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  • Title: Clinical Manifestations, Management, and Outcomes of Osteitis/Osteomyelitis Caused by Mycobacterium bovis Bacillus Calmette-Guérin in Children: Comparison by Site(s) of Affected Bones.
    Author: Huang CY, Chiu NC, Chi H, Huang FY, Chang PH.
    Journal: J Pediatr; 2019 Apr; 207():97-102. PubMed ID: 30577978.
    Abstract:
    OBJECTIVE: To evaluate the clinical manifestations, management, and outcomes of Mycobacterium bovis Bacillus Calmette-Guérin (BCG) osteitis/osteomyelitis. STUDY DESIGN: We reviewed 71 cases of BCG osteitis/osteomyelitis registered in Taiwan's vaccine injury compensation program (VICP) in 1998-2014. Demographic, clinical, laboratory, treatment, and outcome data were compared according to site(s) of infection. RESULTS: Involvement of a long bone of the lower extremity was present in 36.6% of the children, followed by foot bone (23.9%), rib or sternum (15.5%), upper extremity long bone (9.9%), hand bone (7%), multiple bones (4.2%), and vertebrae (2.8%). Children with lower extremity long bone involvement had a longer interval from receipt of BCG vaccine to presentation (median, 16.0 months; P = .02), and those with foot bone infection had higher rates of swelling (94.1%; P = .02) and local tenderness (76.5%; P = .004). Surgical intervention was performed in 70 children, with no significant difference in the number of procedures by site (median, 1.0 procedure per patient). Among the 70 children who received antimicrobial therapy, those with vertebral and multifocal infections had a longer duration of treatment (P < .001) and/or second-line antituberculosis medications (P = .002). Three children with vertebral and multifocal infections had major sequelae with kyphosis or leg length discrepancy. Outcomes were good for children with involvement of the ribs, sternum, and peripheral bones without multifocal involvement. The average time for functional recovery was 6.2 ± 3.9 months. CONCLUSION: Children with BCG osteitis/osteomyelitis in different bones had distinct presentations and outcomes. Pediatricians should consider BCG bone infection in young vaccinated children with insidious onset of signs and symptoms, and consider affected site(s) in the management plan.
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