Healthcare Encounters in the Week Preceding a Sepsis Hospitalization in Pediatric Patients

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Abstract
OBJECTIVES: Sepsis is a leading cause of morbidity and mortality for critically ill children, yet the pattern of healthcare use before admission for sepsis remains unknown. We measured the proportion and characteristics of healthcare encounters within 7 days before sepsis hospitalizations. DESIGN: Using the Merative MarketScan administrative claims database, we conducted a retrospective observational cohort study to quantify pre-admission healthcare encounters among children hospitalized with sepsis. SETTING: The Merative MarketScan database includes inpatient, outpatient, and emergency medical claims from employer-based insurance plans and Medicaid data from approximately 7 million healthcare consumers across multiple states. PATIENTS: Included patients were 0–18 years old and hospitalized with sepsis between January 1, 2016, and December 31, 2022. Children were required to have 30 days of continuous insurance enrollment before admission. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Our primary outcome was the occurrence of any healthcare encounter in the 7 days before sepsis hospitalization, including outpatient, emergency department, or inpatient visits. Of those encounters, we identified the proportion that were related to infection. We compared hospitalization characteristics, including mechanical ventilation, ICU use, and length of stay, among those with vs. without pre-sepsis healthcare utilization. We identified 6928 pediatric sepsis hospitalizations, of whom 64.3% (4452/6928) had a complex chronic condition with a median age of 10 years (interquartile range, 3–15 yr). Overall, 53.5% (3707/928) of sepsis hospitalizations had a healthcare encounter within 7 days of admission, including 33.7% (2338/6928) with an outpatient visit, 28.2% (1956/6928) with an emergency department visit, and 6.2% (431/6928) with an inpatient hospitalization. Among sepsis hospitalizations with any pre-admission encounter, 38.9% (1445/3707) had an infection-related diagnosis documented at the encounter. There was no difference in mechanical ventilation, ICU use, or length of stay between those with vs. without pre-sepsis healthcare encounters. CONCLUSIONS: Over half of children hospitalized with sepsis were evaluated in the outpatient or emergency department setting in the week preceding admission, with one in five evaluated for infection. Further understanding of these pre-admission encounters may allow for earlier sepsis identification and possibly intervention in the prehospital setting.

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