Prevalence of clliac disease in children with epilesyy / Prevalencia de doenca celiaca em criancas com epilepsia

Context Neurological symptoms have been well-documented in patients with celiac disease, nevertheless, the presumption of a greater prevalence of epilepsy in celiac patients remains controversial. Objectives To determine the frequency of celiac disease in children and adolescents with idiopathic or cryptogenic epilepsy. Methods A cross-sectional study. One hundred pediatric patients with non-symptomatic epilepsy were followed-up at two public pediatric neurology clinics in Salvador, Bahia, Brazil. Screening for celiac disease was performed by serial measurements of IgA anti-transglutaminase and IgA anti-endomysium antibodies, followed by bowel biopsy in positive cases. HLA DQ02 and DQ08 were investigated in seropositive individuals, assessing the type of seizures, the number of antiepileptic drugs used and the presence gastrointestinal symptoms. Results Three (3.0%) patients tested anti-tTG-positive, two with normal duodenal mucosa (Marsh 0) and one with intraepithelial infiltrate (Marsh I). No villous atrophy of the duodenal mucosa (Marsh III) celiac disease was found. Two patients tested positive for HLA DQ02; none were DQ08 positive. Conclusion The present study failed to prove the association between celiac disease and epilepsy. .

Contexto Os sintomas neurológicos têm sido bem documentados em pacientes com doença celíaca, no entanto, a presunção de uma maior prevalência de epilepsia em pacientes celíacos permanece controverso. Objetivos Determinar a frequência de Doença Celíaca em crianças e adolescentes portadores de epilepsia idiopática ou criptogênica. Métodos Estudo transversal. Cem pacientes pediátricos com epilepsia não-sintomática foram acompanhados em dois ambulatórios públicos de neurologia pediátrica em Salvador, Bahia, Brasil. Triagem para doença celíaca foi feita por dosagem sérica de IgA anti-transglutaminase e anti-endomísio IgA, seguido por biópsia de intestino nos casos positivos. HLA DQ02 e DQ08 foram investigadas em indivíduos soropositivos, avaliando o tipo de crise epiléptica, o número de medicamentos anti-epilépticos utilizados e a presença de sintomas gastrointestinais. Resultados Três (3,0%) pacientes apresentaram anti-transglutaminase positivo, dois com mucosa normal duodenal (Marsh 0) e um com infiltrado intraepitelial (Marsh I). Não foi encontrada atrofia das vilosidades da mucosa do duodeno (Marsh III). Dois deles foram positivos para o HLA DQ02; nenhum foi DQ08 positivo. Conclusão O presente estudo não conseguiu provar a associação entre doença celíaca e epilepsia. .

Conhecimento dos obstetras sobre a transmissão vertical da hepatite B / Knowledge of obstetricians about the vertical transmission of hepatitis B virus

CONTEXTO: A transmissão vertical é responsável por 35 por cento a 40 por cento dos novos casos de hepatite B no mundo e a infecção precoce pelo vírus da hepatite B aumenta o risco de evolução para a hepatite crônica, cirrose e carcinoma hepatocelular. OBJETIVO: Determinar o conhecimento dos obstetras sobre as práticas para o diagnóstico da infecção pelo vírus da hepatite B em gestantes e as condutas para a prevenção desta infecção em recém-nascidos de mães infectadas. MÉTODOS: Foram sorteados aleatoriamente profissionais de saúde cadastrados na Sociedade de Obstetrícia e Ginecologia da Bahia, que foram convidados a responder um questionário anônimo com informações sobre sua formação acadêmica, o local de trabalho, o contato com estudantes e as suas práticas profissionais em relação ao vírus da hepatite B. Adotou-se como critério de exclusão o não exercício atual da obstetrícia e a não residência na Bahia. A análise dos dados foi feita através do programa estatístico Epiinfo e para análise das correlações foi adotado intervalo de confiança de 95 por cento. RESULTADOS: Foram entrevistados 301 obstetras, dos quais 90,3 por cento reconheciam a transmissibilidade vertical do vírus da hepatite B e 81,7 por cento solicitavam algum exame para detecção de hepatite B durante o pré-natal de suas pacientes. Sessenta e seis por cento dos médicos entrevistados referiram o AgHBs como o marcador sorológico mais adequado para avaliar a presença de infecção pelo VHB. Apenas 13,0 por cento destes profissionais indicavam de modo sistemático a vacina contra a hepatite B e a administração de imunoglobulina nas primeiras 12 horas de vida do recém-nascido de mães infectadas. O número de respostas corretas quanto à transmissibilidade vertical do VHB, ao marcador sorológico mais adequado e à conduta para o recém-nascido de mãe infectada foi maior entre os obstetras que possuíam o Título de Especialista em Ginecologia e Obstetrícia que entre os demais profissionais...

CONTEXT: Vertical transmission is responsible for 35 percent-40 percent of the new cases of hepatitis B worldwide and it is associated with an increased risk of chronic hepatitis B, cirrhosis and hepatocellular carcinoma. OBJECTIVE: To describe obstetricians' knowledge on the recommended measures to the diagnosis of the infection by the hepatitis virus B in pregnant women and to prevent the transmission of this infection to the babies of infected mothers. METHODS: Obstetricians registered at the "Sociedade de Ginecologia e Obstetrícia da Bahia", Salvador, BA, Brazil were randomly selected and invited to answer a questionnaire with questions regarding their academic formation, workplace, contact with medical students and their practices about the hepatitis virus B. Individuals who were not currently working as obstetricians or were not living in the state of Bahia were excluded from the study. Data were analyzed with the EpiInfo software with a 95 percent confidence interval. RESULTS: Three hundred and one obstetricians answered the questionnaire: 90.3 percent of them recognized that the hepatitis virus B could be transmitted vertically and 81.7 percent routinely screened their patients for hepatitis virus B infection during prenatal consultations; 66.0 percent considered HBsAg the best serological marker to be employed on the screening. Only 13.0 percent systematically recommended the vaccination against hepatitis virus B and the administration of immunoglobulin to the newborns of infected mothers in the first 12 hours of life. The frequency of correct answers about the vertical transmission of hepatitis virus B, the best serological marker for screening and the management of infected mothers and their newborns was higher among professionals who had the "Título de Especialista em Ginecologia e Obstetrícia (TEGO)" than among the remaining ones (P = 0.018, P = 0.001 and P = 0,002, respectively). CONCLUSION: We observed that the knowledge...

Bacterial contamination in milk kitchens in pediatric hospitals in Salvador, Brazil

Milk may represent an important source of infectious agents to hospitalized pediatric patients. To describe the bacterial microflora isolated from the hands, stools, pharynx of all workers at milk kitchens in pediatric hospitals in the city of Salvador, Brazil, as well as in the formulas prepared by them, we carried out this cross-sectional study with all 91 workers from the 20 milk kitchens of all the public and private hospitals in Salvador, Brazil. Hand and pharynx swabs and stool samples were collected from all workers, as well as samples of the milk and formulas delivered by the kitchens. All samples were cultured for the detection of pathogenic and non-pathogenic bacteria. Pathogenic bacteria were isolated from 20 (22.0 percent) and 8 (8.8 percent) cultures of the hands and pharynx of the workers, respectively. No pathogenic bacteria were isolated from stool samples. Pathogenic bacteria were isolated from 17 (18.7 percent) milk samples. The prevalence of pathogenic bacteria in hand swabs was significantly higher in workers from public (37.8 percent) than from private (6.5 percent) hospitals (prevalence ratio [PR]=5.8; p<0.01). Pathogenic bacteria were isolated from two (4.4 percent) workers from public hospitals and six (13.0 percent) workers from private hospitals (PR=0.38; p=0.27). Pathogenic bacteria were isolated from 11 (24.4 percent) milk samples from public hospitals and 6 (13.0 percent) from private hospitals (PR=1.9; p=0.16). A high prevalence of contamination was found, mainly on the hands of workers on units for manipulation of milk. Preventive efforts should be intensified and focus primarily on effective hand washing and continuous work supervision.

Incidence of diarrhea in children living in urban slums in Salvador, Brazil

Diarrhea remains a major health issue in developing countries, with high morbidity and mortality rates. Determining the incidence of acute diarrhea in children and its associated factors is crucial to the planning of preventive approaches. The objective of this study was to determine the incidence of diarrhea and to assess some relevant associated factors to it in children younger than 40 months living in two slums of Salvador, Brazil. This is the first prospective cohort, community-based study that was performed in two periurban slums of Salvador, Brazil. Eighty-four children younger than 40 months were randomly selected and visited every other day for one year. The chi-square test was used to evaluate the occurrence of diarrhea and its associated factors. During the surveillance period, 232 diarrhea episodes were identified, resulting in an incidence rate of 2.8 episodes/child/year. In average (mean value of 84 children),each child suffered 11.1 days of diarrhea per year, yielding an average duration of 3.9 days per episode. The highest incidence rates were found among children under one year old. Early weaning, male sex, malnutrition, having a mother younger than 25 years or who considered her child malnourished, missed immunizations and previous pneumonia were associated factors for suffering diarrheal episodes. The rates of incidence and duration of diarrhea that we found are in accordance to those reported by others. Additionally, our results reinforce the importance of environmental and health-related associated factors to the onset of diarrhea.

Incidence of diarrhea: poor parental recall ability

Several methodological issues may have an impact on the incidence rates of childhood acute diarrhea reported by community-based studies. This study was performed to assess the impact of parental recall ability and definition of diarrhea on the estimate of incidence of acute diarrhea. Eighty-four children younger than 40 months were randomly selected and visited every other day for four weeks and the occurrence of diarrhea was registered. On the last day of the study, another visit was performed and the informants were inquired about the occurrence of diarrhea during the previous four weeks. Data gathered during the four weeks were compared to those obtained on the last visit. Additionally, the informants' definition of diarrhea was investigated and compared to the one adopted by this study. During the observation period, 33 children suffered diarrhea, but only 10 (30.3 percent) informants reported the occurrence of diarrhea. Although 42.4 percent of those informants reported that their children had been ill over that period, they did not report diarrhea. Further, 60.6 percent children who had diarrhea suffered at least one episode in the two weeks prior to the visitation. The same definition of diarrhea used in this study was adopted by 52.1 percent of the informants inquired. Parental recall is an unreliable method to estimate the incidence of diarrhea and studies with a short interval between the visits should be necessary to correctly evaluate this important health problem. Moreover, assessing the informants' own definition of diarrhea is a significant contribution to the interpretation of the results.

Frequency of celiac disease and its serological markers in patients with autoimmune hepatitis

Transglutaminase (anti-tTG) and anti-endomysial (AEA) antibodies were reported to occur in patients with autoimmune hepatitis (AIH) as well as in subjects with advanced cirrhosis, but the prevalence of celiac disease (CD) in patients with AIH is either negligible or unknown. The frequency of IgA anti-tTG and IgA AEA was determined in 64 patients (54 females, mean age 19[5-67] years ) with AIH diagnosed according to international criteria. Patients with positive or intermediate results for those antibodies were submitted to duodenal biopsy and HLA-DQ2 or DQ8 typing. Anti-tTG and AEA were detected in 6 (9 por cento) and one patient (1.6 por cento) with AIH, respectively. Positive and borderline results for IgA anti-tTG were detected, respectively, in two (3 por cento) and four (6 por cento) patients. Only one patient with HLA-DQ2 and IgA anti-tTG and IgA AEA had CD on duodenal biopsy. Two patients with either positive or borderline results for IgA anti-tTG antibody and HLA-DQ2 had normal histology on duodenal biopsy. IgA anti-tTG antibody and/or AEA were observed in 9% of AIH patients, but CD was confirmed in only one of them. The occurrence of IgA anti-tTG antibody in the other patients could be ascribed to the presence of chronic liver disease or to latent or potential CD.

Alterações hepáticas na doença celíaca / Liver dysfunction in coeliac disease

O envolvimento do fígado tem sido freqüentemente descrito em pacientes celíacos. Condições como hipertransaminasemia, que retorna a valores normais após a dieta isenta de glúten, doenças hepáticas de origem auto-imune e outras doenças crônicas do fígado, sobretudo a hepatite crônica pelo vírus C, estão associadas com a doença celíaca. O objetivo deste artigo é discutir as relações recentemente evidenciadas na literatura entre essa enteropatia glúten-sensível e os tipos de alterações hepáticas.

Antibiotics for the empirical treatment of acute infectious diarrhea in children

While the routine use of antibiotics for infectious diarrhea in children must be avoided, because it brings little benefit in most cases and is associated with the risk of increasing antimicrobial resistance, selected cases may require antimicrobial therapy, and the choice of the antimicrobial agent often has to be made empirically. Physicians prescribing antimicrobials in such a setting have not only to be aware of the most likely pathogens, but also of their characteristic antimicrobial susceptibility pattern and the safety profile of the various drugs. We reviewed the literature on the use of ampicillin, beta-lactamase inhibitors, trimethoprim-sulfamethoxazole, chloramphenicol, tetracyclines, nalidixic acid, fluoroquinolones, third-generation cephalosporins, macrolides, metronidazole and malabsorbed agents in the setting of acute infectious diarrhea, and we evaluated the available information, seeking to apply it to empirical use, highlighting clinically-useful pharmacological information and patients' and pathogens' characteristics that must be taken into account for decisions about antimicrobial therapy.

Clinical and epidemiological aspects of children hospitalized with severe rotavirus-associated gastroenteritis in Salvador, BA, Brazil

Little is known about the epidemiology of severe rotavirus-associated gastroenteritis in Brazil. Given the morbidity associated with this condition and the importance of having detailed knowledge about the impact of rotavirus infection on the epidemiology of acute diarrhea in children, especially those with the most severe diarrheal conditions, we retrospectively reviewed the medical records of all pediatric patients admitted to a tertiary hospital in Salvador, Brazil, due to rotavirus-associated gastroenteritis during one year. It was observed that rotavirus was responsible for 15.6 percent of the hospitalizations caused by diarrhea and/or vomiting during the period of the study and that 87 of 218 (39.1 percent) patients seen at the emergency room with rotavirus-associated gastroenteritis needed to be hospitalized, comprising the population of our study. Most patients presented signs of dehydration, and 41 percent of them had metabolic acidosis. Most patients (79 percent) were between six months and four years of age and 72 percent of the cases occurred in June and July. Gastrointestinal symptoms were rarely present at the beginning of the clinical presentation, and they normally did not last for more than one week.

Epidemiological and microbiological aspects of acute bacterial diarrhea in children from Salvador, Bahia, Brazil

In the few cases of acute childhood diarrhea that require antimicrobial therapy, the correct choice of the drug depends on detailed previous knowledge of local strains. In order to establish such parameters in our city, we reviewed the results of all 260 positive stool cultures of children between 0 and 15 years of age during two years at a pediatric tertiary care facility in Salvador, Brazil. Bacterial strains had been presumptively identified by culturing in selective media and by biochemical testing, and their antimicrobial susceptibility patterns were automatically detected by the MicroScan Walkaway System. Data about patients' sex and age, monthly distribution of the cases, pathogens isolated and their antimicrobial resistance patterns were recorded. Males corresponded to 55.4 percent of our sample, and most of our patients (42.7 percent) were between one and four years of age. Shigella was the commonest pathogen, being found in 141 (54.3 percent) cultures, while Salmonella was found in 100 (38.4 percent) cultures and Enteropathogenic E. coli in 19 (7.3 percent). Salmonella was the main causal agent of diarrhea in children younger than five years old, whereas Shigella was the most frequent pathogen isolated from the stools of children between five and 15 years old. The peaks of incidence correspond to the periods of school vacations. Shigella specimens presented a very high resistance rate to trimethoprim-sulfamethoxazole (90.1 percent) and to ampicillin (22.0 percent), while Salmonella presented very low resistance rates to all drugs tested. These data are useful for practitioners and they reinforce the need for continuous microbiological surveillance.

Tricobezoar gástrico em criança: relato de caso / Gastric trichobezoar in a child: case report

Bezoar é uma massa compacta formada pelo acúmulo de materia exógeno não digerido em qualquer ponto do trato gastrointestinal, sendo o estômago o local mais comum. Muitos são os materiais que podem formar bezoares, destacando-se fibras vegetais (fitobezoar) e cabelos (tricobezoar). A sintomatologia é inespecífica e insidiosa, relacionando-se à localização. Frequentemente, o diagnóstico só é feito em face das manifestações de complicações, como obstrução intestinal e úlceras de pressão. Aqui é relatado o caso de uma menina de cinco anos que teve uma tumoração abdominal descorberta ocasionalmente numa consulta de rotina. A avaliação posterior demonstrou que se tratava de um grande tricobezoar gástrico. Uma vez que a endoscopia digestiva alta não conseguiu removê-lo, foi realizada a retirada cirúrgica do bezoar, com sucesso terapêutico. O diagnóstico diferencial de massas abddominais é muito amplo, sendo necessário alto grau de suspeição para que se avente precocemente a possibilidade de um bezoar. Hábitos alimentares bizarros e áreas de alopecia são sinais que devem chamar atenção, possibilitando o diagnóstico precoce e evitanto a ocorrência de graves complicações tardias como obstrução intestinal e hemorragia digestiva

Hiperfosfatasemia transitória benigna na infância / Benign transient hyperphosphatasemia in childhood

A hiperfosfatasemia transitória benigna na infância (HTBI) é uma condição pouco conhecida, que se traduz por um estado benigno e de bom prognóstico. A HTBI resulta do aumento súbito e transitório na concentração sérica da fosfatase alcalina (FA) em crianças sadias. A sua etiopatogenia é ainda incerta, porém a diminuição do clearance da enzima na circulação tem sido considerada o mecanismo mais provável. Para divulgar os conhecimentos atuais acerca do diagnóstico da HTBI, foram selecionados, no Medline, os artigos de periódicos médicos internacionais mais relevantes desde a descrição inicial desta condição, em 1954. Os critérios para diagnóstico de HTBI são: acometer crianças com idade inferior a cinco anos, ausência de sintomas ou presença de sintomas associados a doenças não relacionadas, sem evidência clínica ou laboratorial de doença óssea ou hepática. A elevação da fosfatase alcalina varia entre 3 e 50 vezes o limite superior do valor para a idade. A análise das isoenzimas mostra elevação das formas óssea e hepática. Os níveis séricos da fosfatase alcalina retornam ao normal em quatro meses. A elevação sérica da fosfatase alcalina foi relatada em patologias como hiperfosfatasemia familiar persistente assintomßtica e sintomática e hiperfosfatasemia persistente não-familiar. É indispensável que a HTBI seja considerada no diagnóstico diferencial de um aumento considerável dos níveis séricos de fosfatase alcalina em crianças, sem que seja detectada uma causa óbvia, o que evitará procedimentos desnecessários e dispendiosos durante a investigação diagnóstica.

Acute liver failure complicating viral hepatitis A

Hepatitis A is one of the most frequent infectious liver diseases affecting children worldwide. The disease is usually mild and self-limited, and complications are very rare. Nevertheless, hepatitis A can sometimes cause acute liver failure (ALF), a severe, life-threatening condition. Herein is reported a case of a child who presented ALF during a course of hepatitis A. The need for early identification of possible ALF cases among hepatitis A patients, and for effective ways of evaluating such a possibility, are discussed. We also emphasize the importance of prevention measures, especially vaccination.

Tolerância hereditária à frutose: causa de vômitos recorrentes na infância / Hereditary fructose intolerance: cause of recurrent vomiting in childhood

A intolerância hereditária à frutose é uma doença metabólica infrequente que apresenta sintomas gastrointestinais acompanhados de hipoglicemia, devendo ser considerada na investigação de vomitos recorrentes de etiologia desconhecida em crianças e adultos jovens. Entretanto, por ser pouco comum, essa possibilidade é frequentemente esquecida na elaboração do diagnostico diferencial, o que pode fazer casos passarem despercebidos, pretelando o tratamento o aumentando o custo do diagnóstico. Com o objetivo de resaltar a importância de considerar a intolerância à frutose na elaboração do diagnóstico diferencial, relata-se um caso dessa doença diagnosticado em uma menina de nove anos de idade que aprentava vômitos recorrentes desde o período do desmame. Após o diagnóstico de intolerância hereditária à frutose, surgiram queixas ósseas que possivelmente estão ligadas a essa doença. A fisiopatologia e as medidas diagnósticas e terapêuticas são discutidas