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Published on: March 6, 2019
Characteristics of children readmitted with severe pneumonia in Kenyan hospitals
Diana Marangu-Boore1, Paul Mwaniki2, Lynda Isaaka2
1Paediatric Pulmonology Division, Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya. dmarangu@uonbi.ac.ke.
Insights
Severe pneumonia readmissions in children are common (11%) and linked to factors like malnutrition and age. Readmitted children had similar mortality rates but received different treatments, highlighting care gaps.
Area of Science:
- Pediatric infectious diseases
- Public health research
- Clinical epidemiology
Background:
- Pneumonia is a major cause of death in children globally.
- Hospital readmissions for severe pneumonia may indicate suboptimal care or unaddressed health issues.
Purpose of the Study:
- To determine the prevalence of severe pneumonia readmissions in Kenyan children.
- To identify risk factors associated with readmission and inpatient mortality.
- To describe clinical management practices for severe pneumonia.
Main Methods:
- Retrospective cohort study of children aged 2 months to 14 years hospitalized with severe pneumonia (2013-2021).
- Data collected from 20 primary referral hospitals in Kenya.
- Analysis included prevalence estimation, risk factor modeling for readmission and mortality.
Main Results:
- 11.0% of 20,603 children were readmitted with severe pneumonia.
- Risk factors for readmission included younger age, malnutrition, wheeze, and neurological disorders.
- Readmitted children received more chest X-rays, second-line antibiotics, TB medication, salbutamol, and prednisolone.
- Inpatient mortality was 12.8% for first admissions and 11.8% for readmissions.
- Mortality risk factors included malnutrition, anemia, and male sex; complete vaccination was protective.
Conclusions:
- Children readmitted with severe pneumonia represent a significant burden of disease.
- Further research is needed to optimize screening, management, and follow-up for high-risk children.
- Targeted interventions for children with risk factors are crucial to reduce readmissions and mortality.
Background:
Pneumonia is a leading cause of childhood morbidity and mortality. Hospital re-admission may signify missed opportunities for care or undiagnosed comorbidities.
Methods:
We conducted a retrospective cohort study including children aged 2 months-14 years hospitalised with severe pneumonia between 2013 and 2021 in a network of 20 primary referral hospitals in Kenya. Severe pneumonia was defined using the 2013 World Health Organization criteria, and re-admission was based on clinical documentation from individual patient case notes. We estimated the prevalence of re-admission, described clinical management practices, and modelled risk factors for re-admission and inpatient mortality.
Results:
Among 20,603 children diagnosed with severe pneumonia, 2,274 (11.0%, 95% CI 10.6-11.5) were readmitted. Re-admission was independently associated with age (12-59 months vs. 2-11 months: adjusted odds ratio (aOR) 1.70, 1.54-1.87; >5 years vs. 2-11 months: aOR 1.85, 1.55-2.22), malnutrition (weight-for-age-z-score (WAZ) <-3SD vs. WAZ> -2SD: aOR 2.05, 1.84-2.29); WAZ - 2 to -3 SD vs. WAZ> -2SD: aOR 1.37, 1.20-1.57), wheeze (aOR 1.17, 1.03-1.33) and presence of a concurrent neurological disorder (aOR 4.42, 1.70-11.48). Chest radiography was ordered more frequently among those readmitted (540/2,274 [23.7%] vs. 3,102/18,329 [16.9%], p < 0.001). Readmitted patients more frequently received second-line antibiotics (808/2,256 [35.8%] vs. 5,538/18,173 [30.5%], p < 0.001), TB medication (69/2,256 [3.1%] vs. 298/18,173 [1.6%], p < 0.001), salbutamol (530/2,256 [23.5%] vs. 3,707/18,173 [20.4%], p = 0.003), and prednisolone (157/2,256 [7.0%] vs. 764/18,173 [4.2%], p < 0.001). Inpatient mortality was 2,354/18,329 (12.8%) among children admitted with a first episode of severe pneumonia and 269/2,274 (11.8%) among those who were readmitted (adjusted hazard ratio (aHR) 0.93, 95% CI 0.82-1.07). Age (12-59 months vs. 2-11 months: aHR 0.62, 0.57-0.67), male sex (aHR 0.81, 0.75-0.88), malnutrition (WAZ <-3SD vs. WAZ >-2SD: aHR 1.87, 1.71-2.05); WAZ - 2 to -3 SD vs. WAZ >-2SD: aHR 1.46, 1.31-1.63), complete vaccination (aHR 0.74, 0.60-0.91), wheeze (aHR 0.87, 0.78-0.98) and anaemia (aHR 2.14, 1.89-2.43) were independently associated with mortality.
Conclusions:
Children readmitted with severe pneumonia account for a substantial proportion of pneumonia hospitalisations and deaths. Further research is required to develop evidence-based approaches to screening, case management, and follow-up of children with severe pneumonia, prioritising those with underlying risk factors for readmission and mortality.
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