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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In 276 children admitted to hospital with febrile convulsions a wide range of virus types was identified by means of nasopharyngeal secretions and cough/nasal swabs. The overall virus identification rate was 49%. Analysis of age, sex, family history, and past history showed no marked differences between the virus-positive and the virus-negative children. More than 80% had symptoms of respiratory infection in association with their convulsions, whether or not a virus was identified. Convulsions were not apparently more severe in the virus-positive group. Rapid virus diagnosis was found helpful in the management of children with febrile convulsions. The virus aetiology of many febrile convulsions has implications both for hospital cross-infection and for research into methods of prevention.
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PMID:Viruses and febrile convulsions. 83 64

We present the clinical features of Influenzavirus A2 infection in 75 young children admitted to a children's hospital. The most common presenting features were febrile convulsions. vomiting, coughing, diarrhea, and anorexia. At any age, the illness may present with respiratory tract symptoms and signs but in young babies gastroinestinal symptoms are often the presenting complaint. Children aged one to three years often present with febrile convulsions. Only in older children does the adult pattern begin to emerge. Evidence is put forward to suggest that encephalitis in association with influenza can be due to direct invasion of the central nervous system by the virus.
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PMID:Influenzavirus A2 infections presenting with febril convulsions and gastrointestinal symptoms in young children. 125 16

Of 50 patients in Thailand suspected clinically of having exanthem, subitum, 31 (62%) were serodiagnosed as HHV-6 infection. Sixteen strains of HHV-6 from 31 patients (52%) whose antibody titers had converted during convalescence were isolated during the acute phase. The disease occurred in infants from 3 months to 1 year of age and most frequently at age 4-6 months. Antibody only to HHV-6 converted in 23 of 50 patients (46%), and seroconversion to HHV-6 and dengue virus was observed in 7 patients (14%), and to HHV-6 and Coxsackie B virus in 1 case (2%). In the 23 patients in whom seroconversion only to HHV-6 was observed, all had fever and rash which appeared after subsidence of the fever. Lymphadenopathy and relative lymphocytosis were recognized, associated with diarrhea, vomiting, running nose, cough and hepatomegaly. Febrile convulsions were seen in some cases. All patients recovered completely within a week.
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PMID:Human herpesvirus 6 (HHV-6) infection and exanthem subitum in Thailand. 166 77

Adverse reactions to measles vaccine observed in children vaccinated between September, 1981 and May, 1983 in a Socio Sanitary Local Unit of Lombardy were studied. The adverse reactions more frequently reported by the parents were cough (18%), rash (12%), fever (9%), coryza (6%) and conjunctivitis (6%). Beginning September, 1982 a case-control study was started matching each vaccine with an unvaccinated child of the same age and sex. Statistically significant differences between vaccinated and controls have been observed only for rash and fever but not for the other symptoms. During the study febrile convulsions with spontaneous recovery and without sequelae have been observed in two vaccinated children.
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PMID:Adverse reactions to measles vaccine. 646 53

Cerebrospinal fluid (CSF) was analysed to determine a lumbar puncture (LP) yield for meningitis in 95 children who presented with their first febrile convulsions between July 1993 and June 1994. There were 52 males and 43 females aged six months to six years with a mean age of 21.9 +/- 13.0 months at presentation. 87(91.6%) had simple febrile convulsions (SFC) while the remaining 8(8.4%) had complex febrile convulsions (CFC). The majority of the subjects presented with a sudden onset of convulsions that were preceded by a day or two history of fever, coryza, cough and respiratory distress while others had their convulsions preceded by fever and passage of bloody stools. The LP yield for meningitis in this series was 6.3%. The CSF analysis revealed six cases of meningitis comprising an eight month old infant with Haemophilus influenzae type B (HIB) meningitis, two partially treated pyogenic meningitis and three aseptic meningitis. All of them had presented with febrile convulsions without signs of meningeal irritation. Excluding aseptic meningitis from this series, a 3.1% LP yield for pyogenic meningitis is significant enough to recommend continued performance of LP in children with first febrile convulsions, especially if under the age of eighteen months.
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PMID:Analysis of the results of routine lumbar puncture after a first febrile convulsion in Hofuf, Al-Hassa, Saudi Arabia. 749 8

We have analysed retrospectively the clinical features and electroencephalograms in 35 patients with complex partial seizures of temporal lobe origin who were seizure-free after epilepsy surgery. Two groups were differentiated for statistical analysis: 16 patients had hippocampal temporal lobe seizures (HTS) and 19 patients had extrahippocampal temporal lobe seizures (ETS) associated with a small tumour of the lateral or inferior temporal cortex. All patients in the HTS group had ictal onset verified with intracranial recordings (depth or subdural electrodes). In the ETS group, extrahippocampal onset was verified with intracranial recordings in eight patients and assumed, because of failure of a previous amygdalohippocampectomy, in one patient. Historical information, ictal semiology and ictal EEG of typical seizures were analysed in each patient. The occurrence of early and late oral automatisms and dystonic posturing of an upper extremity was analysed separately. A prior history of febrile convulsions was obtained in 13 HTS patients (81.3%) but in none with ETS (P < 0.0001, Fisher's exact test). An epigastric aura preceded seizures in five patients with HTS (31.3%) and none with ETS (P = 0.0135, Fisher's exact test), while an aura with experiential content was recalled by nine patients with ETS (47.4%) and none with HTS (P = 0.0015), Fisher's exact test). Early oral automatisms occurred in 11 patients with HTS (68.8%) and in two with ETS (10.5%) (P = 0.0005, Fisher's exact test). Early motor involvement of the contralateral upper extremity without oral automatisms occurred in three patients with HTS (18.8%) and in 10 with ETS (52.6%) (P = 0.0298, Fisher's exact test). Arrest reaction, vocalization, speech, facial grimace, postictal cough, late oral automatisms and late motor involvement of the contralateral arm and hand occurred with similar frequency in both groups. These observations show that the early clinical features of HTS and ETS are different.
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PMID:Ictal semiology in hippocampal versus extrahippocampal temporal lobe epilepsy. 905 6

Early-onset benign childhood occipital seizures (EBOS) described by Panayiotopoulos constitute the commoner after the rolandic phenotype of a childhood seizure susceptibility syndrome. EBOS are the clinical representative of occipital spikes. Their cardinal features are infrequent (often single) partial seizures manifested with deviation of the eyes and vomiting, frequently evolving to hemi- or generalized convulsions. Ictal behavioral changes, irritability, pallor, and rarely cyanosis, and eyes wide open are frequent. Retching, coughing, aphemia, oropharyngolaryngeal movements, and incontinence may occur. Consciousness is usually impaired or lost, either from the onset or the course of the fits, but in a few children, it may be preserved. Duration varies from a few minutes to hours (partial status epilepticus). Seizures are usually nocturnal, but semiology is similar in nocturnal or diurnal fits. Onset is between 1 and 12 years with a peak at 5 years. One third of children have a single seizure, the median total number of fits is two to three, and the prognosis is invariably excellent, with remission usually occurring within 1 year from onset. A few children may later develop rolandic or other benign partial seizures. The likelihood to have seizures after age 12 years is exceptional and rarer than that of febrile convulsions. EEG shows occipital paroxysms demonstrating fixation-off sensitivity, but random occipital spikes, occipital spikes in sleep EEG alone, or normal EEG may occur. Centrotemporal and other spike foci may appear in the same or more frequently in subsequent EEGs. The EEG does not reflect clinical course and severity.
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PMID:Early-onset benign childhood occipital seizure susceptibility syndrome: a syndrome to recognize. 1038 32

From October 1996 to March 1997, 31 children with febrile convulsions were admitted to the University Hospital, Kuala Lumpur. Human Herpesvirus 6 (HHV 6) was virologically and/or serologically confirmed to be the cause of the febrile episode in 5 of these children (16.1%). Age, sex and other associated clinical features (diarrhoea, cough, running nose and type of seizure) were not useful in differentiating cases of febrile convulsion due to HHV 6 from those of other aetiology. However, uvulo-palatoglossal junctional ulcers were noted in children in whom the cause of the seizure could be attributed to HHV 6 but not in the remaining cases in the study group. HHV 6 DNA was detected in peripheral blood mononuclear cells from all patients with febrile convulsions attributed to HHV6, and in patients shown serologically to have already been exposed to the virus by nested polymerase chain reaction amplification. Only genotype HHV 6B was detected from patients with seizure due to HHV 6 but both genotype 6A and 6B were detected in the remaining cases studied.
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PMID:The incidence of human herpesvirus 6 infection in children with febrile convulsion admitted to the University Hospital, Kuala Lumpur. 1096 10

This study aimed to demonstrate that afebrile seizures provoked by minor infections constitute a distinct epilepsy syndrome different from febrile seizures and unprovoked afebrile seizures. Of the children who were admitted to hospitals for their first seizure, 1170 had febrile seizures, 286 had provoked seizures, and 125 had unprovoked afebrile seizures. Children with provoked seizures were afebrile at the time of seizure but manifested definite symptoms or signs of minor infection, for example, cough, coryza, vomiting or diarrhea, normal metabolic and cerebrospinal fluid investigations, and no obvious cause for their seizures. The average follow-up was 6.1 years. The Kaplan-Meier estimate of risk at 5 years for subsequent unprovoked afebrile seizures after a first febrile seizure, provoked seizure, or unprovoked afebrile seizure was 1.6%, 5.7%, and 65.7% respectively. All differences were statistically significant (P < 0.0014). In conclusion, afebrile seizures provoked by minor illnesses constitute a distinct type of situation-related seizures, which have not been previously described. Children with provoked seizures have a much lower risk of subsequent unprovoked afebrile seizures than patients with the first afebrile seizure. Careful inquiry for symptoms of minor infections when children present with their first afebrile seizure will help determine the risk for subsequent seizures and the need for antiepileptic drugs.
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PMID:Afebrile seizures associated with minor infections: comparison with febrile seizures and unprovoked seizures. 1579 92

Clinically obvious reasons why children with neurological impairment (NMI) may be more severely affected in case of a viral respiratory tract infection include reduced vital capacity due to muscular weakness or spastic scoliosis, disturbed clearance of respiratory excretions (weak coughing and dysphagia), inability to comply actively with physiotherapeutic interventions, recurrent micro-aspirations (gastroesophageal reflux disease, vomiting related to coughing), a history of frequent exposure to antibiotics and health care institutions, colonization with resistant pathogens, impaired immunologic defence mechanisms due to severe malnutrition and cachexia, and early clinical deterioration in case of high fever with metabolic acidosis and hypercapnia, and maybe associated seizures or febrile convulsions.Data from the literature suggests that in all children with NMI, who have to be hospitalized with severe clinical deterioration due to an airway infection, at least one specimen of nasopharyngeal secretions should be sent as soon as possible to a virologic laboratory to detect viral pathogens. Children with severe NMI and those mechanically ventilated for other reasons being hospitalized during the RSV season must be strictly protected against nosocomial RSV infection by means of standard and droplet precautions. Finally, children with severe NMI and age below 24 months of life should receive passive immunization with palivizumab following international recommendations.
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PMID:Respiratory syncytial virus infection in children with neuromuscular impairment. 2226 88


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