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Observational Study
. 2014 Feb 27:22:14.
doi: 10.1186/1757-7241-22-14.

Red blood cell transfusion in septic shock - clinical characteristics and outcome of unselected patients in a prospective, multicentre cohort

Ragnhild G Rosland, Marte U Hagen, Nicolai Haase, Lars B Holst, Morten Plambech, Kristian R Madsen, Peter Søe-Jensen, Lone M Poulsen, Morten Bestle, Anders Perner  1
Affiliations
Observational Study

Red blood cell transfusion in septic shock - clinical characteristics and outcome of unselected patients in a prospective, multicentre cohort

Ragnhild G Rosland et al. Scand J Trauma Resusc Emerg Med. .

Abstract

Background: Treating anaemia with red blood cell (RBC) transfusion is frequent, but controversial, in patients with septic shock. Therefore we assessed characteristics and outcome associated with RBC transfusion in this group of high risk patients.

Methods: We did a prospective cohort study at 7 general intensive care units (ICUs) including all adult patients with septic shock in a 5-month period.

Results: Ninety-five of the 213 included patients (45%) received median 3 (interquartile range 2-5) RBC units during shock. The median pre-transfusion haemoglobin level was 8.1 (7.4-8.9) g/dl and independent of shock day and bleeding. Patients with cardiovascular disease were transfused at higher haemoglobin levels. Transfused patients had higher Simplified Acute Physiology Score (SAPS) II (56 (45-69) vs. 48 (37-61), p = 0.0005), more bleeding episodes, lower haemoglobin levels days 1 to 5, higher Sepsis-related Organ Failure Assessment (SOFA) scores (days 1 and 5), more days in shock (5 (3-10) vs. 2 (2-4), p = 0.0001), more days in ICU (10 (4-19) vs. 4 (2-8), p = 0.0001) and higher 90-day mortality (66 vs. 43%, p = 0.001). The latter association was lost after adjustment for admission category and SAPS II and SOFA-score on day 1.

Conclusions: The decision to transfuse patients with septic shock was likely affected by disease severity and bleeding, but haemoglobin level was the only measure that consistently differed between transfused and non-transfused patients.

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Figures

Figure 1
Figure 1
Haemoglobin (Hb) trigger levels in septic shock. The scatter plot depicts the Hb levels within two hours before RBC transfusion on days of shock. The bars denote medians.
See this image and copyright information in PMC

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