis after ECHO reached 90%. Statistically, a non-significant difference was found between the 2 groups.
CONCLUSION: Careful clinical examination is mandatory in the initial evaluation of children with heart murmur. ECG and chest X-ray does not change the initial clinical diagnosis. After ECHO, the diagnosis changing was low (10%), as long as clinical mistakes are eliminated. The initial diagnosis of innocent murmur excludes the necessity of noninvasive tests with a small possibility of error. EKG, chest X-ray and ECHO should be reserved to cases with obvious or persistent suspicious heart disease after clinical examination.
METHODS: Two hundred and thirty three consecutive children were fully examined with the aid of the electrocardiograma (ECG), chest X-ray and echocardiogram (ECHO). The patients were divided in 2 groups according to the initial diagnosis of innocent murmur (n = 23) and pathological murmur (n = 210). A comparison was made between the initial and final diagnosis after the noninvasive tests. Statistical analysis was employed through the qui-square test.
RESULTS: The initial diagnosis did not change after ECG. The chest X-ray induced the diagnosis of idiopathic dilatation of the main pulmonary artery in one case and of cardiomyopathy in 8 cases, confirmed in only one. After ECHO, the initial diagnosis of innocent murmur was maintained in 70% of the cases, while 30% had some form of heart disease. In 80% of the pathologic murmur group, the diagnosis did not change after ECHO, while 20% were considered as having an innocent murmur. In the 2 groups together, the concordance index between initial and final diagnosis after ECHO reached 90%. Statistically, a non-significant difference was found between the 2 groups.
CONCLUSION: Careful clinical examination is mandatory in the initial evaluation of children with heart murmur. ECG and chest X-ray does not change the initial clinical diagnosis. After ECHO, the diagnosis changing was low (10%), as long as clinical mistakes are eliminated. The initial diagnosis of innocent murmur excludes the necessity of noninvasive tests with a small possibility of error. EKG, chest X-ray and ECHO should be reserved to cases with obvious or persistent suspicious heart disease after clinical examination.