Accuracy of the hexapod external fixator in treating tibial angular deformities with or without limb length discrepancy : a retrospective study
Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc..
OBJECTIVE: Hexapod external fixator systems allow simultaneous deformity correction in multiple planes as well as limb lengthening. The aim of this study is to evaluate the accuracy of a hexapod frame (smart correction frame) in different types of tibial deformities requiring correction with or without lengthening.
METHODS: A total of 54 tibial angular deformities and limb length discrepancies operated with a hexapod frame between January 2015 and January 2021 were classified into four groups: "Group A ( n = 13): only lengthening," "Group B ( n = 14): lengthening and uniplanar correction," "Group C ( n = 16): only uniplanar correction," and "Group D ( n = 11): biplanar correction." The accuracy of angular deformity correction/lengthening was calculated by dividing the actual correction/lengthening achieved after frame removal by the preoperative planned lengthening/correction.
RESULTS: The lengthening accuracy in Group A and Group B was 96.3 ± 7.1% and 95.7 ± 5.9%, respectively ( P = 0.685). The angular deformity correction accuracy was 85.1 ± 9.9% for Group B, 85.2 ± 13.9% for Group C, and 80.2 ± 18.4% for Group D ( P = 0.852). A revision program was performed in six cases (1 in Group B, 1 in Group C, and 4 in Group D) for full correction of the deformities.
CONCLUSION: The accuracy of tibial lengthening is high with the hexapod frame and is minimally affected by simultaneous deformity correction; however, the accuracy of angular correction slightly reduces as the deformity becomes more complex. Surgeons should be aware that reprogramming may be required after complex deformity correction.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:32 |
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| Enthalten in: |
Journal of pediatric orthopedics. Part B - 32(2023), 6 vom: 01. Nov., Seite 611-616 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Danişman, Murat [VerfasserIn] |
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| Anmerkungen: |
Date Completed 23.10.2023 Date Revised 23.10.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1097/BPB.0000000000001101 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM357802241 |
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| 100 | 1 | |a Danişman, Murat |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Accuracy of the hexapod external fixator in treating tibial angular deformities with or without limb length discrepancy |b a retrospective study |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Completed 23.10.2023 | ||
| 500 | |a Date Revised 23.10.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc. | ||
| 520 | |a OBJECTIVE: Hexapod external fixator systems allow simultaneous deformity correction in multiple planes as well as limb lengthening. The aim of this study is to evaluate the accuracy of a hexapod frame (smart correction frame) in different types of tibial deformities requiring correction with or without lengthening | ||
| 520 | |a METHODS: A total of 54 tibial angular deformities and limb length discrepancies operated with a hexapod frame between January 2015 and January 2021 were classified into four groups: "Group A ( n = 13): only lengthening," "Group B ( n = 14): lengthening and uniplanar correction," "Group C ( n = 16): only uniplanar correction," and "Group D ( n = 11): biplanar correction." The accuracy of angular deformity correction/lengthening was calculated by dividing the actual correction/lengthening achieved after frame removal by the preoperative planned lengthening/correction | ||
| 520 | |a RESULTS: The lengthening accuracy in Group A and Group B was 96.3 ± 7.1% and 95.7 ± 5.9%, respectively ( P = 0.685). The angular deformity correction accuracy was 85.1 ± 9.9% for Group B, 85.2 ± 13.9% for Group C, and 80.2 ± 18.4% for Group D ( P = 0.852). A revision program was performed in six cases (1 in Group B, 1 in Group C, and 4 in Group D) for full correction of the deformities | ||
| 520 | |a CONCLUSION: The accuracy of tibial lengthening is high with the hexapod frame and is minimally affected by simultaneous deformity correction; however, the accuracy of angular correction slightly reduces as the deformity becomes more complex. Surgeons should be aware that reprogramming may be required after complex deformity correction | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Yilmaz, Engin Türkay |e verfasserin |4 aut | |
| 700 | 1 | |a Özdemir, Erdi |e verfasserin |4 aut | |
| 700 | 1 | |a Tuncay, Ozan |e verfasserin |4 aut | |
| 700 | 1 | |a Yilmaz, Güney |e verfasserin |4 aut | |
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