ArticleLa Tunisie medicale
The yield of 24-hour ambulatory electrocardiography in the assessment of symptomatic school-age children.
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Abstract
introductionLightheadedness, syncope, dyspnea, chest pain, palpitation, loss of consciousness (LOC) or malaise are a frequent reason for consultation in school-age children (SAC). The yield of holter monitoring (HM) in the investigation of these symptoms in SAC is still controversial given the scarce studies.
aimTo determine the prevalence of baseline ECG abnormalities and those detected in HM in SAC, and to assess the predictive factors of abnormal HM test.
methodsWe conducted a retrospective descriptive study in which we had included all the consecutive SAC (6 to 12 years) presenting: syncope or lightheadedness or palpitation, dyspnea, or chest pain, malaise, LOC and referred to our department for HM.
resultsWe included 366 children. Mean age was 9.7 ± 1.88 years. The major symptoms experienced by the patients were: palpitation (50.7%), chest pain (16.9%), lightheadedness (11.9%), syncope (6.9%), LOC (5.3%), ECG was abnormal in 8.7%. The two most common baseline ECG abnormalities were premature ventricular contractions (PVCs) (1.8%) and right bundle branch block (1.6%). HM was positive in 101 (26.6%) patients. The most common abnormalities in HM were vagal hypertonia in 61 patients (16.1%), PVCs in 29 patients (7.7%), Malignant abnormalities were encountered in 16 patients (13.9%) whereas benign abnormalities in 99 patients (86.1%). In the multivariate analysis: Age≥10 years, mean heart rate <94 beats per minute, the presence of syncope, LOC, malaise and the presence of PVCs in baseline ECG were identified as independent risk factors of abnormal holter.
conclusionHM has an important diagnostic value in symptomatic SAC. It allows the identification of benign as well as malignant arrhythmias, which require urgent management.
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38445405PMC12377341W4394740782What OpenQuestion holds
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