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2009-12-08

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/49275

Pneumococcal penumonia presenting with septic shock: host-ant pathogen-related factors and outcomes

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http://dx.doi.org/10.1136/thx.2009.123612

Resum

BACKGROUND: Host- and pathogen-related factors associated with septic shock in pneumococcal pneumonia are not well defined. The aim of this study was to identify risk factors for septic shock and to ascertain patient outcomes. Serotypes, genotypes and antibiotic resistance of isolated strains were also analysed. METHODS: Observational analysis of a prospective cohort of non-severely immunosuppressed hospitalised adults with pneumococcal pneumonia. Septic shock was defined as a systolic blood pressure of <90 mm Hg and peripheral hypoperfusion with the need for vasopressors for >4 h after fluid replacement. RESULTS: 1041 patients with pneumococcal pneumonia diagnosed by Gram stain and culture of appropriate samples and/or urine antigen test were documented, of whom 114 (10.9%) had septic shock at admission. After adjustment, independent risk factors for shock were current tobacco smoking (OR, 2.11; 95% CI, 1.02 to 4.34; p = 0.044), chronic corticosteroid treatment (OR, 4.45; 95% CI, 1.75 to 11.32; p = 0.002) and serotype 3 (OR, 2.24; 95% CI, 1.12 to 4.475; p = 0.022). No significant differences were found in genotypes and rates of antibiotic resistance. Compared with the remaining patients, patients with septic shock required mechanical ventilation more frequently (37% vs 4%; p<0.001) and had longer length of stay (11 vs 8 days; p<0.001). The early (10% vs 1%; p<0.001) and overall case fatality rates (25% vs 5%; p<0.001) were higher in patients with shock. CONCLUSIONS: Septic shock is a frequent complication of pneumococcal pneumonia and causes high morbidity and mortality. Current tobacco smoking, chronic corticosteroid treatment and infection caused by serotype 3 are independent risk factors for this complication.

Matèries

Pneumònia, Xoc sèptic, Mortalitat, Corticosteroides, Hàbit de fumar

Matèries (anglès)

Pneumonia, Septic shock, Mortality, Adrenocortical hormones, Tobacco

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Articles publicats en revistes (Ciències Clíniques)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

Citació

GARCIA VIDAL, Carolina, ARDANUY TISAIRE, María carmen, TUBAU, Fe, VIASUS, Diego, DORCA I SARGATAL, Jordi, LIÑARES LOUZAO, Josefina, GUDIOL I MUNTÉ, Francesc, CARRATALÀ, Jordi. Pneumococcal penumonia presenting with septic shock: host-ant pathogen-related factors and outcomes. _Thorax_. 2009. Vol. 65, núm. 1, pàgs. 77-81. [consulta: 14 de gener de 2026]. ISSN: 0040-6376. [Disponible a: https://hdl.handle.net/2445/49275]

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