Herpes Zoster with Aseptic Meningitis in Immunocompetent Children: A Case Series

Primary clinical features of rash and neurological complications due to varicella zoster virus (VZV) reactivation are rare in a healthy population, especially in immunocompetent children. Early diagnosis and prompt treatment are delayed often due to their rarity. We present four immunocompetent children with VZV reactivation resulting in aseptic meningitis and herpes zoster affecting multiple cranial and spinal nerves. We reviewed the clinical manifestations, laboratory findings, treatment options and outcome of aseptic meningitis associated VZV reactivation. All patients presented with the typical skin lesion of VZV reactivation and definitive laboratory findings of central nervous system infection, without systemic inflammation. Initial manifestations of VZV reactivation included Ramsay Hunt syndrome, herpes zoster ophthalmicus, and herpes zoster affecting the left thoracic dermatomes 4–5. Intravenous acyclovir was administered and all patients recovered fully without any significant sequelae. VZV reactivation can lead to various neurological complications in immunocompetent children. Early recognition and treatment with acyclovir are important for improving the outcome of neurologic complications of VZV reactivation.

Seizure Aggravation Following Adjunctive Levetiracetam Therapy in Children with Epilepsy: a Single Tertiary Center Experience

PURPOSE: The aim of this study is to evaluate the prevalence and risk factors of seizure aggravation of adjunctive levetiracetam therapy in children with epilepsy. METHODS: We retrospectively identified 125 children (0.3–18 years) with epilepsy who were newly treated with adjunctive levetiracetam therapy from November 2008 to July 2014 in Pusan National University Hospital, and 44 patients were excluded according to the exclusion criteria. Aggravation was diagnosed if the seizure frequency increased by more than 50% of baseline or there were new types of seizures after 1 month of adjunctive levetiracetam therapy. RESULTS: Eighty-one patients (male:female, 44:37) were enrolled, including 27 (33.5%) with generalized seizures and 54 (66.7%) with focal seizures. Twelve patients (14.8%) exhibited seizure aggravation and 69 patients (85.2%) had improvement or no change after 1 month of levetiracetam therapy. Eleven patients (91.7%) in seizure aggravation group and 16 patients (23.2%) in non-seizure aggravation group had generalized seizures, with aggravation significantly more frequent in patients with generalized seizures (P < 0.001). Other factors such as age at diagnosis, age at adding levetiracetam, sex, baseline seizure frequency, etiology, electroencephalography and magnetic resonance imaging abnormalities, and concomitant drug use were not identified as risk factors. CONCLUSION: Although levetiracetam is an effective antiepileptic drug in children with epilepsy, adjunctive levetiracetam therapy was associated with worsening of seizures in 14.8 % of included patients, especially those with generalized seizures. Careful monitoring for increased seizure frequency or the onset of a new type of seizures is advised for patients prescribed levetiracetam add-on treatment.

Lung Abscess and Bacteremia Caused by Neisseria flavescens and Streptococcus sanguis in Patient with Idiopathic Hypereosinophilic Syndrome / 대한임상미생물학회지

Neisseria flavescens has been rarely reported as a pathogen in the literature. We experienced a case of N. flavescens bacteremia and lung abscess co-infected with Streptococcus sanguis in patient with idiopathic hypereosinophilic syndrome. A 15-year-old boy was diagnosed with idiopathic hypereosinophilic syndrome complicated with pulmonary thromboembolism. He was given systemic steroids and thrombolytics. After 8 weeks of therapy, a lung abscess appeared on the plain chest radiograph. We treated him with empirical antibiotics and carried out surgical drainage. Two types of microorganisms were cultured from both blood and pus samples, obtained in the first day of hospitalization. Pus was aspirated from the lung abscess with an aseptic technique. Neisseria species and S. sanguis were identified using traditional methods. To confirm the identity of the Neisseria species, we conducted further testing using 16S ribosomal ribonucleic acid sequencing whereupon N. flavescens was identified. This is the first case report of pulmonary infection caused by N. flavescens. We suggest that N. flavescens may act as a pathogen.

The Clinical Significance of a History of Independent Walking in Children with Epilepsy

PURPOSE: The developmental history is an important element in the evaluation of children with epilepsy. However, obtaining accurate information from history is often very difficult especially in older children because of their parents' incomplete recollection. This study was aimed to investigate if the timing of independent walking has a valuable clinical significance in children with epilepsy. METHODS: We classified 262 patients with epilepsy into normal and delayed groups from a history of the timing of independent walking at 18 months as a cutoff point. We compared their clinical and laboratory characteristics between two groups. RESULTS: Out of 262 patients, twenty one (8%) were delayed. There was no difference in seizure types between two groups. The Age of seizure onset and diagnosis of epilepsy was earlier in delayed group (5.6:2.2 years, P<0.001; 7.0:3.2 years, P<0.001). The proportion of Cesarean section and preterm delivery were also higher in delayed group (25%:52%, P= 0.010; 6%:29%, P<0.001). Abnormal MRI findings were more frequent in the delayed group (19%:86%, P<0.001). EEG at diagnosis showed no difference in epileptiform discharges, but background abnormality was more common in the delayed group (15%:81%, P<0.001). EEG at 1 year after the diagnosis showed both epileptiform discharges and background abnormality were more frequent in the delayed group (60%:90%, P=0.004; 14%:67%, P<0.001). CONCLUSION: Based on the result of this study, we strongly recommended that we should take a history of the timing of independent walking in children and adolescents with epilepsy.