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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_19 | Pages 10 - 10
1 Dec 2014
Lisenda L Simmons D Firth G Ramguthy Y Thandrayen K Robertson A
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Introduction:

Blount's disease can be defined as idiopathic proximal tibial vara. Several etiologies including the mechanical theory have been described. Obesity is the only causative factor proven to be associated with Blount disease.

Varus deformity is also a clinical feature of rickets and 31% of children with vitamin D deficiency rickets presented with varus deformities to the local Metabolic Bone clinics. The aim of this study is to assess if there is an association between vitamin D and Blount's disease. We hypothesize that children with Blount disease are more likely to be vitamin D deficient.

Method:

This a retrospective study of pre-operative and post-operative patients with Blount's disease who were screened for vitamin D deficiency. Patients with known vitamin D deficiency and rickets were excluded. The study patients had the following blood tests: calcium, phosphate, alkaline phosphatase, parathyroid hormone and 25-hydroxyvitamin D. Body mass index (BMI) was also assessed.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 16 - 16
1 Sep 2014
Obrien M Firth G Ramguthy Y Robertson A
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Introduction

A previous study in South Africa showed the prevalence of HIV related osteo-articular sepsis in children to be around 20% with a high prevalence of Streptococcus pneumoniae (38%) in HIV positive patients. This initial study was conducted at the same time that the polyvalent S pneumoniae vaccine was introduced to the EPI in South Africa (2009). The aim of the current study was to review the epidemiology of osteo-articular infections at two hospitals after the introduction of this vaccine.

Methods

A retrospective review of patients presenting to two hospitals, between July 2009 and January 2013, with acute osteo-articular sepsis and pus at arthrotomy. The NHLS laboratory results were reviewed for microscopy, culture and sensitivity as well as white cell count (WCC), C reactive protein (CRP) and erythrocyte sedimentation rate (ESR).


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 25 - 25
1 Sep 2014
Street M Ramguthy Y Firth G
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Introduction

The Ponseti method for the treatment of idiopathic club foot is the gold standard of treatment in South Africa. A study in New York reviewed attainment of gross motor milestones (GMM) in these children and found that independent ambulation was delayed on average by 2 months compared to unaffected children.

Methods

A retrospective review of gross motor milestones was performed in patients treated at a South African clubfoot clinic. All patients were walking independently at review. Ages at attainment of motor milestones were recorded (sitting, crawling and walking independently). The World Health Organisation (WHO) published the normal range for achievement of these milestones in six regions across the world. We compared the results of our patients to the 50th percentile in that study.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 56 - 56
1 Mar 2013
Papagapiou H Ramguthy Y Firth G
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Purpose

Following closed or open reduction for developmental dysplasia of the hip (DDH), assessment of reduction is essential. With potentially poor accuracy in confirming reduction, the risk of abnormal hip development and ultimately poor outcome exists if reduction is not achieved. Computed tomography (CT) has been used in recent years to assess reduction. The aim of this study was to compare the accuracy in confirming hip reduction following closed or open reduction in children with DDH, using CT and plain radiographs and to decide whether CT scans improved the assessment of reduction.

Methods

We retrospectively reviewed 6 patients treated for DDH at an Academic Hospital. The patients were treated with either closed or open reduction. Post operatively radiographs and CT scans were obtained to assess reduction. Reduction was assessed using Shenton's line, medial joint space, a femoral mid-cervical line through the tri-radiate cartilage and a tri-radiate intersectional line on axial CT. The CT scans were analyzed using Osirix on an Apple Macintosh computer.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 57 - 57
1 Mar 2013
Firth G Robertson A Ramguthy Y Schepers A
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Purpose of Study

Multiple measurements have been described for the assessment of developmental dysplasia of the hip (DDH). In particular, the centre edge angle (CEA) has been described by Wiberg to assess the position of the femoral head in relation to the acetabular edge in patients over the age of five years. The purpose of this study is twofold. Firstly to assess the reliability of all measurements available in the literature and secondly to evaluate whether or not the CEA can be reliably measured below five years of age.

Methods

Eighty seven patients were included for assessment. Radiographs were measured within six months of spica cast/Batchelor cast removal, depending on whether closed or open reduction was performed. A web based computer programme was used to store the radiographs electronically and with the help of an electronic template the following measurements were recorded: CEA, AI, centre head distance discrepancy ratio (CHDDR), Smith's c/b and h/b ratios. Three readers recorded measurements at two intervals, to determine intra and inter reader reliability.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 70 - 70
1 Mar 2013
Swai S Firth G Ramguthy Y Robertson A
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Purpose of Study

The management of idiopathic clubfoot has changed substantially over the past fifty years with the Ponseti method of treatment gaining increasing popularity in recent years. The advantages of this method are its simplicity and minimal resource requirements with high published success rates. One of the disadvantages is that unless treatment protocols are meticulously adhered to, especially in the bracing stage, recurrence will occur. This study explores the demographics and highlights existing barriers to successful clubfoot treatment outcomes at two academic hospitals.

Description of Methods

A cross sectional study was conducted of all children undergoing clubfeet treatment between June and December 2011. A stratified questionnaire was used at two academic hospitals.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 72 - 72
1 Mar 2013
Bayes G Ramguthy Y Firth G
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Purpose

The rate of club foot recurrence following Ponseti treatment has been reported in the literature as between 14 and 58%. Recurrence is defined as any child who has been treated and is in need of recasting, surgery or bracing. True recurrence is defined as presentation 6 months after last treatment and incomplete treatment is defined as presentation within 6 months of last treatment. Currently no local data exists to determine the cause of recurrence in this unit. The aim of this study is to review all recurrences to improve the outcome of club foot management.

Methods

A retrospective audit of all club foot recurrences was performed at an academic hospital. The review included the location of initial treatment, initial treatment method and abduction brace compliance as factors contributing to the recurrence rate.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 75 - 75
1 Mar 2013
Sikhauli K Firth G Ramguthy Y Robertson A
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Purpose

Severe osteo-articular infection can be a devastating disease causing local complications, multiple organ failure and death. The aim of this study is to highlight the potential severity and subsequent sequelae of osteo-articular infections in children and to determine causative factors leading to this devastating condition.

Methods

We retrospectively report on six cases treated at two academic hospitals. We included all patients with osteo-articular infections who had multi-organ involvement. All patients had more than one joint as well as another organ involved as a direct result of the bacteraemia. All patients with single organ involvement were excluded. The patient files were recorded as part of a previously published study. Data capture included X-rays, serology for blood culture, FBC, ESR, CRP and HIV. Ultrasound of involved joints, technetium bone scans, echocardiograms and computed tomography of the brain were performed when indicated.