The Floating Knee Injuries: Does it Need a New Classification System?
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ORIGINAL ARTICLE
The Floating Knee Injuries: Does it Need a New Classification System? Burçin Karslı1 · Sezgin Bahadır Tekin2 Received: 19 August 2020 / Accepted: 21 October 2020 © Indian Orthopaedics Association 2020
Abstract Background This study aims to determine the differences between the clinical and radiological results of patients based on Karlstrom–Olerud Scoring System who cannot be included in any classification for floating knee injuries and to seek an answer to the question of whether a new classification is needed. Material and Methods Seventy patients with floating knee injuries treated in our clinic were retrospectively analyzed between 2008 and 2019 in the study. The results of fractures that classifiable and unclassifiable according to the Fraser, Blake and McBryde classifications were statistically compared based on the Karlstrom–Olerud criteria. Results Seventy patients, 64 males and 6 females, participated in the study. The mean age of our patients was 32.3 ± 12.55 (18–68) years. The mean follow-up period of the patients was 30.26 ± 18.19 months (11–60 months). The results of the fractures that could not be classified according to the Blake and McBryde classification were statistically poorer than the results of those that could be classified according to the criteria (p = 0.041). The results of the fractures that could not be classified according to the Fraser classification were statistically poorer than the results of those that could be classified according to the criteria defined by Karlstrom and Olerud (p = 0.010). Conclusion We observed that floating knee injuries that we could and could not classify led to different clinical results. In conclusion, we think that there is a need for a new floating knee classification that includes segmental fractures, patellar fractures and open fractures. Keywords Floating knee · Classification · Trauma · Ipsilateral · Femur · Tibia
Introduction Floating knee injuries were described for the first time in 1975 by Blake and McBryde have been of interest since that time [1]. The treatment of floating knee injuries, which are generally caused by high energy traumas, requires a good planning of treatment. In the literature, studies report both favorable and unfavorable results based on the preferred treatment method [2–6]. We think that different treatment results reported in the literature * Burçin Karslı [email protected] Sezgin Bahadır Tekin [email protected] 1
Tıp Fakültesi Ortopedi ve Travmatoloji AD, Gaziantep Üniversitesi, Üniversite Bulvarı, Şehitkamil, 27310 Gaziantep, Turkey
Department of Orthopaedics and Traumatology, Ersin Arslan Education Research Hospital, Gaziantep, Turkey
2
are due to the differences in the management of patients’ treatment processes. While planning our study, we realized that some fractures could not be classified according to the current classification systems used for floating knees. Considering that the classifications provide guidance for treatments and facilitate planning, whether a new c
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