Browsing by Author "Spieker, Andrew J."

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    Epidemiological Trends of Racial Differences in Early- and Late-onset Group B Streptococcus Disease in Tennessee
    (Oxford University Press, 2021) Hamdan, Lubna; Vandekar, Simon; Spieker, Andrew J.; Rahman, Herdi; Ndi, Danielle; Shekarabi, Emily S.; Thota, Jyotsna; Rankin, Danielle A.; Haddadin, Zaid; Markus, Tiffanie; Aronoff, David M.; Schaffner, William; Gaddy, Jennifer A.; Halasa, Natasha B.; Medicine, School of Medicine
    Background: The rates of early-onset group B Streptococcus (GBS) disease (EOGBS) have declined since the implementation of universal screening and intrapartum antibiotic prophylaxis guidelines but late-onset (LOGBS) rates remain unchanged. Racial differences in GBS disease rates have been previously documented, with Black infants having higher rates of EOGBS and LOGBS, but it is not known if these have persisted. Therefore, we sought to determine the differences in EOGBS and LOGBS disease by race over the past decade in Tennessee. Methods: This study used active population-based and laboratory-based surveillance data for invasive GBS disease conducted through Active Bacterial Core surveillance in selected counties across Tennessee. We included infants younger than 90 days and who had invasive GBS disease between 2009 and 2018. Results: A total of 356 GBS cases were included, with 60% having LOGBS. EOGBS and LOGBS had decreasing temporal trends over the study period. Overall, there were no changes in temporal trend noted in the rates of EOGBS and LOGBS among White infants. However, Black infants had significantly decreasing EOGBS and LOGBS temporal trends (relative risk [95% confidence interval], .87 [.79, .96] [P = .007] and .90 [.84-.97] [P = .003], respectively). Conclusions: Years after the successful implementation of the universal screening guidelines, our data revealed an overall decrease in LOGBS rates, primarily driven by changes among Black infants. More studies are needed to characterize the racial disparities in GBS rates, and factors driving them. Prevention measures such as vaccination are needed to have a further impact on disease rates.
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    Life-Threatening Complications of Influenza vs Coronavirus Disease 2019 (COVID-19) in US Children
    (Oxford University Press, 2023) Halasa, Natasha B.; Spieker, Andrew J.; Young, Cameron C.; Olson, Samantha M.; Newhams, Margaret M.; Amarin, Justin Z.; Moffitt, Kristin L.; Nakamura, Mari M.; Levy, Emily R.; Soma, Vijaya L.; Talj, Rana; Weiss, Scott L.; Fitzgerald, Julie C.; Mack, Elizabeth H.; Maddux, Aline B.; Schuster, Jennifer E.; Coates, Bria M.; Hall, Mark W.; Schwartz, Stephanie P.; Schwarz, Adam J.; Kong, Michele; Spinella, Philip C.; Loftis, Laura L.; McLaughlin, Gwenn E.; Hobbs, Charlotte V.; Rowan, Courtney M.; Bembea, Melania M.; Nofziger, Ryan A.; Babbitt, Christopher J.; Bowens, Cindy; Flori, Heidi R.; Gertz, Shira J.; Zinter, Matt S.; Giuliano, John S.; Hume, Janet R.; Cvijanovich, Natalie Z.; Singh, Aalok R.; Crandall, Hillary A.; Thomas, Neal J.; Cullimore, Melissa L.; Patel, Manish M.; Randolph, Adrienne G.; Pediatric Intensive Care Influenza; Overcoming COVID-19 Investigators; Pediatrics, School of Medicine
    Background: Clinical differences between critical illness from influenza infection vs coronavirus disease 2019 (COVID-19) have not been well characterized in pediatric patients. Methods: We compared demographics, clinical characteristics, and outcomes of US children (aged 8 months to 17 years) admitted to the intensive care or high-acuity unit with influenza or COVID-19. Using mixed-effects models, we assessed the odds of death or requiring life support for influenza vs COVID-19 after adjustment for age, sex, race and Hispanic origin, and underlying conditions including obesity. Results: Children with influenza (n = 179) were younger than those with COVID-19 (n = 381; median, 5.2 years vs 13.8 years), less likely to be non-Hispanic Black (14.5% vs 27.6%) or Hispanic (24.0% vs 36.2%), and less likely to have ≥1 underlying condition (66.4% vs 78.5%) or be obese (21.4% vs 42.2%), and a shorter hospital stay (median, 5 days vs 7 days). They were similarly likely to require invasive mechanical ventilation (both 30.2%), vasopressor support (19.6% and 19.9%), or extracorporeal membrane oxygenation (2.2% and 2.9%). Four children with influenza (2.2%) and 11 children with COVID-19 (2.9%) died. The odds of death or requiring life support in children with influenza vs COVID-19 were similar (adjusted odds ratio, 1.30; 95% confidence interval, .78-2.15; P = .32). Conclusions: Despite differences in demographics and clinical characteristics of children with influenza or COVID-19, the frequency of life-threatening complications was similar. Our findings highlight the importance of implementing prevention measures to reduce transmission and disease severity of influenza and COVID-19.