Ver el código de «Septic arthritis (peds)»

''This page is for <u>pediatric</u> patients; for adult patients see [[septic arthritis]].''
==Background==
*Most often in patients < 3yo
*MSSA and MRSA are most common causes in all age groups
*Patients with sickle cell disease, rheumatoid arthritis, and inflammatory bowel disease are at increased risk

==Clinical Features==
*Neonates
**Do not appear ill
**Only 50% have fever
*Older infants, toddlers, children
**Fever (>101.3), localizing signs
*Labs
**CRP >20
**WBC >12K

==Differential Diagnosis==
*[[Trauma]]
*[[Septic arthritis]]
*[[Acute Rheumatic Fever]]
*[[Reactive Arthritis (Poststreptococcal)]]
*Gonococcal arthritis
*[[Lyme disease]]
*[[Sickle cell crisis]]
*[[Henoch-Schonlein Purpura (HSP)]]
*[[Legg Calve Perthes Disease]]
*[[Slipped Capital Femoral Epiphysis (SCFE)]]
*[[Osteomyelitis]]
*[[Juvenile Idiopathic Arthritis]]
*[[Transient (Toxic) Synovitis (Hip)]]
*[[Hemophilia]]
*[[Osgood Schlatter Disease]]

==Evaluation==
===Work-Up===
*Labs
**CBC, ESR, CRP, , blood/throat cultures
*[[Arthrocentesis]]
**Cell count, gram stain, glucose, cultures

===Kocher Criteria===
*One point each
**Non-weight bearing on affected side
**ESR >40mm/hr
**Fever
**WBC >12,000
*Probability by points<ref> Kocher, MS, et al. Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm. J Bone Joint Surg Am. 1999; 81 (12):1662–70.</ref>
**1 of 4 - 3%
**2 of 4 - 40%
**3 of 4 - 93%
**4 of 4 - 99%

==Management==
#Joint drainage/wash out
#IV [[antibiotics]]

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! valign="top" bgcolor="#ffffff" align="left" rowspan="0" | Age
! valign="top" bgcolor="#ffffff" align="left" rowspan="0" | [[Microbiology (Main)|Suspected Organism]]
! valign="top" bgcolor="#ffffff" align="left" rowspan="0" | [[Antibiotics]]
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" rowspan="11" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Newborn (0–2 mo)
| valign="top" bgcolor="#ffffff" class="font12" align="left" rowspan="3" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[Staphylococcus aureus]]''
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Vancomycin]], 10 milligrams/kg every 6–8 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''or''&nbsp;
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Clindamycin]], 10 milligrams/kg every 6–8 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" rowspan="5" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Group B Streptococcus]]
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Ampicillin]], 50–100 milligrams/kg every 6 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''and''&nbsp;
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Cefotaxime]], 50 milligrams/kg every 6–8 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''or''&nbsp;
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Ceftriaxone]], 50 milligrams/kg every 12 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Gram-negative]] bacilli
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Cefotaxime]], 50 milligrams/kg every 8 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[Neisseria gonorrhoeae]]''&nbsp;
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Cefotaxime]], 50 milligrams/kg every 8 h
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Unknown
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Vancomycin]] or [[clindamycin]] ''and'' [[cefotaxime]] or [[ceftriaxone]] (dosing as above)
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" rowspan="5" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Infant (2–36 mo)
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[S. aureus]]''
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Vancomycin]] or clindamycin (dosing as above)
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[Streptococcus]]'' species
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Clindamycin]]/[[cefotaxime]]/[[ceftriaxone]] (dosing as above)
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Gram-Negative]] bacilli
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Cefotaxime or [[ceftriaxone]] (dosing as above)
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''Haemophilus influenzae''&nbsp;
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Cefotaxime]] or [[ceftriaxone]] (dosing as above)
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Unknown
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Vancomycin]] or [[clindamycin]] ''and'' [[cefotaxime]] or [[ceftriaxone]]
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" rowspan="5" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Child (>36 mo)
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[S. aureus]]''
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Vancomycin]] or [[clindamycin]]
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''Streptococcus''&nbsp;species&nbsp;
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Clindamycin]]/[[cefotaxime]]/[[ceftriaxone]]
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Gram-negative]] bacilli
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | [[Cefotaxime]] or [[ceftriaxone]]
|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | ''[[N. gonorrhoeae]]''
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|- class="font12" style="font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;"
| valign="top" bgcolor="#ffffff" class="font12" align="left" style="color: rgb(51, 51, 51); font-size: 12px; line-height: 17px; margin-top: 0px; margin-bottom: 9px; margin-left: 0px; margin-right: 0px;" | Unknown
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|}

==Disposition==
*Admit

==See Also==
*[[Septic Arthritis (General)]]
*[[Arthrocentesis]]
*[[Septic arthritis of the hip (peds)]]

==References==
<references/>

[[Category:Pediatrics]]
[[Category:Orthopedics]]
[[Category:ID]]