Ambulance patients with nondocumented sepsis have a high mortality risk: a retrospective study

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Abstract

Objective

Sepsis is a serious disease leading to high mortality. Early recognition is important because treatment is most effective when started quickly.

Objective

The primary aim of this retrospective cohort study was to assess how many sepsis patients are documented as septic by ambulance staff. The secondary aims were to investigate how many sepsis patients are transported by ambulance, to compare them with patients transported otherwise, to investigate which factors influence documentation of sepsis and to assess whether documentation influences mortality.

Methods

We retrieved all data from ambulance and emergency department charts of patients who visited the internist in the emergency department from March 2011 to July 2012.

Results

In total, 47.4% (n=363) sepsis patients were transported by ambulance. These patients were older (71.5 vs. 55.7 years, P<0.0001), admitted more frequently (97.2 vs. 85.4%, P<0.001), significantly more frequently had severe sepsis (47.4 vs. 25.8%, P<0.0001) or septic shock (12.4 vs. 4.0%, P<0.0001), and died more frequently within 28 days (17.9 vs. 7.2%, P<0.0001) than those who were transported otherwise.

Results

In 41.9% of ambulance patients, sepsis was not documented by ambulance staff. Measurement of temperature was important for documentation of sepsis (odds ratio 11.2, 95% confidence interval 5.2–24.4). In 32.1% of ambulance patients, sepsis could have been identified by assessing vital signs. Mortality in these nondocumented patients was higher than that in documented patients (25.7 vs. 12.9%, P=0.003).

Conclusion

Ambulance patients are seriously ill, but sepsis is often not documented by ambulance staff. Nondocumentation is associated with high mortality and could be resolved by assessing vital signs, particularly the temperature.

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