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The Bone & Joint Journal
Vol. 102-B, Issue 8 | Pages 1048 - 1055
1 Aug 2020
Cox I Al Mouazzen L Bleibleh S Moldovan R Bintcliffe F Bache CE Thomas S

Aims

The Fassier Duval (FD) rod is a third-generation telescopic implant for children with osteogenesis imperfecta (OI). Threaded fixation enables proximal insertion without opening the knee or ankle joint. We have reviewed our combined two-centre experience with this implant.

Methods

In total, 34 children with a mean age of five years (1 to 14) with severe OI have undergone rodding of 72 lower limb long bones (27 tibial, 45 femoral) for recurrent fractures with progressive deformity despite optimized bone health and bisphosphonate therapy. Data were collected prospectively, with 1.5 to 11 years follow-up.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_9 | Pages 14 - 14
1 Aug 2015
Jamjoom B Cooke S Ramachandran M Thomas S Butler D
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The aim was to assess contemporary management of slipped capital femoral epiphysis (SCFE) by surveying members of the British Society of Children's Orthopaedic Surgery (BSCOS).

A questionnaire with 5 case vignettes was used. Two questions examined the timing of surgery for an acute unstable SCFE in a child presenting at 6 hours and at 48 hours after start of symptoms. Two further questions explored the preferred method of fixation in mild and severe stable SCFE. The final question examined the management of the contralateral normal hip. Responses were entered into an Excel spreadsheet and the data w analysed using a chi-squared test.

The response rate was 56% (110/196). 88.2% (97/110) responded that if a child presented with an acute unstable SCFE within 6 hours, they would treat it within 24 hours of presentation, compared with 40.9% (45/110) for one presenting 48 hours after the onset of symptoms (P<0.0001). 52.6% (58/110) of surveyed BSCOS members would offer surgery for an unstable SCFE between 1 and 7 days after onset of symptoms. Single screw fixation in situ was advocated by 96.4% (106/110) and 70.9% (78/110) while corrective osteotomy was preferred by 1.8% (2/110) and 26.4% (29/110) of respondents for the mild and the severe stable slips respectively (P<0.0001). Surgeons preferring osteotomy are more likely to perform an intracapsular technique. Prophylactic fixation of the contralateral normal hip was performed by 27.3% (30/110) of participants.

There are significant differences in opinions between BSCOS members as to the optimal management of SCFE in children. This reflects the variable recommendations and quality in the current scientific literature. Further research is therefore required to determine best practice and enable consensus to be reached.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_9 | Pages 15 - 15
1 Aug 2015
Bennet S Thomas S
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The unwell child with an acutely irritable hip poses a diagnostic dilemma. Recent studies indicate that pericapsular myositis may be at least as common as joint infection in the septic child. MRI might therefore be a critical first step to avoid unnecessary hip drainage surgery in the septic child with hip symptoms.

We reviewed our own experience with MR imaging in this setting.

We searched our PACS system to retrieve MRI scans performed for children with suspected hip sepsis from August 2008 to August 2014 using the following terms: hip, septic arthritis, osteomyelitis, mysositis, abscess, femur, acetabulum. 56 cases fulfilled inclusion criteria that included acute presentation with hip symptoms and 2 or more Kocher criteria for septic arthritis. Recent unsuccessful hip washout was not a contra-indication.

56 patients presented with acute infection around the hip. 47 (84%) had MRI scans before any surgical intervention and 9 (16%) had scans promptly following unsatisfactory hip washout with failure to improve.

20 (36%) were found to have pericapsular myositis. In this group, the infection commonly involved the iliopsoas (4), gluteal (4), piriformis (5) or obturator (7) muscles. 15 (27%) children had proximal femoral or acetabular osteomyelitis and 8 (14%) were diagnosed with septic arthritis. The 13 (23%) remaining scans did not show infection around the hip.

This study confirms a high rate of extracapsular foci in septic children presenting with hip irritability. Less than 20% had actual septic arthritis in this series. While drainage of a septic joint should never be delayed in the face of a large joint effusion with debris on US, there is a clear role for MRI scanning in the acute setting when the diagnosis is less certain.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_24 | Pages 12 - 12
1 May 2013
Bintcliffe FAC Thomas S
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Aim

Since 2008 we have been using third generation Fassier Duval (FD) telescopic rods for children with complex and severe osteogenesis imperfecta (sOI). We present our experience with the technique.

Method

8 children with sOI have undergone rodding of 16 lower limb long bones; 6 tibial, 10 femoral. 3 were revision procedures, exchanging previous Sheffield rods that had been implanted with the female portion only. Indications were recurrent fracture and/or progressive deformity. Age range and follow up are 2–12 and 0.4–4.75 years respectively. All but one of the procedures were performed by a single surgeon.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_6 | Pages 7 - 7
1 Feb 2013
Tarassoli P Gargan M Atherton G Thomas S
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Purpose

To compare the early medial open approach (MO) with the anterior approach (AO) performed after the appearance of the ossific nucleus for DDH that has failed closed reduction or presented late.

Methods

We present the experience of 2 UK surgeons with prospectively gathered data for MO (26 hips) compared with that of a third surgeon in the same unit for the AO (21 hips) in 41 children under 24 months of age at index surgery. Femoral head osteonecrosis (FHO) risk was predicted using the height-to-width index of Bruce et al, measured at 12–18 months post reduction, and graded with the Kalamchi and MacEwen classification where follow-up exceeded 3 years. Acetabular index (AI) was measured at or close to 2 years post reduction.