The bacterial aetiology of pleural empyema

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The bacterial aetiology of pleural empyema The bacterial aetiology of pleural empyema. A descriptive and comparative metagenomic study  R. Dyrhovden, R.M. Nygaard, R. Patel, E. Ulvestad, Ø. Kommedal  Clinical Microbiology and Infection  DOI: 10.1016/j.cmi.2018.11.030 Copyright © 2018 The Author(s) Terms and Conditions

Clinical Microbiology and Infection DOI: (10.1016/j.cmi.2018.11.030) Copyright © 2018 The Author(s) Terms and Conditions

Fig. 1 UniFrac-analysis of empyemas. Phylogenetic tree of unweighted (a) and weighted (b) UniFrac-analysis of all included pleural empyemas. Each number represents one sample. CAP, fulfilment of diagnostic criteria for community-acquired pneumonia (CAP) and identification of bacteria known to cause CAP: Streptococcus pneumoniae, Staphylococcus aureus, Pseudomonas aeruginosa and Streptococcus pyogenes. Clinical Microbiology and Infection DOI: (10.1016/j.cmi.2018.11.030) Copyright © 2018 The Author(s) Terms and Conditions

Fig. 2 Venn diagram analysis comparing species found in 27 empyemas of poorly described aetiology and 25 brain abscesses with assumed oral/sinus origin. The numbers in parenthesis are the total number of species found in each group. In the middle column, the first number in parenthesis represents empyemas and the second brain abscesses. Clinical Microbiology and Infection DOI: (10.1016/j.cmi.2018.11.030) Copyright © 2018 The Author(s) Terms and Conditions

Fig. 3 Comparative UniFrac-analysis of empyemas and brain abscesses. Principal Coordinates Analysis of unweighted (a) and weighted (b) UniFrac-analysis of the 27 empyemas of poorly described aetiology and 25 oral/sinus-derived brain abscesses. The figure shows no clear clustering into separate groups. Each dot represents one sample. Clinical Microbiology and Infection DOI: (10.1016/j.cmi.2018.11.030) Copyright © 2018 The Author(s) Terms and Conditions