Diferencia entre revisiones de «Septic arthritis of the hip (peds)»

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==Workup==
==Workup==
#Labs - ESR > 20 after 1-2 d, WBC >
*Labs - ESR > 20 after 1-2 d, WBC >
# Bld Cxs (40-50% grow out)
* Bld Cxs (40-50% grow out)
# Xrays  
* Xrays  
##useful to exclude other cause of joint pain (AP & Frog leg)
**useful to exclude other cause of joint pain (AP & Frog leg)
##possible effusion
**possible effusion
# CT  
* CT  
##may be useful to look for abscess, UTZ for effusion
**may be useful to look for abscess, UTZ for effusion


==Diagnosis==
==Diagnosis==
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===Kocher Criteria===
===Kocher Criteria===
#ESR > 40
*ESR > 40
#WBC > 12
*WBC > 12
#Refusal or inability to weight bear on affected joint
*Refusal or inability to weight bear on affected joint
#Fever
*Fever


*1/4 criteria met --> 3% have septic joint
*1/4 criteria met --> 3% have septic joint
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==Treatment==
==Treatment==
# OR drainage
* OR drainage
# Oxacillin, Nafcillin or Clinda in pen all
* Oxacillin, Nafcillin or Clinda in pen all
# cover H. inf as needed w/ 3rd gen ceph.
* cover H. inf as needed w/ 3rd gen ceph.
# IV abx for 10-14 days before po
* IV abx for 10-14 days before po


==External Links==
==External Links==

Revisión del 04:05 7 jun 2015

Background

  • hematogenous spread or local inf.
  • wt. bearing joints most common
  • knee (40-50%)
  • hip (20- 25%)
  • staph, S. Pneumo, group A strep
  • in neonates also Groub B strep % gram neg.

Differential Diagnosis

Pediatric limp

Hip Related

Other Causes of Limping

Workup

  • Labs - ESR > 20 after 1-2 d, WBC >
  • Bld Cxs (40-50% grow out)
  • Xrays
    • useful to exclude other cause of joint pain (AP & Frog leg)
    • possible effusion
  • CT
    • may be useful to look for abscess, UTZ for effusion

Diagnosis

  • Age - 6 mo to 8 yrs
  • Pres - Pain, Pseudoparalysis
  • may present w/ referred knee or thigh pain
  • usually hold jt in flexion, ext rotat & slt abduction.

Kocher Criteria

  • ESR > 40
  • WBC > 12
  • Refusal or inability to weight bear on affected joint
  • Fever
  • 1/4 criteria met --> 3% have septic joint
  • 2/4 --> 40%
  • 3/4 --> 93%
  • 4/4 --> 99%

Treatment

  • OR drainage
  • Oxacillin, Nafcillin or Clinda in pen all
  • cover H. inf as needed w/ 3rd gen ceph.
  • IV abx for 10-14 days before po

External Links

See Also