Joint Fluid Cell Count in Acute Bacterial Arthritis Patients Proven Positive Culture in Children.
Pediatr Infect Dis J
; 43(7): 640-642, 2024 Jul 01.
Article
in En
| MEDLINE
| ID: mdl-38451922
ABSTRACT
BACKGROUND:
Acute bacterial arthritis (ABA) is a serious, pediatric infection that can result in motor comorbidities. Normally, a joint fluid white blood cell (WBC) count of 50,000 or more cells/mm 3 is used to make a presumptive diagnosis of ABA. This study evaluated the utility of the joint fluid WBC count for diagnosing pediatric ABA confirmed by a positive culture result.METHODS:
Patients with ABA between March 2010 and March 2023 at Tokyo Metropolitan Children's Medical Center were included. ABA was confirmed by positive joint fluid culture results for a pathogenic organism. Patients with negative results and those without a joint fluid WBC count were excluded. Electronic medical records were retrospectively reviewed for demographic data, timing of arthrocentesis, culture results and the joint fluid WBC count.RESULTS:
Ninety-five patients with ABA were identified; of these, 22 were included. The median age was 5 years [interquartile range (IQR) 2-10 years]. Males comprised 55% of the population. The median joint fluid WBC count was 19,575 (IQR 6806-47,388) cells/mm 3 , and 23% of the patients had 50,000 cells/mm 3 or more. The median time from symptom onset to arthrocentesis was 3 days (IQR 2-5 days). The isolated organisms were methicillin-susceptible Staphylococcus aureus (50%), methicillin-resistant S. aureus (9%), Streptococcus pyogenes (27%), Streptococcus pneumoniae (5%), Klebsiella pneumoniae (5%) and Salmonella spp. (5%).CONCLUSIONS:
Most of the patients with ABA confirmed by positive results of a joint fluid culture had a joint fluid WBC count of less than 50,000 cells/mm 3 .
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Synovial Fluid
/
Arthritis, Infectious
Limits:
Child
/
Child, preschool
/
Female
/
Humans
/
Male
Language:
En
Journal:
Pediatr Infect Dis J
Journal subject:
DOENCAS TRANSMISSIVEIS
/
PEDIATRIA
Year:
2024
Document type:
Article
Country of publication: