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Acta Orthopaedica et Traumatologica Turcica
Article . 2020 . Peer-reviewed
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Acta Orthopaedica et Traumatologica Turcica
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The results of surgical repair of sciatic nerve injuries

Authors: Atakan, Aydin; Türker, Ozkan; Hasan Utkan, Aydin; Murat, Topalan; Metin, Erer; Safiye, Ozkan; Zeynep Hoşbay, Yildirim;

The results of surgical repair of sciatic nerve injuries

Abstract

Abstract Objectives: The aim of this study was to evaluate surgical treatment and follow-up results of patients who presented to our department with sciatic nerve injuries. \r\nMethods: The study included 13 patients (12 males, 1 female; mean age 23 years; range 11 to 35 years) who underwent surgical treatment for sciatic nerve injuries. The etiologies of sciatic nerve injuries were penetrating trauma in five patients, firearm injuries in four patients, and motor vehicle accidents in four patients. Injuries involved the knee level in five patients, and above-the-knee level in eight patients. Peroneal nerve involvement was seen in all the patients, and the tibial nerve was involved in 11 patients. Primary repair was performed in six patients, neurolysis in three patients, and nerve grafting in three patients. One patient underwent neurolysis for the peroneal portion, and nerve grafting for the tibial portion. Muscle strength and reflex changes were recorded at every stage of the treatment. Muscle strength was assessed according to the British Medical Research Council scale. The Semmes-Weinstein monofilament test was used for sensory evaluation. The mean follow-up period was 4 years (range 1 to 6 years).\r\nResults: In 11 patients with tibial nerve injuries, the soleus/gastrocnemius strength was measured as follows: M1 in one patient, M3 in four patients, M4 in four patients, and M5 in two patients. Plantar sensation was absent in four patients, while seven patients had at least adequate protective sensation. In 13 patients with a peroneal nerve injury, the strength of the anterior tibial muscle was measured as follows: M0 in three patients, M2 in three patients, M3 in one patient, M4 in three patients, and M5 in three patients. Of these, four patients had persistent insensitivity in the dorsum of the foot, while six patients had protective sensation, and three patients had normal sensation. Two patients with inadequate anterior tibial muscle strength following nerve repair underwent posterior tibial tendon transfer for restoration of foot dorsiflexion. The greatest functional improvement was obtained in cases in which a neurolysis was performed; patients undergoing a primary repair had better outcomes compared to those where nerve grafts were used. The results were better in thigh level injuries than those in the gluteal region.\r\nConclusion: Low expectations after sciatic nerve repair in the past are now being rapidly replaced by a more optimistic approach. Advances in microsurgery and use of treatment algorithms based on scientific research account for this significant improvement in outcomes after sciatic nerve surgery. Tendon transfers can enhance the success rate and be combined with nerve repair in selected cases. Özet Amaç: Kliniğimize siyatik sinir yaralanması nedeniyle başvuran olguların cerrahi tedavileri ve takip sonuçları değerlendirildi.\r\nÇalışma planı: Çalışmaya siyatik sinir yaralanması nedeniyle sinir cerrahisi uygulanan 13 hasta (12 erkek, 1 kadın; ort. yaş 23; dağılım 11-35) alındı Siyatik sinir hasarından sorumlu nedenler beş hastada delici yaralanma, dördünde ateşli silah yaralanması, dördünde trafik kazası idi. Yaralanma seviyesi beş hastada diz seviyesi, sekiz hastada dizüstü seviye idi. Tüm olgularda peroneal sinir tutulumu görülürken, tibial sinir tutulumu 11 olguda görüldü. Sinir onarımı yapılan olguların üçüne nöroliz, altısına primer nörorafi, üçüne sinir grefti uygulandı. Bir hastada ise peroneal bölüme nöroliz, tibial bölüme sinir grefti uygulandı. Kas gücü ve refleks değişimleri tedavinin her aşamasında kaydedildi. Motor kas gücü İngiltere Tıbbi Araştırma Konseyi (British Medical Research Council) sistemine göre değerlendirildi. Duyu değerlendirmesi için Semmes-Weinstein monoflaman testi kullanıldı. Ortalama takip süresi 4 yıl (dağılım 1-6 yıl) idi.\r\nSonuçlar: Tibial sinir tutulumu olan 11 olgunun birinde M1, dördünde M3, dördünde M4 ve ikisinde M5 seviyesinde soleus/gastrokinemius kas gücü elde edildi. Dört hastada plantar duyu elde edilemedi, yedi hastada en az koruyucu duyu sağlandı. Peroneal sinir lezyonu olan 13 olgunun üçünde M0, üçünde M2, birinde M3, üçünde M4, üçünde de M5 seviyesinde anterior tibial kas gücü kazanıldı. Bu hastaların dördünde ayak dorsali anestezik kaldı, altısında koruyucu duyu, üçünde normal duyu elde edildi. Sinir onarımı yapılan fakat yeterli anterior tibial kas gücü elde edilemeyen olgulardan ikisine ayak dorsifleksiyonunun sağlanması için tibialis posterior transferi yapıldı. En iyi sonuçların nöroliz yapılan olgularda elde edildiği gözlendi; primer nörorafi yapılan olgularda orta seviyede, sinir grefti ile onarım yapılanlarda ise daha kötü sonuç elde edildi. Bacak seviyesindeki lezyonların tedavi sonuçlarının gluteal seviyedekilerden daha iyi olduğu gözlendi.\r\nÇıkarımlar: Siyatik sinir onarımlarına karşı geçmişteki karamsar yaklaşım hızla değişmektedir. Mikrocerrahideki gelişmeler ve bilimsel olarak etkinliği kanıtlanmış tedavi algoritmalarının kullanılması ile sonuçlarda anlamlı bir iyileşme gözlenmektedir. Tendon transferleri başarıyı artırabilir ve seçilmiş olgularda sinir onarımına eklenebilir.

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Keywords

Adult, Male, Adolescent, Accidents, Traffic, Wounds, Penetrating, Sciatic Nerve, Neuroma, Treatment Outcome, Humans, Female, Muscle Strength, Child

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
21
Top 10%
Top 10%
Top 10%
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