Flashcards in CNS Infections Deck (14):
What are 4 dental related CNS infections?
What are the 2 main ways to cause CNS infection from oral illness?
1-Direct extension of acute oral infections (Caries/pulpitis, Periodontitis, Abscess, NUG)
Which CNS condition is the most common infection from secondary dental pathology, results in changes in consciousness, focal neurologic signs, vomiting and fever?
*Oral pathology, procedures, immunocompromise, heart disease, skull fx, meningitis, sinus infection; all risk factors
The liquefactive nature of a bacterial abscess in the brain is treated in what two ways?
What organism is a branching filamentous bacteria that is gram positive, non-acid fast, is normal oral flora and aerobic/microaerophilic?
Which organism family is the most common neurosurgical organism in immunocompromised patients?
*Aspergillus, Zygomycetes, Candida, Crytococcus neoformans, dimorphic fungi
What organism is the most common pathogen of brain infection, presents with focal symptoms, and is treated by aggressive surgical excision as well as amphotericin B + flu cytosine?
*Can be single/multiple abscess, granulomata, infarcted brain
Which organism presents as rapid facial swelling, is wide and ribbon like with 90 degree branching and is a risk factor is diabetics and immunosuppressed patients?
*Mucor, Rhizomucor, Rhizopus
Which organism rarely causes CNS infection, is treated through multimodal antifungals and can cause meningitis, encephalitis or abscess?
What are 4 CNS infections not orally related?
What two parasitoses are caused by helminths and protozoa respectively?
Helminth- Neurocystercercosis (taenia solum)
Protozoa- Toxoplasmosis (toxoplasma gondii)
What non-dental organism causes neurosyphilis (treponema palladium) lyme disease (barrel burgdorferi) and are uncommon neurosurgical specimens?
What are the two main issues causes by Herpes virus?
1-Herpetic gingivostomatitis (very common)
2-Herpes simplex encephaliits (rare)