Mortality after hospital discharge among children younger than 5 years admitted with suspected sepsis in Uganda: a prospective, multisite, observational cohort study
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Date
2023Author
Wiens, Matthew O
Bone, Jeffrey N
Kumbakumba, Elias
Businge, Stephen
Tagoola, Abner
Sherine, Sheila Oyella
Byaruhanga, Emmanuel
Ssemwanga, Edward
Barigye, Celestine
Nsungwa, Jesca
Olaro, Charles
Ansermino, J Mark
Kissoon, Niranjan
Singer, Joel
Larson, Charles P
Lavoie, Pascal M
Dunsmuir, Dustin
Moschovis, Peter P
Novakowski, Stefanie
Komugisha, Clare
Tayebwa, Mellon
Mwesigwa, Douglas
Zhang, Cherri
Knappett, Martina
West, Nicholas
Nguyen, Vuong
Mugisha, Nathan Kenya
Kabakyenga, Jerome
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Background: Substantial mortality occurs after hospital discharge in children younger than 5 years with suspected sepsis, especially in low-income countries. A better understanding of its epidemiology is needed for effective interventions to reduce child mortality in these countries. We evaluated risk factors for death after discharge in children admitted to hospital for suspected sepsis in Uganda, and assessed how these differed by age, time of death, and location of death.
Methods: In this prospective, multisite, observational cohort study, we recruited and consecutively enrolled children aged 0–60 months admitted with suspected sepsis from the community to the paediatric wards of six Ugandan hospitals. Suspected sepsis was defined as the need for admission due to a suspected or proven infectious illness. At admission, trained study nurses systematically collected data on clinical variables, sociodemographic variables, and baseline characteristics with encrypted study tablets. Participants were followed up for 6 months after discharge by field officers who contacted caregivers at 2 months and 4 months after discharge by telephone and at 6 months after discharge in person to measure vital status, health-care seeking after discharge, and readmission details. We assessed 6-month mortality after hospital discharge among those discharged alive, with verbal autopsies conducted for children who had died after hospital discharge.
Findings: Between July 13, 2017, and March 30, 2020, 16 991 children were screened for eligibility. 6545 children (2927 [44·72%] female children and 3618 [55·28%] male children) were enrolled and 6191 were discharged from hospital alive. 6073 children (2687 [44·2%] female children and 3386 [55·8%] male children) completed follow-up. 366 children died in the 6-month period after discharge (weighted mortality rate 5·5%). Median time from discharge to death was 28 days (IQR 9–74). For the 360 children for whom location of death was documented, deaths occurred at home (162 [45·0%]), in transit to care (66 [18·3%]), or in hospital (132 [36·7%]) during a subsequent readmission. Death after hospital discharge was strongly associated with weight-for-age Z scores less than –3 (adjusted risk ratio [aRR] 4·7, 95% CI 3·7–5·8 vs a Z score of >–2), discharge or referral to a higher level of care (7·3, 5·6–9·5), and unplanned discharge (3·2, 2·5–4·0). Hazard ratios (HRs) for severe anaemia (<7g/dL) increased with time since discharge, from 1·7 (95% CI 0·9–3·0) for death occurring in the first time tertile to 5·2 (3·1–8·5) in the third time tertile. HRs for some discharge vulnerabilities decreased significantly with increasing time since discharge, including unplanned discharge (from 4.5 [2·9–6·9] in the first tertile to 2·0 [1·3–3·2] in the third tertile) and poor feeding status (from 7·7 [5·4–11·0] to 1·84 [1·0–3·3]). Age interacted with several variables, including reduced weight-for-age Z score, severe anaemia, and reduced admission temperature.
Interpretation: Paediatric mortality following hospital discharge after suspected sepsis is common, with diminishing, although persistent, risk during the first 6 months after discharge. Efforts to improve outcomes after hospital discharge are crucial to achieving Sustainable Development Goal 3.2 (ending preventable childhood deaths under age 5 years).
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