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Clinical features of benign convulsions with mild gastroenteritis in Chinese infants
Yun-Feng Wang1, Zhong-Shu Zhou
1Department of Pediatrics, China-Japan Friendship Hospital, Beijing, China. wangyf252@126.com
Insights
Benign convulsions with mild gastroenteritis are common in Chinese infants, often linked to rotavirus infection. These seizures, typically brief and generalized, do not impact long-term development.
Area of Science:
- Pediatrics
- Neurology
- Infectious Diseases
Background:
- Benign infantile convulsions associated with mild gastroenteritis are a recognized clinical entity globally.
- This condition has not been widely acknowledged by pediatricians in China.
- Gastroenteritis-associated seizures in infants require further investigation in diverse populations.
Purpose of the Study:
- To investigate the characteristics and prevalence of benign convulsions in infants with mild gastroenteritis in China.
- To identify potential causative agents, such as rotavirus, associated with these seizures.
- To evaluate the response to anticonvulsant therapy in affected infants.
Main Methods:
- A retrospective study analyzed data from 48 pediatric patients experiencing convulsions between 2004 and 2009.
- Patient demographics, seizure characteristics, and gastroenteritis onset were recorded.
- Stool cultures were performed to detect viral pathogens, including rotavirus.
Main Results:
- The majority of patients (70.83%) were aged 13-24 months, with seizures peaking in autumn/winter and within the first 2-3 days of gastroenteritis.
- Most seizures were generalized tonic-clonic, brief, and clustered (72.92%), sometimes triggered by pain or crying.
- Rotavirus was detected in 53.85% of tested patients, and some infants experienced persistent seizures despite anticonvulsant treatment. All patients showed normal psychomotor development.
Conclusions:
- Benign convulsions associated with mild gastroenteritis are not rare in China.
- Rotavirus infection is identified as a significant cause of these seizures.
- The findings highlight the need for increased awareness and diagnostic focus on this condition among Chinese pediatricians.
Background:
Benign convulsions occur in infants during the course of mild gastroenteritis. It is now recognized as a distinct clinical entity in many countries. However, its occurrence in China has not yet been widely recognized by Chinese pediatricians.
Methods:
A retrospective study was conducted in 48 patients with convulsions between January 1, 2004 and December 31, 2009.
Results:
The age of onset of gastroenteritis was between 13 months and 24 months in 34 patients (70.83%). The episodes occurred at a distinct autumn/winter peak (75%). The seizures mostly occurred within the first 5 days of gastroenteritis, especially within the first 3 days, peaking on day 2 (39.58%). Thirty-five patients (72.92%) had clustered seizures in their episodes. Most episodes were symmetric, generalized tonic-clonic (83.33%) and brief (93.75%). The seizures were induced by pain and/or crying in 19 (39.58%) patients. Stool culture was positive for rotavirus in 21 (53.85%) of the 39 patients. Twenty patients (20/41, 48.78%) still had clustered seizures after the administration of a single anticonvulsant. The seizures persisted even after the administration of two combined anticonvulsants in 5 (26.32%) of 19 episodes. All patients exhibited normal psychomotor development.
Conclusions:
Benign convulsions with mild gastroenteritis are not rare in China, and rotavirus infection is a major cause.
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