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KMID : 0896720030070010013
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Journal of the Korean Society of Foot Surgery
2003 Volume.7 No. 1 p.13 ~ p.20
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The Outcome of the Treatment of Lesser toe Brachymetatarsia - focus on complications -
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Lee Ho-Seong
Yoon Jun-O
Park Soo-Sung
Kim You-Jin
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Abstract
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Purpose: We analysis the outcome and complications of treatment of lesser toe brachymetatarsia.
Material and Methods : We anaylsed 28 patients 35 cases of lesser toe brachymetatarsia. Mean post operative follow up period was 2 years 8 months. All of the patients were female and mean age at operation was 21 years old. 2 cases of third metatarsal bone and 33 cases of fourth metatarsal bone were operated. 8 metatarsal bones were treated using one staged lengthening with tricortical bone graft and 27 metatarsal bones were treated using callotasis with monofixator.
Results: The average amount of lengthening was 13.3mm(12mm-15mm) in one staged lengthening, while 14.4mm(4mm-23mm) in callotasis. Average percentile increase was 28.9%(26%-34%) in one staged lengthening and 32%(18%-46%) in callotasis. The average healing index of callotasis was 76 days/cm (41 days/cm-166 days/cm). Satisfied outcomes in 4 cases of 8 cases (50%) after one staged lengthening and 17 cases of 27 cases (63%) after callotasis. 6 complications in 4 cases were occurred after one staged lengthening ; insufficient length gain in 3 cases, fracture on the junction of graft bone and metatarsal bone in 1 case, plantar bowing deformity in 1 case and bony fusion of metatarsophalangeal joint in 1 case. 17 complications in 10 patients were occurred after callotasis; metatarsophalangeal joint stiffness in 8 cases, metatarsophalangeal joint subluxation in 2 cases, overlengthened metatarsal bone in 2 cases, tapering of callus in 1 case, fracture of callus in 1 case, premature consolidation of callus in 1 case, osteomyelitis of metatarsal head in 1 case and planter bowing deformity in 1 case.
Conclusions:Although one staged lengthening and gradual lengthening using callotasis are effective treatment for lesser toe brachymetatarsia, complications not rarely occurred after lengthening. Insufficient lengthening are most common complication after one staged lengthening while metatarsophalangeal joint stiffness are most common complication after callotasis.
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KEYWORD
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Brachymetatarsia, Lessor toe, One stage lengthening, Callotasis, Complications
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