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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 156 - 156
1 Apr 2012
Bhattacharya D Cooke R Nagaria J
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Thoracic spinal cord herniation is a relatively uncommon syndrome of anterior hemi cord dysfunction. However it has been reported in literature with increasing frequency over the last decade. Since the initial description of this clinical entity by Weitzman et al. in 1974, more than 100 cases have been described.

Although clinical features may vary considerably, as a clinical syndrome it is now widely recognized, and remains a potentially treatable cause of thoracic cord dysfunction.

Anterior spinal or thoracic cord herniation remains an uncommon yet a potentially treatable cause of thoracic myelopathy. Patients usually present in their middle ages, and literature suggests that there is a female predominance. The presenting symptom is usually a Brown Sequard syndrome, although other symptoms suggestive of thoracic cord dysfunction may be present. Although the symptoms are insidious the condition may lead to progressive paraparesis. The herniation is usually through a dural defect, the cause of which open to speculation. Operative treatment is advised, as the outcomes are generally favourable.

As part of a continued focus on this clinical syndrome we describe below a series of 4 patients with thoracic spinal cord hernias that presented to our neurosurgical service over the past 3 years and our experience in the treatment of this condition. Apart from one patient, in whom there possibly was an iatrogenic factor, the rest were all purely idiopathic. All the patients underwent surgical treatment and their outcomes were generally favorable.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 274 - 274
1 May 2006
Mestha P Catchpole M James S Cooke R
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Aim: To determine the surgical site infection (SSI) rates for prosthetic hip and knee replacement surgery.

Materials and Methods: Between April 2002 and March 2003 the Infection Control team in conjunction with the Orthopaedic Department had participated in national surveillance project to determine the surgical site infection rates for prosthetic hip and knee replacement surgery. Information was collected relating to surgeon specific data and patient risk index. Each surgeon was given a unique confidential code and patients intrinsic risk of infection calculated based on ASA grade, wound class and the duration of surgery.

Results: During the first year of surveillance 455 prosthetic hip replacements were undertaken (i.e. hemiarthroplasty, primary and revision surgery). A total of 12 patients were identified with an SSI giving an average of 2.6% compared with national figure of 3.0%. Out of this 25% (3) superficial and 75%(9) deep-seated infection with Methicillin Sensitive Staphylococcus Aureus (MSSA) and MRSA being the commonest organisms.

234 prosthetic knee replacements (Primary and Revisions) were carried out over the same period of time with 7 cases identified with SSI, an average incidence of 3% compared with national average of 1.6%. Three were superficial and four with deep infection with MRSA, MSSA and coagulase negative staphylococci being the commonest organisms.

MRSA containment policy was introduced in November 2002 with pre operative screening,” ring fencing” orthopaedic patients and improved awareness of cross infection. Since then over the last 4 months of this study the incidence of SSI has fallen from 3.3% to 1.9% in prosthetic hip surgery and 5.8% to 0.7% in prosthetic knee surgery in comparison to previous quarter.

Conclusion: Significant cost and morbidity are associated with infection of the prosthetic joint. With simple measures like improved awareness of cross infection among the staff and relatives, ”ring fencing” orthopaedic patients and pre operative screening surgical site infection rate can be reduced.