The relative motion concept in acute and chronic boutonniere deformity: Invited commentary.

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Abstract

[Indexed for MEDLINE] 19. Chir Main. 2005 Feb;24(1):1-16. doi: 10.1016/j.main.2004.08.010. [Acute PIP joint fractures]. [Article in French] Dubert T(1). Author information: (1)Clinique la Francilienne, 16, avenue de l'Hôtel-de-Ville, 77034 Pontault-Combault, France. thierry.dubert@noos.fr Recent PIP fractures are challenging trauma in terms of diagnosis as well as treatment. It must be remembered that the final outcome will have a considerable impact on the global finger and hand function. Immediate mobilization and rehabilitation are mandatory, and may justify a surgical approach and fixation in selected cases. A good understanding of the fracture type is essential and relies in good part on precise, focused and standardized radiographs. Non-displaced fractures are generally treated conservatively. In the proximal phalanx, the orientation of the fracture line dictates the stability of the fracture. Thus non-displaced fractures can occasionally be preventively stabilized, in order to allow early mobilization. Displaced fractures should always be anatomically reduced and surgically fixed. A temporary joint stabilization is optional. In the middle phalanx, one must consider palmar and dorsal fractures differently. Palmar fractures include a distal palmar plate avulsion. The degree of impaction will dictate the stability of the joint towards dorsal subluxation. Dorsal fractures include central slip avulsion of the extensor tendon. An antomical reduction and surgical fixation is mandatory to avoid a progressive boutonniere deformity. Prognosis of all the middle fractures is closely dependent on the degree of impaction. When direct osteosynthesis is not possible, distraction devices, bone graft or palmar plate reconstruction may be useful alternatives. In complex fractures, bone fixation and joint stabilization must be combined in order to prevent secondary displacement and joint instability. DOI: 10.1016/j.main.2004.08.010