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The Bone & Joint Journal
Vol. 105-B, Issue 9 | Pages 1007 - 1012
1 Sep 2023
Hoeritzauer I Paterson M Jamjoom AAB Srikandarajah N Soleiman H Poon MTC Copley PC Graves C MacKay S Duong C Leung AHC Eames N Statham PFX Darwish S Sell PJ Thorpe P Shekhar H Roy H Woodfield J

Aims

Patients with cauda equina syndrome (CES) require emergency imaging and surgical decompression. The severity and type of symptoms may influence the timing of imaging and surgery, and help predict the patient’s prognosis. Categories of CES attempt to group patients for management and prognostication purposes. We aimed in this study to assess the inter-rater reliability of dividing patients with CES into categories to assess whether they can be reliably applied in clinical practice and in research.

Methods

A literature review was undertaken to identify published descriptions of categories of CES. A total of 100 real anonymized clinical vignettes of patients diagnosed with CES from the Understanding Cauda Equina Syndrome (UCES) study were reviewed by consultant spinal surgeons, neurosurgical registrars, and medical students. All were provided with published category definitions and asked to decide whether each patient had ‘suspected CES’; ‘early CES’; ‘incomplete CES’; or ‘CES with urinary retention’. Inter-rater agreement was assessed for all categories, for all raters, and for each group of raters using Fleiss’s kappa.


The Journal of Bone & Joint Surgery British Volume
Vol. 72-B, Issue 1 | Pages 94 - 97
1 Jan 1990
Paterson M Hoffman E Roux P

We reviewed the records of 1,156 patients treated for acute staphylococcal osteitis or septic arthritis over a 12-year period; 38 had been critically ill with evidence of multiple-organ involvement and 30 (79%) had features of the toxic shock syndrome. The mortality rate of these 38 patients was 13% and the long-term orthopaedic complication rate was 39%. The diagnosis and management of patients with osteitis or septic arthritis, disseminated staphylococcal disease, and the toxic shock syndrome is discussed.


The Journal of Bone & Joint Surgery British Volume
Vol. 68-B, Issue 3 | Pages 392 - 397
1 May 1986
Paterson M Fulford P Denham R

Review of the radiographs of 882 consecutive metal-to-polyethylene hip replacements after a mean follow-up of 6.8 years showed 72 cases (8%) of aseptic femoral loosening, all of which showed a lucent zone or black line between metal and cement. In 97% of the series this appeared within two years of the arthroplasty. Progress of loosening was unpredictable and only 24% had significant symptoms. Improved technique with methylmethacrylate cement in Stanmore prostheses had reduced loosening after two years from 7.9% to 0.4%. Methods of detection of early loosening are discussed.