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[Shoulder arthrodesis. Indications, techniques, results, complications]
O Rühmann1, S Schmolke, M Bohnsack
1Orthopädische Klinik Medizinische Hochschule Hannover, Anna-von-Borries-Strasse 1-7, 30625 Hannover, Germany. ruehmann@annastift.de
Der Orthopade
|August 19, 2004
Summary
Shoulder arthrodesis fuses shoulder joints for severe conditions, often improving mobility and function. Optimal positioning aids muscle power and daily activities, though fixation methods vary in effectiveness and complications.
Area of Science:
- Orthopedic Surgery
- Musculoskeletal Research
Background:
- Shoulder arthrodesis is indicated for irreparable rotator cuff tears, instability, and muscle paralysis.
- Despite joint immobilization, shoulder fusion can enhance functional mobility and muscle power.
Purpose of the Study:
- To review indications, functional outcomes, and fixation methods for shoulder arthrodesis.
- To compare the advantages and disadvantages of different surgical techniques.
Main Methods:
- Literature review of shoulder arthrodesis techniques and outcomes.
- Analysis of functional results and complication rates associated with various fixation methods.
Main Results:
- Functional outcomes typically range from 30-90 degrees of abduction/flexion, with a mean of 60 degrees.
- Plate arthrodesis shows lower pseudarthrosis rates but higher infection and hardware removal rates than screw arthrodesis.
- Screw arthrodesis involves smaller surgical exposure but longer immobilization.
Conclusions:
- Shoulder arthrodesis offers functional benefits for specific debilitating conditions.
- The choice of fixation method involves trade-offs between complication rates, invasiveness, and recovery time.