Two end-to-side neurorrhaphies and nerve graft with removal of the epineural sheath: experimental study in rats

Viterbo, Fausto; Trindade, José Carlos Souza; Hoshino, Katsumasa; Mazzoni, Augusto

doi:10.1016/0007-1226(94)90162-7

Cited by 207 publications

(182 citation statements)

References 9 publications

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“…In 1992 [1][2][3] , with the introduction of the new concept of the end-to-side neurorraphy (ETS) without lesion on the donor nerve, new surgical possibilities appeared. Since the donor nerve doesn't suffer any lesion, any nerve can be used as donor nerve.…”

Section: Discussionmentioning

confidence: 99%

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The embracing end-to-side neurorrhaphy in rats

et al. 2012

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PURPOSE:Compare two new methods with the traditional end-to-side neurorrhaphy. METHODS: Rats were divided into four groups. In A-L group the peroneal nerve was sectioned and the distal stump was connected to the lateral of the tibial nerve (donor) with two 10-0 nylon points. In A-R group two perineurium flaps embraced the donor nerve. In the B-R group a suture embraced the donor nerve. Group B-L was the control. After six months tibial cranial muscle mass and morphometry of the distal stump of the peroneal nerve were evaluated. RESULTS:Muscle mass in groups A-R, A-L and B-R were lower than B-L group (p<0.0001) an equal between themselves (p>0.05).Groups A-R, B-R and A-L had a lower number of nerve fibers when compared with B-L (p=0.0155, p=0.016, p=0.0021). CONCLUSION:The three types of neurorrhaphy showed no differences related to muscle mass and number of nerve fibers suggesting that the embracing with a single suture has great potential due its simplicity and usefulness in deep areas. CONCLUSÃO: Os três tipos de neurorrafia não apresentaram diferenças relacionadas à massa muscular e número de fibras nervosas sugerindo que a sutura abraçante com apenas um ponto apresente grande potencial em áreas cirúrgicas mais profundas.Descritores: Neurorrafia término-lateral. Sutura abraçante. Ratos. The embracing end-to-side neurorrhaphy in rats

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Section: Discussionmentioning

confidence: 99%

“…Since Viterbo et al [1][2][3] introduced the End-to-Side Neurorraphy (ETS) concept without lesion in the donor nerve, many studies were published 4,5 .…”

Section: Introductionmentioning

confidence: 99%

The embracing end-to-side neurorrhaphy in rats

et al. 2012

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“…This study used the neuro-muscular tibial-peroneal nerve and the cranial tibial muscle neuromuscular model 33 .…”

Section: Discussionmentioning

confidence: 99%

“…Sample homogeneity regarding initial and final animal mass is extremely important since the cranial tibial muscle mass is directly correlated with animal mass 33 .…”

Section: Discussionmentioning

confidence: 99%

Muscle reinnervation in one or two stages?: experimental study in rats with end-to-side nerve graft

et al. 2012

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PURPOSE: To compare muscle reinnervation in one and two surgical stages using end-to-side neurorrhaphy (ESN) without donor nerve injury. METHODS: The experiment was performed on four groups of 20 rats. Group 1 (G1), one stage, received the graft which was sutured to the tibial nerve, with ESN, and its free stump was sutured end-to-end to the distal stump of the sectioned peroneal nerve (PN), all in the same operation. In Group 2 (G2), two stages, the nerve graft was sutured to the tibial nerve, with ESN. Two months later the PN was sectioned and its distal stump connected to the distal stump of the graft as in G1. Normal control group (Gn) received the graft only sutured to the tibial nerve, with ESN. Denervated control group (Gd), as well received the graft and had the PN sectioned and its two stumps buried in adjacent musculature, with the aim of denervating the cranial tibial muscle (CTM), the target of this study. The parameters used to evaluate CTM reinnervation were muscle mass, muscle fiber's minimum diameter and area. RESULTS: The mean CTM mass, the average of the muscular fibers areas and the average of the muscular fiber minimum diameters was higher (all p<0.0001) in G2 than in G1. Comparing the four groups, these parameters had their maximum expression in Gn and the minimum in Gd, as expected. CONCLUSION: The two stages showed better muscle reinnervation than one stage.

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“…The precise mechanism of axonal regeneration following end-to-side neurrorhaphy remains controversial with both experimental and clinical studies reporting mixed results [4,6,8,11,12,19,20,[23][24][25][33][34][35][36][37]. Several authors have concluded that axonal damage to the donor nerve is required to induce motor collateral sprouting but may not be required to induce sensory sprouting in end-to-side neurorrhaphy [1,12,28,29].…”

Section: Discussionmentioning

confidence: 99%

Functional Recovery following an End to Side Neurorrhaphy of the Accessory Nerve to the Suprascapular Nerve: Case Report

Ray

Kasukurthi

Yee

et al. 2009

Hand (New York, N,Y.)

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The use of end-to-side neurrorhaphy remains a controversial topic in peripheral nerve surgery. The authors report the long-term functional outcome following a modified end-to-side motor reinnervation using the spinal accessory to innervate the suprascapular nerve following a C5 to C6 avulsion injury. Additionally, functional outcomes of an end-to-end neurotization of the triceps branch to the axillary nerve and double fascicular transfer of the ulnar and medial nerve to the biceps and brachialis are presented. Excellent functional recoveries are found in respect to shoulder abduction and flexion and elbow flexion.

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Two end-to-side neurorrhaphies and nerve graft with removal of the epineural sheath: experimental study in rats

Cited by 207 publications

References 9 publications

The embracing end-to-side neurorrhaphy in rats

The embracing end-to-side neurorrhaphy in rats

Muscle reinnervation in one or two stages?: experimental study in rats with end-to-side nerve graft

Functional Recovery following an End to Side Neurorrhaphy of the Accessory Nerve to the Suprascapular Nerve: Case Report

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