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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 374 - 375
1 Jul 2011
Leigh W Crawford H Street M Manners S Huang M
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Osteomyelitis continues to be a common problem amongst the paediatric population. Osteomyelitis of the calcaneus is an uncommon problem that still poses a problem to the treating physician. The purpose of this paper is to retrospectively review a large series of paediatric patients with calcaneal osteomyelitis. We compare our experience with that in the literature to determine any factors that may aid earlier diagnosis and or improve treatment outcomes.

A 10-year retrospective review was performed of clinical records of all cases of Paediatric calcaneal osteomyelitis managed at the two children’s orthopaedic departments in the Auckland region. The Osteomyelitis Database was used to identify all cases between 1997 and 2007, at Starship Children’s Hospital, and 1998 and 2008 at Middlemore’s Kids First Hospital.

Sixty patients fulfilled the inclusion criteria. The average duration of symptoms was 6.8 days. 40% of patients had a recent episode of trauma. 82% of patients could not weight bear on admission. Only 22% of patients had a temperature above 38 C. 27% of patients had positive blood cultures with Staph aureus being the most commonly cultured organism. X Rays, bone scans and MRI were all used to aid the diagnosis. ESR was elevated in 81% and the CRP was elevated in 77% of patients. 20% of patients had surgery with an average of 1.3 surgeries for those who progressed to surgery. Treatment length was an average of 2 weeks 6 days of oral antibiotics and 3 weeks 2 days of oral treatment. There was no post surgical complications and 10 readmissions, 3 for relapse, 3 for PICC line problems and 4 for antibiotic associated complications.

Although a sometimes more difficult diagnosis to make, calcaneal osteomyelitis can be diagnosed with an appropriate history, clinical examination and investigations. Treatment with intravenous and oral antibiotics and surgical debridement if indicated can lead to a good clinical outcome with minimal complications


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 375 - 375
1 Jul 2011
Puna R Huang M Crawford H Karpik K
Full Access

Acute haematogenous osteomyelitis in children is relatively uncommon but delay in diagnosis and inadequate treatment can result in significant morbidity. Most recently evidence has suggested conservative treatment with adequate antibiotic therapy should be the mainstay, with provision for surgical intervention in those who fail to respond to conservative management. The outcome of primary management has been evaluated in this review.

Retrospective analysis of an osteomyelitis database was conducted on individuals presenting to Auckland’s Starship and Middlemore Hospital with an ICD-10 diagnosis of Osteomyelitis between January the 1st 1999 and December the 31st 2008.

813 children fulfilled the criteria for inclusion into this review. The annual incidence of acute haematogenous osteomyelitis in the paediatric population in Auckland over this period was approximately 1:4,000. 64% were male and 36% were female. The majority were New Zealand European (35%), with the other significant ethnic groups represented being New Zealand Maori (22%), and Pacific Island (30%). 23% of patients were aged less than three. 51% of patients were between three and ten, and 26% older than ten. Only 32% had an elevated white cell count on admission. A responsible pathogen was isolated in 50% with the most common being Staphylococcus aureus, which was isolated in 77% of this group. Diagnosis was made radiologically in 66%, clinically in 27%, and surgically after exploration in 7%. The most common site of osteomyelitis was the femur in 254 individuals, followed by the tibia in 198 individuals. 49 had multi-focal involvement. Flucloxacillin was the most common antibiotic used, with 510 individuals being administered flucloxacillin at one point in time during their management. The average length of treatment was 43.7 days, which included intravenous therapy of 22.3 days, and oral therapy of 21.4 days. 60% had a range of duration of therapy from greater than three weeks through to six weeks. 44% required surgical intervention. The relapse rate was 6.8%. The average duration till relapse was 5.8 months. Only 1.7% of the total population went on to develop chronic osteomyelitis.

The incidence of paediatric acute haematogenous osteomyelitis in this population appears to be relatively high. The average length of treatment was longer than that now reported to be successful for eradication. This could possibly be a factor in the relatively low rate of relapse and low subsequent rate of chronic osteomyelitis.