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English Abstract
Journal Article
[Syncope and pre-syncope in children and adolescents: a prospective study in a pediatric emergency care unit].
OBJECTIVES: To assess in a pediatric emergency care unit (PECU): 1. The frequency of syncope and pre-syncope, 2. The incidence of diagnoses, 3. The value of investigations and cardiology and neurology consultations.
METHODS: The data of PECU patients aged 2 years to 15 years and 3 months were prospectively collected over 1 year. Standard electrocardiogram and serum glucose were compulsory investigations. Schellong's orthostatic test was performed whenever possible.
RESULTS: One hundred and fity-nine children (mean age, 11+/-4 years) were included, accounting for 0.8% of the PECU's visits: 48% had syncope, 52% had pre-syncope. The most common cause was neurally mediated syncope - 98 patients (62%), with vasovagal syncope for 80 patients - followed by neurological causes: 29 patients (18%). Neither cardiac arrhythmia nor obstructive cardiomyopathy was diagnosed. There were discrepancies between cardiologists' and pediatricians' ECG interpretations in 9% of cases. Diagnoses differed between cardiologists and pediatricians in 54% of 41 consultations. Diagnoses differed between neurologists and pediatricians in 54% of 42 consultations. No investigation except Schellong's orthostatic test led to modification of a previous diagnosis.
CONCLUSION: This study emphasizes that the routine workup of pediatric syncope should focus on the patient's history and physical examination. Diagnostic testing should be minimal: ECG and Schellong's orthostatic test. The leading cause was neurocardiogenic syncope.
METHODS: The data of PECU patients aged 2 years to 15 years and 3 months were prospectively collected over 1 year. Standard electrocardiogram and serum glucose were compulsory investigations. Schellong's orthostatic test was performed whenever possible.
RESULTS: One hundred and fity-nine children (mean age, 11+/-4 years) were included, accounting for 0.8% of the PECU's visits: 48% had syncope, 52% had pre-syncope. The most common cause was neurally mediated syncope - 98 patients (62%), with vasovagal syncope for 80 patients - followed by neurological causes: 29 patients (18%). Neither cardiac arrhythmia nor obstructive cardiomyopathy was diagnosed. There were discrepancies between cardiologists' and pediatricians' ECG interpretations in 9% of cases. Diagnoses differed between cardiologists and pediatricians in 54% of 41 consultations. Diagnoses differed between neurologists and pediatricians in 54% of 42 consultations. No investigation except Schellong's orthostatic test led to modification of a previous diagnosis.
CONCLUSION: This study emphasizes that the routine workup of pediatric syncope should focus on the patient's history and physical examination. Diagnostic testing should be minimal: ECG and Schellong's orthostatic test. The leading cause was neurocardiogenic syncope.
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