Radial head fractures – update on classification and management

Functional outcomes post-radial head arthroplasty: a systematic review of literature

BACKGROUND

The present study was conducted to determine the quality and content of research on the functional outcomes and complications post-metal radial head arthroplasty (RHAP).

METHODS

A comprehensive search of medical databases for studies reporting on functional outcomes of patients undergoing metallic RHAP was conducted. The Structured Effectiveness Quality Evaluation Scale (SEQES) was used to evaluate quality of the studies.

RESULTS

We identified 21 Sackett's Level IV studies reporting on 391 radial heads. The mean duration of follow-up was 47.2 months and the mean (SD) age of patients was 48.4 years (6.9 years). The male to female ratio was found to be 1.05 : 1 and the dominant arm was involved in 54% of patients. When functional outcomes achieved post-RHAP were compared with normative scores, the comparison suggested that RHAP has good to excellent functional outcomes in short- to mid-term follow-up. The weighted mean (SD) Mayo Elbow Performance Score was 85.8 (4.1) (95% confidence interval 85.3 to 86.3). Incidences of implant removal (3.06%) and revision (2.22%) were found to be low.

CONCLUSIONS

There is consistent low-quality evidence of positive functional outcomes following RHAP. The heterogeneity of type of implant, patient characteristics and outcome measures used, along with an inadequate reporting of study details, restrict any definitive conclusions being made.

Management of Mason type 1 radial head fractures: a regional survey and a review of literature

INTRODUCTION

Despite being the most common fracture around the elbow, the management of Mason type 1 radial head fractures lacks a clear protocol in literature. The aims of this study were to assess our practice of managing this injury and to create guidance for the management of these fractures based on literature review.

METHODS

We designed a survey investigating the practice of orthopaedic surgeons in the management of Mason type 1 fracture. The literature review was carried out looking for the best practice guidelines.

RESULTS

Forty-nine surgeons (out of 56) responded, and mean duration of immobilisation was 11.69 days with the collar and cuff sling as the preferred method. 65.3% offered physiotherapy service to their patients. 20.4% recommended plain radiographic imaging follow-up. Mean duration of follow-up was 43.9 days. Decision to discharge the patient was mostly (77.6%) dependent on clinical improvement at time of last examination. 4.1% of treatment decisions were evidence based.

CONCLUSION

We observed a wide variation in the management of this common injury. Based on the current literature, the best protocol for the management of type 1 radial head fractures should be joint aspiration, followed by immobilisation in a broad arm sling for 2 days. At the first outpatient visit, assessment of the collateral stability should be performed. Patients with stable elbows should be encouraged to stretch these beyond the painful range. Patients can be discharged at this stage with an advice to come back for a clinical and radiographic assessment if there is no improvement at 6 weeks.