Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons · 2023
Subchondral bone cysts remodel after correction of varus deformity in ankle arthritis.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Zhang Shu, Sun Chao, Zhang Jianzhong, Wang Zhi, Li Shuyuan, Zhang Mingzhu
Аннотация
BACKGROUND: Subchondral bone cysts (SBCs) of the talus are frequently observed in ankle osteoarthritis (OA). It is unclear whether the cysts need direct treatment after correction of the varus deformity in ankle OA. The purpose of this study is to investigate the incidence of SBCs and the change after supramalleolar osteotomy (SMOT).
METHODS: Thirty-one patients treated by SMOT were retrospectively reviewed, and 11 ankles had cysts preoperatively. After SMOT without management of the cysts, the evolution of cysts was evaluated on weightbearing computerized tomography (WBCT). The American Orthopaedic Foot and Ankle Society (AOFAS) clinical ankle-hindfoot scale and a visual analog scale (VAS) were compared.
RESULTS: At baseline, the average cyst volume was 65.86 ± 60.53 mm3. The number and volume of cysts were reduced dramatically (P＜.05), and the cysts vanished in 6 ankles after the SMOT. The VAS and AOFAS scores improved significantly after SMOT (P＜.001), there was no significant difference between ankles with cysts and without cysts.
CONCLUSIONS: The SMOT alone without direct treatment of the SBCs led to a decrease in the number and volume of SBCs in varus ankle OA.
LEVEL OF EVIDENCE: Level IV, case series.
METHODS: Thirty-one patients treated by SMOT were retrospectively reviewed, and 11 ankles had cysts preoperatively. After SMOT without management of the cysts, the evolution of cysts was evaluated on weightbearing computerized tomography (WBCT). The American Orthopaedic Foot and Ankle Society (AOFAS) clinical ankle-hindfoot scale and a visual analog scale (VAS) were compared.
RESULTS: At baseline, the average cyst volume was 65.86 ± 60.53 mm3. The number and volume of cysts were reduced dramatically (P＜.05), and the cysts vanished in 6 ankles after the SMOT. The VAS and AOFAS scores improved significantly after SMOT (P＜.001), there was no significant difference between ankles with cysts and without cysts.
CONCLUSIONS: The SMOT alone without direct treatment of the SBCs led to a decrease in the number and volume of SBCs in varus ankle OA.
LEVEL OF EVIDENCE: Level IV, case series.