[HIV-1 genetic variability in non Spaniard infected children]. / Identificación de las diferentes variantes geneticas del VIH-1 en niños de procedencia no española.

INTRODUCTION: The prevalence of HIV-1 non-B subtypes (HIV-NBS) is increasing in Europe, because of emigration from countries where genetic variants are endemic. Although HIV-NBS could have a different clinical evolution and could respond differently to antiretrovirals (AR) than B-subtypes, these variant's response remain undocumented. AIMS: To identify HIV-1 genetic variants and to determine clinical evolution in a non-Spaniard children infected with HIV-1. PATIENTS AND METHOD: Children with HIV-1 infection from endemic countries were tested for HIV-1 subtypes between 1-1-1988 and 31-12-2006. Twelve children less than 18 years old and born abroad were selected. RESULTS: HIV-NBS were isolated in 5 children (42%): CRF2_AG recombinant in 3 cases (Equatorial Guinea), Subtype C in one (Equatorial Guinea) and CRF13_cpx in last one (India). DISCUSSION: Because of the increasing frequency of patients with HIV-NBS and their unknown long-term evolution, all children from endemic countries should be tested for HIV subtypes. We believe new studies with more patients during longer times could reveal differences in these patient's clinical, immunological and virological evolution.

[SEIP-AEPAP-SEPEAP consensus document on the aetiology, diagnosis and treatment of bacterial skin infections in out-patients]. / Documento de consenso SEIP-AEPAP-SEPEAP sobre la etiología, el diagnóstico y el tratamiento de las infecciones cutáneas bacterianas de manejo ambulatorio.

Skin infections are a common cause for dermatological consultations in the paediatric setting. A review is presented of the clinical manifestations, diagnosis and treatment of the main bacterial skin infections, as well as the diagnosis and treatment of super-infected puncture and bite wounds. The most prevalent bacteria in skin infections are Staphylococcus aureus and Streptococcus pyogenes. Treatment is usually empirical, since microbiological studies are only recommended under certain circumstances or lack of improvement with common therapies. Superficial skin infections can be treated with local antiseptics or antibiotics (mupirocin or fusidic acid). Systemic treatment is usually reserved for patients with extensive or severe disease or with other risk factors. Systemic treatment depends on the suspected infecting bacteria, with penicillin, amoxicillin, amoxicillin-clavulanic acid and first or second generation cephalosporin being the most frequently used drugs. Due to the low incidence of community-acquired methicillin-resistant infection by S. aureus in Spain, the use of clindamycin or co-trimoxazole is only recommended after severe disease, relapses or a clear epidemiological background.

[SEIP-SERPE-SEOP Consensus document on the treatment of uncomplicated acute osteomyelitis and septic arthritis]. / Documento de consenso SEIP-SERPE-SEOP sobre el tratamiento de la osteomielitis aguda y artritis séptica no complicadas.

This is a Consensus Document of the Spanish Society of Paediatric Infectious Diseases (Sociedad Española de Infectología Pediatrica), Spanish Society of Paediatric Rheumatology (Sociedad Española de Reumatología Pediátrica) and the Spanish Society of Paediatric Orthopaedics (Sociedad Española de Ortopedia Pediátrica), on the treatment of uncomplicated acute osteomyelitis and septic arthritis. A review is presented on the medical and surgical treatment of acute osteoarticular infection, defined as a process with less than 14 days of symptomatology, uncomplicated and community-acquired. The different possible options are evaluated based on the best available scientific knowledge, and a number of evidence-based recommendations for clinical practice are provided.

[SEIP-SERPE-SEOP Consensus Document on aetiopathogenesis and diagnosis of uncomplicated acute osteomyelitis and septic arthritis]. / Documento de Consenso SEIP-SERPE-SEOP sobre etiopatogenia y diagnóstico de la osteomielitis aguda y artritis séptica no complicadas.

This is a Consensus Document of the Sociedad Española de Infectología Pediátrica, Sociedad Española de Reumatología Pediátrica and Sociedad Española de Ortopedia Pediátrica on the aetiology and diagnosis of uncomplicated acute osteomyelitis and septic arthritis. A review is presented of the aetiopathogenesis and pathophysiology of acute osteoarticular infection defined as a process with less than 14 days of symptomatology, uncomplicated, and community-acquired. The diagnostic approach to these conditions is summarised based on the best available scientific knowledge. Based on this evidence, a number of recommendations for clinical practice are provided.

Viral phenotype, antiretroviral resistance and clinical evolution in human immunodeficiency virus-infected children.

BACKGROUND: The syncytium-inducing (SI) viral phenotype and the emergence of viral strains resistant to zidovudine have been described in persons infected with HIV, and in some cases they have been associated with poor prognosis. METHODS: HIV isolates obtained from 37 HIV-infected children were analyzed to determine whether the SI viral phenotype and the mutation on the 215 position of the reverse transcriptase (M215) could be used as markers of disease progression. We performed peripheral blood coculture mononuclear cells, and we analyzed the induction of syncytia using the MT-2 cell line. The emergence of mutations on the 215 position was determined by PCR. RESULTS: We found a statistically significant association (P < 0.05) between SI viral phenotype and (1) recurrent serious bacterial infections, (2) absolute CD4+ cell counts <2 SD, (3) progression to AIDS and (4) death. Sixty percent of the children treated with zidovudine developed 215 mutant viral strains without statistically significant association with clinical or immunologic findings. The SI viral phenotype was statistically associated with the presence of the 215 mutation (P < 0.05). CONCLUSIONS: SI viral phenotype is a marker associated with a poor clinical and immunologic progression of the disease and it may facilitate the emergence of mutant strains in children treated with zidovudine.

Sepsis in children with human immunodeficiency virus infection. The Madrid HIV Pediatric Infection Collaborative Study Group.

The aims of this retrospective study were to review the frequency and patterns of bacterial sepsis in children infected with human immunodeficiency virus. The charts of 233 human immunodeficiency virus-infected children cared for during a 10-year period in 4 tertiary hospitals in Madrid were reviewed. There were 43 episodes of sepsis in 31 (13%) children. Twenty of them had acquired immunodeficiency syndrome, 10 were class PA2 and 1 was class P1B. The most common organisms recovered were: nontyphoidal Salmonella, 10 cases (23%); Streptococcus pneumoniae, 9 cases (21%); Staphylococcus epidermidis, 6 cases (14%); Escherichia coli, 5 cases (12%); Enterococcus faecalis, 4 cases (9%); Campylobacter jejuni, 2 cases (5%). In 28 episodes of bacteremia there were other sites of associated infection: pneumonia, 6 cases; urinary tract infection (UTI), 5 cases; gastrointestinal disease, 4 cases; catheter-related bacteremia, 12 cases. Eight patients had more than 1 episode of bacteremia. The rate of complications was high: 6 children had septic shock; and 2 of them developed disseminated intravascular coagulation. There was 1 death directly related to sepsis.

[Recommendations for the management of influenza in pediatrics (2009-2010).] / Recomendaciones sobre el tratamiento de la gripe en Pediatría (2009-2010).

Specific action plans from various institutions, governments and scientific societies have been identified and implemented to combat the A H1N1 2009 influenza virus pandemic. This document sets out the recommendations of the Spanish Association of Pediatrics for the management of influenza in children for influenza season 2009-2010. The risk factors for influenza A H1N1 2009 in pediatric patients, the clinical course, severity and complications are similar to seasonal influenza. In most cases, the diagnosis of influenza will be based on clinical suspicion, without viral subtype differentiation. In a patient with influenza virus infection, the criteria for referral and hospital admission will be based broadly on the signs of clinical severity or complications, regardless of the causative virus. Children with influenza but with no signs of clinical severity or complications do not require antiviral treatment. Physical measures of hygiene and isolation are essential to reduce the transmissibility of the disease. The influenza vaccines in infancy, for both seasonal influenza and for influenza A H1N1 2009, should be directed primarily at patients with risk factors.

Internationally adopted children: what vaccines should they receive?

It is of paramount importance to know the vaccination status in internationally adopted children, so that they can be correctly immunized. This study ascertains the seroprotection rate for vaccine-preventable diseases and the validity of the immunization cards in 637 adopted children. The absence of the immunization card (13% of children) correlated with a poor global vaccine protection. Children with immunization records (87%) had a better global seroprotection but the information obtained from the card did not accurately predict seroprotection for each particular antigen. The best variable to predict the status of seroprotection was the country of origin. The highest rate of protection was found in children from Eastern Europe and, in descending order, India, Latin America, China and Africa. General recommendations for immunization of internationally adopted children are difficult to establish. Actions for vaccination have to be mainly implemented on the basis of the existence of the immunization card and of the country of origin.

Recomendaciones sobre el tratamiento de la gripe en Pediatría (2009–2010) / Recommendations for the management of influenza in pediatrics (2009–2010)

Ante la actual situación de pandemia de gripe causada por el virus A H1N1 2009, se han definido planes de actuación específicos desde distintas instituciones, administraciones y sociedades científicas. En este documento se definen las recomendaciones de la Asociación Española de Pediatría para el tratamiento de la gripe en la infancia para la estación gripal 2009–2010. Para la gripe A H1N1 2009, los factores de riesgo en edad pediátrica, el curso clínico, la gravedad y las complicaciones son similares a los de la gripe estacional. Además, el diagnóstico de gripe será, en la gran mayoría de los casos, por sospecha clínica sin diferenciación del subtipo viral. Ante un paciente con gripe, los criterios de derivación e ingreso hospitalario se basarán globalmente en la presencia de signos de gravedad clínica o de complicaciones, independientemente del virus causante. Los niños con gripe sin signos de gravedad ni complicaciones no requieren tratamiento con antivirales. Las medidas físicas de higiene y el aislamiento son fundamentales para reducir la transmisibilidad de la enfermedad. La vacunación antigripal en la infancia, tanto para gripe estacional como para gripe A H1N1 2009, debe dirigirse de forma prioritaria a los pacientes con factores de riesgo (AU)

Specific action plans from various institutions, governments and scientific societies have been identified and implemented to combat the A H1N1 2009 influenza virus pandemic. This document sets out the recommendations of the Spanish Association of Pediatrics for the management of influenza in children for influenza season 2009–2010. The risk factors for influenza A H1N1 2009 in pediatric patients, the clinical course, severity and complications are similar to seasonal influenza. In most cases, the diagnosis of influenza will be based on clinical suspicion, without viral subtype differentiation. In a patient with influenza virus infection, the criteria for referral and hospital admission will be based broadly on the signs of clinical severity or complications, regardless of the causative virus. Children with influenza but with no signs of clinical severity or complications do not require antiviral treatment. Physical measures of hygiene and isolation are essential to reduce the transmissibility of the disease. The influenza vaccines in infancy, for both seasonal influenza and for influenza A H1N1 2009, should be directed primarily at patients with risk factors (AU)

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