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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 560 - 560
1 Sep 2012
Kodumuri P Kerr H Geutjens G
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Septic Arthritis is an important life threatening condition affecting all age groups with a mortality of up to 11%. Our aim was to perform a study of the demographics, length of stay, complications and investigate if time delay of surgical treatment from the time of diagnosis has an impact on mortality and morbidity of the patients.

Methods

We performed a retrospective study of all the patients presented to our Hospital between 2005 and 2009 with septic arthritis who underwent arthroscopic lavage as definitive intervention. We excluded the patients involving minor joints. Data collection was performed from case notes, microbiology and haematology laboratory results. We divided the patients into three groups based on the time from diagnosis to arthroscopic lavage as T1 (less than 12 hours), T2 (12–24 hours) and T3 (more than 24 hours).

Our primary outcome measures were mortality and complications such as Intensive Care Admission. Secondary outcome measures included average length of stay in each group.

Results

A total of 57 patients were evaluated. The average age of the patients was 49.7 (10 months–94 years). 2 patients of T1 group died (5.4%) 3 patients of T1 group needed Intensive Care Unit (ICU) management (8.1%). There were no deaths or ICU admissions in the other groups. 40.3% of patients needed arthroscopic lavage more than once. The average length of stay of T1 was 19.8 days, T2–11.5 days and T3–27.5 days. Majority of the joints involved were knees (63.1%).23 patients (40.3%) had a preceding intervention performed in the same joint. Staphyloccus aureus was the most common organism isolated in 14 patients (26.3%).


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLII | Pages 14 - 14
1 Sep 2012
Ahmad R L. Kerr H Spencer RF
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There are a growing number of younger patients with developmental dysplasia of hip, proximal femoral deformity and osteonecrosis seeking surgical intervention to restore quality of life, and the advent of ISTCs has resulted in a greater proportion of such cases being referred to existing NHS departments.

Bone-saving hip athroplasty is often advocated for younger active patients, as they are potential candidates for subsequent revision arthroplasty. If resurfacing is contraindicated, short bone-conserving stems may be an option. The rationale for short stems in cementless total hip arthroplasty is proximal load transfer and absence of distal fixation, resulting in preserved femoral bone stock and avoidance of thigh pain.

We have carried out 17 short stem hip replacements (Mini-hip, Corin Medical, Cirencester, UK) using ceramic bearings in 16 patients since June 2010. There were 14 females and 2 males, with a mean age of 50.1 years (range 35–63 years) at the time of the surgery. The etiology was osteoarthritis in 11, developmental dysplasia in 4, and osteonecrosis of the femoral head in one patient. All operations were performed through a conservative anterolateral (Bauer) approach. These patients are being followed and evaluated clinically with the Harris and Oxford hip scores, with follow-up at 6 weeks, 3 months, and annually thereafter.

Initital results have been encouraging in terms of pain relief, restoration of leg length (one of the objectives in cases of shortening) and rage of movement. Radiological assessment has shown restoration of hip biomechanics. Specific techniques are required to address varus, valgus and femoral deformity with leg length inequality.

There are two main groups of short stems, those that are neck-preserving and those that do not preserve the femoral neck. The latter group requires traditional techniques for revision. Another feature that differentiates them is the availability of modularity. The device we employed is neck-preserving and available with different neck lengths and offsets, which help in restoration of hip biomechanics.

The advantage of such short stems may be preservation of proximal femoral bone stock, decreased stress shielding and the ease of potential revision. Such devices may be a consideration for patients with malformations of the proximal femur. Long-term follow-up will be of value in determining if perceived benefits are realised in practice.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 7 - 7
1 Apr 2012
Kerr H Dabke H Collins I Grevitt M
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Compare the prevalence of psychological distress in claustrophobic patients compared with a non-affected group, together with determination of presenting disability and overall intervention rates.

Retrospective case notes review.

33 patients (13 males) all requiring MRI scan under sedation for claustrophobia (Group 1) were compared with an age and sex matched cohort that had MRI without sedation (Group 2). Both groups were drawn from the same chronic back clinic. Average age in both groups was 54 years (range 27-79 years). Both groups had standard conservative therapy, together with psychometric evaluation.

Primary: Zung Depression Index (ZDI), Modified Somatic Perception Questionnaire (MSPQ). Secondary: Oswestry Disability Index (ODI), intervention rates (surgery, injections and physiotherapy sessions)

Comparison of means -

22 patients (66.7%) in Group 1 were discharged after their MRI with no intervention compared to 7 patients (21.2%) in Group 2.

Claustrophobic patients with back pain showed higher levels of depression than non-claustrophobic patients, with a greater prevalence of psychological distress. Disability however was the same. The majority of claustrophobic patients had no intervention, with a lower rate than their non-claustrophobic peers. Claustrophobia is a proxy for psychological distress and should be considered in the overall evaluation of chronic back patients.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 311 - 311
1 Jul 2011
Kerr H Grayston F Jackson R Kothari P
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Background: Ankle sprains are common with the majority resolving with simple measures. Some patients may have residual pain and instability caused by functional instability. Intraarticular scar formation has been implicated in these patients. Few studies have shown the effectiveness of arthroscopic procedure in treatment of this condition.

Aim: Our aim was to assess the role of arthroscopy in functional instability of the ankle.

Methods: We performed retrospective analysis of case-notes of patients who presented with functional ankle instability from 2005 – 2007 who had failed a trial of conservative therapy and who had ankle arthroscopy, provided there was no true instability as determined by EUA and stress xrays.

Results: Out of 77 patients with a mean age of 38.1, 5 patients had true mechanical instability. They underwent open repair of the lateral ligaments and were excluded from the study. 21 had steroid injections which gave temporary improvement in 11 of them but eventually all of the 72 remaining stable patients underwent ankle arthroscopy. 67 (76.7%) had significant amounts of scar tissue present which needed debridement, most commonly in the antero- lateral corner (58.3%). 52 patients improved (72.2%), 20 patients (27.8%) did not improve. 2 patients suffered a superficial wound infection. 17 patients had an osteochondral talar lesion. Of these, 14 patients improved, 2 did not and 1 patient did not attend follow up.

Outcome: Our study supports the role of arthroscopy in the treatment of functional ankle instability resistant to conservative treatment. Significant improvement in symptoms can be expected in about 70% of patients following arthroscopic debridement of scar tissue rising to approximately 90% if there is an associated talar osteo-chondral lesion. Ankle arthroscopy is associated with a low complication rate and should be offered to patients with functional instability when conservative measures have failed especially if an osteochondral lesion has been identified.