#Pathophysiological role of #respiratory #dysbiosis in #hospital-acquired #pneumonia (Lancet Resp Med., abstract)

[Source: The Lancet Respiratory Medicine, full page: (LINK). Abstract, edited.]

Pathophysiological role of respiratory dysbiosis in hospital-acquired pneumonia

Prof A Roquilly, MD, Prof A Torres, MD, Prof J A Villadangos, PhD, Prof M G Netea, MD, Prof R Dickson, MD, Prof B Becher, PhD, Prof K Asehnoune, MD

Published: June 07, 2019 / DOI: https://doi.org/10.1016/S2213-2600(19)30140-7

 

Summary

Hospital-acquired pneumonia is a major cause of morbidity and mortality. The incidence of hospital-acquired pneumonia remains high globally and treatment can often be ineffective. Here, we review the available data and unanswered questions surrounding hospital-acquired pneumonia, discuss alterations of the respiratory microbiome and of the mucosal immunity in patients admitted to hospital, and explore potential approaches to stratify patients for tailored treatments. The lungs have been considered a sterile organ for decades because microbiological culture techniques had shown negative results. Culture-independent techniques have shown that healthy lungs harbour a diverse and dynamic ecosystem of bacteria, changing our comprehension of respiratory physiopathology. Understanding dysbiosis of the respiratory microbiome and altered mucosal immunity in patients with critical illness holds great promise to develop targeted host-directed immunotherapy to reduce ineffective treatment, to improve patient outcomes, and to tackle the global threat of resistant bacteria that cause these infections.

Keywords: Antibiotics; Drugs Resistance; Microbiome; Pneumonia; Nosocomial Outbreaks.

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gimi69

I am an Italian blogger, active since 2005 with main focus on emerging infectious diseases such as avian influenza, SARS, antibiotics resistance, and many other global Health issues. Other fields of interest are: climate change, global warming, geological and biological sciences. My activity consists mainly in collection and analysis of news, public services updates, confronting sources and making decision about what are the 'signals' of an impending crisis (an outbreak, for example). When a signal is detected, I follow traces during the entire course of an event. I started in 2005 my blog ''A TIME'S MEMORY'', now with more than 40,000 posts and 3 millions of web interactions. Subsequently I added an Italian Language blog, then discontinued because of very low traffic and interest. I contributed for seven years to a public forum (FluTrackers.com) in the midst of the Ebola epidemic in West Africa in 2014, I left the site to continue alone my data tracking job.

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