1Department of Orthopedic Surgery, Akhtar Hospital, Shahid Beheshti Medical University, Tehran, Iran
2Department of Orthopedic Surgery, Taleghani Hospital, Shahid Beheshti Medical University, Tehran, Iran
Dislocation of the first carpometacarpal (CMC) is a rare occurrence. Treatment of this dislocation varies from closed reduction and casting to ligament repair. Neglected dislocation or incomplete reduction of the 1st CMC cause chronic instability and painful arthritis, muscle imbalance and decreased grip force. In our study 6 patients is evaluated that were visited in less than 24 hours from their injury. All were primarily reduced and except one patient later injured ligament were repaired. All patient after 6 months had normal range of motion without pain and they had not any complaint. Stability at the 1st CMC joint is dependent on static and dynamic forces. However, dislocation of the 1st CMC occur rare, but important function of the thumb specially in gripping and grasping makes it a significant problem. Injured ligament should repair for increased stability of 1st CMC joint, because neglected dislocation or incomplete reduction cause chronic instability and painful arthritis.
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