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Upper Limb Research

Current Projects in progress:

  • Biomechanical analysis of plating techniques for unstable distal clavicle fractures with coracoclavicular ligament involvement (Type 2B)
  • Influence of Bankart lesion, glenoid bone loss and bankart repair on glenohumeral cartilage loading using patient-specific finite element (FEA) models
  • Biomechanical comparison of distal biceps repair techniques – two-point unicortical onlay technique vs. bicortical inlay technique
  • Biomechanical comparison of conventional tension band wire fixation versus novel tension band suture fixation for simple transverse olecranon fractures
  • Role of tranexamic acid in arthroscopic osteocapular releases of the elbow for degenerative arthritis
  • Humeral version and outcomes following reverse total shoulder arthroplasty
  • Clinical outcomes following latissimus dorsi vs. lower trapezius tendon transfer for massive irreparable rotator cuff tears
  • Clinical outcomes following arthroscopic proximal radioulna joint (PRUJ) contracture releases for rotational stiffness
  • The Posterior Instability Shoulder Score: a new and validated method of assessment of posterior shoulder instability .
  • Acromial Stress Fractures in patients post Reverse Shoulder Joint replacement.
  • The Efficacy of 2 alternative suture anchors Osteoraptor and Bioraptor 2.3 for primary surgical stabilization of the unstable shoulder – a double blind randomization trial.
  • A retrospective review of CT’s investigating the degree of osteolysis around a novel shoulder anchor post shoulder labral repair.
  • Thumb fractures in elite athletes
  • Latarjet Reconstruction union rates
  • Proprioception after shoulder reconstruction
  • Stemless shoulder replacement early outcomes
  • Pyrocarbon Arthroplasty Registry results

Recent Publications (2018 – present)

Bourget-Murray J, Frederick A, Murphy L, French J, Barwood S, LeBlanc J. Establishing User Error on the Patient-Reported Component of the American Shoulder and Elbow Surgeons Shoulder Score. Orthop J Sports Med. 2020 Mar; 8(3): 2325967120910094.doi: 10.1177/2325967120910094

Hope D, French J, Pizzari T, Hoy G, Barwood SA. Patients Undergoing Shoulder Stabilization Procedures Do Not Accurately Recall Their Pre-operative Symptoms at Short to Mid-Term Follow Up. Orthop J Sports Med. (2019); 7(6):2325967119851084. https://doi: 10.1177/2325967119851084

Barwood S, French JA, Watson LA, Balster S, Hoy GA, Pizzari . The Specific AC Score (SACS): a new and validated method of assessment of isolated acromioclavicular joint pathology. Journal of shoulder and elbow surgery (2018) 27 (12) 2214-2223 https://doi.org/10.1016/j.jse.2018.04.026

Loh R, Formosa M, Anderson M, Barwood S, Kingwell B, Carey A et al. Pioglitazone reduces cold-induced brown fat glucose uptake despite induction of browning in cultured human adipocytes: a randomised, controlled trial in humans. Diabetologia (2018) 61:220–230 https://doi.org/10.1007/s00125-017-4479-9

Yin Peng Goh, Ash Kamali Moaveni, Gregory Hoy, Julie Tate, Andrew Rotstein. Dynamic Assessment of sterno-clavicular Joint Instability using four-dimensional computed tomography. J Medical Imag.and Rad.Oncology 2019; 63: 216-221

Kemble Wang, Glenn Boyce, Tracy Peters, Hamish Anderson, Greg Hoy. Efficacy of Primary Repair in Professional Athletes with Chronic Radial Collateral Ligament Injuries of Thumb Metacarpophalangeal Joint. J Hand Surg AP; 24 (2): 1-6, 2019

Austin Lang, Glenn Boyce, Hamish Anderson, Christopher Stubbe, Ben Cunningham, Jason Harvey, Eugene Ek, Gregory Hoy. Hand, Finger and Wrist
Injuries may be creating Post-retirement Headaches in Australian Rules Football Players. J Sports Med Doping Stud (9); 1, 1-4, 2019

Gregory Hoy, Matthew Yalizis, Mitchell Smith, Hamish Anderson, Sarah Warby.Twin tailed Dog Bone and Fibretape Reconstruction of the Acromio-clavicular Joint with 360-degree Control. Techniques Shoulder Elbow Surg; 2019; 20 (3), 96-103.

Laurent Audige, PhD, Hans-Kaspar Schwyzer, MD, Shoulder Arthroplasty Core Event Set (SA CES) Consensus Panel, Holger Durchholz, MD. Core set of unfavorable events of shoulder arthroplasty: an international Delphi consensus process. J Shoulder Elbow Surg (2019) 28, 2061–2071

Jennifer N Flynn, Malin Wijeratna, Matthew Evans, Steven Lee, David McD Taylor and Gregory A Hoy. Glenoid vault perforation in total shoulder arthroplasty: Do we need computer guidance? Shoulder & Elbow. 2021;13(1):107-112.

Soeding PF, Steel A, Wong J, Hoy GA. Focused cardiac echocardiography in beach-chair position surgery: A case study. Anaesthesia and Intensive Care. 2019;47(4):385-388.

Soeding PF, Steel A, Wong J, Hoy GA. Left Ventricular Hypertrophy in Beach Chair Surgery—an Echocardiography Study of Athletes and Hypertensive Patients. 2020 J Am Soc Echo, (33), 6, 772-775

Ricks M, Borbas P, Perret M, Warby S, Hoy G. When is early return too early? Clavicle plate fixation in Australian Rules football athletes: F1000Research 2019, 8:1615

Hoy G, Trease L, Braybon W(Deceased). Intersection syndrome: an acute surgical disease in elite rowers. BMJ Open Sport & Exercise Medicine 2019;5:e000535.

Levy SM, Reid M, Montgomery AM, Botterill E, Kovalchik SA, Omizzolo M, Malara F, Wood TO, Hoy GA, Rotstein AH. Do magnetic resonance imaging abnormalities of the non-dominant wrist correlate with ulnar-sided wrist pain in elite tennis players?
Skeletal Radiol. 2020 Mar;49(3):407-415.

Hoy, Gregory A., Choudhry, Muhammad N., Hoy, Simon A., Warby, Sarah A. Trapezius Rotation-plasty for Complicated Acromioclavicular Joint Ganglion Cysts, Techniques in Shoulder & Elbow Surgery: December 2020 – Volume 21 – Issue 4 – p 150-154

Borbas P, Taylor DM, Lee S, Wijeratna M, Hoy G, Evans MC. Medium-Term Clinical and Radiographic Results of an All-Polyethylene, Pegged, Bone-Ingrowth Glenoid Component: A Concise Follow-up of a Previous Report. J Bone Joint Surg Am. 2021 Feb 3;103(3):251-256.

Reid M, Wood T, Montgomery AM, Botterill E, Kovalchik S, Omizzolo M, Malara F Rotstein A, Hoy G. MRI does not effectively diagnose ulnar-sided wrist pain in elite tennis players. J Sci Med Sport. 2020 Jun;23(6):564-568.

Andrew P McBride, Godefroy Brais, Tim Wood, Eugene T Ek, Greg Hoy. Stress reactions and fractures around the elbow in athletes. Journal of Science and Medicine in Sport, Volume 24, 5, 425-429, 2021

G Hoy, A McBride, F Taylor. One complication doesn’t prove bad results: Letter to the editor regarding “Fracture of pyrocarbon humeral head resurfacing implant: a case report”. J Shoulder Elbow Surg. 2021 Mar;30(3):e132-e133.

Perret, M, Warby S, Hoy G. Return to Professional Contact Sport after Surgery for Traumatic Anterior Shoulder Instability. AJSM (2021) In Press.

Galbraith JG, Huntington LS, Borbas P, Ackland DC, Tham SK, Ek ET. Biomechanical Comparison of Intramedullary Screw Fixation, Dorsal Plating and K-wire fixation for Stable Metacarpal Shaft Fractures. Journal of Hand Surgery (European) 2021 (Epub ahead of print)

Ek ET, Philpott AJ, Flynn JN, Richards N, Hardidge AJ, Rotstein AH, Wood AD.Characterization of the Proximal Long Head of Biceps Tendon Anatomy using Magnetic Resonance Imaging: Implications for Biceps Tenodesis. American Journal of Sports Medicine (AJSM). 2021; 49(2): 347-352

Liu EH, Suen K, Tham SK, Ek ET. Surgical repair of triangular fibrocartilage complex tears: a systematic review. Journal of Wrist Surgery. 2021; 10 (1): 70-83

Ek ET, Johnson PR, Bohan CM, Padmasekara G. Clinical outcomes of double screw fixation with autologous bone grafting for unstable scaphoid delayed or non-unions with cavitary bone loss. Journal of Wrist Surgery 2021; 10 (1): 9-16

Ek ET, Lording T, McBride A. Arthroscopic-Assisted Lower Trapezius Tendon Transfer for Massive Irreparable Posterosuperior Rotator Cuff Tears using an Achilles Tendon-Bone Allograft. Arthroscopy Techniques 2020; 9(11): e1759-1766

Ek ET, Johnson PR, Bohan CM, Padmasekara G. Double screw fixation with autologous bone grafting for unstable scaphoid non-unions with cavitary bone loss. Journal of Hand Surgery (European) 2020 (Epub ahead of print)

Keating C, McCombe D, Powell C, Maloney P, Ek ET, Tham SK. Reconstruction of the proximal scaphoid with a medial femoral trochlea osteochondral graft: minimum 2-year results. Journal of Hand Surgery (American) 2021 (Epub ahead of print)

Huntington LS, Mandaleson A, Hik F, Ek ET, Ackland DC, Tham SK. Measurement of scaphoid bone microarchitecture: A computed tomography imaging study and implications for screw placement. Journal Hand Surgery (American) 2020; 45(12): 1185

Borbas P, Eid K, Ek ET, Ricks M, Feigl G, Jeserschek J. A cadaveric study of the three different palpation guided techniques for glenohumeral joint injections. Shoulder and Elbow. 2020; 12(6): 399-403

Boyce GN, Philpott AJ, Ackland AC, Ek ET. Single versus dual orthogonal plating for comminuted midshaft clavicle fractures: A biomechanics study. Journal of Orthopaedic Surgery and Research. 2020; 15 (1): 248

Liu EH, Schulz PD, Ek ET. Periprosthetic fracture of the scaphoid after successful headless compression screw fixation – report of two cases. Journal of Hand Surgery (European) (2020) [Epub ahead of print]

Ek ET, Perrett M, Borbas P. Arthroscopic knotless repair of complete full thickness tears of the subscapularis tendon through a single portal. Arthroscopy Techniques. (2020); 9(4): e439-e443

Jamieson RP, Ek ET. Isolated proximal radioulna joint instability – etiology, diagnosis and current treatment options. Journal of Bone and Joint Surgery (JBJS) Reviews. (2020); 8 (5) e169

Borbas P, Eid Karim, Ek ET, Feigl G. Innervation of the acromioclavicular joint by the suprascapular nerve. Shoulder and Elbow, 2020; 12 (3): 178-183

Crepaldi B, Keating, Ek ET, Tham SK. Medial femoral trochlea graft for scaphoid waist non-union: A case report and review of the literature. Journal of Wrist Surgery. (2020); 9 (3): 186-189

Borbas P, Churchill J, Ek ET. Surgical Management of Chronic High-Grade acromioclavicular joint dislocations – A Systematic Review. Journal of Shoulder and Elbow Surgery. (2019) 28 (10): 2031-2038

Sikora SK, Tham SK, Harvey JN, Garcia-Elias M, Goldring T, Rotstein AH, Ek ET. The Twist Xray – A Novel Test for Dynamic Scapholunate Instability. Journal of Wrist Surgery. (2019) 8 (1):61-65

Chou J, Bacle G, Ek ET, Tham SK. Fixation of the fractured lunate in Kienböck’s disease. Journal of Hand Surgery (American), (2019) 44 (1):67
Jamieson R, Harvey JN, Ek ET. Bipolar osteoarticular reconstruction of the radioscaphoid joint. Journal of Hand Surgery (European) (2019) 44 (2):211-213

Smith ML, Gotmaker R, Hoy GA, Ek ET, Carr A, Flynn JN, Evans MC. Minimising Propionibacterium acnes Contamination in Shoulder Arthroplasty. ANZ Journal of Surgery. (2018) 88(11):1178-1181

Wang KK, Zhang X, McCombe D, Ackland DC, Ek ET, Tham SK. Quantitative analysis of in-vivo thumb carpometacarpal joint kinematics using four-dimensional computed tomography. Journal of Hand Surgery (European). (2018) 43 (10):1088-1097

Rancy SK, EK ET, Paul S, Hotchkiss RN, Wolfe SW. Non-Spanning Total Wrist Arthrodesis with a Low Profile Locking Plate. Journal of Wrist Surgery (2018); 7(2):127-132

Mandaleson A, Tham SK, Lewis C, Ackland DC, Ek ET. Scaphoid fracture fixation in a non-union model: A biomechanical study comparing 3 types of fixation. Journal of Hand Surgery (American), (2018); 43 (3):221-228

Wang KK, Yalizis M, Hoy GA, Ek ET. Current Trends in the Evaluation and Treatment of SLAP Lesions: Analysis of a Survey of Specialist Shoulder Surgeons. Journal Shoulder and Elbow Surgery (Open Access). (2018) 2 (1):48-53

Ek ET, Wang K. Arthroscopic repair of the lateral ulnar collateral ligament of the elbow using knotless suture anchor. Arthroscopy Techniques (2018) 1:7(2): e77 – e81

Hislop P, Sakata, K, Ackland DC, Gotmaker R, Evans MC. Acromio-clavicular Joint Stabilisation: A biomechanical study of bidirectional strength and stability. OJSM, 2019 7(4)2325967119836751 DOI: 10.1177/2325967119836751

Matsen FA 3rd, Iannotti JP, Churchill RS, DeWilde L, Edwards TB, Evans MC, Fehringer EV, Groh GI, Kelly JD 2nd, Kilian CM, Merolla G, Norris TR, Porcellini G, Spencer EE Jr, Vidil A, Wirth MA, Russ SM, Neridilek M, Somerson JS. One and two year clinical outcomes for a polyethylene glenoid with a fluted peg:1270 individual patients from eleven centres. Int. Orthop. 2018 Dec 3. doi: 10.1007/s00264-018-4213-3

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