| Septic shock of early or late onset: does it matter? | |
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MedLine Citation:
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PMID: 15249459 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY OBJECTIVES: To determine possible differences in morbidity and mortality between early and late onset of septic shock in ICU patients. DESIGN: Systematic data collection. SETTING: Thirty-one-bed, mixed, medicosurgical ICU in a university hospital. PATIENTS: All 65 patients who acquired septic shock after admission to the ICU between February 1999 and April 2000. INTERVENTIONS: None. MEASUREMENTS AND RESULTS: Forty-one of the 65 patients presented with septic shock within 24 h of admission to the ICU (early septic shock [ESS]); the other 21 patients acquired septic shock > 24 h after ICU admission (late septic shock [LSS]). Eleven patients had a second episode (7 patients in the ESS group, and 4 patients in the LSS group), and 1 patient in the LSS group had a third episode of septic shock. Patients with ESS had higher APACHE (acute physiology and chronic health evaluation) II (mean +/- SD, 26 +/- 6 vs 20 +/- 6; p = 0.002) and sequential organ failure assessment (SOFA) scores (11 +/- 3 vs 7 +/- 3, p < 0.001) on ICU admission, and a higher blood lactate concentration at the onset of shock (median 3.70 mEq/L; interquartile range, 2.6 to 6.6 mEq/L; vs median, 2.50 mEq/L [interquartile range, 1.8 to 4.0 mEq/L], p = 0.03) than patients with LSS. However, the duration of septic shock (median, 42 h [interquartile range, 21 to 97 h] vs median, 93 h [interquartile range, 32 to 241 h], p = 0.058) and the length of ICU stay after the onset of septic shock (median, 75 h; [interquartile range, 38 to 203 h] vs median, 321 h [interquartile range, 96 to 438 h], p = 0.018), was shorter in patients with ESS than patients with LSS. The ICU mortality rate was 63% (26 patients) in the ESS group, and 88% (21 patients) in the LSS group (p = 0.071). At the onset of the first episode of shock, patients with ESS had higher SOFA scores (11 +/- 3 vs 9 +/- 3, p = 0.045), lower pH (7.24 +/- 0.15 vs 7.33 +/- 0.12, p = 0.01), and were treated with higher doses of dopamine (median, 20 microg/kg/min [interquartile range, 14 to 20 microg/kg/min] vs median, 12 microg/kg/min [interquartile range, 8 to 20 microg/kg/min], p = 0.028) than patients with LSS. CONCLUSIONS: Septic shock is more severe when of early onset, as reflected by more severe organ dysfunction, greater lactic acidosis, and higher vasopressor requirements, yet the outcome is better, as reflected by a shorter duration of the shock episode, shorter ICU stay, and slightly lower mortality rates. These differences may influence clinical trials of therapeutic agents for sepsis, and should be taken into account when analyzing the results. |
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Authors:
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Oscar Roman-Marchant; Carlos E A Orellana-Jimenez; Daniel De Backer; Christian Melot; Jean-Louis Vincent |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chest Volume: 126 ISSN: 0012-3692 ISO Abbreviation: Chest Publication Date: 2004 Jul |
Date Detail:
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Created Date: 2004-07-13 Completed Date: 2004-08-10 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: United States |
Other Details:
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Languages: eng Pagination: 173-8 Citation Subset: AIM; IM |
Affiliation:
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Department of Intensive Care Medicine, Erasme University Hospital, Free University of Brussels, Belgium. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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APACHE Aged Comorbidity Critical Care* Data Collection Female Humans Intensive Care Units Lactic Acid / blood Length of Stay Male Middle Aged Multiple Organ Failure / classification, etiology Risk Factors Shock, Septic / classification, mortality, physiopathology* Time Factors Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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50-21-5/Lactic Acid |
| Comments/Corrections | |
Comment In:
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Chest. 2004 Jul;126(1):4-6
[PMID:
15249432
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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