Syndactyly Versus Closed Reduction in 5th Metacarpal Neck Fracture

* Inclusion Criteria: * Men and Women ≥ 18 years old. * Admitted to the Emergency Department with fracture of 5th metacarpal neck, in acute phase (maximum 72 h of evolution) with a possibility of clinical and radiological follow-up of at least 6 months. * Willing to participate in the study and give their consent in writing. * Exclusion Criteria: * Patients younger than 18 years. * Patients presenting with more than 72 h of evolution * Patients with comminuted neck fractures. * Patients with angulation greater than 70 in the lateral-oblique plane * Patients with clinical-radiological disruption * Patients with previous fractures in the metacarpal. * Patients with open fracture grade II-III Gustilo. * Patients with bifocal fractures or fractures in another metacarpal-phalanx or carpal bones requiring different treatment. * Polytraumatized patients requiring further care that prevents them from adjusting to the therapeutic regimen specific to the protocol of isolated metacarpal fractures. * Patients with congenital anomalies on hand affect * Patients with a psychic disability (dementia-psychiatric illness or mental disorder) that prevents their collaboration in the follow-up * Patients with medical or surgical pathologies that at the discretion of the investigator do not allow their participation in the study. * Patients with inability to understand the nature and purpose of the study and / or to accept written participation in the study. * Unable to attend the pre-established clinical follow-up. * Do not wish to participate or give their consent in writing.