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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_15 | Pages 26 - 26
7 Nov 2023
de Wet J Gray J Verwey L Dey R du Plessis J Vrettos B Roche S
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The musculoskeletal (MSK) profiles of water polo players and other overhead athletes has been shown to relate to injury and throwing performance (TP). There have been no robust studies conducted on the MSK profiles and the variables affecting TP amongst female, adolescent, elite water polo players.

A prospective quantitative cohort design was conducted amongst eighty-three female adolescent, elite water polo players (range 14–19 years). All participants filled out the Kerlan-Jobe Orthopaedic Clinic questionnaire, followed by a battery of screening tests aimed to identify possible MSK factors affecting TP. Pain provocation tests, range of motion (ROM), upward scapula rotation (USR), strength and pectoralis minor length measurements were all included. Participants also performed throwing speed (TS) and throwing accuracy (TA) tests.

All the data collected were grouped together and analysed using SPSS 28.0. The condition for statistical significance was set as p <0.05. Multi-collinearity was tested for among variables to find out inter-variable correlations. Finally, a multiple regression analysis was performed.

The mean KJOC score was 82.55 ± 14.96. 26.5% tested positive for at least one of the impingement tests. The MSK profile revealed decreased internal rotation ROM, increased external rotation ROM, a downwardly rotated scapula, weak external rotators, weak serratus anterior strength, strong lower trapezius and gluteus medius strength and a shorter pectoralis minor length all on the dominant side.

Age, pectoralis minor length, upper trapezius and serratus anterior strength as well as upward scapula rotation were all positively correlated with TS, while sitting height, upper trapezius and serratus anterior strength and glenohumeral internal rotation ROM were positively correlated with TA.

Multiple MSK parameters were found to be related to TS and TA in elite, adolescent water polo players.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_19 | Pages 22 - 22
1 Dec 2014
Dachs R Chivers D Du Plessis J Vrettos B Roche S
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Aim:

To investigate the incidence of post-operative ulna nerve symptoms in total elbow arthroplasty after full in-situ release.

Methods:

A retrospective review was completed of the medical records of eighty-three consecutive primary total elbow arthroplasties (TEA) performed between 2003 and 2012. Data analysed included the presence of pre-operative ulnar nerve (UN) symptoms, history of prior UN transposition, intra-operative management of the UN and presence of post-operative symptoms.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_19 | Pages 44 - 44
1 Dec 2014
Dachs R Marais C Du Plessis J Vrettos B Roche S
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Aim:

To investigate the clinical outcomes of elbows with post-traumatic stiffness treated by open surgical release.

Methods:

A retrospective review was completed on thirty-five consecutively managed patients who underwent an open elbow release for post-traumatic stiffness between 2007 and 2012. Pre-operative and post-operative range of motion (ROM), pain scores and functional outcomes were recorded.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 6 - 6
1 Sep 2014
Ryan P Marais C Vrettos B Roche S
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Introduction

Hypoplasia of the glenoid is a rare condition caused by incomplete ossification of the postero-inferior aspect of the developing glenoid. It may be isolated or associated with a more generalised condition. The clinical symptomatology is variable depending on the age at time of presentation.

Materials and Methods

We performed a retrospective chart review of patients who presented with shoulder complaints, and in whom a radiographic diagnosis of glenoid hypoplasia had been made. From January 2002 to December 2012, 8 patients (9 shoulders) with radiological signs of glenoid hypoplasia were identified. The mean age at presentation was 39 years (range 23 to 77) and the mean symptom duration was 12.5 months (range 1 to 48).


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 5 - 5
1 Sep 2014
Ryan P Anley C Vrettos B Lambrechts A Roche S
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Introduction

Resurfacing of the glenohumeral joint has gained popularity since its first introduction in 1958. Advantages of resurfacing over conventional shoulder arthroplasty include preservation of humeral bone stock, closer replication of individual anatomy, reduction of periprosthetic fracture risk, non-violation of medullary canal, and ease of revision to a stemmed component if needed.

Materials and Methods

We reviewed a group of patients with arthrosis of the glenohumeral joint who underwent humeral resurfacing, and who were at a minimum of two years post surgery. From January 2000 to March 2011, 51 humeral resurfacing procedures were performed in 49 patients. Patients were contacted for review, and assessed using patient reported outcome measures. An Oxford Shoulder score as well as a subjective satisfaction and outcome questionnaire was completed, as well as details regarding further surgery or revision. 2 patients had died, 11 patients were not contactable, and in 4 the medical files had been lost. In the remaining 32 shoulders, the average follow-up was 5.9 years. The mean age at time of surgery was 62.3 years (range 36 to 84).


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 74 - 74
1 Aug 2013
Fleming M Dachs R du Plessis J Vrettos B Roche S
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Purpose:

To review the union rates, outcomes and complications of angular stable plating of lateral third clavicle fractures.

Method:

Between 2007 and 2010 angular stable plates were used in the fixation for seventeen patients with displaced lateral third clavicle fractures (Allman Group II, Type 2). These were identified from surgical log books and operation codes. The surgical and clinical notes as well as X-rays were reviewed. The patients were contacted telephonically. An Oxford Shoulder Score and questions relating to plate removal, scar pain and return to activities were asked. Three patients were not contactable.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 79 - 79
1 Aug 2013
Vrettos B Mackerdhuj P
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This is a case series of a senior surgeon's experience; the purpose being to illustrate the problems encountered when using bio-absorbable anchors for various indications in shoulder surgery.

Method.

A retrospective analysis of 7 patients' notes, radiology and arthroscopic findings between 2006 and 2010.

Results.

There were 5 females and 2 males, with an average age of 50 years 3 months. The indications for using these anchors varied; 5 patients had rotator cuff repairs, 1 had a SLAP repair and the other had a Bankart repair. Patients complained of pain (3), a noisy shoulder (2), deformity (1) and symptoms similar to an infection (1). Average time from surgery to symptoms varied, with the shortest time being 3 months and the longest being 4 years 2 months.

Some had dramatic MRI changes showing significant lysis around the anchors. Arthroscopic findings included anchor debris in the joint, loose anchors with significant defects and resultant irreversible cartilage damage.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 76 - 76
1 Aug 2013
Vrettos B Vochteloo A Roche S
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Purpose of study:

Total elbow replacement (TER) is one of the surgical options for treatment of severe haemophilic arthropathy of the elbow. There are only a few small series described in the literature. The goal of our study was to evaluate our cases and add these data to the known literature.

Methods:

A retrospective analysis of a series of 8 TER's (5 patients) was performed. Patients were seen in clinic and evaluated by physical examination, a VAS score for pain, the Mayo Elbow Performance Score (MEPS, 100 points=excellent) and X-rays of the affected elbow. Mean follow-up was 91 (4–236) months, and 103 months when we excluded a patient with only 4 months follow-up. Primary diagnosis was Hemophilia type A in 4 and von Willebrand disease in 1 patient. 2 patients were positive for Hepatitis C and 3 for HIV. Mean age at primary surgery was 46.7 (31.8–63.1) years.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 77 - 77
1 Aug 2013
Laubscher M Vochteloo A Smit A Vrettos B Roche S
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Purpose:

Interposition arthroplasty is a salvage procedure for patients with severe osteoarthritis of the elbow where conservative treatment failed. It is mostly performed in younger patients where total joint replacement is contraindicated and an arthrodesis is unattractive. Although one of the oldest reconstructive options for elbow arthritis, the procedure is not without complications. There are only a few case series described in the literature. The purpose of our study is to review our cases and report their outcome.

Method.

We retrospectively reviewed 18 consecutive cases of interposition arthroplasty between 2001 and 2010. 2 cases were excluded due to incomplete records. The mean patient age was 41.3 (19.4–58.6) years at time of surgery. The primary diagnosis was post-traumatic osteoarthritis in 11 cases and inflammatory osteoarthritis in 5 cases. The mean follow up was 4.7 (0.4–10) years. Pre- and post-operative pain and function was evaluated using the Visual Analogue Scale (VAS) and Mayo Elbow Performance Score (MEPS). The complications and the number of re-operations and revisions were recorded.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 84 - 84
1 Aug 2013
du Plessis J Roche S Vrettos B
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Purpose:

We aimed to assess the short and medium term complications of patients who had undergone Latarjet procedures. We also compared this to a group of patients who over a similar period underwent an open Bankhart procedure to assess the complication profiles between the two groups.

Method:

We retrospectively reviewed the notes and X-rays of all patients identified by surgical log books and or operation codes for instability. Eighty seven patients (88 shoulders) underwent Latarjet procedures between 2002 and 2010. Patients were phoned to obtain a telephonic Oxford shoulder score. There were 44 patients with 46 shoulders in the open Bankhart group.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 3 - 3
1 Mar 2013
Dachs R Roche S Vrettos B Currin B Walters J
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Purpose

The purpose of this study was to follow up a cohort of South African doctors who had previously failed a validated musculoskeletal assessment tool, to examine the effect of a two-month Orthopaedic internship rotation on musculoskeletal competency.

Methods

A validated competency examination in orthopaedic medicine was used as the assessment tool. Topics included fractures and dislocations, arthritis, basic anatomy and emergencies that require immediate referral to an orthopaedic surgeon. The questionnaire consists of twenty-five short-answer questions. A validated answer key and scoring system were used to mark the questionnaire. In a previous study, we found that 91 per cent of South African doctors in our study group, at the start of their internship, failed to demonstrate basic competency on the examination. We concluded that medical school preparation in orthopaedic medicine in South Africa is inadequate. We reapplied the examination at the end of 2011 to a study group of seventy-six first and second-year interns, to assess whether a two-month orthopaedic rotation during internship had a significant effect on musculoskeletal competency.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_14 | Pages 82 - 82
1 Mar 2013
Mughal M Vrettos B Roche S Dachs R
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Purpose of study

The outcomes of conservatively managed minimally displaced isolated greater tuberosity fractures are sparsely reported and the aim of this study was to look at the outcome of these fractures.

patients and methods

Twenty-seven patients who had sustained a greater tuberosity fracture were identified. They were all managed by a single surgeon. All patients had a regime of initial immobilisation for 3 weeks followed by physiotherapy and range of motion exercises. They were all x-rayed at 1 week and 3 weeks after injury to monitor for any displacement. Four fractures occurred with an anterior dislocation. In seven patients the fracture was not visible on x-ray but was diagnosed on Ultrasound or MRI. Twenty-three of 27 patients were available for follow-up. For this follow up, the patients were telephonically contacted and the Oxford Shoulder Score (OSS) was completed to assess their outcome.