Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.

Recent studies report seasonality in healthcare-associated infections, especially those caused by Acinetobacter baumannii complex. We conducted an ecologic study aimed at analyzing the impact of seasons, weather parameters and climate control on the incidence and carbapenem-resistance in A. baumanni...

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Autores principales:	Sebastião Pires Ferreira Filho, Milca Severino Pereira, Jorge Luiz Nobre Rodrigues, Raul Borges Guimarães, Antônio Ribeiro da Cunha, José Eduardo Corrente, Antônio Carlos Campos Pignatari, Carlos Magno Castelo Branco Fortaleza
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a6bfdba270cf444787bc14e070a4905f
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spelling	oai:doaj.org-article:a6bfdba270cf444787bc14e070a4905f2021-12-02T20:17:47ZSeasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.1932-620310.1371/journal.pone.0255593https://doaj.org/article/a6bfdba270cf444787bc14e070a4905f2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255593https://doaj.org/toc/1932-6203Recent studies report seasonality in healthcare-associated infections, especially those caused by Acinetobacter baumannii complex. We conducted an ecologic study aimed at analyzing the impact of seasons, weather parameters and climate control on the incidence and carbapenem-resistance in A. baumannii complex bloodstream infections (ABBSI) in hospitals from regions with different climates in Brazil. We studied monthly incidence rates (years 2006-2015) of ABBSI from hospitals in cities from different macro-regions in Brazil: Fortaleza (Ceará State, Northeast region), Goiânia (Goiás State, Middle-west) and Botucatu (São Paulo State, Southeast). Box-Jenkins models were fitted to assess seasonality, and the impact of weather parameters was analyzed in Poisson Regression models. Separate analyses were performed for carbapenem-resistant versus carbapenem-susceptible isolates, as well as for infections occurring in climate-controlled intensive care units (ICUs) versus non-climate-controlled wards. Seasonality was identified for ABSSI ICUs in the Hospitals from Botucatu and Goiânia. In the Botucatu hospital, where there was overall seasonality for both resistance groups, as well as for wards without climate control. In that hospital, the overall incidence was associated with higher temperature (incidence rate ratio for each Celsius degree, 1.05; 95% Confidence Interval, 1.01-1.09; P = 0.006). Weather parameters were not associated with ABBSI in the hospitals from Goiânia and Fortaleza. In conclusion, seasonality was found in the hospitals with higher ABBSI incidence and located in regions with greater thermal amplitude. Strict temperature control may be a tool for prevention of A. baumanii infections in healthcare settings.Sebastião Pires Ferreira FilhoMilca Severino PereiraJorge Luiz Nobre RodriguesRaul Borges GuimarãesAntônio Ribeiro da CunhaJosé Eduardo CorrenteAntônio Carlos Campos PignatariCarlos Magno Castelo Branco FortalezaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0255593 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sebastião Pires Ferreira Filho Milca Severino Pereira Jorge Luiz Nobre Rodrigues Raul Borges Guimarães Antônio Ribeiro da Cunha José Eduardo Corrente Antônio Carlos Campos Pignatari Carlos Magno Castelo Branco Fortaleza Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
description	Recent studies report seasonality in healthcare-associated infections, especially those caused by Acinetobacter baumannii complex. We conducted an ecologic study aimed at analyzing the impact of seasons, weather parameters and climate control on the incidence and carbapenem-resistance in A. baumannii complex bloodstream infections (ABBSI) in hospitals from regions with different climates in Brazil. We studied monthly incidence rates (years 2006-2015) of ABBSI from hospitals in cities from different macro-regions in Brazil: Fortaleza (Ceará State, Northeast region), Goiânia (Goiás State, Middle-west) and Botucatu (São Paulo State, Southeast). Box-Jenkins models were fitted to assess seasonality, and the impact of weather parameters was analyzed in Poisson Regression models. Separate analyses were performed for carbapenem-resistant versus carbapenem-susceptible isolates, as well as for infections occurring in climate-controlled intensive care units (ICUs) versus non-climate-controlled wards. Seasonality was identified for ABSSI ICUs in the Hospitals from Botucatu and Goiânia. In the Botucatu hospital, where there was overall seasonality for both resistance groups, as well as for wards without climate control. In that hospital, the overall incidence was associated with higher temperature (incidence rate ratio for each Celsius degree, 1.05; 95% Confidence Interval, 1.01-1.09; P = 0.006). Weather parameters were not associated with ABBSI in the hospitals from Goiânia and Fortaleza. In conclusion, seasonality was found in the hospitals with higher ABBSI incidence and located in regions with greater thermal amplitude. Strict temperature control may be a tool for prevention of A. baumanii infections in healthcare settings.
format	article
author	Sebastião Pires Ferreira Filho Milca Severino Pereira Jorge Luiz Nobre Rodrigues Raul Borges Guimarães Antônio Ribeiro da Cunha José Eduardo Corrente Antônio Carlos Campos Pignatari Carlos Magno Castelo Branco Fortaleza
author_facet	Sebastião Pires Ferreira Filho Milca Severino Pereira Jorge Luiz Nobre Rodrigues Raul Borges Guimarães Antônio Ribeiro da Cunha José Eduardo Corrente Antônio Carlos Campos Pignatari Carlos Magno Castelo Branco Fortaleza
author_sort	Sebastião Pires Ferreira Filho
title	Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
title_short	Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
title_full	Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
title_fullStr	Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
title_full_unstemmed	Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.
title_sort	seasonality and weather dependance of acinetobacter baumannii complex bloodstream infections in different climates in brazil.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/a6bfdba270cf444787bc14e070a4905f
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Seasonality and weather dependance of Acinetobacter baumannii complex bloodstream infections in different climates in Brazil.

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