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. 2003;27(6):373-7.
doi: 10.1007/s00264-003-0488-z. Epub 2003 Jul 10.

Local pressures in the subacromial space

P Hyvönen  1 , V Lantto, P Jalovaara
Affiliations

Local pressures in the subacromial space

P Hyvönen et al. Int Orthop. 2003.

Abstract
in English, French

We recorded pressures in the subacromial space with various degrees of humeral abduction. The recordings were made during open surgery and under general anaesthesia using a 2-mm-thick piezo-electric pressure transducer. The pressures were recorded in 14 patients with shoulder impingement syndrome (Neer's stage II) and in eight patients with acromioclavicular dislocation serving as controls. The pressures were higher in the impingement group than in the control group. In both groups the highest pressures were recorded antero-laterally under acromion. In patients with impingement syndrome, the pressures increased significantly with abduction.

Nous avons enregistré les pressions dans l'espace subacromial avec plusieurs degrés d'abduction humérale. Les enregistrements ont été faits pendant une chirurgie ouverte et sous anesthésie générale en utilisant un transducteur de pression piézoélectrique de 2 mm d'épaisseur. Les pressions ont été enregistrées chez 14 malades avec un syndrome d'accrochage de l'épaule (Neer stade II) et chez 8 malades témoins, présentant une luxation acromioclaviculaire. Les pressions étaient plus hautes dans le groupe d'accrochage de l'épaule que dans le groupe de commande. Dans les deux groupes les plus hautes pressions ont été enregistrées dans la région antéro-externe, sous l'acromion. Chez les malades avec un syndrome d'accrochage de l'épaule les pressions augmentaient significativement avec l'abduction.

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Figures

Fig. 1.
Fig. 1.
Schematic diagram of the subacromial measurement points. 1=anterolateral; 2=anteromedial; 3=posterolateral; 4=posteromedial
Fig. 2.
Fig. 2.
Relative pressures in four locations of the of subacromial space at different abduction angles in the study and control groups (median, 25% and 75% quartiles)
See this image and copyright information in PMC

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