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Hospitalizations for respiratory syncytial virus infection in Alaska Native children
R J Singleton1, K M Petersen, J E Berner
1Alaska Area Native Health Service, Anchorage 99501, USA.
Insights
Alaska Native infants in the Yukon Kuskokwim Delta (YKD) region experienced higher hospitalization rates for respiratory syncytial virus (RSV) infections compared to Anchorage. This highlights a critical need for early preventive strategies, particularly for very young infants in rural areas.
Area of Science:
- Pediatrics
- Epidemiology
- Public Health
Background:
- Respiratory syncytial virus (RSV) is a significant cause of lower respiratory tract infections in infants.
- Alaska Native children, particularly in rural regions, may face unique risk factors for severe RSV disease.
- Understanding the epidemiology of RSV hospitalizations is crucial for targeted public health interventions.
Purpose of the Study:
- To characterize the epidemiology of RSV hospitalizations among Alaska Native children.
- To compare hospitalization rates and clinical characteristics between rural (Yukon Kuskokwim Delta) and urban (Anchorage) Alaska Native children.
- To identify disparities and inform preventive strategies for RSV infections.
Main Methods:
- Retrospective review of hospitalization records for RSV infections.
- Data collected from winter seasons 1991-1992 and 1992-1993.
- Comparison of patient demographics, clinical severity (mechanical ventilation), and hospitalization duration between two distinct Alaskan regions.
Main Results:
- The median age of hospitalization for RSV was younger in the YKD region (2 months) compared to Anchorage (4.5 months).
- A higher proportion of YKD infants (16%) were hospitalized at less than 1 month of age versus Anchorage infants (3%).
- YKD infants had significantly higher hospitalization rates (100/1000) than Anchorage infants (33/1000) and required mechanical ventilation (8% vs. 0%).
Conclusions:
- Alaska Native infants in the rural YKD region experience a disproportionately high burden of RSV hospitalizations, especially at very young ages.
- Significant disparities exist in RSV severity and healthcare utilization between rural and urban Alaska Native children.
- Early preventive measures are urgently needed to reduce the impact of RSV in vulnerable Alaska Native infant populations.
Abstract:
To characterize the epidemiology of Alaska Native children hospitalized for respiratory syncytial virus infections, we reviewed records of hospitalizations during the winter seasons of 1991 to 1992 and 1992 to 1993 at a hospital in Anchorage and a rural hospital in the Yukon Kuskokwim Delta (YKD) region of southwestern Alaska. The median age of hospitalization for respiratory syncytial virus infection was 2 months of age for YKD residents and 4.5 months for Anchorage residents. Sixteen percent of the hospitalized YKD children were less than 1 month of age, whereas the same was true for only 3% of the Anchorage children. Eight percent of the YKD patients required mechanical ventilation, whereas none of the Anchorage patients required ventilation. The median hospital stay was 4.8 days for YKD patients and 3.2 days for Anchorage patients. Hospitalization rates for infants less than 1 year of age were 33/1000 for Alaska Natives in Anchorage and 100/1000 for those in the YKD region. The extremely high hospitalization rate, especially among very young infants in the rural YKD region, points to a need for early preventive efforts.