Ch.86 Synovial and Osseous Infection

Question 1

Antimicrobial impregnated POP can be useful in what cases

Answer 1

P-Type osteomyelitis

Question 2

Epidural catheter dose of morphine w xylem/detomidine

Answer 2

0.1mg/kg morphine
0.03mg/kg detomodine
or
0.17mg/kg xylazine

Question 3

Rate of complications using a 22g butterfly for RLP

Answer 3

12.26%

Question 4

Complication rate of indwelling RLP catheters

Answer 4

27%

Question 5

Septic arthritis and osteomyelitis is estimated to affect what % of foals in neonatal ICU

Answer 5

1-13%

Question 6

What bacteria are most commonly cultured from foals with synovial sepsis

Answer 6

G- 62.5%
G+ 37.5%

E. coli
Actinobacillus spp
Kliebsiella spp

Coagulation + Staph
Alpha haemolytic Strep

Question 7

What are S-Type infections

Answer 7

Only synovial membrane or fluid

Question 8

S-type infections occur in what demographic

Answer 8

Very young foals <2weeks
Multi limb lameness or generalised systemic illness

Question 9

What are E-type infections

Answer 9

Articular epiphyseal complex or the bone adjacent to the articular cartilage

Often distal femur
Talus
Prox/dist radius
distal tibia
patella

Question 10

E-type infections occur in what demographic

Answer 10

Older foals
Multiple joints
Hx of pneumonia, diarrhoea

Question 11

What are P-type infections

Answer 11

Long bone physis
Can extend into attachment of the joint capsule
Peripheral margins of the physis
Distal tibia
MC/MT III
Distal radial physis

Strep
Rhodococcus
Actinobacillus
E.coli
Salmonella

Question 12

P-type infections occur in what demographic

Answer 12

Older foals - weeks-months
Healthy w no hx of systemic disease

Question 13

Removal of OCD frags of what size are associated with SSI

Answer 13

> 40mm

Question 14

Hematogenous spread of bacteria to synovial structures is uncommon in adults but when it occurs it typically involves what structures

Answer 14

Bursae
Bicipital
Calcaneal
Atlantal…

Prox sesamoids