The Knee · 2018
Management of knee flexion contracture in haemophilia with the Ilizarov technique.
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Zhai Jiliang, Weng Xisheng, Zhang Baozhong, Peng Huiming, Bian Yanyan
Аннотация
BACKGROUND: There are limited reports about management of Knee flexion contracture (KFC) in haemophiliacs with Ilizarov technique. The aim of this study was to retrospectively analyzed the results of Ilizarov technique to treat KFC.
METHODS: Six patients with haemophilia A and one with haemophilia B were included in this study, with an average age of 17 years old. The mean preoperative KFC and flexion angle of the knee were 58 ± 21° (mean ± standard deviation) and 127 ± 12°, respectively. Preoperative HSS score (hospital for special surgery knee score) was 51 ± 4. The average time of follow-up was 39.3 ± 23.3 months.
RESULTS: All the patients achieved full correction of flexion contracture at the end of distraction and maintained at the last follow-up. The mean flexion angle at the end of distraction and at the last follow-up were 41 ± 35° and 38 ± 19° respectively, which were significantly lower than preoperative flexion angle. The mean HSS score at the end of distraction and at the last follow-up were 65 ± 4 and 64 ± 2 respectively, which were significantly higher than the preoperative HSS score. One patient suffered from transient numbness of left leg, and all the patients had loss of range of knee flexion at last follow-up.
CONCLUSIONS: Ilizarov is an effective and safe procedure to treat KFC in haemophiliacs. However, loss of knee flexion was the most common complication.
METHODS: Six patients with haemophilia A and one with haemophilia B were included in this study, with an average age of 17 years old. The mean preoperative KFC and flexion angle of the knee were 58 ± 21° (mean ± standard deviation) and 127 ± 12°, respectively. Preoperative HSS score (hospital for special surgery knee score) was 51 ± 4. The average time of follow-up was 39.3 ± 23.3 months.
RESULTS: All the patients achieved full correction of flexion contracture at the end of distraction and maintained at the last follow-up. The mean flexion angle at the end of distraction and at the last follow-up were 41 ± 35° and 38 ± 19° respectively, which were significantly lower than preoperative flexion angle. The mean HSS score at the end of distraction and at the last follow-up were 65 ± 4 and 64 ± 2 respectively, which were significantly higher than the preoperative HSS score. One patient suffered from transient numbness of left leg, and all the patients had loss of range of knee flexion at last follow-up.
CONCLUSIONS: Ilizarov is an effective and safe procedure to treat KFC in haemophiliacs. However, loss of knee flexion was the most common complication.