Effects of length of vasopressors infusion on mortality

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The aim of the Effects of Length of Vasopressors Infusion on Mortality (ELVI-Mortality) study is to observe a relationship between the length of vasopressor infusion and mortality in the intensive care unit” Kumar et al (2019).

Abstract:

Background: There has been a myriad of studies into the physiology of vasopressors and the survival benefit of vasopressor initiation in cases of septic shock. The aim of the Effects of Length of Vasopressors Infusion on Mortality (ELVI-Mortality) study is to observe a relationship between the length of vasopressor infusion and mortality in the intensive care unit.

Methods: This was a single-center, retrospective, matched-cohort study that collected data from Arrowhead Regional Medical Center’s electronic medical records (EMR; MediTech, MA, US) using International Classification of Diseases, Tenth Revision (ICD-10) coding and a chart reviewing the past five years. Patients were on norepinephrine, phenylephrine, or epinephrine. Two patient groups were compared. The first group encompassed those with vasopressor infusion less than 48 hours in duration, whereas the second group included those with vasopressor infusion greater than 48 hours. Results A total of 193 patients were diagnosed as having septic shock. Participant data were obtained for 163 patients (84.4%). Of the 106 patients who had a vasopressor duration of less than 48 hours, 32 patients (30.2%) expired. Of the 57 patients that had more than 48 hours of vasopressor infusion, 18 patients (31.6%) expired.

Conclusions: There was no statistically significant increase in mortality in patients with vasopressor infusion greater than 48 hours as compared to less than 48 hours.

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Reference:

Kumar, V., Srinivas, S., Le, T.H., Barnes, M., Kumar, S. and Redinski, J. (2019) Effects of Length of Vasopressors Infusion on Mortality. Curēus. 11(8), p.e5336. doi: 10.7759/cureus.5336.

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