Journal List > J Korean Foot Ankle Soc > v.20(3) > 1043390

Chon, Choi, Kim, Sun, and Shin: The Short Term Outcome of Surgical Treatment for the Fifth Metatarsal Base Fracture Using a Headless Cannulated Compression Screw

Abstract

Purpose:

This study aimed to evaluate the outcomes, including the complications, of open reduction and internal fixation using a headless cannulated compression screw for a fifth metatarsal base fracture.

Materials and Methods:

We retrospectively investigated 11 patients with 5th metatarsal base fracture who were treated with a headless cannulated compression screw. The mean follow-up period was 13 months (8∼15 months), and the mean age was 46.5 years (21∼70 years). We analyzed the patients’ sex, age, time to union, amount of fracture displacement, and complications. The American Orthopaedic Foot and Ankle Society (AOFAS) midfoot score was used for clinical assessment.

Results:

The average amount of displacement decreased significantly from 3.4 mm (2.1∼5.2 mm), preoperatively, to 0.4 mm (0∼1.3 mm), postoperatively (p<0.001). The average bone union time was 54.1 days (41∼68 days). There were no complications, such as a metal failure, irritation, and loss of a reduction. The mean AOFAS midfoot score was 97.7 (90∼100) at 6 months, postoperatively.

Conclusion:

We suggest that a headless cannulated compression screw for 5th metatarsal base fracture is a useful and alternative method for a firm fixation without complications.

REFERENCES

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Figure 1.
A 3.0 mm headless cannulated compression screw with a low profile head to prevent soft tissue irritation and to facilitate countersinking, particularly in small bone was used.
jkfas-20-131f1.tif
Figure 2.
(A) A 50-year-old woman with 5th metatarsal base fracture. Initial oblique view with 3.1 mm displacement. (B) Immediate postoperative oblique view after open reduction and headless cannulated compression screw fixation. (C) Follow-up oblique view on her postoperative 6 months.
jkfas-20-131f2.tif
Table 1.
Patients’ Data
Patient No. Sex Age (yr) Time to union (day) AOFAS scale at 6 mo Preop. displacement (mm) Postop. displacement (mm)
1 Female 50 58 100 3.1 0.3
2 Male 24 68 100 2.1 0.7
3 Female 70 45 95 3.5 0
4 Female 29 52 100 3.5 1.3
5 Male 34 42 95 3.1 0.2
6 Male 45 62 100 3.4 0.5
7 Female 54 60 95 2.8 0.5
8 Male 21 47 100 3.8 0
9 Female 59 41 90 4.2 0
10 Female 70 57 100 5.2 0
11 Female 56 64 100 2.7 0

AOFAS: American Orthopaedic Foot and Ankle Society, Preop.: preoperative, Postop.: postoperative.

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