Streptococcus bacteremia

Background

• Among all patients with Streptococcus bacteremia, the prevalence of infective endocarditis is about 7%1

Species	Risk of IE	Number of BSIs
Streptococcus pneumoniae	1.2%	2,598
Streptococcus dysgalactiae	6.6%	901
Streptococcus pyogenes	1.9%	592
Streptococcus agalactiae	9.1%	441
Streptococcus anginosus group	4.8%	437
Streptococcus mitis or oralis	19.4%	408
Streptococcus gallolyticus	30.7%	225
Streptococcus salivarius	5.8%	191
Streptococcus sanguinis	34.6%	133
Streptococcus parasanguinis	10.3%	107
Streptococcus gordonii	44.2%	95
Streptococcus constellatus	<4%	91
Streptococcus mutans	47.9%	48
Streptococcus thermophilus	<4%	45
Granulicatella adiacens	12.2%	41
Streptococcus intermedius	0%	40
Streptococcus vestibularis	low	26
Streptococcus lutetiensis	low	23
Streptococcus infantarius	low	14
Streptococcus equinus	low	12
Streptococcus peroris	0	10
Streptococcu cristatus or sinensis	44%	9
Streptococcus massiliensis	0	5
Granulicatella elegans	0	5
Streptococcus pluranimalium	0	<4
Streptococcus equi	0	<4
Streptococcus sobrinus	0	<4
Streptococcus suis	0	<4
Streptococcus alactolyticus	0	<4

Investigations

• Consider using the HANDOC score to risk stratify for need for echocardiography