Extremities

No benefit in function seen with minimally invasive plate osteosynthesis for humeral shaft fractures

By Monica Jaramillo

Compared with open reduction and internal fixation, minimally invasive plating osteosynthesis was linked with a higher rate of postoperative malrotation of greater than 20° and did not improve function or restore strength in patients with humeral shaft fractures.

Researchers prospectively evaluated 26 patients with humeral shaft fractures treated with minimally invasive plate osteosynthesis (MIPO) and 27 patients treated with open reduction and internal fixation (ORIF) at a level 1 trauma center. Investigators used CT scans to determine humeral retroversion angle and postoperative malrotation.

At 12 months postoperatively, patients were evaluated for union, muscle strength, Constant score and American Shoulder and Elbow Surgeons (ASES) score. In addition, investigators recorded patients’ degree of internal and external rotation.

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