Ankle fractures in Finland: 118,929 operatively treated between 1987 and 2019

Authors

  • Ville Happonen Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio https://orcid.org/0000-0002-7039-4071
  • Heikki Kröger Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio; Kuopio Musculoskeletal Research Unit, University of Eastern Finland, Kuopio; University Hospital, Kuopio, Finland
  • Markku Kuismin Kuopio Musculoskeletal Research Unit, University of Eastern Finland, Kuopio; University Hospital, Kuopio, Finland
  • Reijo Sund Kuopio Musculoskeletal Research Unit, University of Eastern Finland, Kuopio; University Hospital, Kuopio, Finland https://orcid.org/0000-0002-6268-8117

DOI:

https://doi.org/10.2340/17453674.2022.2071

Keywords:

ankle, fracture, incidence, surgery

Abstract

Background and purpose:  Ankle fractures are one of the most common fractures requiring operative treatment. They occur most commonly in postmenopausal women and younger men and recent studies suggest that the incidence of ankle fractures is increasing. In this registry study, we analyze inpatient data of operatively treated ankle fractures during a period of 33 years from our comprehensive nationwide register data.

Patients and methods: The data on operatively treated ankle fracture patients between January 1, 1987 and December 31, 2019 was collected from the Finnish National Hospital Discharge Register and analyzed.

Results: 118,929 ankle fractures were treated operatively. These included lateral malleolar fractures (33%), bior trimalleolar fractures (51%), medial malleolar fractures (7%), and other fractures (9%). Mean age was 53 (SD 17) years for women and 43 (16) for men. The average annual incidence rate was 69 per 100,000 person-years. Over the past 3 decades incidence has leveled off for women and has
started to decline for men. However, the incidence is increasing in the elderly women group (over 70 years of age). In the over 50 age group, comorbidities have increased over the years, being more common in men than in women. The incidence of ankle fractures was higher during the winter months (November–March).

Interpretation: The number of operatively treated ankle fractures has leveled off during the last 33 years. However, nowadays we operate on more difficult fractures in elderly patients with comorbidities.

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Published

2022-02-11

How to Cite

Happonen, V., Kröger, H., Kuismin, M., & Sund, R. (2022). Ankle fractures in Finland: 118,929 operatively treated between 1987 and 2019. Acta Orthopaedica, 93, 327–333. https://doi.org/10.2340/17453674.2022.2071

Issue

Section

National/international register study

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