Conrad IZQUIERDO

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Socioeconomic factors and the patterns of use of health services associated with influenza and pneumococcal vaccination were studied in people aged ⩾65 years admitted to three general hospitals in Spain between 2005 and 2007. The following data were collected: age, sex, risk of pneumonia, educational level, social class, type of household, physician visits,(More)
The objective of our study was to evaluate the effectiveness of the 23-valent pneumococcal polysaccharide vaccine (PPV) in preventing hospital admission for community-acquired pneumonia (CAP) in people ≥65 yrs of age. We conducted a matched case-control study in patients with CAP admitted to five Spanish hospitals. Cases were persons aged ≥65 yrs admitted(More)
The number of elderly patients in the community with immunosuppressive conditions has increased progressively over recent decades. We sought to determine the incidence, causative organisms and outcome of community-acquired pneumonia (CAP) occurring in immunocompromised older patients. We prospectively compared cases of CAP in immunocompromised and(More)
The aim of this study was to determine the prevalence of healthy Neisseria meningitidis pharyngeal carriers in a representative sample of the Catalonian school population, as well as its associated factors. The sample was divided into age groups: < or = 5, 6-7 and 13-14 years old. Parents were given a questionnaire to collect information on sociodemographic(More)
BACKGROUND The aim of the study was to describe the etiology of enteropathogenic agents over a four-year period (1992-1995) in a University Hospital in Barcelona. METHODS We studied 12,793 stool samples, 4519 were obtained from patients under 15 years and 8274 were obtained from patients over 14 years. The specimens were examined for bacteriological,(More)
BACKGROUND The aim of the study was to evaluate the chromogenic agar plate CPS ID2 (bioMérieux) and determine its cost-benefit ratio. METHODS A total of 2,193 urinary sediments were processed. The urine culture was carried out in CPS ID2 agar and in cystine-lactose electrolyte deficient (CLED) agar, when needed. Identification of the microorganisms was(More)
A 32-year-old man was admitted with traumatic asphyxia, with aspiration to the bronchi after being buried under sand. The condition progressed to respiratory distress syndrome and systemic inflammatory response. Because ventilatory and hemodynamic deterioration was rapid and severe, in spite of mechanical ventilation and vasoactive drugs, we instated early(More)
Human communication is a highly complex phenomenon that can be approached from numerous theoretical perspectives of varying nature. It is a good example of how traditional metatheoretical, epistemological and methodological controversies can be channeled through a body of knowledge whose aim is the rational and systematic search for different approaches,(More)