Journal List > J Korean Foot Ankle Soc > v.24(1) > 1144010

Lee, Cho, Kang, Cho, and Choi: Outcomes of Immediate Operative Treatment of Ankle Trimalleolar Open Fractures

Abstract

Purpose

Generally, the treatment of ankle trimalleolar open fractures is divided into two stages: external fixation and debridement; and secondary internal fixation. On the other hand, this two-stage operation takes considerable treatment time and is challenging in procedures requiring reduction. The purpose of this study was to evaluate the radiologic and clinical results of an immediate one-stage internal fixation operation considering the wound conditions to overcome two stage operation disadvantages.

Materials and Methods

From September 2009 to January 2018, 24 cases of ankle trimalleolar open fractures, who underwent immediate internal fixation and were followed up for at least one year, were studied retrospectively. The open wound was divided into the Gusti-lo-Anderson classification. Open reduction and internal fixation were performed on every medial and lateral malleolar fracture. On the other hand, with posterior malleolar fractures, surgical or conservative treatment was performed depending on the fragment size. The radiologic outcome was evaluated using the Burwell and Charnley criteria and American Orthopaedic Foot and Ankle Society (AOFAS) scores, and complications, such as infection and posttraumatic arthritis, were used for the clinical evaluation.

Results

The wound was classified into eight cases (33.3%) of type I, 11 cases (45.8%) of type II, and five cases (20.8%) of type IIIa. The degree of reduction was anatomical, fair, and poor in 16 cases (66.7%), six cases (25.0%), and two cases (8.3%), respectively. The mean AOFAS score was 79 points, and there were complications, such as infection in three cases (12.5%) and post-traumatic arthritis in two cases (8.3%).

Conclusion

Satisfactory results were obtained through immediate surgical treatment in ankle trimalleolar open fractures of types I, II, and IIIa.

References

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Figure 1.
(A) The initial film shows a trimalleolar fracture of the tibia with medial open wound. (B) Gustilo-Anderson II exposition. (C) Postoperative radiograph shows satisfactory position of plate and 4.0 mm cannulated screws.
jkfas-24-25f1.tif
Figure 2.
(A) A 55-year-old male sustained a right trimalleolar fracture with medial open wound after traffic accident. (B) First, lateral malleolar fracture was fixed using 1/3 semitubular plate, and 4.0 mm cannulated screws were applied. After 2 weeks, Wound infection was observed. (C) After 5 weeks, incision and debridement was done on medial malleolar infective wound.
jkfas-24-25f2.tif
Table 1.
Patient Data
Case Age (yr)/Sex Wound G-A Fixation device B-C Union time (wk) AOFAS Complications
Location Size (cm) Med. Lat. Post.
1 51/male Med. 2 Type II Screw Plate Screw Anatomical 16 91 No
2 74/female Med. 0.5 Type I Screw Plate Conservation Fair 19 95 No
3 68/female Med. 1 Type I Screw Plate Screw Anatomical 16 100 No
4 64/male Lat. 11 Type IIIa Screw Rush pin cannulated screw Screw Poor 20 83 Arthritis
5 31/male Med. 3 Type II Screw Plate Conservation Anatomical 20 97 No
6 73/male Lat. 0.5 Type I Screw Plate Screw Anatomical 15 98 No
7 74/female Lat. 2 Type II Screw Plate Screw Anatomical 17 83 No
8 55/male Med. 13 Type IIIa Screw Plate Screw Fair 16 87 Infection
9 72/female Med. 5 Type II Screw Plate Screw Anatomical 16 93 No
10 48/female Lat. 10 Type IIIa Screw Rush pin cannulated screw Screw Anatomical 15 86 Infection
11 24/female Med. 2 Type II Screw Plate Screw Fair 16 88 No
12 33/male Med. 2 Type II Screw Plate Screw Anatomical 20 88 No
13 57/female Lat. 1 Type I Screw Plate Conservation Anatomical 17 97 No
14 58/female Lat. 2 Type II Screw Plate Screw Anatomical 19 90 No
15 43/male Med. 12 Type IIIa Screw Plate Screw Fair 18 84 Infection
16 59/female Med. 0.5 Type I Screw Plate Screw Anatomical 17 100 No
17 31/female Lat. 0.5 Type I Screw Plate Screw Anatomical 18 95 No
18 56/female Med. 4 Type II Screw Plate Screw Fair 16 90 No
19 56/female Med. 5 Type II Screw Plate Conservation Anatomical 18 90 No
20 55/female Lat. 5 Type II Screw Plate Screw Anatomical 16 88 No
21 60/female Med. 2 Type II Screw Plate Screw Anatomical 20 91 No
22 75/female Lat. 13 Type IIIa Screw Rush pin cannulated screw Screw Poor 18 84 Arthritis
23 39/female Med. 0.5 Type I Screw Plate Screw Anatomical 17 90 No
24 65/female Med. 1 Type I Screw Plate Screw Fair 16 98 No

G-A: Gustillo-Anderson classification, B-C: Burwell-Charnley classification, AOFAS: American Orthopaedic Foot and Ankle Society score, Med.: medial malleolar side, Lat.: lateral malleolar side, Screw: 4.0 mm cannulated screw.

Table 2.
Comparison with Other Open Ankle Fracture Article
Study Open ankle fracture case Infection Post traumatic QA
Ovaska et al. (2015)16) 134 23 (17.2) 15 (11.2)
Franklin et al. (1984)15) 38 6 (15.8) 13 (34.2)
Tho et al. (1994)17) 15 6 (40.0) 7 (46.7)
Our study (I, II, IIIa) 24 3 (12.5) 2 (8.3)
Our study (II, IIIa) 16 3 (18.8) 2 (12.5)

Values are presented as number only or number (%). OA: osteoarthritis.

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