Enterococcus - Revision history

Aidan at 20:04, 13 May 2026

2026-05-13T20:04:23Z

← Older revision		Revision as of 20:04, 13 May 2026
Line 40:		Line 40:
	** [[Piperacillin]] is effective, as well, but not [[cloxacillin]]		** [[Piperacillin]] is effective, as well, but not [[cloxacillin]]
	* Inherent resistance to [[cephalosporins]]		* Inherent resistance to [[cephalosporins]]
	* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]][[CiteRef::fraenkel2006in]][[CiteRef::~~10.1093/jac/39.2.149~~]]		* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]][[CiteRef::fraenkel2006in]][[CiteRef::endtz1997co]]

	===VRE===		===VRE===

Aidan: /* Microbiology */

2026-05-13T20:03:02Z

Microbiology

← Older revision		Revision as of 20:03, 13 May 2026
Line 4:		Line 4:
	===Microbiology===		===Microbiology===

	*Genus of facultative anaerobic, non-spore-forming, [[Hemolysis pattern::α-hemolytic\|~~alpha~~-]] or [[Hemolysis pattern::γ-hemolytic\|~~gamma~~-hemolytic]], catalase [[Catalase::negative]], [[Stain::Gram-positive]] [[Shape::coccus\|cocci]]		*Genus of facultative anaerobic, non-spore-forming, [[Hemolysis pattern::alpha-hemolytic\|α-hemolytic]] or [[Hemolysis pattern::gamma-hemolytic\|γ-hemolytic]], catalase [[Catalase::negative]], [[Stain::Gram-positive]] [[Shape::coccus\|cocci]]
	*Grows on bile esculin agar		*Grows on bile esculin agar
	*[[PYR test\|PYR]] positive		*[[PYR test\|PYR]] positive

Aidan at 14:45, 14 November 2025

2025-11-14T14:45:30Z

← Older revision		Revision as of 14:45, 14 November 2025
Line 40:		Line 40:
	** [[Piperacillin]] is effective, as well, but not [[cloxacillin]]		** [[Piperacillin]] is effective, as well, but not [[cloxacillin]]
	* Inherent resistance to [[cephalosporins]]		* Inherent resistance to [[cephalosporins]]
	* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]][[CiteRef::fraenkel2006in]]		* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]][[CiteRef::fraenkel2006in]][[CiteRef::10.1093/jac/39.2.149]]

	===VRE===		===VRE===

Aidan at 14:42, 14 November 2025

2025-11-14T14:42:17Z

← Older revision		Revision as of 14:42, 14 November 2025
Line 37:		Line 37:

	* [[Vancomycin]] is usually reliable (except for [[Enterococcus gallinarum]] and [[Enterococcus casseliflavus]])		* [[Vancomycin]] is usually reliable (except for [[Enterococcus gallinarum]] and [[Enterococcus casseliflavus]])
	* [[Ampicillin]] is preferred for susceptible strains		* [[Ampicillin]] or [[amoxicillin]] is preferred for susceptible strains
			** [[Piperacillin]] is effective, as well, but not [[cloxacillin]]
	* Inherent resistance to [[cephalosporins]]		* Inherent resistance to [[cephalosporins]]
	* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]]		* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]][[CiteRef::fraenkel2006in]]

	===VRE===		===VRE===

Aidan at 20:36, 23 September 2024

2024-09-23T20:36:27Z

← Older revision		Revision as of 20:36, 23 September 2024
Line 22:		Line 22:
	**Less susceptible to antibiotics		**Less susceptible to antibiotics
	**Most common VRE		**Most common VRE
			*[[Enterococcus avium]]
	*[[Enterococcus gallinarum]]		*[[Enterococcus gallinarum]]
	*[[Enterococcus casseliflavus]]		*[[Enterococcus casseliflavus]]

Aidan at 17:40, 19 September 2024

2024-09-19T17:40:26Z

← Older revision		Revision as of 17:40, 19 September 2024
Line 43:		Line 43:

	*[[Is treated by::Daptomycin]], [[Is treated by::doxycycline]], [[Is treated by::linezolid]], [[Is treated by::tedizolid]], [[Is treated by::oritavancin]], [[Is treated by::quinupristin-dalfopristin]] (for ''E. faecium'')		*[[Is treated by::Daptomycin]], [[Is treated by::doxycycline]], [[Is treated by::linezolid]], [[Is treated by::tedizolid]], [[Is treated by::oritavancin]], [[Is treated by::quinupristin-dalfopristin]] (for ''E. faecium'')
	*For VanC isolates, [[ampicillin]] or [[penicillin]] is preferred, and [[daptomycin]] susceptibility is often retained<ref>Jorgensen JH, Crawford SA, Kelly CC, Patterson JE. In vitro activity of daptomycin against vancomycin-resistant enterococci of various Van types and comparison of susceptibility testing methods. ''Antimicrob Agents Chemother''. 2003 Dec;47(12):3760-3. doi: [~~https~~:~~//doi.org/10.1128%2FAAC.47.12.3760-3763.2003 10.1128/AAC.47.12.3760-3763.2003]. PMID~~: ~~[https://pubmed.ncbi.nlm.nih.gov/14638478 14638478~~]~~; PMCID: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC296189/ PMC296189~~]~~.</ref>~~		*For VanC isolates, [[ampicillin]] or [[penicillin]] is preferred, and [[daptomycin]] susceptibility is often retained[[CiteRef::jorgensen2003in]]

	{{DISPLAYTITLE:''Enterococcus''}}		{{DISPLAYTITLE:''Enterococcus''}}

Aidan: /* Management */ added VanC comment

2022-11-07T16:06:04Z

Management: added VanC comment

← Older revision		Revision as of 16:06, 7 November 2022
Line 43:		Line 43:

	*[[Is treated by::Daptomycin]], [[Is treated by::doxycycline]], [[Is treated by::linezolid]], [[Is treated by::tedizolid]], [[Is treated by::oritavancin]], [[Is treated by::quinupristin-dalfopristin]] (for ''E. faecium'')		*[[Is treated by::Daptomycin]], [[Is treated by::doxycycline]], [[Is treated by::linezolid]], [[Is treated by::tedizolid]], [[Is treated by::oritavancin]], [[Is treated by::quinupristin-dalfopristin]] (for ''E. faecium'')
			*For VanC isolates, [[ampicillin]] or [[penicillin]] is preferred, and [[daptomycin]] susceptibility is often retained<ref>Jorgensen JH, Crawford SA, Kelly CC, Patterson JE. In vitro activity of daptomycin against vancomycin-resistant enterococci of various Van types and comparison of susceptibility testing methods. ''Antimicrob Agents Chemother''. 2003 Dec;47(12):3760-3. doi: [https://doi.org/10.1128%2FAAC.47.12.3760-3763.2003 10.1128/AAC.47.12.3760-3763.2003]. PMID: [https://pubmed.ncbi.nlm.nih.gov/14638478 14638478]; PMCID: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC296189/ PMC296189].</ref>

	{{DISPLAYTITLE:''Enterococcus''}}		{{DISPLAYTITLE:''Enterococcus''}}

Aidan at 15:51, 7 November 2022

2022-11-07T15:51:38Z

← Older revision		Revision as of 15:51, 7 November 2022
Line 13:		Line 13:
	===Species===		===Species===

	*~~''E.~~ faecalis''		*[[Enterococcus faecalis]]
	**More common (90-95%)		**More common (90-95%)
	**More commonly genitourinary source		**More commonly genitourinary source
	**More susceptible to antibiotics		**More susceptible to antibiotics
	*~~''E.~~ faecium''		*[[Enterococcus faecium]]
	**Less common (5-10%)		**Less common (5-10%)
	**More commonly gastrointestinal source		**More commonly gastrointestinal source
	**Less susceptible to antibiotics		**Less susceptible to antibiotics
	**Most common VRE		**Most common VRE
	*~~''E.~~ gallinarum''		*[[Enterococcus gallinarum]]
	*~~''E.~~ casseliflavus''		*[[Enterococcus casseliflavus]]
	*~~''E.~~ hirae'', a rare zoonotic pathogen from chickens that can cause bacteremia and endocarditis		*[[Enterococcus hirae]], a rare zoonotic pathogen from chickens that can cause [[bacteremia]] and [[endocarditis]]

	===Vancomycin Resistance===		===Vancomycin Resistance===
Line 35:		Line 35:
	==Management==		==Management==

	* [[Vancomycin]] is usually reliable (except for E. gallinarum and E. casseliflavus)		* [[Vancomycin]] is usually reliable (except for [[Enterococcus gallinarum]] and [[Enterococcus casseliflavus]])
	* [[Ampicillin]] is preferred for susceptible strains		* [[Ampicillin]] is preferred for susceptible strains
	* Inherent resistance to [[cephalosporins]]		* Inherent resistance to [[cephalosporins]]

Aidan: /* Management */

2022-07-19T17:35:33Z

Management

← Older revision		Revision as of 17:35, 19 July 2022
Line 38:		Line 38:
	* [[Ampicillin]] is preferred for susceptible strains		* [[Ampicillin]] is preferred for susceptible strains
	* Inherent resistance to [[cephalosporins]]		* Inherent resistance to [[cephalosporins]]
	* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (~~somewhat~~) [[meropenem]]		* Resistant to [[ertapenem]], but ampicillin-susceptible strains are often susceptible to [[imipenem]] and (less reliably) to [[meropenem]]

	===VRE===		===VRE===

Aidan: Aidan moved page Enterococcus species to Enterococcus without leaving a redirect

2022-03-12T23:15:13Z

Aidan moved page Enterococcus species to Enterococcus without leaving a redirect

← Older revision	Revision as of 23:15, 12 March 2022
(No difference)