Standardization of techniques used in facial nerve section and facial movement evaluation in rats.

@article{Faria2006StandardizationOT,
  title={Standardization of techniques used in facial nerve section and facial movement evaluation in rats.},
  author={Simone Damasceno de Faria and Jos{\'e} Ricardo Gurgel Testa and Andrei Borin and Ronaldo Nunes Toledo},
  journal={Brazilian journal of otorhinolaryngology},
  year={2006},
  volume={72 3},
  pages={341-7}
}
AIM Standardization of the technique to section the extratemporal facial nerve in rats and creation of a scale to evaluate facial movements in these animals before and after surgery. STUDY DESIGN Experimental. METHOD twenty Wistar rats were anesthetized with ketamine xylazine and submitted to sectioning of the facial nerve near its emergence through the mastoid foramen. Eye closure and blinking reflex, vibrissae movement and positioning were observed in all animals and a scale to evaluate… CONTINUE READING

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Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Eye closure and blinking reflex , vibrissae movement and positioning were observed in all animals and a scale to evaluate these parameters was then created .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
The presence of complete eye closure and blinking reflex scored 5 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Eye closure and blinking reflex , vibrissae movement and positioning were observed in all animals and a scale to evaluate these parameters was then created .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
Absence of eye blinking and closure scored 1 ; the presence of orbicular muscle contraction , without blinking reflex , scored 2 ; 50% of eye closure through blinking reflex , scored 3 , 75% of closure scored 4 .
The presence of complete eye closure and blinking reflex scored 5 .
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