Infected Tibial Nonunion: Assessment of compression distraction Ilizarov technique without debridement - 30/11/21
, Mahmoud Kandeel, Abd Sameh Halawa, Mohamed Salah Siger
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Abstract |
Background |
The treatment of infected nonunion requires radical debridement with stable fixation. Sever soft tissue compromise of the nonunion site might interfere with radical debridement. This study discussed the outcome of treatment of infected tibial nonunion with sever soft tissue compromise by a cyclic compression distraction technique using Ilizarov without radical debridement.
Methods |
This study comprised 17 patients with unilateral infected tibial nonunion; 10 with diaphyseal and 7 with metaphysial locations.Their mean age was 21.9 years. There were 12 males and 5 females. The right side was affected in 11 patients and the left side in 6 patients. According toGustilo and Anderson classification, all patients were grade III. The mean limb shortening was 1.3cm. All patients were treated initially in another institute by uniplanner external fixator with rotational skin flap done in 11 patients and thiersch graft in 6 patients. One patient had common peroneal nerve affection. Distal circulation was sufficient in all patients. None of our patients had chronic diseases. Two to three cycles of gradual distraction compression were done. Each cycle consisted of distraction, followed by compression, then distraction, and lastly compression. The mean follow up period was 29.35 months.
Results |
Union was achieved in all patients at a mean time of 23.9 weeks. According to Hammer et al.; there were 8 patients with grade 1, and 9 patients with grade 2. According to Johner and Wruhs’ criteria; the outcome was excellent in 6 patients, goodin 3 patients, poor in 4 patients, and fair in 4 patients. Complications had occurred as pin tract infection (47.1%), persistent discharging sinus (5.9%), and valgus ankle deformity (11.8%). Refracture did not occur in any case till the final follow up.
Conclusion |
Although debridement is essential in the treatment of infected tibial nonunion, it could harm the limb in severe soft tissue compromise. Cyclic compression distraction by Ilizarov had a satisfactory outcome in the treatment of such cases through enhancement of a biological environment to achieve union.
Level of evidence |
IV; prospective case series.
Il testo completo di questo articolo è disponibile in PDF.Keywords : Infected nonunion of the tibia, Sever soft tissue compromise, Cyclic compression distraction, Ilizarov circular external fixator, Radical debridement.
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Vol 107 - N° 8
Articolo 102881- Dicembre 2021 Ritorno al numero
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