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Prediction of post-operative cognitive decline following shoulder surgery in the beach chair position: the value of cerebral oximetry

Mark Ross, Sarah Graham, Phillip Duke, David Gilpin, Phil Melksham Surgery to the shoulder may be performed with patients seated upright in a position known as the “beach chair position.” This position has certain advantages compared to alternative surgical positions (e.g. side lying) in some situations. However, it has been found that surgery in the [...]

Conservative management of triangular fibrocartilage injuries

Greg Couzens, Mark Ross, Chris Jeffery, Libby Anderson, Timothy Gilmour Injury to the triangular fibrocartilage (TFCC) has been observed as a common cause of both post-traumatic and chronic degenerative ulnar sided wrist pain. It can result in pain and impact on function and quality of life. There are many treatments available to help relieve pain [...]

A Multi-Centre Clinical and Radiological Outcomes Study of the PyroTITAN™ HRA Shoulder Implant in Humeral Head Resurfacing

Mark Ross, Phillip Duke, Kenneth Cutbush, Steve Andrews Glenohumeral arthritis is a common shoulder problem, which increasingly affects young adults. These patients seek relief not only from pain but also require the ability to return to work, recreational and domestic activities. Total shoulder arthroplasty (TSA) is an effective solution for less active patients but has [...]

Stainless steel versus titanium volar multi-axial locking plates for fixation of distal radius fractures: a multi-centre randomised controlled trial

Gregory Couzens, Susan Peters, Mark Ross, Phillip Cheras Distal radius fractures are among the most common fractures seen in the hospital emergency department. Historically these patients are managed either conservatively or surgically. Some surgical techniques have been associated with high complication rates and poor clinical and radiological outcomes. In recent years with the advent of [...]

Clinical and Radiological Outcomes of an Embedded Polyethylene Mini-Glenoid Implant inTotal Shoulder Arthroplasty for Arthritis

Mark Ross, Phillip Duke Total shoulder arthroplasty gives the most predictable and satisfying results in centered arthritis with an intact rotator cuff. However, long term outcomes of the glenoid can be concerning to the surgeon. Embedded polyethylene mini-glenoid is an attractive alternative for shoulder arthroplasty for patients with shoulder arthritis. It allows quick pain relief [...]

Measuring Ulnar Variance using Magnetic Resonance Imaging

Mark Ross, Greg Couzens, Susan Peters This study examined the anatomy of approximately 100 normal wrist MRIs and XRays and approximately 100 wrists with ulnar sided wrist pathology. We examined the impact of cartilage (which can only be viewed on MRI) on the height or “variance” of the ulna. A normative study design was used [...]

A comparative study of two dynamometers in assessing shoulder strength used for calculating the Constant Score

Mark Ross, Phillip Duke, Susan Peters, Bhavana Jha The primary objective of this study is to examine the measurement properties of the IDO Isometer in comparison with that of the Chatillon Dynamometer in assessing the shoulder isometric strength as required for calculating the Constant Score; to assess the intra-rater and inter-rater reliability of both the [...]

Surgical interventions for treating scapholunate pathology in adults: Systematic Review

Lex Allen, Bhavana Jha, Susan Peters, Gregory Couzens, Mark Ross Scapholunate (SL) dissociation is the most common carpal instability pattern. It is usually a result of a disruption in the SL ligament complex with the SL ligament having been shown to be the key structure in maintaining stability. Following this injury the abnormal kinematics of [...]

The Influence of Cartilage Thickness at the Sigmoid Notch on Distal Radioulnar Joint Inclination

Mark Ross, Martin, Wiemann, Susan Peters, Greg Couzens The purpose of this study was to assess the influence of cartilage thickness at the sigmoid notch on the inclination of the distal radioulnar joint (DRUJ). In 100 dorso-palmar wrist x-rays and corresponding coronal MRI images (Proton density fat saturated, 3 Tesla) of the same patients, cartilage [...]

Radiological and Clinical Outcomes Study Comparing Pyrocarbon Arthroplasty and LRTI for Osteoarthritis of the First CMC joint

Mark Ross, Greg Couzens Osteoarthritis of the CMC joint of the thumb is common. Various conservative and surgical options to relieve pain and imrpove function exist. Ligament reconstruction tendon interposition (LRTI) is the most common surgery used. However, various types of joint replacement now exist. The purpose of the study is to determine the difference [...]