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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 148 - 148
1 Sep 2012
Chukwunyerenwa C Murphy T Connolly P McCormack D
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Innominate Osteotomy first described by Salter is one of the commonest procedures performed for treatment of Developmental Dysplasia of the Hip (DDH) in children. We recently described a less invasive technique for Innominate Osteotomy, which significantly reduces the operation time without compromising outcome (J Pediatr Orthop B. 2010 Jul;19(4):318–22). As part of the evolution of this procedure we now routinely use bioabsorbable pins (INION OTPS PIN, made from co-polymers of L-lactic acid, D-lactic acid and trimethylene carbonate) instead of K-wires to secure the graft.

We prospectively followed-up 120 consecutive cases done using bioabsorbale pins over a 2 year period. The surgical technique was as described in our less invasive innominate osteotomy paper. Average age at surgery was 24 months (18–52) with mean follow-up period of 15 months (6–24 months). The mean preoperative acetabular index was 36.2o. Our results show a mean acetabular index of 18.7o (P< 0.0001) at latest follow-up with no loss of correction. We recorded three superficial wound infections (one MRSA), all resolved uneventfully. There was no foreign body reaction.

The use of bioabsorbable pins eliminates the need for a second anaesthetic to remove the pins with significant cost benefit without compromising outcome.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_II | Pages 106 - 106
1 Feb 2012
Vioreanu M Robertson I O'Toole G Connolly P O'Byrne J
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Radiographic follow-up of traumatic spondylolisthesis of the axis is well documented in the literature. However, there is a paucity of studies regarding the long-term functional outcome of this type of injury.

To study the population, treatment and outcome following traumatic spondylolisthesis of the axis, we reviewed 36 consecutive patients presenting to our institution, a tertiary referral spinal trauma centre, over a 6-year period. We assessed: (a) the mechanism of injury, (b) the mode of treatment, (c) the radiographic classification using the Levine and Edwards system and (d) functional outcome using the Cervical Spine Outcomes Questionnaire (CSOQ) by BenDebba.

Of the 36 patients presenting there were 24 males and 12 females with a mean age of 46 (range18-82) years. The commonest mechanism of injury was road traffic accidents. There were 14 Type-I, 11 Type-II and 1 Type-IIA fractures. Twenty-seven patients were treated with halo vest immobilisation and nine were immobilised in a Minerva jacket. Four patients were converted from halo to Minerva because of pin failure. The mean duration of hospital stay was 10 (range 3-30) days. All fractures demonstrated radiographic union at a mean of 12 (range 10-16) weeks. There were no neurological complications. Upon review, all patients, whether Type-I or Type-II demonstrated low CSOQ scores approaching their pre-morbid status. However, Type-II fractures scored higher in 3 functional outcome categories when compared to Type-I fractures.

This unique study of an uncommon fracture shows for the first time a difference in the functional outcome scores of Type-II fractures of the axis when compared to Type-I fractures at a mean follow-up of 3 years and 10 months.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_II | Pages 108 - 108
1 Feb 2012
Malik S Murphy M Lenehan B Connolly P O'Byrne J
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We analysed the morbidity, mortality and outcome of cervical spine injuries in patients over the age of 65 years in a retrospective review of 107 elderly patients admitted to our tertiary referral spinal injuries unit with cervical spine injuries between 1994 and 2002. The data were acquired by analysis of the national spinal unit database, hospital inpatient enquiry (HIPE) system, chart and radiographic review. Mean age was 74 years (range 66-93yrs). The male to female ratio was 2.1: 1(M=72, F=35). The mean follow-up was 4.4 years (1-9 years) and mean in-hospital stay was 10 days. The mechanism of injury was a fall in 75 and a road traffic accident (RTA) in the remaining 32 patients. The overall complication rate was 18.6% with an associated in-hospital mortality of 11.2%. Outcome was assessed using the Cervical Spine Outcomes Questionnaire (CSOQ) from Johns Hopkins School of Medicine.

Functional outcome scores approached pre-morbid level in almost all patients. Functional disability was more marked in the patients with neurological deficit at the time of injury. Outcome of the injury is related to the increasing age, co-morbidity and the severity of the neurological deficit. Injuries of the cervical spine are a not infrequent occurrence in the elderly and occur with relatively minor trauma.

Neck pain in the elderly patient should be thoroughly evaluated to exclude C2 injuries. Most patients can be managed in an orthosis but unstable injuries require rigid external immobilisation.