Disruptions of Anaerobic Gut Bacteria Are Associated with Stroke and Post-stroke Infection: a Prospective Case–Control Study

In recent years, preclinical studies have illustrated the potential role of intestinal bacterial composition in the risk of stroke and post-stroke infections. The results of these studies suggest that bacteria capable of producing volatile metabolites, including trimethylamine-N-oxide (TMAO) and but...

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Veröffentlicht in:Translational stroke research 2021-08, Vol.12 (4), p.581-592
Hauptverfasser: Haak, Bastiaan W., Westendorp, Willeke F., van Engelen, Tjitske S. R., Brands, Xanthe, Brouwer, Matthijs C., Vermeij, Jan-Dirk, Hugenholtz, Floor, Verhoeven, Aswin, Derks, Rico J., Giera, Martin, Nederkoorn, Paul J., de Vos, Willem M., van de Beek, Diederik, Wiersinga, W. Joost
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container_issue 4
container_start_page 581
container_title Translational stroke research
container_volume 12
creator Haak, Bastiaan W.
Westendorp, Willeke F.
van Engelen, Tjitske S. R.
Brands, Xanthe
Brouwer, Matthijs C.
Vermeij, Jan-Dirk
Hugenholtz, Floor
Verhoeven, Aswin
Derks, Rico J.
Giera, Martin
Nederkoorn, Paul J.
de Vos, Willem M.
van de Beek, Diederik
Wiersinga, W. Joost
description In recent years, preclinical studies have illustrated the potential role of intestinal bacterial composition in the risk of stroke and post-stroke infections. The results of these studies suggest that bacteria capable of producing volatile metabolites, including trimethylamine-N-oxide (TMAO) and butyrate, play opposing, yet important roles in the cascade of events leading to stroke. However, no large-scale studies have been undertaken to determine the abundance of these bacterial communities in stroke patients and to assess the impact of disrupted compositions of the intestinal microbiota on patient outcomes. In this prospective case–control study, rectal swabs from 349 ischemic and hemorrhagic stroke patients (median age, 71 years; IQR: 67–75) were collected within 24 h of hospital admission. Samples were subjected to 16S rRNA amplicon sequencing and subsequently compared with samples obtained from 51 outpatient age- and sex-matched controls (median age, 72 years; IQR, 62–80) with similar cardiovascular risk profiles but without active signs of stroke. Plasma protein biomarkers were analyzed using a combination of nuclear magnetic resonance (NMR) spectroscopy and liquid chromatography–mass spectrometry (LC-MS). Alpha and beta diversity analyses revealed higher disruption of intestinal communities during ischemic and hemorrhagic stroke compared with non-stroke matched control subjects. Additionally, we observed an enrichment of bacteria implicated in TMAO production and a loss of butyrate-producing bacteria. Stroke patients displayed two-fold lower plasma levels of TMAO than controls (median 1.97 vs 4.03 μM, Wilcoxon p  
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R. ; Brands, Xanthe ; Brouwer, Matthijs C. ; Vermeij, Jan-Dirk ; Hugenholtz, Floor ; Verhoeven, Aswin ; Derks, Rico J. ; Giera, Martin ; Nederkoorn, Paul J. ; de Vos, Willem M. ; van de Beek, Diederik ; Wiersinga, W. Joost</creator><creatorcontrib>Haak, Bastiaan W. ; Westendorp, Willeke F. ; van Engelen, Tjitske S. R. ; Brands, Xanthe ; Brouwer, Matthijs C. ; Vermeij, Jan-Dirk ; Hugenholtz, Floor ; Verhoeven, Aswin ; Derks, Rico J. ; Giera, Martin ; Nederkoorn, Paul J. ; de Vos, Willem M. ; van de Beek, Diederik ; Wiersinga, W. Joost</creatorcontrib><description>In recent years, preclinical studies have illustrated the potential role of intestinal bacterial composition in the risk of stroke and post-stroke infections. The results of these studies suggest that bacteria capable of producing volatile metabolites, including trimethylamine-N-oxide (TMAO) and butyrate, play opposing, yet important roles in the cascade of events leading to stroke. However, no large-scale studies have been undertaken to determine the abundance of these bacterial communities in stroke patients and to assess the impact of disrupted compositions of the intestinal microbiota on patient outcomes. In this prospective case–control study, rectal swabs from 349 ischemic and hemorrhagic stroke patients (median age, 71 years; IQR: 67–75) were collected within 24 h of hospital admission. Samples were subjected to 16S rRNA amplicon sequencing and subsequently compared with samples obtained from 51 outpatient age- and sex-matched controls (median age, 72 years; IQR, 62–80) with similar cardiovascular risk profiles but without active signs of stroke. Plasma protein biomarkers were analyzed using a combination of nuclear magnetic resonance (NMR) spectroscopy and liquid chromatography–mass spectrometry (LC-MS). Alpha and beta diversity analyses revealed higher disruption of intestinal communities during ischemic and hemorrhagic stroke compared with non-stroke matched control subjects. Additionally, we observed an enrichment of bacteria implicated in TMAO production and a loss of butyrate-producing bacteria. Stroke patients displayed two-fold lower plasma levels of TMAO than controls (median 1.97 vs 4.03 μM, Wilcoxon p  &lt; 0.0001). Finally, lower abundance of butyrate-producing bacteria within 24 h of hospital admission was an independent predictor of enhanced risk of post-stroke infection (odds ratio 0.77, p  = 0.005), but not of mortality or functional patient outcome. 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R.</creatorcontrib><creatorcontrib>Brands, Xanthe</creatorcontrib><creatorcontrib>Brouwer, Matthijs C.</creatorcontrib><creatorcontrib>Vermeij, Jan-Dirk</creatorcontrib><creatorcontrib>Hugenholtz, Floor</creatorcontrib><creatorcontrib>Verhoeven, Aswin</creatorcontrib><creatorcontrib>Derks, Rico J.</creatorcontrib><creatorcontrib>Giera, Martin</creatorcontrib><creatorcontrib>Nederkoorn, Paul J.</creatorcontrib><creatorcontrib>de Vos, Willem M.</creatorcontrib><creatorcontrib>van de Beek, Diederik</creatorcontrib><creatorcontrib>Wiersinga, W. Joost</creatorcontrib><title>Disruptions of Anaerobic Gut Bacteria Are Associated with Stroke and Post-stroke Infection: a Prospective Case–Control Study</title><title>Translational stroke research</title><addtitle>Transl. Stroke Res</addtitle><addtitle>Transl Stroke Res</addtitle><description>In recent years, preclinical studies have illustrated the potential role of intestinal bacterial composition in the risk of stroke and post-stroke infections. The results of these studies suggest that bacteria capable of producing volatile metabolites, including trimethylamine-N-oxide (TMAO) and butyrate, play opposing, yet important roles in the cascade of events leading to stroke. However, no large-scale studies have been undertaken to determine the abundance of these bacterial communities in stroke patients and to assess the impact of disrupted compositions of the intestinal microbiota on patient outcomes. In this prospective case–control study, rectal swabs from 349 ischemic and hemorrhagic stroke patients (median age, 71 years; IQR: 67–75) were collected within 24 h of hospital admission. Samples were subjected to 16S rRNA amplicon sequencing and subsequently compared with samples obtained from 51 outpatient age- and sex-matched controls (median age, 72 years; IQR, 62–80) with similar cardiovascular risk profiles but without active signs of stroke. Plasma protein biomarkers were analyzed using a combination of nuclear magnetic resonance (NMR) spectroscopy and liquid chromatography–mass spectrometry (LC-MS). Alpha and beta diversity analyses revealed higher disruption of intestinal communities during ischemic and hemorrhagic stroke compared with non-stroke matched control subjects. Additionally, we observed an enrichment of bacteria implicated in TMAO production and a loss of butyrate-producing bacteria. Stroke patients displayed two-fold lower plasma levels of TMAO than controls (median 1.97 vs 4.03 μM, Wilcoxon p  &lt; 0.0001). Finally, lower abundance of butyrate-producing bacteria within 24 h of hospital admission was an independent predictor of enhanced risk of post-stroke infection (odds ratio 0.77, p  = 0.005), but not of mortality or functional patient outcome. 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R.</au><au>Brands, Xanthe</au><au>Brouwer, Matthijs C.</au><au>Vermeij, Jan-Dirk</au><au>Hugenholtz, Floor</au><au>Verhoeven, Aswin</au><au>Derks, Rico J.</au><au>Giera, Martin</au><au>Nederkoorn, Paul J.</au><au>de Vos, Willem M.</au><au>van de Beek, Diederik</au><au>Wiersinga, W. Joost</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Disruptions of Anaerobic Gut Bacteria Are Associated with Stroke and Post-stroke Infection: a Prospective Case–Control Study</atitle><jtitle>Translational stroke research</jtitle><stitle>Transl. Stroke Res</stitle><addtitle>Transl Stroke Res</addtitle><date>2021-08-01</date><risdate>2021</risdate><volume>12</volume><issue>4</issue><spage>581</spage><epage>592</epage><pages>581-592</pages><issn>1868-4483</issn><eissn>1868-601X</eissn><abstract>In recent years, preclinical studies have illustrated the potential role of intestinal bacterial composition in the risk of stroke and post-stroke infections. The results of these studies suggest that bacteria capable of producing volatile metabolites, including trimethylamine-N-oxide (TMAO) and butyrate, play opposing, yet important roles in the cascade of events leading to stroke. However, no large-scale studies have been undertaken to determine the abundance of these bacterial communities in stroke patients and to assess the impact of disrupted compositions of the intestinal microbiota on patient outcomes. In this prospective case–control study, rectal swabs from 349 ischemic and hemorrhagic stroke patients (median age, 71 years; IQR: 67–75) were collected within 24 h of hospital admission. Samples were subjected to 16S rRNA amplicon sequencing and subsequently compared with samples obtained from 51 outpatient age- and sex-matched controls (median age, 72 years; IQR, 62–80) with similar cardiovascular risk profiles but without active signs of stroke. Plasma protein biomarkers were analyzed using a combination of nuclear magnetic resonance (NMR) spectroscopy and liquid chromatography–mass spectrometry (LC-MS). Alpha and beta diversity analyses revealed higher disruption of intestinal communities during ischemic and hemorrhagic stroke compared with non-stroke matched control subjects. Additionally, we observed an enrichment of bacteria implicated in TMAO production and a loss of butyrate-producing bacteria. Stroke patients displayed two-fold lower plasma levels of TMAO than controls (median 1.97 vs 4.03 μM, Wilcoxon p  &lt; 0.0001). Finally, lower abundance of butyrate-producing bacteria within 24 h of hospital admission was an independent predictor of enhanced risk of post-stroke infection (odds ratio 0.77, p  = 0.005), but not of mortality or functional patient outcome. In conclusion, aberrations in trimethylamine- and butyrate-producing gut bacteria are associated with stroke and stroke-associated infections.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>33052545</pmid><doi>10.1007/s12975-020-00863-4</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; SpringerLink Journals; ProQuest Central
subjects Aged
Anaerobiosis
Antibiotics
Bacteria
Biomarkers
Biomedical and Life Sciences
Biomedicine
Cardiology
Case-Control Studies
Diabetes
Gastrointestinal Microbiome
Hemorrhage
Humans
Infections
Ischemia
Metabolites
Microbiota
Neurology
Neurosciences
Neurosurgery
NMR
Nuclear magnetic resonance
Original
Original Article
Pathogenesis
Plasma
Proteins
RNA, Ribosomal, 16S - genetics
Statistical analysis
Stroke
Vascular Surgery
title Disruptions of Anaerobic Gut Bacteria Are Associated with Stroke and Post-stroke Infection: a Prospective Case–Control Study
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