Last data update: May 06, 2024. (Total: 46732 publications since 2009)
Records 1-2 (of 2 Records) |
Query Trace: Andrejko KL[original query] |
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Outpatient visits and antibiotic use due to higher valency pneumococcal vaccine serotypes
King LM , Andrejko KL , Kabbani S , Tartof SY , Hicks LA , Cohen AL , Kobayashi M , Lewnard JA . J Infect Dis 2024 BACKGROUND: In 2022-2023, 15- and 20-valent pneumococcal conjugate vaccines (PCV15/PCV20) were recommended for infants. We aimed to estimate the incidence of outpatient visits and antibiotic prescriptions in U.S. children (≤17 years) from 2016-2019 for acute otitis media, pneumonia, and sinusitis associated with PCV15- and PCV20-additional (non-PCV13) serotypes to quantify PCV15/20 potential impacts. METHODS: We estimated the incidence of PCV15/20-additional serotype-attributable visits and antibiotic prescriptions as the product of all-cause incidence rates, derived from national healthcare surveys and MarketScan databases, and PCV15/20-additional serotype-attributable fractions. We estimated serotype-specific attributable fractions using modified vaccine-probe approaches incorporating incidence changes post-PCV13 and ratios of PCV13 versus PCV15/20 serotype frequencies, estimated through meta-analyses. RESULTS: Per 1000 children annually, PCV15-additional serotypes accounted for an estimated 2.7 (95% confidence interval 1.8-3.9) visits and 2.4 (1.6-3.4) antibiotic prescriptions. PCV20-additional serotypes resulted in 15.0 (11.2-20.4) visits and 13.2 (9.9-18.0) antibiotic prescriptions annually per 1,000 children. PCV15/20-additional serotypes account for 0.4% (0.2-0.6%) and 2.1% (1.5-3.0%) of pediatric outpatient antibiotic use. CONCLUSIONS: Compared with PCV15-additional serotypes, PCV20-additional serotypes account for >5 times the burden of visits and antibiotic prescriptions. Higher-valency PCVs, especially PCV20, may contribute to preventing pediatric pneumococcal respiratory infections and antibiotic use. |
The safety of atovaquone-proguanil for the prevention and treatment of malaria in pregnancy: A systematic review
Andrejko KL , Mayer RC , Kovacs S , Slutsker E , Bartlett E , Tan KR , Gutman JR . Travel Med Infect Dis 2019 27 20-26 BACKGROUND: Malaria infection poses a significant risk in pregnancy, yet chemoprophylaxis for pregnant women is limited. A systematic review was conducted to evaluate the incidence of adverse outcomes after atovaquone-proguanil (AP) exposure during pregnancy. METHODS: Following PRISMA guidelines, the authors searched PubMed, MEDLINE, and the Malaria in Pregnancy Consortium Library to identify relevant literature including infant outcomes after exposure to atovaquone, proguanil, or AP in pregnancy. Two authors independently screened the titles, abstracts, and full texts, and extracted data into an EpiInfo database. Overall proportions and 95% confidence intervals of adverse outcomes were determined by pooling data across studies. RESULTS: Of 455 records identified, 16 studies were included: ten AP studies and six proguanil studies. The overall proportions and 95% confidence intervals (CI) of adverse outcomes reported for the 446 women exposed to AP include miscarriage (8.08% CI: 5.07, 12.08%), stillbirth (1.05% CI: 0.03, 5.73%), early neonatal death (0% CI: 0, 7.4%), and congenital anomalies (2.56% CI: 1.28, 4.53%). CONCLUSIONS: The limited available data suggest that outcomes following AP exposure during pregnancy are similar to expected rates in similar populations. AP may be a promising option for pregnant women, but further data are needed on its safety in pregnancy. |
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