Archives of gynecology and obstetrics · 2026
Improved pertussis vaccine uptake following in-hospital administration among pregnant women living with HIV.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Iannantuoni Sara, Carlea Annunziata, Mazzarelli Laura Letizia, Falco Luigi, Imperatore Oriana, Colacurci Dario, Esposito Gennaro, Giudice Matteo, De Simone Concetta, Casella Claudia, Pagano Maria Rosaria, Buonaguro Carmen, Maruotti Giuseppe Maria, Guida Maurizio, Bifulco Giuseppe, Sarno Laura
Аннотация
BACKGROUND: Pregnant women living with HIV (PWLHIV) are at increased risk of infectious complications during pregnancy, and HIV-exposed but uninfected women are more susceptible to serious infectious diseases. Therefore, maternal immunization during pregnancy is an essential standard of care for this patient population. However, vaccination during pregnancy is suboptimal among these patients.
METHODS: This is a single-center retrospective observational study, conducted at the University Hospital Federico II of Naples, Italy. We examined how our Center's vaccination uptake among PWLHIV changed after the introduction of in-hospital vaccine administration. To account for the small sample size and assess the robustness of the findings, Firth's penalized logistic regression was performed as a sensitivity analysis.
RESULTS: Between January 2021 and December 2024, 41 PWLHIV have been referred to the Regional Referral Centre for HIV in Pregnancy. Out of 38 eligible patients, 21 received the Tdap vaccine, resulting in an overall uptake of 55.3%. Following the introduction of in-hospital vaccine administration in January 2023, we observed a significant increase in pertussis-containing vaccine uptake among PWLHIV. Vaccine uptake increased from 20% (January 2021-December 2022) to 78.3% after the introduction of in-hospital vaccine administration (January 2023-December 2024), (p < 0.001). The sensitivity analysis using Firth's penalized logistic regression confirmed the independent association between in-hospital vaccination and vaccine uptake (adjusted OR 11.45; 95% CI 2.45-68.32; p < 0.001).
CONCLUSIONS: We observed improved vaccine uptake after introducing vaccine administration within the hospital setting. We believe that this strategy might significantly improve vaccine administration among PWLHIV.
METHODS: This is a single-center retrospective observational study, conducted at the University Hospital Federico II of Naples, Italy. We examined how our Center's vaccination uptake among PWLHIV changed after the introduction of in-hospital vaccine administration. To account for the small sample size and assess the robustness of the findings, Firth's penalized logistic regression was performed as a sensitivity analysis.
RESULTS: Between January 2021 and December 2024, 41 PWLHIV have been referred to the Regional Referral Centre for HIV in Pregnancy. Out of 38 eligible patients, 21 received the Tdap vaccine, resulting in an overall uptake of 55.3%. Following the introduction of in-hospital vaccine administration in January 2023, we observed a significant increase in pertussis-containing vaccine uptake among PWLHIV. Vaccine uptake increased from 20% (January 2021-December 2022) to 78.3% after the introduction of in-hospital vaccine administration (January 2023-December 2024), (p < 0.001). The sensitivity analysis using Firth's penalized logistic regression confirmed the independent association between in-hospital vaccination and vaccine uptake (adjusted OR 11.45; 95% CI 2.45-68.32; p < 0.001).
CONCLUSIONS: We observed improved vaccine uptake after introducing vaccine administration within the hospital setting. We believe that this strategy might significantly improve vaccine administration among PWLHIV.