[Blocked metacarpophalangeal joint: etiologic factors and treatment]

The metacarpo-phalangeal is a crucial joint and its stiffness deeply affects hand function. A series of 15 post-traumatic cases resulting in a complete and irreversible block of the joint is presented. Indication for joint release are given and the surgical technique is described. Different approaches are utilized in relationship to associated lesions. Post-operative treatment and percentages of improvement in joint excursion for each digit are reported. All working patients resumed the previous job even in presence of a limited articular gain. Best results where confined uncomplicated post-traumatic cases with crushing of surrounding soft tissues.