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PubMed1998

Lubrication mechanism of the larynx during phonation: an experiment in excised canine larynges.

To evaluate how the viscosity of the laryngeal mucus influences vocal fold vibration, two fluids of differing viscosity were applied separately to excised canine larynges and experimental phonation was induced. Vibration of the vocal folds was measured by use of a laryngostroboscope and an X-ray stroboscope. With the high viscosity fluid, the amplitude of vibration of the free edge and the peak glottal area was decreased while the open quotient was increased. Because the viscosity of this fluid affected the wave motion of the vocal fold mucosa, changes in viscosity of the mucus may be involved in causing such disorders as hoarseness, in the absence of apparent changes in the vocal folds themselves.

Animals↗
PubMed1999

Hypothyroid myopathy with unusually high serum creatine kinase values.

Depending on the degree of hormone deficiency, skeletal muscle involvement may occur in hypothyroidism. Usually, hypothyroid myopathy is associated with creatine kinase values <5,000 U/l. We report a 54-year-old man suffering from increasing fatigability, hoarseness, gait disturbances and a creatine kinase of 9,000 (normal: <80 U/l). He presented with bradyphrenia, macroglossia, dysarthria, myxedema, monoparesis, reduced deep tendon reflexes and stocking-type sensory disturbances. Free triiodthyronine was 0.25 pg/ml (normal: 0.6-1.9 pg/ml), free thyroxine <0.1 ng/dl (normal: 0. 6-1.8 ng/dl) and the thyroid-stimulating hormone >48.0 (normal: 0. 1-4.0 IU). Clinical neurologic examination and electromyography were compatible with myopathy and polyneuropathy. Other causes of myopathy, except hypothyroidism, were excluded. After L-thyroxine therapy (1.7 microg/kg BW/day) during 3 months, the patient's symptoms and signs vanished, except for sensory disturbances, and creatine kinase values and electromyography became normal. Severe hypothyroidism may be associated with highly elevated creatine kinase and myopathy. Adequate therapy leads to complete recovery, including myopathy.

Creatine Kinase↗
PubMedDate not supplied

Diagnosis and physiopathology of laryngeal deposits in autoimmune disease.

We report the clinical features and pathology of a previously unreported form of vocal fold disease seen in 4 patients, 3 of whom were diagnosed as autoimmune disease. The characteristic features of these lesions were found as bilateral transverse lesions in the mid portion of the vocal folds. The patients had dysphonia and diplophonia. Stroboscopic examinations showed 180-degree phase shifts between the anterior and posterior portion of the vocal folds. Case 1 had systemic lupus erythematosus, case 2 had Hashimoto's thyroiditis, and case 3 had progressive systemic sclerosis. Prior to the onset of hoarseness, autoimmune antibody titers were increased. These cases need differential diagnosis from vocal fold nodules and cysts. Two cases were recurrent after endoscopic surgery, 1 recurring 3 times. Glucocorticoid was effective in preventing the recurrence in the early phase. Recurrence may have occurred because the surgical strategy was the same as that used for vocal fold nodules or cysts.

Adult↗
PubMed1998

A new beclomethasone dipropionate multidose powder inhaler in the treatment of bronchial asthma.

The clinical efficacy, tolerability and acceptability of a new multidose powder inhaler (MDPI) containing beclomethasone dipropionate (BDP) were compared with those of a BDP aerosol administered with a large volume spacer (MDI-spacer) among adult asthmatics currently receiving from 500 to 1,000 microgram/day of an inhaled corticosteroid. During the study, the dosage of BDP from both devices was 400 microgram twice daily. Ninety-one patients were randomized to the MDPI group and 42 to the MDI-spacer group. The trial was performed as an open, randomized, parallel group multicenter study. The duration of the treatment period was 12 weeks, and the study was preceded by a 2-week run-in period. During the run-in period, the mean morning peak expiratory flow (PEF) was 487 and 466 1/min in the MDPI and MDI-spacer groups, respectively. After the 12-week treatment, the morning PEF was 491 1/min in the MDPI group and 463 1/min in the MDI-spacer group. The evening values were 500 and 479 1/min during the run-in period and 496 and 476 1/min after the 12-week treatment, respectively. Asthma symptom scores and the use of rescue medication were low in both groups, indicating good efficacy of the preparations tested. The median dose of histamine required to decrease forced expiratory volume in 1 s by 15% increased during the study from 800 to 1,098 microgram in the MDPI group and from 795 to 960 microgram in the MDI-spacer group. The most frequent adverse events in both groups were hoarseness and sore throat. There were no statistically significant differences between the treatment groups in serum cortisol values or in the number of patients with thrush. Seventy-two percent of the patients regarded the MDPI easier to use while 95% considered it more portable. Over 80% of the patients felt that the MDPI was also easier to clean and as easy or easier to learn to use than the MDI-spacer. To conclude, the novel powder inhaler is well tolerated and at least equally effective as the conventional MDI-spacer combination in the treatment of asthma with BDP. However, in everyday use, patients clearly favored the powder inhaler.

Administration, Inhalation↗
PubMedDate not supplied

Dysphonia subsequent to severe traumatic brain injury: comparative perceptual, acoustic and electroglottographic analyses.

We tested the applicability of the Goettinger Hoarseness Diagram (GHD) for quantitative evaluation of voice disorders after severe traumatic brain injury (TBI) and compared the obtained data with those from established voice analysis systems such as the Multi-Dimensional Voice Program (MDVP), electroglottography (EGG) and perceptual ratings using sustained vowel productions from 10 patients with TBI dysarthrophonia at late stages postinjury and of 10 healthy control speakers. Statistical analyses revealed significant intergroup differences with respect to various acoustic and perceptual measures, i.e., irregularity component, noise component, noise-to-harmonic ratio, shimmer, jitter, roughness, creakiness, strained-strangledness, hypernasality. By contrast, the considered EGG estimates, i.e., open quotient and speed quotient, did not allow for separation of patients and controls. In addition, the two GHD components exhibited close correlations to perceived roughness and creakiness, on the one hand, and breathiness and, to some degree, nasality, on the other, whereas the MDVP parameters failed to differentiate between these two perceptual modes of phonation.

Adult↗
PubMedDate not supplied

Endoscopic CO(2) laser surgery for large internal laryngocele.

The laryngocele is a benign air-filled dilatation of the saccule of the laryngeal ventricle. Its appearance may be related to increased intralaryngeal pressure due to chronic straining. The internal laryngocele is confined to the false vocal cord, and it does not pass through the thyrohyoid membrane. The most common symptoms for internal laryngocele are hoarseness and dysphagia. Large internal laryngoceles may also cause airway compromise, especially when complicated with infection. Endoscopic laser surgery is an acceptable mode of treatment even for large internal laryngoceles as in the present case.

Aged↗
PubMed2003

Laryngeal stridor in multiple system atrophy.

The purpose of this study was to elucidate the clinical features of laryngeal stridor in 104 patients with multiple system atrophy (MSA) and to predict the hazard risk. Stridor was observed in 36 patients. It occurred in the first year of the disease in 10 cases, and 69% of the cases were diagnosed with stridor within the first 4 years. Dysphagia and hoarseness had a statistically higher frequency in the stridor group, and the onset period of these elements correlated with the onset of stridor. A follow-up study of survival probability was carried out in 83 patients. The median survival period in the stridor group (33 cases) and the non-stridor group (50 cases) was 8.0 and 9.0 years, respectively. Treatment for stridor decreased the relative risk from 2.998 to 0.147. Laryngeal stridor is a common and early clinical symptom in MSA. Early treatment for stridor is advisable to reduce mortality.

Adult↗
PubMedDate not supplied

Primary malignant tumors of the trachea - the Tata Memorial Hospital experience.

OBJECTIVE: Primary tumors of the trachea are extremely rare. Treatment methods vary considerably and few studies have sought to provide adequate guidelines. This study reviews the records of patients treated for tracheal cancer at the Tata Memorial Hospital (TMH), Mumbai, India. SUBJECTS AND METHODS: Fifteen patients with primary tracheal malignancies were identified in the TMH database during the period from 1983 to 2000. They were predominantly males (87%) belonging to an older age-group (67% above 40 years). Common presenting symptoms were cough, hoarseness, hemoptysis and indications of airway obstruction. Squamous cell carcinoma was the commonest histologic subtype (40%) followed by adenoid cystic carcinoma (27%). Ten patients received radical treatment. One patient underwent surgery (resection and anastomosis) and received postoperative radiotherapy. Another was explored but was found to be unresectable and was 1 of 2 patients treated with chemotherapy and radiotherapy. Laser resections and radiotherapy were used in 2 patients while 4 patients were managed with radiotherapy alone. One patient was treated elsewhere. The majority of patients (8/9) were treated with locoregional fields and doses ranging from 40 to 60 Gy (median 50 Gy). Two patients also received intraluminal brachytherapy, 1 as part of initial treatment and another for recurrence. RESULTS: Only 5 patients treated at TMH (5/9) achieved local control of their disease. Follow-up times ranged from 1 month to 134 months, median of 38 months. Distant metastases were identified in 4 patients (bone n = 1 and lung n = 3). Median survival was 38 months. Overall survival at 5 years was 37% by Kaplan-Meier method, but this figure should be treated with caution since only 6 patients had a follow-up of more than 2 years. CONCLUSION: Tracheal cancer is a rare malignancy. Radiation therapy is a reasonably effective modality for unresectable disease.

Adult↗
PubMedDate not supplied

Primary lymphoma of the larynx: new diagnostic and therapeutic approaches.

Tumors primary in the larynx, when not of squamous cell origin, require special diagnostic and therapeutic attention. An unexpected case of non-Hodgkin's lymphoma localized in the larynx in a patient with a brief history of dysphagia and hoarseness is discussed. This supraglottic tumor was extensively characterized at our institution for morphologic features by microlaryngoscopy, histology, immunocytochemical profiles with flow cytometry, chromosomal aberrations using banded karyotyping and extent of disease via PET-CT imaging. Our detailed analysis distinguished this neoplasm as a new-onset diffuse large B cell laryngeal lymphoma rather than a mucosa-associated lymphoid tissue lymphoma. A rational diagnostic approach guided the combination chemotherapy/immunotherapy treatment strategy instead of traditional localized radiation therapy. These findings highlight the importance of a thorough phenotypic and cytogenetic characterization of head and neck neoplasms, which has implications for downstream diagnostic considerations, interventional strategies and the available therapeutic options. The presence of nonsquamous laryngeal tumors reinforces the dictum to obtain a reliable tissue diagnosis before initiating definitive therapy.

Antibodies, Monoclonal↗
PubMedDate not supplied

Language, articulation, voice and resonance characteristics in 4 children with Goldenhar syndrome: a pilot study.

The purpose of this study was to describe the language, articulation, voice and resonance characteristics in children with Goldenhar syndrome. The 4 Dutch-speaking subjects were 2 boys (age 4.5 and 10.2 years) and 2 girls (aged 5.0 and 5.4 years) with normal cognitive functioning. Language testing showed a delay in the development of morphosyntactic abilities. Speech analysis showed that these four children were capable of producing all the sounds of their mother tongue. One type of distortion error, namely dentalization, was found in 2 children. Phonological process analysis revealed the persistence of processes such as final consonant deletion, unstressed syllable deletion and cluster reduction, which are normal in young children but are suppressed with maturation. Also the substitution process of devoicing was observed in these 4 children. It is not clear how the speech and language problems demonstrated in these 4 children are to be explained. It must be taken into consideration that the Goldenhar syndrome has a variable expression. It is possible that the presence of a mandibular defect, hearing impairment, the type and severity of palatal abnormality and decreased linguistic processing skills influence articulation in an individual child. The voices of 2 children were characterized by the presence of slight roughness, corresponding with a higher jitter percentage. How the occurrence of the hoarse voices is to be explained is not quite clear. Laryngoscopic evaluation of the vocal folds showed no organic or functional voice disorder. Regarding resonance, only the child with a cleft palate showed hypernasality and nasal emission. The ENT specialist and the speech-language pathologist must be aware of these communication disorders in order to start preventive and early 'tailor-made' speech and language intervention as soon as possible.

Articulation Disorders↗
PubMed2004

Extra-esophageal disorders in gastroesophageal reflux disease.

Gastroesophageal reflux disease (GERD) is a common condition that effects about 10% of the adult population comprising a broad spectrum of symptoms and varying degrees of severity and frequency. Extra-esophageal manifestations are increasingly being recognized. Up to 50% of patients with an endoscopically proven or negative esophagitis suffer from symptoms other than heartburn or acid regurgitation such as laryngitis, hoarseness, chronic cough, asthma, or non-cardiac chest pain. The therapy of choice is proton pump inhibitors.

Asthma↗
PubMed2006

The prevalence and risk factors for occupational voice disorders in teachers.

OBJECTIVE: Occupational voice disorders in Poland account for over 25% of all occupational diseases. The aim of the study was to assess the prevalence of voice problems in the general population of Polish teachers, and identify risk factors for developing voice pathology. PATIENTS AND METHODS: The study group comprised 425 female full-time teachers (most of them primary and secondary school, age ranging from 23 to 61 years) and 83 non-teacher women (control) whose jobs did not involve vocal effort, matched for age to the study group. All participants were subjected to a survey using an extensive questionnaire, and to laryngological, phoniatric and videostroboscopic examinations. RESULTS: The overall lifetime vocal symptoms were more frequent in the teachers than in the non-teachers (69 vs. 36%), and in particular it related to permanent and recurrent hoarseness, and dryness in the throat. Mean number of the voice symptoms was 3.21 in teachers and 1.98 in controls (p < 0.001). Abnormal (non-euphonic) voice, neck muscle hypertension during phonation and incorrect resonator function were also significantly more frequent in the teachers. Mean maximum phonation time was shorter in teachers than in the controls (14.3 vs. 15.9 s, p < 0.01). Occupational voice disorders and hyperfunctional dysphonia (that is thought to predispose to such pathology) were found in 32.7% of teachers and 9.6% of control subjects. The probability of developing incomplete glottal closure (odds ratio 13.2x; 95% CI: 1.8-96.8) and hyperfunctional dysphonia (odds ratio 2.7; 95% CI: 1.14-6.44) were significantly higher in the teacher group versus non-teachers. A significant positive relationship was found in teachers between the prevalence of hyperfunctional dysphonia and strained phonation, neck muscle hypertension, instability of voice, self-assessed hyper-arousal, and lifetime vocal effort index (years of employment as a teacher x hours of professional activity/week). The prevalence of vocal nodules and incomplete glottal closure were correlated with incorrect phonation technique parameters, but not with psychological factors. No correlation was found with environmental variables, such as classroom temperature, humidity, airborne dust. CONCLUSION: The prevalence of self-reported symptoms and clinical signs of voice disorders is around 2-3 times more frequent in Polish female teachers than in non-teachers. Lifetime vocal effort, incorrect technique of phonation and psychological predisposition seem to constitute major risk factors for developing occupational voice disorders.

Adult↗
PubMed1993

Effectiveness of botulinum toxin in the treatment of spasmodic torticollis.

Thirty-two patients with spasmodic torticollis were assessed quantitatively for posture deformity, tremor and range of neck movement, and qualitatively for pain and global subjective disability. All patients were then treated with intramuscular botulinum toxin injections into appropriate neck muscles. Fifty-three treatments were administered using dosages of toxin in the range of 50-100 U per muscle. The maximum dose administered at a single sitting was 280 U. The progress of the patients was assessed during an 18-month period. Seventy-five percent of patients showed documented improvement in both subjective and objective parameters and were considered treatment successes. Pain improved in 65%, posture in 65%, tremor in 50% and range in 46%. The side effects that occurred were transient and included fatigue, dysphagia, neck weakness, hoarseness and local pain. This study demonstrates that treatment with botulinum toxin is of significant benefit for the majority of patients with spasmodic torticollis.

Adult↗
PubMed1993

On the occurrence of nocturnal and diurnal loud calls, differing in structure and duration, in red howlers (Alouatta seniculus) of French Guyana.

Structural patterns and 24-hour rhythms of the loud calls of Alouatta seniculus were studied in a wild population living in primary rain forest in French Guyana. These loud calls are low-pitched noisy hoarse sounds with an upper frequency limit around 3,000 Hz. Their spectral energy is concentrated in two clusters, each of which includes two dominant frequency bands. Loud calls comprise one or several vocal units with alternating crescendos and decrescendos. Five different types of units can be distinguished. Depending on their duration, loud calls can be roughly divided into two classes: long and short calls. Long calls (mean duration 3.28 min) include three phases. After the end of the calls, one or two blowing noises of weak amplitude may be heard. Short calls (mean duration 11 s) are frequently uttered in clusters of several calls given by the same troop at intervals of a few seconds to a few minutes. Observations carried out over the 24-hour cycle show that the calling rate is higher at night, with a peak around dawn and that long calls are more frequent at night, while short calls are mainly heard during the day. Most long calls are emitted from the sleeping sites and carry great distances. They probably play a role in inter-troop communication. Despite their intensity, short calls are used for short-distance communication. The occurrence of two different loud calls in Guyanan howlers and the amount of night calling in these monkeys are discussed with reference to studies of other howler populations.

Alouatta↗
PubMed1987

Diagnosis of hypothyroidism in patients with end-stage renal disease.

Hypothyroidism may occur more commonly in patients with end-stage renal disease (ESRD) than in the general population. The signs and symptoms of both hypothyroidism and uremia may be similar. To evaluate the usefulness of clinical and routine laboratory findings in the diagnosis of hypothyroidism in patients with ESRD, we compared 6 patients with documented primary hypothyroidism who had serum thyrotrophin (TSH) levels above 20 microU/ml with 12 euthyroid patients. The euthyroid patients were divided into two groups. The first was matched with the hypothyroid patients for age, renal disease and duration of dialysis, while the second group was matched for serum total thyroxine and free T4 index values. Serum TSH levels were normal (less than 10 microU/ml) in both of these latter groups. There were no significant differences in the clinical manifestations among the three groups of patients, except for hoarseness of voice which was significantly more common in the hypothyroid uremic patients (p = 0.03). No significant differences were noted on electrocardiogram, physical examination, chest x-ray or echocardiography. Routine laboratory values were not different. Therapy of the uremic hypothyroid patients with L-thyroxine was associated with improvement or resolution of many of the symptoms and signs of hypothyroidism that otherwise would have been attributed to the uremic state. Our results indicate that the diagnosis of hypothyroidism in uremic patients cannot be made by clinical or routine laboratory values and rests on the presence of an overtly elevated serum TSH concentration.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1984

Laryngeal cancer: long-term follow-up of respiratory functions after laryngectomy.

Pulmonary function of 31 heavy smokers with laryngeal cancer was evaluated before and during the 1st year after total (n = 21) and conservative (n = 10) laryngectomy. 2 of them died because of recurrences, 1 for bronchopulmonary complications. Long-lasting hoarseness was the only presenting symptom in all patients. Preoperative lung function data and mucociliary clearance were consistent with a coexisting chronic obstructive lung disease in most subjects and was probably due to smoking. No differences were observed comparing pre- and postoperative data in the 10 conservative laryngectomy patients. On the contrary, the total-laryngectomy patients showed a progressive impairment of bronchial obstruction and bacteriological infection of the trachea during the 1st year after the operation. An impressive increase in mucociliary clearance rates has been observed 2 months after total laryngectomy during the postoperative hypersecretory phase. the obtained data allow us to hypothesize that when clinical conditions of laryngectomized patients in whom local or distant recurrences have been excluded deteriorate, this is related to a progressive bronchial obstruction at any level of the bronchial tree due to descending bacterial infection of the airways. To our knowledge this is the only work demonstrating that total laryngectomized patients need a complete pre- and postoperative evaluation of lung function, airway dynamics, mucociliary function and tracheal bacteriology for long-term prognosis and treatment.

Aged↗
PubMed1995

Acute nonlymphocytic leukemia complicated by Garcin's syndrome.

A 15-year-old girl was diagnosed as having acute nonlymphocytic leukemia (ANLL, FAB M2) in January 1990 and achieved complete remission with chemotherapy. She was readmitted to our hospital with a hearing disturbance and hoarseness in October 1990. A suprapharyngeal tumor was found on cranial MRI, and bone marrow leukemic cells were slightly increased in number. Involvement of leukemic cells was proven by biopsy of the tumor. Therefore, we made a diagnosis of ANLL relapse with Garcin's syndrome. To our knowledge, this is the first reported case of leukemia complicated by Garcin's syndrome.

Adolescent↗
PubMed1994

Specific xerostomia during Urbach-Wiethe disease.

We describe the case of a 59-year-old woman who had suffered from a typical Urbach-Wiethe disease since childhood and who complains of progressive mouth and ocular dryness since the age of 54 years. Xerostomia was severe with very poor salivation and was associated with a slight keratoconjunctivitis sicca. A specific lipoid proteinosis was evidenced in salivary glands (lower lip biopsy) with a PAS-positive hyalin-like deposit around vessels, capillaries and salivary gland canaliculi. An ultrastructural study showed the typical aspect of multilamination of the basal lamina of capillary vessels. Dysphonia and hoarseness are commonly found in Urbach-Wiethe disease, but, to our knowledge, a specific xerostomia has never been reported.

Biopsy↗