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Table 2 Results of the microbiological investigations performed in 92 critically ill patients with severe SARS-CoV-2 pneumonia

From: Bacterial and viral co-infections in patients with severe SARS-CoV-2 pneumonia admitted to a French ICU

 

Performed among 92 critically ill patients with SARS-CoV-2 pneumonia

N, (%)

Results

N (%)

Culture of respiratory tract secretions sample

67 (73%)

Sterile

24 (36%)

 Sputum

16

   Pathogenic bacteriaa

19 (28%)

 Tracheal aspirate

39

      Staphylococcus aureus

6

 Protected distal sampling

12

      Haemophilus influenzae

6

      Streptococcus pneumonia

5

      Escherichia coli

2

      Klebsiella pneumoniae

2

      Enterobacter cloacae

1

      Pseudomonas aeruginosa

1

      Acinetobacter baumannii

1

Oropharyngeal flora

24 (36%)

Legionella pneumophila urinary antigen test (BinaxNOW®—Abbott)

88 (96%)

Negative

88 (100%)

Positive

0

Streptococcus pneumoniae urinary antigen test (BinaxNOW®—Abbott)

88 (96%)

Negative

87 (99%)

Positive

1

Blood cultures

80 (87%)

Sterile

79 (99%)

   Staphylococcus aureus

1

Multiplex PCRs (Film Array Biomerieux®)

56 (61%)

No pathogen detected

45 (80%)

 Panel RP2 plus on nasopharyngeal swab

26

   Bacteria

 Panel Pneumonia Plus on respiratory tract secretions

30

      Staphylococcus aureus

5

      Haemophilus influenzae

4

      Pseudomonas aeruginosa

2

      Moraxella catarrhalis

1

      Acinetobacter baumannii

1

      Streptococcus pneumonia

1

      Enterobacter cloacae

0

      Escherichia coli

0

      Klebsiella aerogenes

0

      Klebsiella oxytoca

0

      Klebsiella pneumoniae

0

      Proteus spp.

0

      Serratia marcescens

0

      Streptococcus agalactiae

0

      Streptococcus pyogenes

0

      Bordetella pertussis

0

      Bordetella parapertussis

0

   Atypical bacteria

      Chlamydophila pneumoniae

0

      Mycoplasma pneumoniae

0

      Legionella pneumophila

0

   Viruses

      Influenza A

0

      Influenza B

0

      Adenovirus

0

      Respiratory Syncytial virus

0

      Coronavirus HKU1, NL63, 229E, OC43

0

      MERS Coronavirus

0

      Human metapneumovirus

0

      Rhinovirus/enterovirus

0

      Parainfluenza virus 1, 2, 3 and 4

0

Influenza A and B specific PCR

13 (14%)

Negative

13 (100%)

Positive

0 (0%)

  1. aIn five patients, two pathogenic bacteria were isolated in the same sample