نتایج جستجو برای: vocal cords
تعداد نتایج: 23130 فیلتر نتایج به سال:
with these measures there is always the risk of irreversible damage to the vocal cords, potentially causing permanent changes in vocal tone and phonation. Today, after 18 months of treatment the patient is doing well and FEV 1 remains stable in the range of 2.9–3 liters (78–80% of predicted value). Laryngeal involvement in sarcoidosis causing upper airway obstruction is rare but potentially lif...
Vocal cord dysfunction (VCD) is a disorder characterized by unintentional paradoxical adduction of the vocal cords, resulting in episodic shortness of breath, wheezing and stridor. Due to its clinical presentation, this entity is frequently mistaken for asthma. The diagnosis of VCD is made by direct observation of the upper airway by rhinolaryngoscopy, but due to the variable nature of this dis...
Vocal cord dysfunction (VCD) is a respiratory condition characterized by the paradoxical closure of the vocal cords. This condition results in a myriad of symptoms that would be expected from an upper airway obstruction including anxiety, hyperventilation, wheezing, stridor, shortness of breath, dyspnea, and suprasternal and neck muscle retraction. with known VCD who underwent local anesthesia ...
A 71-YR-OLD man admitted for elective off-pump coronary bypass grafting had a medical history of diphtheria in childhood, hypertension and myocardial ischemia with stable angina pectoris, and no previous anesthesia. The airway was Mallampati class 1 (thyromental distance 7 cm, normal cervical spine mobility). General anesthesia was induced with sevoflurane. Ventilation through a facial mask was...
Morbid obesity is associated with difficult laryngoscopy and intubation. In the general population, bedside indices for predicting difficult intubation (i.e. Mallampati classification, thyromental distance, sternomental distance, mouth-opening and Wilson risk score) have poor-to-moderate sensitivity (20-62%) and moderate-to-fair specificity (82-97%). In the obese population, although the risk o...
The only treatment for the terminal symptoms of the laryngeal cancer is to remove the larynx including vocal cords, which mean that the patient loses his voice. Esophageal speech is a method of speech production using an esophagus. An air inhaled in the upper esophagus generates the esophagus vibration to produce a belch-like sound that can be shaped into speech. Although this method has diffic...
Sulcus vocalis is a linear depression on the mucosal cover of the vocal folds, parallel to the free border, of variable depth, usually bilateral and symmetrical. Its etiology is controversial. Bouchayer et al. consider it to be congenital because of hoarseness in childhood, its diagnosis in the larynx of children and in many family members, and the very association with other congenital larynge...
We have developed a speech synthesis system based on the speech production process. In the system, control parameters for the vocal tract shape and vocal cords are interactively set in order to produce speech output. Such an intuitive system is useful not only for speech research but also for teaching materials in speech science. In this paper, a network-based articulatory speech synthesis syst...
We report the first case of three delayed complications following irradiation for laryngeal carcinoma: bilateral vocal cord immobility, obstruction of esophagus and spontaneously ruptured pseudoaneurysm of common carotid artery. Medial fixation of bilateral vocal cords and stenosis of cervical esophagus were noted at 28 years after radiotherapy. Spontaneous rupture of a pseudoaneurysm bulging i...
OBJECTIVE The aim of this study was to assess the reliability and limitations of confocal laser endomicroscopy (CLE) for diagnosing lesions of the vocal cords and differentiating malignant from non-malignant lesions. PATIENTS AND METHODS During microlaryngoscopy, the vocal cords were scanned by probe-based CLE (pCLE: a GastroFlex probe with the Cellvizio® laser system, Mauna Technologies, Par...
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