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Foot Ankle Int. 2017 Mar;38(3):255-260. doi: 10.1177/1071100716678796. Epub 2016 Nov 14.

Nonoperative Versus Operative Treatment of Displaced Ankle Fractures in Diabetics.

Author information

1
1 Mount Sinai Hospital, Department of Orthopaedic Surgery, New York, NY, USA.
2
2 Icahn School of Medicine at Mount Sinai, New York, NY, USA.
3
3 Elmhurst Hospital Center, Department of Orthopedic Surgery, Elmhurst, NY, USA.

Abstract

BACKGROUND:

Diabetes is a risk factor for complications related to displaced ankle fractures. Limited literature exists comparing complication rates in nonoperative versus operative treatment of displaced ankle fractures in diabetics. No study has highlighted the natural history of nonoperative treatment of displaced ankle fractures in diabetics.

METHODS:

We retrospectively reviewed all adult ankle fractures from September 2011 through December 2014. Inclusion was limited to ambulatory adults (>18 years) with closed, displaced (widened mortise) ankle fractures with diabetes mellitus. Nonoperative treatment consisted of closed reduction and casting. Fractures were classified according to the Lauge-Hansen and AO-Weber classification systems. All operative fractures underwent open reduction internal fixation (ORIF) within 3 weeks of injury. Functional outcomes and complication rates were compared. Of 28 displaced diabetic ankle fractures, 20 were treated nonoperatively (closed reduction and casting) and 8 operatively (ORIF within 3 weeks of injury). Mean follow-up was 7 months (range 3-18 months).

RESULTS:

Age, insulin-dependent diabetes, and AO type B fracture rate were similar in nonoperative and operative cohorts, but fracture dislocation rate was significantly higher among operative fractures (87.5% vs 40%; P = .04). Nonoperative treatment was associated with a 21-fold increased odds of complication compared with operative treatment (75% vs 12.5%, OR 21.0, P = .004). Complication rate following unintended ORIF for persistent nonunion or malunion in nonoperatively treated patients was significantly greater compared with immediate ORIF (100% vs 12.5%, P = .005).

CONCLUSION:

Nonoperative treatment of displaced diabetic ankle fractures was associated with unacceptably high complication rates when compared to operative treatment.

LEVEL OF EVIDENCE:

Level III, retrospective comparative series.

KEYWORDS:

Charcot; ankle; complications; diabetes; displaced; fracture; nonoperative; operative

PMID:
27923219
DOI:
10.1177/1071100716678796
[Indexed for MEDLINE]

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