Clinical Scorecard: Comparison of Femoral Neck System and Cannulated Screws for Treating Pauwels Type III Femoral Neck Fractures in Younger Adults: A Systematic Review and Meta-Analysis

At a Glance

Key Highlights

• Femoral Neck System (FNS) provides superior angular and rotational stability compared to Cannulated Screws (CS) in Pauwels type III fractures.
• FNS is associated with faster fracture healing, earlier weight-bearing, fewer postoperative complications, and better hip function (Harris Hip Score) than CS.
• CS results in less intraoperative blood loss but has higher rates of fixation failure and complications in this fracture type.

Guideline-Based Recommendations

Diagnosis

• Identify Pauwels type III femoral neck fractures in non-elderly adults through clinical and radiographic assessment.

Management

• Consider Femoral Neck System (FNS) fixation for improved mechanical stability and clinical outcomes in Pauwels type III fractures.
• Cannulated Screws (CS) may be used but are associated with higher complication rates and delayed healing in this fracture pattern.

Monitoring & Follow-up

• Monitor fracture healing time and weight-bearing progression postoperatively.
• Assess for postoperative complications including fixation failure, nonunion, femoral neck shortening, and osteonecrosis.
• Evaluate hip function using validated scores such as the Harris Hip Score.

Risks

• FNS may lead to increased intraoperative blood loss compared to CS.
• CS fixation has higher risk of postoperative complications and may require revision surgery.

Patient & Prescribing Data

Non-elderly adults (<65 years) with Pauwels type III femoral neck fractures

FNS offers better clinical outcomes including faster healing and improved hip function despite increased intraoperative blood loss; CS has less blood loss but higher complication rates.

Clinical Best Practices

• Select fixation method based on fracture stability needs, prioritizing FNS for Pauwels type III fractures in younger adults.
• Prepare for potentially increased intraoperative blood loss when using FNS.
• Implement early mobilization protocols following FNS fixation to leverage earlier weight-bearing benefits.
• Conduct regular postoperative monitoring for complications and functional recovery.

References

• Systematic Review Registration PROSPERO CRD420251111561