Fixation of Displaced Distal Ulna Fractures in Adults by Flexible Intramedullary Nail

Fixation of Displaced Distal Ulna Fractures in Adults by Flexible Intramedullary Nail

The distal ulna is an important weight-bearing component of the wrist joint and an essential element of the forearm articulation. After injury, significant residual malalignment or deformity of the distal ulna and deficiency of its ligamentous support have a deleterious effect on grip strength and forearm rotation. Although the best treatment option for displaced distal ulnar fracture remains a subject of debate, most surgeons aim for anatomical reduction and stable fixation to avoid disruption of the distal radioulnar joint. The investigators will assess clinical and radiological results of fixation of displaced distal ulna fractures in adults by flexible intramedullary nail.

The distal ulna is an important weight-bearing component of the wrist joint and an essential element of the forearm articulation. After injury, significant residual malalignment or deformity of the distal ulna and deficiency of its ligamentous support have a deleterious effect on grip strength and forearm rotation. Fractures of the distal ulna usually occur in association with distal radius fractures. Isolated distal ulnar fracture is an uncommon upper limb injury. It is usually the consequence of a direct blow against the soft tissue-deficient ulnar border. Injuries to the distal ulna can lead to derangement of the distal radioulnar joint (DRUJ), subsequently resulting in pain from incongruity or ulnocarpal impaction, limitation of forearm rotation due to scarring, and weakness secondary to instability of the joint under load. Isolated fractures of the distal third of the ulnar shaft can be treated successfully by conservative if not significantly displaced and if rotational malalignment is not present. Fractures with significant displacement or those with rotational malalignment (displaced spiral fracture patterns) are best be treated by osteosynthesis and functional rehabilitation in order to prevent loss of forearm rotation. Although the best treatment option for displaced distal ulnar fracture remains a subject of debate, most surgeons aim for anatomical reduction and stable fixation to avoid disruption of the distal radioulnar joint. The investigators aim is to assess clinical and radiological results of fixation of displaced distal ulna fractures in adults by flexible intramedullary nail. It is a prospective study patients with displaced distal ulna fractures in adult patient admitted in orthopaedic department of Sohag University Hospital after taking an informed consent from patients or near relatives. Fractures will be managed using flexible intra medullary nail . Patients with Intra articular fractures , Fractures with disturbed radioulnar joint , or Old malunited or deformed distal ulna are excluded. * Clinical evaluation of patient by Grace and Eversmann rating system used to assess functional evaluation ,VAS (visual analogue scale),or Dash score (Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire scores). * Radiological evaluation as plain x ray. Time plan : clinical and radiolodical evaluation as follow: * Immediately postoperative. * 2 weeks postoperative. * 1month postoperative. * 2 months postoperative. * 6 months postoperative.

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