Andreas Constantopoulos

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BACKGROUND Community-acquired pneumonia (CAP) in young children is most commonly associated with viral infections; however, the role of viruses in CAP of school-age children is still inconclusive. METHODS Seventy-five school-age children hospitalized with CAP were prospectively evaluated for the presence of viral and bacterial pathogens. Nasopharyngeal(More)
White-coat hypertension (WCH) and masked hypertension have been associated with increased cardiovascular risk in adults. In the current study, we investigated: (a) the prevalence of WCH and masked hypertension in pediatric patients and (b) the association of these conditions with target organ damage. A total of 85 children underwent office blood pressure(More)
The study objectives were to evaluate the prevalence, predictors, and implications of pornographic Internet site (PIS) use among Greek adolescents. A cross-sectional study was conducted among 529 randomly selected Greek high school students. The prevalence of overall PIS use was 19.47% (n = 96). Among PIS users, 55 (57.29%) reported infrequent and 41(More)
BACKGROUND Human Metapneumovirus (hMPV), has been recently isolated from children with acute respiratory tract infections (RTIs), including bronchiolitis, and classified in the Pneumovirinae subfamily within the Paramyxoviridae family. OBJECTIVES Since most bronchiolitis studies fail to detect any viral pathogen in part of the samples, we sought for the(More)
A prospective epidemiologic surveillance of hospitalizations associated with influenza was conducted in order to calculate population-based hospitalization rates. Eligible children were 6 months to 13 years of age and were admitted to one of the two large children's hospitals in the Athens area during two influenza seasons. Nasopharyngeal aspirates were(More)
Data on local epidemiology is necessary when deciding on the introduction of a vaccine. Parents of children attending 1st and 6th grades completed a questionnaire on demographical data and varicella history. Analyzing 70,226 questionnaires, varicella was reported in 63.6% and 78.6% of 1st and 6th grade children, respectively (mean age 4.75 years),(More)
OBJECTIVE The safety and immunogenicity of the 10-valent pneumococcal nontypeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV) in preterm infants were assessed in this study. METHODS Three parallel groups of infants received 3-dose primary immunization with PHiD-CV at 2, 4, and 6 months of age and a booster dose at 16 to 18 months: preterm(More)
BACKGROUND This study is an initial effort to examine the dynamics of efficiency and productivity in Greek public hospitals during the first phase of the crisis 2009-2012. Data were collected by the Ministry of Health after several quality controls ensuring comparability and validity of hospital inputs and outputs. Productivity is estimated using the(More)