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[Experimental microsurgery of the facial nerve: end-to-end suture versus approximated ends wrapped with masseter muscle aponeurosis]. 1998

A M Urpegui, and J M Abenia, and M J Morandeira, and J I Alfonso, and L J Domínguez, and J Martínez, and E Sancho, and J Millán, and H Vallés
Servicio de ORL, Hospital Clínico Universitario Lozano Blesa, Zaragoza.

As an alternative to end-to-end facial nerve microsurgery, we propose anastomosis of the sectioned nerve ends and wrapping with ipsilateral masseter fascia. This intervention was performed on the right facial nerve of 20 Wistar rats and compared with classical end-to-end anatomosis performed on the left nerve of the same rats. At the end of the experiment, histological studies were made of each nerve removed "en bloc" with the ipsilateral lip orbicular muscle. Five micra-thick sections were stained using conventional and immunohistochemical methods. We analyzed truncal integrity, fibroblast proliferation, demyelination, lymphocyte proliferation, granulomatous reaction, and muscle degeneration in both types of anastomosis. The differences between the two types of anastomosis were statistically non-significant, and both interventions produced similar functional results. Small differences between the techniques might condition the use of one or the other in selected cases.

UI MeSH Term Description Entries
D008297 Male Males
D008406 Masseter Muscle A masticatory muscle whose action is closing the jaws. Masseter Muscles,Muscle, Masseter,Muscles, Masseter
D008866 Microsurgery The performance of surgical procedures with the aid of a microscope.
D005154 Facial Nerve The 7th cranial nerve. The facial nerve has two parts, the larger motor root which may be called the facial nerve proper, and the smaller intermediate or sensory root. Together they provide efferent innervation to the muscles of facial expression and to the lacrimal and SALIVARY GLANDS, and convey afferent information for TASTE from the anterior two-thirds of the TONGUE and for TOUCH from the EXTERNAL EAR. Cranial Nerve VII,Marginal Mandibular Branch,Marginal Mandibular Nerve,Seventh Cranial Nerve,Nerve VII,Nerve of Wrisberg,Nervus Facialis,Nervus Intermedius,Nervus Intermedius of Wrisberg,Cranial Nerve VIIs,Cranial Nerve, Seventh,Facial Nerves,Mandibular Nerve, Marginal,Mandibular Nerves, Marginal,Marginal Mandibular Nerves,Nerve VIIs,Nerve, Facial,Nerve, Marginal Mandibular,Nerve, Seventh Cranial,Nerves, Marginal Mandibular,Nervus Faciali,Seventh Cranial Nerves,Wrisberg Nerve,Wrisberg Nervus Intermedius
D005260 Female Females
D000714 Anastomosis, Surgical Surgical union or shunt between ducts, tubes or vessels. It may be end-to-end, end-to-side, side-to-end, or side-to-side. Surgical Anastomosis,Anastomoses, Surgical,Surgical Anastomoses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013536 Suture Techniques Techniques for securing together the edges of a wound, with loops of thread or similar materials (SUTURES). Suture Technics,Suture Technic,Suture Technique,Technic, Suture,Technics, Suture,Technique, Suture,Techniques, Suture
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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