TUESDAY, May 28, 2024 (HealthDay News) — There is considerable variation in mortality rates among patients with suspected sepsis, according to a research letter published online May 28 in the Annals of Internal Medicine.

Brett Biebelberg, from Massachusetts General Hospital in Boston, and colleagues conducted a retrospective analysis of all adults admitted to five Massachusetts hospitals with suspected sepsis, defined as suspected infection with concurrent organ dysfunction. A total of 74,858 patients with suspected sepsis were identified.

Overall, 31 percent of patients were admitted to intensive care and 8.9 percent died in the hospital. The researchers identified 30-fold variation in crude deaths, depending on the primary site of infection, varying from 1 to 33 percent (tick- or vector-borne infections and bacteremia, respectively). A 13-fold variation in crude deaths was seen across organ dysfunctions, ranging from 2.2 to 27 percent with a decline in systolic blood pressure of ≥40 mm Hg alone and respiratory organ failure requiring intubation with or without other organ dysfunctions, respectively. With successively more organ dysfunctions, there was an increase in mortality rates observed, but wide variation was still seen depending on which organs were involved (one, two, and three or more organ dysfunctions: 0 to 7, 3 to 10, and 5 to 21 percent mortality, respectively). When considering combinations of infection sources and organ dysfunctions, differences in mortality were further magnified.

“The wide range of disease manifestations and outcomes begs the question whether it is appropriate and helpful to group all these infections together as one syndrome with a common descriptor and common treatment plan,” the authors write.

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