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Abstract
Purpose:
The purpose of this study is to evaluate the incidence and cause of reamputation with respect to the location of foot amputation.
Materials and Methods:
Eighty-six patients who received amputations below the ankle level from March 2002 to September 2012 with at least 1 year follow-up were enrolled in this study. We stratified the site of the initial amputation from first to fifth ray and into either the phalanx or metatarsal bone, and investigated the cause of reamputation.
Results:
The reamputation rate below the ankle level was 53.5%. It was highest (62.1%) in patients with first ray amputations without statistical significance. Rays were divided into two columns, first to third rays as the medial column and others as the lateral column, and reamputation was performed in 61.2% of patients with medial column amputation. Comparing the results between phalanx and metatarsal amputations, reamputation was performed in 62.1% of patients with metatarsal bone amputation. The rate of reamputation was statistically significant in both the medial column and metatarsal amputations. The most common reamputation site, in accordance to the initial site of amputation, was the adjacent ray (57.4%), which was without statistical significance. Moreover, the most common cause of reamputation was osteomyelitis and focal infection in all rays.
Conclusion:
This study showed that reamputation after amputation below the ankle level was relatively common with highest rate in medial column and metatarsal amputations. Hence, surgeons should be aware of the risk of reamputation and put more preventive effort during medial column and metatarsal amputations.
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Table 1.
Location of Single-Ray and Multi-Ray
Table 2.
Comparison between Amputation Group and Reamputatio Group
Table 3.
Comparison between Groups according to Location of Ray Amputation
Table 4.
Comparison between Metatarsal Amputation Group and Phalanx Amputation Group
Table 5.
Comparison between Medial Column (1st, 2nd, 3rd Ray) Amputation Group and Lateral Column (4th, 5th Ray) Amputation Group
Table 6.
Comparison between Single-Ray Amputation Group and Multi-Ray Amputation Group
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