Person:
Romero Gómez, Bárbara

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First Name
Bárbara
Last Name
Romero Gómez
URI
https://hdl.handle.net/20.500.14352/79978
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Óptica y Optometría
Department
Inmunología, Oftalmología y ORL
Area
Otorrinolaringología
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2019 - 201912020 - 20221
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Item Type: Publication × Subject: 616.21 ×

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    Comparison between two surgical techniques for increasing vocal pitch by endoscopic shortening of the vocal folds
    (Journal of voice, 2022) Casado Morente, Juan Carlos; Benjumea Flores, Felipe Luis; Romero Gómez, Bárbara; Angulo Serrano, María Soledad; O'Connor Reina, Carlos; Casado Alba, Carlos; Galeas López, Antonio José; Carricondo Orejana, Francisco Javier
    Objective: To compare two surgical techniques, the Wendler glottoplasty (GP) and its modification, the vocal fold shortening, and retrodisplacement of the anterior commissure (VFSRAC) associated with laser assisted voice adjustment (LAVA) cordotomy, used to feminize the voice of transgender women by increasing the fundamental frequency (F0). Methods: A retrospective study of 22 trans-women (20-62 years-old) was carried out. 12 of them were treated with GP and 10 with the VFSRAC+LAVA technique. They were evaluated before surgery and 6 months after surgery and the postoperative speech therapy. Laryngostroboscopy examination, F0 measurements, Transgender Woman Voice Questionnaire (TWVQ) assessment and the perceptual assessment using a visual analog scale (PA-VAS) were obtained from all patients. Results: Laryngostroboscopic findings showed normal vocal folds before surgery and a shortening of the vocal folds, due to the anterior glottic synechia, after surgery. Significant increases of F0 were found in both groups but they were higher in the VFSRAC+LAVA group (47.75Hz in GP group vs 69.70Hz in VFSRAC+LAVA group). TWVQ scores showed a significant decrease in both groups although the difference was greater in the VFSRAC+LAVA group. Similarly, PA-VAS scores lowered significantly in both groups but VFSRAC+LAVA group presented the biggest decreases. Conclusion: Both surgical techniques produce the shortening of the vocal folds through an endoscopic approach and result in voices with higher vocal pitch. Of the two techniques presented, the VFSRAC+LAVA produces better results although when compared with previous studies it seems that the LAVA technique may not significantly contribute to the postoperative results. So, the VFSRAC technique followed by postoperative speech therapy could be recommended for trans-women who wish to feminize their voice.
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    The Cochlear Spiral Ganglion Neurons: The Auditory Portion of the VIII Nerve
    (The anatomical record : advances in integrative anatomy and evolutionary biology, 2019) Carricondo Orejana, Francisco Javier; Romero Gómez, Bárbara
    The VIII nerve is formed by sensory neurons that innervate the inner ear, i.e., the vestibular and the auditory receptors. Neurons of the auditory portion, the cochlear afferent fibers that innervate the sensory hair cells of the organ of Corti, have their somas in the cochlear spiral ganglion where two types of neurons can be distinguished. Afferent Type-I neurons are the 95% of the total population. Bipolar and myelinated fibers, each one innervates only one cochlear inner hair cell (IHC). In contrast, afferent Type-II neurons are only the 5% of the spiral ganglion population. They are pseudounipolar and unmyelinated fibers and innervate the cochlear outer hair cells (OHC) so that one afferent Type-II fiber contacts with multiple OHCs, but each OHC only receives one contact from one Type-II neuron. Both types of VIII nerve fibers are glutamatergic, but these asymmetric innervations of the cochlear sensory cells could suggest that the IHC codifies the truly auditory message but the OHC only informs about mechanical aspects of the state of the organ of Corti. In fact, the central nervous system (CNS) has control over the information transmitted by the Type-I neuron by means of axons from the superior olivary complex that innervate them to modulate, filter and/or inhibit the entry of auditory message to CNS. The aim of this paper is to review the current knowledge about the anatomy and physiology of the auditory portion of the VIII nerve. Anat Rec, 302:463-471, 2019. © 2018 Wiley Periodicals, Inc.