Journals / Acta Orthopaedica et Traumatologica Turcica / 2003 / Cilt: 37 - Sayı: 1

Results of the Ilizarov method in the treatment of pseudoarthrosis of the lower extremities

Alt ekstremite psödoartrozlarında Ilizarov yöntemi ve tedavi sonuçları

Pages
9–18
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Conclusion: The llizarov technique may simultaneously be successful in the treatment of joint contractures, angular, rota-tional, and translational deformities, shortening, and bone defects.

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Objective & Hypothesis:Objectives: We evaluated the results of the llizarov method in the treatment of pseudoarthrosis of the lower extremities.
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Key Findings & Data:Methods: Forty-six patients (34 men, 12 women; mean age 38.6 years; range 28 to 69 years) were treated by the llizarov method for femoral (11=8, 17%) and tibial (n=38, 83%) pseudoarthrosis.
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Conclusion & Impact:Conclusion: The llizarov technique may simultaneously be successful in the treatment of joint contractures, angular, rota-tional, and translational deformities, shortening, and bone defects.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Tibia kırıkları · Kemik uzatma · Femur kırıkları

Abstract

Objectives: We evaluated the results of the llizarov method in the treatment of pseudoarthrosis of the lower extremities. Methods: Forty-six patients (34 men, 12 women; mean age 38.6 years; range 28 to 69 years) were treated by the llizarov method for femoral (11=8, 17%) and tibial (n=38, 83%) pseudoarthrosis. The mean duration of the disease was 1.6 years (range 6 months to 4.8 years). Pseudoarthrosis was hypertrophie in seven patients (16%) and atrophie in 39 patients (84%). The mean number of previous opera-tions was 1.4 (range 0 to 4); the mean bone loss was 7.4 cm (range 3 to 12 cm); the mean shortening was 6.8 cm (range 0 to 12 cm); the mean size of the defect was 5.2 cm (range 3 to 12 cm). Applications were monofocal in 30 patients (66%) and bifocal in 16 patients (34%). The mean follow-up was 22.6 months (range 9 to 54 months). Results: Union occurred in all patients (92%) but four (2 monofo-cal, 2 bifocal). The fixator was applied for a mean of 208 days (range 93 to 750 days), which was 162 days (range 98 to 296 days) for monofocal, and 286 days (range 140 to 496 days) for bifocal applications. According to the Paley's criteria, the results for bone healing and function were excellent in 26 and 25 patients, good in 12 and 14 patients, fair in four and three patients, and poor in four patients, respectively. Pin tract infections developed in 28 patients, and reflex sympathetic dystrophy in three patients. Refracture occurred after the removal of the frame in three patients who received bifocal treatment. One patient developed transient per-oneal nerve palsy with drop foot. Equinus rigidity of the ankle was seen in four patients. Cancellous bone grafting was performed in four patients (25%) in whom delayed healing was observed at the target site following segmental bone transport. Three patients had union with a residual deformity of more than 7 degrees. In the monofocal group, none of the patients had a residual shortening of more than 1 cm. Following bifocal applications, no bone defects were observed; the mean residual length discrepancy was 1. 5 cm (range 0 to 4 cm), and the healing index was 52 days/cm. Conclusion: The llizarov technique may simultaneously be successful in the treatment of joint contractures, angular, rota-tional, and translational deformities, shortening, and bone defects.

Özet

Amaç: Alt eksremite psödoartrozlannın tedavisinde kullanılan llizarov yönteminin sonuçlan değerlendirildi. Çalışma planı: Çalışmaya llizarov yöntemiyle tedavi edilen 46 hasta (34 erkek, 12 kadın; ort. yaş 39; dağılım 28-69) alındı. Sekiz olguda (%17) femur, 38 olguda (%83) tibia tutulumu vardı. Ortalama psödoartroz süresi 1.6 yıl (dağılım 6 ay-4.8 yıl) idi. Yedi olguda hipertrofik (%16), 39'unda atrofik (%84) psödoartroz görüldü. Tedavi öncesinde geçirilen ortalama ameliyat sayısı 1.4 (dağılım 0-4); ortalama kemik kaybı 7.4 cm (dağılım 3-12 cm), ortalama kısalık 6.8 cm (dağılım 0-12 cm), ortalama kemik defekti 5.2 cm (dağılım 3-12 cm) idi. Olguların 16'smda (%34) bifokal, 30'unda (%66) monofokal uygulama yapıldı. Olgular ortalama 22.6 ay (dağılım 9-54 ay) süreyle izlendi. Sonuçlar: Dört olgu (iki monofokal, iki bifokal) dışında tüm olgularda (%92) kaynama sağlandı. Cihazda ortalama kalış süresi 208 gün (dağılım 93-750 gün) iken, bifokal grupta 286 gün (dağılım 140-496 gün), monofokal grupta ise 162 gün (dağılım 98-296 gün) idi. Paley ölçütlerine göre 26 olguda mükemmel, 12 olguda iyi, dört olguda orta, dört olguda kötü kemiksel sonuç alındı. Fonksiyonel sonuçlar 25 olguda mükemmel, 14 olguda iyi, üç olguda orta, dört olguda kötü idi. Yirmi sekiz olguda çivi dibi enfeksiyonu, üç olguda refleks sempatik distrofi görüldü; bifokal uygulamalı üç olguda cihaz çıkartıldıktan sonra yeniden kırık oluştu. Dört olguda ayak bileği sertliği, bir olguda geriye dönen peroneal sinir lezyonuna bağlı düşük ayak oluştu. Segment kaydırma olgularının dördünde (%25) hedef bölgede kaynama geciktiği için spongioz greftleme yapıldı. Üç olguda 7 derecenin üzerinde angülasyonla kaynama sağlandı. Monofokal uygulama yapılanlarda, kısalığın l cm'in üzerinde olmadığı görüldü. Bifokal uygulama yapılan defekt psödoartrozlarmda, uygulama sonrası hiç defekt kalmadı. Rezidüel kısalık ortalama 1-5 cm (dağılım 0-4 cm) idi. İyileşme indeksi ortalama 52 gün/cm bulundu. Çıkarımlar: llizarov yöntemiyle eklem kontraktürleri, angüler, translasyonel ve rotasyonel deformiteler, kısalık, kemik defektleri gibi tüm sorun ve eksiklikler aynı anda giderilemektedir.

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Cite This Article

ÖZTÜRKMEN, Y., DOĞRUL, C., KARLI, M. (2003). Results of the Ilizarov method in the treatment of pseudoarthrosis of the lower extremities. Acta Orthopaedica et Traumatologica Turcica, Cilt: 37 - Sayı: 1, 9–18. https://ajindex.com/articles/354288

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