The drilling could be performed as previously planned without harming facial nerve and chorda tympani.
Rau Thomas S., Witte Sina, Uhlenbusch Lea, Lexow Jakob, Hügl Silke, Majdani Omid,Lenarz Thomas 2018, 'Minimally invasive mastoidectomy approach using a mouldable surgical targeting system',Current Directions in Biomedical Engineeringhttp://www.degruyter.com/view/j/cdbme.2018.4.issue-1/cdbme-2018-0096/cdbme-2018-0096.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
One (9.1%) lesion originated from the chorda tendinea of the mitral valve.
Jacob Lavee, Shi-Min Yuan, Hua Jing 2009, 'Tumors and tumor-like lesions of the heart valves', Rare Tumorshttp://www.pagepress.org/journals/index.php/rt/article/view/666. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In this small series, the main advantages were: virtually no trauma to the chorda tympani nerve and excellent vision.
João Flávio Nogueira Júnior, Marcos Jullian Barreto Martins, Carolina Veras Aguiar,Antônio Israel Pinheiro 2011, 'Estapedotomia totalmente endoscópica: técnica e resultados preliminares Fully endoscopicstapes surgery (stapedotomy): technique and preliminary results', Brazilian Journal of Otorhinolaryngologyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-86942011000600008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We then recorded the response to the same taste stimuli in 40 single chorda tympani nerve fibers.
Koposov Alexey, Roberts Thomas W, Cragin Tiffany, Danilova Vicktoria, Wang Yiwen,Hellekant Göran 2009, 'The sweet taste quality is linked to a cluster of taste fibers in primates: lactisolediminishes preference and responses to sweet in S fibers (sweet best) chorda tympanifibers of M. fascicularis monkey', BMC Physiologyhttp://www.biomedcentral.com/1472-6793/9/1. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The electrophysiological recordings showed that aging did not alter the function of the chorda tympani nerve.
Chizuko Inui-Yamamoto, Takashi Yamamoto, Katsura Ueda, Michiko Nakatsuka, Shunji Kumabe,Tadashi Inui, Yasutomo Iwai 2017, 'Taste preference changes throughout different life stages in male rats.', PLoS ONEhttp://europepmc.org/articles/PMC5526549?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
No significant difference was detected between the chorda tympani nerve transection and chorda tympani nerve transection+ lingual nerve transection groups.
Yi-ke Li, Juan-mei Yang, Yi-bo Huang, Dong-dong Ren, Fang-lu Chi 2015, 'Shrinkage of ipsilateral taste buds and hyperplasia of contralateral taste buds followingchorda tympani nerve transection', Neural Regeneration Researchhttp://www.nrronline.org/article.asp?issn=1673-5374;year=2015;volume=10;issue=6;spage=989;epage=995;aulast=Li. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the microscope has some limitations and may cause complications such as damage to the chorda tympani nerve.
João Flávio Nogueira Júnior, Marcos Jullian Barreto Martins, Carolina Veras Aguiar,Antônio Israel Pinheiro 2011, 'Estapedotomia totalmente endoscópica: técnica e resultados preliminares Fully endoscopicstapes surgery (stapedotomy): technique and preliminary results', Brazilian Journal of Otorhinolaryngologyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-86942011000600008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The mean chorda-facial angle in our study was 26.91° ± 1.19°, with a range of 25° to 28.69°.
Shraddha Jain, PT Deshmukh, Pooja Lakhotia, Sanika Kalambe, Deepshikha Chandravanshi,Mohnish Khatri 2019, 'Anatomical Study of the Facial Recess with Implications in Round Window Visibilityfor Cochlear Implantation: Personal Observations and Review of the Literature', International Archives of Otorhinolaryngologyhttp://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1676100. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)