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Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) ›› 2019, Vol. 05 ›› Issue (03): 167-172. doi: 10.3877/cma.j.issn.2096-0263.2019.008

Special Issue: Orthopedics

• Epidemiology of Orthopedics in Elderly Patients • Previous Articles     Next Articles

The retrospective analysis of 956 cases with posterior malleolar fractures

Ning Wei1, Wenli Chang1, Chenguang Du1, Zhiyong Hou1, Shiqiang Zhang1, Zhenqing Jiao1, Zengyan Li1, Wei Chen1,(), Yingze Zhang1   

  1. 1. Trauma Emergency Center of the Third Hospital of Hebei Medical University, Orthopedic Research Institution of Hebei Province, Key Laboratory of Orthopedic&Biomechanics of Hebei Province, Shijiazhuang 050051, China
  • Received:2018-09-23 Online:2019-06-05 Published:2019-06-05
  • Contact: Wei Chen

Abstract:

Objective

To investigate the characteristics and changes of posterior malleolar fractures, and to develop a more reasonable plan for the treatment of posterior malleolar fractures.

Methods

The retrospective case series was used to analyze the clinical data of patients with posterior malleolar fractures from January 2009 to December 2014, and to analyze the gender, age and distribution of fracture sites.

Results

A total of 4 278 cases of ankle fractures were collected, including 956 posterior malleolar fractures, 555 males and 401 females, with a male to female ratio of 1.38∶1. The high incidence of fractures was 20-60 years old; The adult malleolar injury predominated in an age range of 20 and 60 years. There were more males than females in the group of patients who were less than 50 years and more females than males significantly in the group of patients who were aged over 50 years. The differences of gender constituent ratio at different age were statistical significance (P<0.05). The fractures occurred more commonly on posterior combined with lateral malleolar fracture (37.7%). The posterior malleolar fracture of medial malleolus were 10.2% and three ankle fractures were 1.9% over the first three years. The type often involved of fractures was three ankle fractures (26.1%) three years after. The posterior malleolar fracture of medial malleolus were 7.0% and posterior combined with lateral malleolar fracture were 4.5%. The differences of fracture sites constituent ratio between the two groups were statistical significance (P<0.05). The top three injury mechanism were sprain (35.4%), traffic injury (28.1%) and falls (23%).

Conclusions

The peak age of patients with posterior malleolar fractures were20 to 60 years. Males more than females. The high-risk fracture is posterior malleolar fracture with an external malleolus fracture. The number of fractures in the lastest three years is significantly increased. Common injury mechanism are sprain, traffic accident and falls. The road traffic safety awareness should be strengthened to reduce the incidence of posterior malleolar fracture. Fully understanding of the injury cause at consultation to prevent missed diagnosis, and followed a reasonable treatment plan according to the stability of the ankle joint.

Key words: Ankle fractures, Epidemiology, Sex distribution, Age distribution

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