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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 108 - 108
1 Sep 2012
Pailhé R Reina N Laffosse JM Tricoire JL Chiron P Puget J
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Background

Floating shoulder (FS) is, according to Goss et al, a double disruption of the superior shoulder suspensory complex which usually results from a glenoid neck fracture and a ipsilateral midclavicular fracture. However, the interruption can interest the whole scapular belt from acromion to sterno-clavicular joint. It occurs mostly after a violent traumatism with direct lateral impact on the shoulder. That leads to complex therapeutic issues with sometimes uncertain results.

Material

Between 1984 and 2009, 35 patients (30 men, 5 women), mean age 35 years [16–72] with FS, were treated in our department. Most of them sustained road accident (31cases) with polytraumatism context in 12 cases. A CT scan was realized in the majority of cases to specify the scapular fracture and look for intra-thoracic immediate complications. Mostly, glenoid neck fracture associated with a clavicular fracture has been found out (15cases). Orthopaedic treatment has been realized in 18 cases. Surgical management has been decided for open reduction of sterno-clavicular joint in 2 cases, isolated fixation of the clavicle in 9 cases, of the scapula in 3 cases, and of both scapula and clavicle in 3 cases. Criteria for clinical evaluation were an algo-functional scale (Oxford Shoulder Score, OSS), a subjective Constant Shoulder Score, a functional incapacity scale (Shoulder Simple Test, SST), scales of life quality (DASH and SF12) and global indications (Single Assessment Numeric Evaluation, SANE).


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 342 - 342
1 Sep 2012
Migaud H Marchetti E Combes A Puget J Tabutin J Pinoit Y Laffargue P
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Introduction

The same cup orientation is classically applied to all cases of hip replacement (45° abduction, 20° anteversion). We hypothesize that this orientation must be adapted to the patient's hip range of motion. We tested this hypothesis by means of an experimental study with respect to hip range of motion, comparing the classical orientation (45° and 20°), and the orientation obtained with computer-assisted navigation.

Material and Methods

The experimental model included a hemipelvis equipped with a femur whose mobility was controlled for three configurations: stiff (60°/0°, 15°/10°, 10°/10°), average (80°/10°, 35°/30°,35°/25°), mobile (130°/30°, 50°/50°, 45°/35°). The hemipelvis and the cup holder were equipped with an electromagnetic system (Fastrack ™) to measure cup orientation. The Pleos™ navigation system (equipping the hemipelvis, the femur, and the cup holder) guided the cup orientation by detecting the positions risking impingement through a kinematic study of the hip. Nine operators each performed 18 navigation-guided implantations (162 hip abduction, anteversion, and range of movement measurements) in two series scheduled 2 months apart.


The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 1 | Pages 103 - 109
1 Jan 2010
Laffosse J Espié A Bonnevialle N Mansat P Tricoire J Bonnevialle P Chiron P Puget J

We retrospectively analysed the clinical results of 30 patients with injuries of the sternoclavicular joint at a minimum of 12 months’ follow-up. A closed reduction was attempted in 14 cases. It was successful in only five of ten dislocations, and failed in all four epiphyseal disruptions. A total of 25 patients underwent surgical reduction, in 18 cases in conjunction with a stabilisation procedure.

At a mean follow-up of 60 months, four patients were lost to follow-up. The functional results in the remainder were satisfactory, and 18 patients were able to resume their usual sports activity at the same level. There was no statistically significant difference between epiphyseal disruption and sternoclavicular dislocation (p > 0.05), but the functional scores (Simple Shoulder Test, Disability of Arm, Shoulder, Hand, and Constant scores) were better when an associated stabilisation procedure had been performed rather than reduction alone (p = 0.05, p = 0.04 and p = 0.07, respectively).

We recommend meticulous pre-operative clinical assessment with CT scans. In sternoclavicular dislocation managed within the first 48 hours and with no sign of mediastinal complication, a closed reduction can be attempted, although this was unsuccessful in half of our cases. A control CT scan is mandatory. In all other cases, and particularly if epiphyseal disruption is suspected, we recommend open reduction with a stabilisation procedure by costaclavicular cerclage or tenodesis. The use of a Kirschner wire should be avoided.