Mark Welsh

Genomic analysis of early-stage lung cancer reveals a role for TP53 mutations in distant metastasis

Debra Van Egeren, Khushi Kohli, Jeremy L. Warner, Philippe L. Bédard et autres

Patients with non-small cell lung cancer (NSCLC) who have distant metastases have a poor prognosis. To determine which genomic factors of the primary tumor are associated with metastasis, we analyzed data from 759 patients originally diagnosed with stage I-III NSCLC as part …

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Latissimus dorsi tendon transfer in reverse shoulder arthroplasty: transfer location affects strength

Kevin Chan, G. Daniel G. Langohr, Mark Welsh, James A. Johnson et autres

Background The optimal insertion location of a latissimus dorsi tendon transfer to restore external rotation after reverse shoulder arthroplasty (RSA) is not well established. The aim of this biomechanical study was to determine the effect of tendon transfer location on external rotation …

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SecAF 2030 S and T Study

Rodney Bowersox, Diane Hurtado, Julia Pierko, John Mogford et autres

Inter-rater reliability of DartfishTM movement analysis software for measuring maximum flexion and extension at the hip and knee in older adults with osteoporosis and osteopenia

Tyler Allen, Zachary Hollingham, James MacWhirter, Mark Welsh et autres

Various methods are used to measure hip and knee joint motion angles; however, their use is often limited by cost or inability to measure dynamic movements. The assessment of movement patterns is clinically useful in individuals with osteoporosis (OP) and osteopenia (OPe) …

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A rigid body model for the assessment of glenohumeral joint mechanics: Influence of osseous defects on range of motion and dislocation

Mark Welsh, Ryan Willing, Joshua W. Giles, George S. Athwal et autres

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Effect of Volarly Angulated Distal Radius Fractures on Forearm Rotation and Distal Radioulnar Joint Kinematics

Masao Nishiwaki, Mark Welsh, Braden Gammon, Louis M. Ferreira et autres

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The Effect of Volarly Angulated Distal Radius Fractures on Forearm Rotation: In Vitro Biomechanical Study

Masao Nishiwaki, Mark Welsh, Louis M. Ferreira, James A. Johnson et autres

Introduction To examine the effects of volar angulation deformities of the distal radius with and without triangular fibrocartilage complex (TFCC) rupture on the magnitude of forearm rotation. Materials and Methods Eight fresh-frozen cadaveric upper extremities were mounted in a forearm simulator that …

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Volar Subluxation of the Ulnar Head in Dorsal Translation Deformities of Distal Radius Fractures

Masao Nishiwaki, Mark Welsh, Braden Gammon, Louis M. Ferreira et autres

OBJECTIVES: To quantify the effects of dorsal translation deformities of the distal radius with and without dorsal angulation on volar displacement of the ulnar head during simulated active forearm rotation, both with the triangular fibrocartilage complex (TFCC) intact and sectioned conditions. METHODS: …

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Distal Radioulnar Joint Kinematics in Simulated Dorsally Angulated Distal Radius Fractures

Masao Nishiwaki, Mark Welsh, Braden Gammon, Louis M. Ferreira et autres

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Suture Anchor Fixation of Bony Bankart Fractures

Joshua W. Giles, Gábor J. Puskás, Mark Welsh, James A. Johnson et autres

BACKGROUND: As an alternative to the standard single-point suture-anchor technique, a suture-bridge technique has been described for the treatment of bony Bankart fractures. There is, however, little evidence supporting one technique over the other. Purpose/ HYPOTHESIS: To compare the failure strength, fixation …

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Do the Traditional and Modified Latarjet Techniques Produce Equivalent Reconstruction Stability and Strength?

Joshua W. Giles, Gábor J. Puskás, Mark Welsh, James A. Johnson et autres

BACKGROUND: The Latarjet procedure has been described as a reconstructive option for instability associated with substantial glenoid bone defects. A modification, termed the Congruent-Arc, is thought to improve glenoid reconstruction through better articular congruency and greater bone reconstitution. The strengths of these …

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BioHDF - Toward Scalable Bioinformatics Infrastructures

Mark Welsh