Yersinia enterocolitica - Revision history

Aidan at 17:51, 9 August 2023

2023-08-09T17:51:47Z

← Older revision		Revision as of 17:51, 9 August 2023
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	* Iron overload		* Iron overload
	* Treatment with iron chelators, including [[deferoxamine]]		* Treatment with iron chelators, including [[deferoxamine]]
			* Can be acquired from blood transfusion

	==Clinical Manifestations==		==Clinical Manifestations==

	*Incubation period of [[Usual incubation period::1 to 14 days]]		*Incubation period of [[Usual incubation period::1 to 14 days]]
			*Classically causes [[Causes::gastroenteritis]]
	*[[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis
			**Fever with blood diarrhea, vomiting
			**May cause [[Causes::terminal ileitis]], which causes right lower quadrant pain mimicking [[appendicitis]] ([[Causes::pseudoappendicitis]])
	*Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs		*Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs
	*Complications include hematogenous dissemination with metastatic abscesses in the [[Causes::liver abscess\|liver]] and [[Causes::splenic abscess\|spleen]], [[Causes::mesenteric adenitis~~]], [[Causes::terminal ileitis]], and [[Causes::pseudoappendicitis~~]]		*Complications include [[Causes::bacteremia]], with hematogenous dissemination with metastatic abscesses in the [[Causes::liver abscess\|liver]] and [[Causes::splenic abscess\|spleen]] and [[Causes::mesenteric adenitis]]
			*Can also cause [[Causes::pneumonia]], [[Causes::septic arthritis]], [[Causes::meningitis]], [[Causes::panophthalmitis]], [[Causes::cellulitis]], [[Causes::empyema]], [[Causes::osteomyelitis]], and [[Causes::infective endocarditis]] or [[Causes::mycotic aneurysm]]
⚫	*Can lead to [[Causes::reactive arthritis]] ~~and~~ [[Causes::erythema nodosum]]
			**More common in immunodeficiency or iron overload
		⚫	*Can lead to post-infectious [[Causes::reactive arthritis]], [[Causes::erythema nodosum]], and [[Causes::glomerulonephritis]]

	==Management==		==Management==

Aidan: /* Clinical Manifestations */

2023-08-09T17:42:42Z

Clinical Manifestations

← Older revision		Revision as of 17:42, 9 August 2023
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	==Clinical Manifestations==		==Clinical Manifestations==

	*Incubation period of [[Usual incubation period:1 to 14 days]]		*Incubation period of [[Usual incubation period::1 to 14 days]]
	*[[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis		*[[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis
	*Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs		*Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs

Aidan: Text replacement - "[[Cellular shape::" to "[[Shape::"

2020-10-15T04:27:20Z

Text replacement - "[[Cellular shape::" to "[[Shape::"

← Older revision		Revision as of 04:27, 15 October 2020
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	=== Microbiology ===		=== Microbiology ===

	*[[Stain::Gram-negative]] [[~~Cellular shape~~::bacillus]]		*[[Stain::Gram-negative]] [[Shape::bacillus]]
	*Serogroup O:3 and O:9 have a less effective siderophore that requires presence of iron overload or iron chelation to be invasive		*Serogroup O:3 and O:9 have a less effective siderophore that requires presence of iron overload or iron chelation to be invasive

Aidan at 22:13, 13 September 2020

2020-09-13T22:13:50Z

← Older revision		Revision as of 22:13, 13 September 2020
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	==Background==		==Background==

			=== Microbiology ===

	*[[Stain::Gram-negative]] [[Cellular shape::bacillus]]		*[[Stain::Gram-negative]] [[Cellular shape::bacillus]]
			*Serogroup O:3 and O:9 have a less effective siderophore that requires presence of iron overload or iron chelation to be invasive

			=== Epidemiology ===

	*Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water		*Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water
	**Classic association with chitterlings		**Classic association with chitterlings

			=== Risk Factors ===

			* Iron overload
			* Treatment with iron chelators, including [[deferoxamine]]

	==Clinical Manifestations==		==Clinical Manifestations==
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	==Management==		==Management==

			*Stop [[deferoxamine]], if taking
	*Unclear if antimicrobial treatment is beneficial unless severe		*Unclear if antimicrobial treatment is beneficial unless severe
	*~~Generally~~ indicated in:		*Antibiotics are generally indicated in:
	**Severe disease		**Severe disease
	**Extraintestinal disease, including [[meningitis]], [[cellulitis]], [[pneumonia]], [[osteomyelitis]], and [[endocarditis]]		**Extraintestinal disease, including [[meningitis]], [[cellulitis]], [[pneumonia]], [[osteomyelitis]], and [[endocarditis]]
	**High risk populations, including the elderly, people with [[diabetes]], people with [[cirrhosis]], and immunocompromised patients		**High risk populations, including the elderly, people with [[diabetes]], people with [[cirrhosis]], and immunocompromised patients
	*Options include [[Is treated by::ciprofloxacin]], [[Is treated by::ceftriaxone]], [[Is treated by::TMP-SMX]], [[Is treated by::doxycycline]], and [[Is treated by::aminoglycosides]]		*Options include [[Is treated by::ciprofloxacin]], [[Is treated by::ceftriaxone]], [[Is treated by::TMP-SMX]], [[Is treated by::doxycycline]], and [[Is treated by::aminoglycosides]]
			**Duration typically 7 to 14 days

	[[Category:Gram-negative bacilli]]		[[Category:Gram-negative bacilli]]

Aidan at 22:10, 13 September 2020

2020-09-13T22:10:12Z

← Older revision		Revision as of 22:10, 13 September 2020
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	{{DISPLAYTITLE:''Yersinia enterocolitica''}}		{{DISPLAYTITLE:''Yersinia enterocolitica''}}

	== Background ==		==Background==

	* [[Stain::Gram-negative]] [[Cellular shape::bacillus]]		*[[Stain::Gram-negative]] [[Cellular shape::bacillus]]
	* Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water		*Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water
	** Classic association with chitterlings		**Classic association with chitterlings

	== Clinical Manifestations ==		==Clinical Manifestations==

	* Incubation period of [[Usual incubation period:1 to 14 days]]		*Incubation period of [[Usual incubation period:1 to 14 days]]
	* [[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis		*[[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis
	* Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs		*Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs
	* Complications include hematogenous dissemination with metastatic abscesses in the [[Causes::liver abscess\|liver]] and [[Causes::splenic abscess\|spleen]], [[Causes::mesenteric adenitis]], [[Causes::terminal ileitis]], and [[Causes::pseudoappendicitis]]		*Complications include hematogenous dissemination with metastatic abscesses in the [[Causes::liver abscess\|liver]] and [[Causes::splenic abscess\|spleen]], [[Causes::mesenteric adenitis]], [[Causes::terminal ileitis]], and [[Causes::pseudoappendicitis]]
	* Can lead to [[Causes::reactive arthritis]] and [[Causes::erythema nodosum]]		*Can lead to [[Causes::reactive arthritis]] and [[Causes::erythema nodosum]]

	== Management ==		==Management==

	* Unclear if antimicrobial treatment is beneficial unless severe		*Unclear if antimicrobial treatment is beneficial unless severe
			*Generally indicated in:
⚫	* Options include [[Is treated by::ciprofloxacin]] or [[Is treated by::ceftriaxone]]
			**Severe disease
			**Extraintestinal disease, including [[meningitis]], [[cellulitis]], [[pneumonia]], [[osteomyelitis]], and [[endocarditis]]
			**High risk populations, including the elderly, people with [[diabetes]], people with [[cirrhosis]], and immunocompromised patients
		⚫	*Options include [[Is treated by::ciprofloxacin]], [[Is treated by::ceftriaxone]], [[Is treated by::TMP-SMX]], [[Is treated by::doxycycline]], and [[Is treated by::aminoglycosides]]

	[[Category:Gram-negative bacilli]]		[[Category:Gram-negative bacilli]]

Aidan: Created page with "{{DISPLAYTITLE:''Yersinia enterocolitica''}} == Background == * Stain::Gram-negative Cellular shape::bacillus * Acquired from unpasteurized milk, undercooked meat (e..."

2020-08-23T12:20:33Z

Created page with "{{DISPLAYTITLE:''Yersinia enterocolitica''}} == Background == * Stain::Gram-negative Cellular shape::bacillus * Acquired from unpasteurized milk, undercooked meat (e..."

New page

{{DISPLAYTITLE:''Yersinia enterocolitica''}}

== Background ==

* [[Stain::Gram-negative]] [[Cellular shape::bacillus]]
* Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water
** Classic association with chitterlings

== Clinical Manifestations ==

* Incubation period of [[Usual incubation period:1 to 14 days]]
* [[Causes::Gastroenteritis]], often with pain isolated to right lower quadrant mimicking appendicitis
* Concurrent [[Causes::pharyngitis]] in 20%, can can be isolated from throat swabs
* Complications include hematogenous dissemination with metastatic abscesses in the [[Causes::liver abscess|liver]] and [[Causes::splenic abscess|spleen]], [[Causes::mesenteric adenitis]], [[Causes::terminal ileitis]], and [[Causes::pseudoappendicitis]]
* Can lead to [[Causes::reactive arthritis]] and [[Causes::erythema nodosum]]

== Management ==

* Unclear if antimicrobial treatment is beneficial unless severe
* Options include [[Is treated by::ciprofloxacin]] or [[Is treated by::ceftriaxone]]

[[Category:Gram-negative bacilli]]