Table of Contents

HK J Paediatr (New Series)
Vol 12. No. 3, 2007

HK J Paediatr (New Series) 2007;12:181-187

Original Article

A Retrospective Review of First Febrile Convulsion and Its Risk Factors for Recurrence in Hong Kong Children

KK Chan, SWW Cherk, CH Chan, DKK Ng, JCS Ho


Febrile convulsion is the most common convulsive disorder in childhood. Many parents who had witnessed a child's first convulsion think that their child is going to die or is already dead. Intense parental anxiety and fear for recurrence is observed. Risk factors for recurrence of febrile convulsion is available in overseas studies but only limited local data is available. Objective: To determine the risk factors for recurrence of patients admitted for first febrile convulsion. Methods: The records of patients, admitted to Kwong Wah Hospital for first febrile convulsion from January 2002 to December 2004 were reviewed. Demographic data, characters of seizure, family history of febrile convulsion and epilepsy in first-degree relatives, investigations done and aetiology identified were noted. Outcome was measured in January 2007 with follow-up phone call made to re-confirm family history of seizure disorders and outcome of the patient. Results: One hundred and eighty-one patients were admitted for first febrile convulsion in the period studied. Out of 181 patients, 159 were valid for analysis, 22 failed contact. The most common seizure type was generalised tonic-clonic seizure, occurred in 82 patients (51.6%). Complex febrile seizure was observed in 37 patients (23.3%). Positive family history of febrile convulsion and epilepsy in first-degree relatives was noted in 29 patients (18.2%) and 4 patients (2.5%) respectively. Recurrence of febrile convulsion occurred in 36 patients (22.6%) and development of epilepsy in 2 patients (1.3%). Multivariate logistic regression showed young age was the only significant risk factor for the recurrence of febrile convulsion (p<0.001). Conclusion: For first febrile convulsion, 22.6% recurred and young age was the only significant risk factor for recurrence.

Keyword : Age; Family history of epilepsy; Family history of febrile convulsion; Febrile convulsion; Recurrence

Abstract in Chinese


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