septic arthritis exam 2 Flashcards
what are some iatrogenic causes of septic arththris
arthroscopy, arthrocentesis, fracture repair
what is the pathogenesis for septic arthritis
loss of PG
jt effusion
painful
compromose synovial blood flow
what are some complications with septic arthtiris
euthanasia
contralateral limb lamness
what are some complications with septic arththris
djd
acute synoviits with suppurative effusion
capsular fibrisosis
what are the types of septic arthritis in foal
S,E,P
in the s type what age does it affect
<1 week
what are cs seen with septic arthriitis
severe lameness, and effusion
are multiple joints affected in the s type
si :)
what are the most common jts affect with the s type
tibiotarsal and stilfe
are there multiple jts involved in the e type
si!
at what age does e type affect
weeks old
what are the most common jts affected in e type
distal femur, talus, tibia, and radius
what are cs seen in e type
mild intermittent lameness, fever, then acute exacerbation of lameness effusion
what age is seen in the p type
weeks to months
does the p type affect more than one jt??
usually only one site!
what are the sites seen in the p form
distal physis of MC3 AND MT3, radius, tibia
would we like to debride the p type
NO WAY! will damage physis casusing premature closure
in the synovial fluid of a foal with septic arthritis what color will you see
normal to cloudy,red, orange, and pink
what will be the synovial cell count with a foal with septic arthritits
>50,000 cell count >90%neut
foal- you must ID all jts involved and U/S what?
the umbilicus
what is the most common risk factor with adults with septic arthritis
iatrogenic
T/F an open jt is an infected jt in adults
YES!SO TRUE
if abx and not getting better what should u do
fungal culture
should i know this?
why should you tap away from the wound
you can possibly infect it
to be successful must have rapid recognititon of dz n immediate aggresssive tx T OR F
true
what is the mainstay tx for septic arthtriits
LAVAGE LARGE VOL OF 5-10L
Do we add chlorhexidine and iodine to lavage?
NO!
it doesnt work and causes inflammation
when do we stop abx
minimum of 30d and 2weeks beyond resolutionof cs
what is the caution when tx multiple jts
DONT EXCEED DAILY TOTAL SYSTEMIC DOSE
what do we need to remember about NSAIDS
they can mask pain false impresion of sucess
