Locking plate fixation for proximal humerus fractures: are four proximal screws adequate? A clinical and radiological analysis of 105 consecutive cases - Scorecard - MDSpire
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Evaluation of Four Proximal Screws in Locking Plate Fixation for Proximal Humerus Fractures: A Clinical and Radiological Study of 105 Cases

  • By

  • Christian Michelitsch

  • Philipp Florian Stillhard

  • Christoph Zindel

  • Christoph Sommer

  • Yves Pascal Acklin

  • August 30, 2026

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Clinical Scorecard: Evaluation of Four Proximal Screws in Locking Plate Fixation for Proximal Humerus Fractures: A Clinical and Radiological Study of 105 Cases

At a Glance

CategoryDetail
ConditionProximal Humerus Fractures
Key MechanismsMinimally invasive plate osteosynthesis (MIPO) with screw fixation
Target PopulationElderly patients with traumatic proximal humerus fractures
Care SettingLevel 1 trauma center

Key Highlights

  • Proximal humerus fractures are common, especially in the elderly.
  • Operative management has substantial complication rates, including implant loosening and screw cut-out.
  • Achieving anatomic reduction is crucial for favorable functional outcomes.
  • The study compares outcomes of four-screw fixation versus multi-screw fixation.
  • Postoperative care includes physiotherapy and weight-bearing progression based on radiographic evidence.

Guideline-Based Recommendations

Diagnosis

  • Fractures categorized as AO/OTA type 11-A: C.

Management

  • Operative treatment indicated for significant displacement patterns.

Monitoring & Follow-up

  • Routine outpatient follow-up to assess functional outcomes and complications.

Risks

  • Complications include implant loosening, reduction loss, and screw cut-out.

Patient & Prescribing Data

Patients aged 18 and older with traumatic proximal humerus fractures.

Minimally invasive fixation with up to four proximal screws is utilized.

Clinical Best Practices

  • Ensure anatomic reduction and medial cortical support during fixation.
  • Use appropriate screw positioning to enhance stability.
  • Follow a standardized postoperative care protocol to promote recovery.

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