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PubMed1987

Prediction of vocal severity within and across voice types.

Fifty-one subjects representing diverse laryngeal etiologies recorded /a/ and /i/ to provide a study sample of 102 vowel sounds. Listeners categorized each vowel on the basis of four voice types (normal, breathy, hoarse, unclassified) and evaluated the degree of vocal abnormality on a 7-point scale. In addition to spectrographic noise (SN) classification, several acoustic measures based on period variability were entered into a multiple regression analysis for the prediction of vocal severity across and within voice types. In general, spectrographic noise and curvilinear derivatives of the period standard deviation (PSD) provided the best predictions of disorder severity. Different variables were the major predictors for different voice types. Several variables used in previous studies were inefficient as predictors of severity.

Adolescent↗
PubMed1989

Technical considerations in computation of spectral harmonics-to-noise ratios for sustained vowels.

This paper explores technical issues affecting computed measures of the relative level of noise in the frequency spectrum of a vowel. This type of measure has been proposed for quantification of hoarseness in pathological speakers. An analysis of synthesized vowels was used to test the influence of vowel type, fundamental frequency, perturbation type, perturbation level and quantization. The algorithms were shown to be highly sensitive to errors in pitch-period demarcation, and a dependency on jitter perturbations, fundamental frequency, and vowel type was demonstrated. Relationships between algorithm performance and methods of spectrum estimation were discussed, and approaches for reducing the dependencies were proposed. Finally, a method for achieving a significant reduction in computation time was described.

Algorithms↗
PubMed1999

Complications following the use of the Combitube, tracheal tube and laryngeal mask airway.

In a prospective, randomised trial, 75 patients scheduled for routine surgery were randomly allocated to one of three groups to evaluate trauma and postoperative complications after insertion of the Combitube, tracheal tube or laryngeal mask airway. Insertion of the Combitube was associated with a higher incidence of sore throat (48% vs. 16% vs. 12% [p < 0.01]) and dysphagia (68% vs. 12% vs. 8% [p < 0.01]) compared with tracheal intubation or insertion of the laryngeal mask airway, respectively. Hoarseness was significantly less common in both the Combitube and the laryngeal mask groups (both 12%) than in the tracheal tube group (44%; p < 0.01). Haematoma occurred in 36% of the Combitube group compared with 4% in both the laryngeal mask and the tracheal tube groups (p < 0.01). The higher incidence of complications should be considered when using the Combitube.

Adult↗
PubMed2000

Protean manifestations of lipoid proteinosis in a 16-year-old boy.

We report a 16-year-old Japanese male with lipoid proteinosis showing various skin manifestations. The patient was born to nonconsanguineous parents and none of his relatives was similarly affected. The patient suffered from a hoarse voice and refractory temporal epilepsy from early childhood. Computed tomography scanning of the brain showed bilateral calcification in the temporal lobes, a characteristic feature of lipoid proteinosis. On physical examination, various skin manifestations, including papules and haemorrhagic blisters, acne-like scars at sites of minor trauma or friction, and beads of small papules along the free margins of the eyelids were noted. A skin biopsy showed deposits of homogeneous hyaline-like material, positive on periodic acid-Schiff staining, throughout the dermis, particularly around small blood vessels. It is noteworthy that a range of characteristic skin lesions can be present in a patient with lipoid proteinosis even with mild systemic involvement.

Adolescent↗
PubMed2001

Improved safety with equivalent asthma control in adults with chronic severe asthma on high-dose fluticasone propionate.

OBJECTIVE: High-dose inhaled corticosteroids (ICS) have been associated with the same side-effects as oral corticosteroids. Beclomethasone dipropionate (BDP) and budesonide (BUD) in doses greater than 2000 microg/day are used regularly in severe asthma, despite the fact that safety and efficacy data at such high doses are limited. Fluticasone propionate (FP) has been promoted as being twice as potent clinically as BDP or BUD at doses of 2000 microg/day or less with a similar safety profile. The aim of this study was to compare the efficacy and safety of FP with BDP and BUD in 133 symptomatic adult asthmatics requiring at least 1750 microg/day of BDP or BUD. METHODOLOGY: Patients fulfilling the entry criteria were randomized to receive either their regular ICS medication or FP at approximately half the microgram dose for 6 months in an open, parallel group study. The primary efficacy measure was based on morning peak expiratory flow measurements recorded by patients on daily record cards, while determination of safety was based on a number of endpoints including changes in bone turnover indices, the incidence of topical side-effects and assessments of quality of life. RESULTS: It was shown that patients who were switched to FP, but not those continuing with BDP or BUD, had significant increases in levels of morning serum cortisol and the urine cortisol:creatinine ratio while maintaining asthma control. Serum osteocalcin and the pyridinoline:creatinine ratio, as well as the deoxypyridinoline:creatinine ratio, were also shown to increase only in the FP group. Subjective assessments such as quality of life score, the incidence and ease of bruising, and reports of hoarseness also favoured the FP group. CONCLUSIONS: It is concluded that, at the doses studied and with the delivery devices used clinically, FP is at least as effective as BDP/BUD in the management of severe asthma and may offer clinical advantages with respect to steroid-related adverse effects.

Adult↗
PubMedDate not supplied

Symptom profile of nasopharyngeal cancer patients during radiation therapy.

PURPOSE: This prospective, longitudinal study was aimed to describe the prevalence, severity, and pattern of symptoms over the course of radiation therapy in persons with nasopharyngeal carcinoma and to explore symptom severity by treatment modality. DESCRIPTION OF STUDY: Thirty-seven patients completed this study, and 46% received chemotherapy before radiation therapy. A self-reported radiation symptom checklist and an objective mucositis assessment tool were used weekly to document oropharyngeal, skin, nose or ear, or more general side effects, and mucositis. RESULTS: Oropharyngeal problems were the most severe complaints during radiation therapy. All patients experienced dry mouth, taste change, difficulty in swallowing, difficulty in opening their mouths, hoarseness, sore throat, and observable mucositis. Most reported moderate-to-severe dry mouth, difficulty in swallowing, and sore throat from weeks 3 through 7. Skin problems were not prominent until week 4. Patients also lost an average of 3.9 kg during the therapy. Sequential chemotherapy and radiation therapy was associated with more severe oropharyngeal problems than radiation therapy alone, but no significant differences in other problems were found. CLINICAL IMPLICATIONS: Despite recognition of the oropharyngeal side effects associated with irradiation, effective management protocols for such symptoms have not been implemented in the studied institution. The frequency and intensity of the symptoms reported indicate an urgent need for increased vigilance about radiation-related side effects and pain management. As well, patient education about expected side effects may help mitigate the anxiety that patients experience when these symptoms occur.

Adult↗
PubMed1999

Exophytic and papillary squamous cell carcinomas of the larynx: A clinicopathologic series of 104 cases.

Exophytic and papillary squamous cell carcinomas (SCCs) are uncommon variants of SCC of the upper aerodigestive tract mucosa. The histomorphologic distinction between these variants has not been previously attempted or correlated with prognostic outcome. One hundred four cases of exophytic and papillary SCCs of the larynx were identified in the files of the Armed Forces Institute of Pathology from 1971 to 1991. The patients included 25 women and 79 men, aged 27 to 89 years (average 60.7 years). Patients had hoarseness at presentation, and many patients were using tobacco (n = 87) and/or alcohol (n = 49). Tumors measured up to 6 cm in greatest dimension. The larger tumors were associated with vocal cord impairment (n = 39). Histologically, the SCCs were divided into 2 growth patterns: papillary-frond (n = 12) or broad-based, exophytic (n = 92). Patients were treated with excisional biopsy, vocal cord stripping, and/or laryngectomy, in conjunction with radiation therapy (n = 70). Eighty-seven patients had no evidence of disease at last follow-up (average follow-up 8.6 years). Seventeen patients with an exophytic pattern died with disease (10 disseminated disease; 7 local disease). No patients with papillary patterns died of disease, although there had been 4 recurrences. In conclusion, patients with papillary and exophytic SCCs have a better prognosis than those with conventional SCCs, and the prognosis for those with papillary SCCs is even better.

Adult↗
PubMed2006

[Diagnosis and treatment of laryngopharyngeal reflux].

BACKGROUND: During the last decades an increased prevalence of reflux disease can be observed. Otolaryngologists play an increasing role in the treatment of patients suffering from laryngopharyngeal reflux (LPR). Typical symptoms for LPR are globus sensation, dysphagia, throat clearing, chronic cough and hoarseness. The most frequent laryngoscopic finding in patients suffering from LPR is a posterior commissure hypertrophy. LPR is confirmed by laryngoscopy, LPR-related laryngoscopy scoring, 24-hour dual-probe pH-monitoring, and by empiric trial with proton pump inhibitors (PPI). For therapy PPI-medication in a dosage of 40 mg BID for at least 3 months is successful in many patients. Additional lifestyle modifications can also have a positive effect. When medical management fails, further diagnostic procedures should be initiated. CONCLUSION: In patients suffering from unspecific laryngeal and respiratory symptoms LPR is an important differential diagnosis.

Adult↗
PubMed2003

Steroid injection for Reinke's edema using fiberoptic laryngeal surgery.

OBJECTIVE: Since 1990, we have performed steroid injections into the vocal fold under topical anesthesia using fiberoptic laryngeal surgery (FLS) in an outpatient clinic. The aim of this study was to retrospectively assess the usefulness of this treatment method in 44 patients with mild Reinke's edema. MATERIAL AND METHODS: Using fiberoptic monitoring of the larynx, a curved injection needle was inserted via the oral cavity and triamcinolone acetonide was injected into Reinke's space of the bilateral vocal fold. RESULTS: Remission or improvement was observed in almost all patients in terms of both patients' self-rating of hoarseness and endoscopic vocal fold findings The maximum phonation time was a mean of 9.0 s before operation and 11.4 safter operation, and this increase was significant (p < 0.01). Voice pitch also improved, from 168 to 181 Hz, in female patients, and this increase was also significant (p < 0.05). CONCLUSION: Steroid injection is considered to be useful for treating mild Reinke's edema.

Adult↗
PubMed1975

Symposium. ENT for nonspecialists. Supraglottic.

Because supraglottic cancer usually is diagnosed late and metastasizes early, the cure rate is poorer than for glottic cancer. Supraglottic lesions can spread in any direction. The main method of diagnosis is either indirect or direct laryngoscopy, and the main symptoms are vague throat pain, otalgia, hemoptysis, hoarseness, and enlarged cervical lymph nodes. Roentgenographic examination is useful only as a supplement to other diagnostic measures. Staging of the disease is important in determining the most effective therapy and in predicting the results of treatment. Treatment should be individualized for each patient and should be selected on the basis of lesion size and site, the presence or absence of regional metastasis, the general health of the patient, and the likelihood of faithful follow-up.

Female↗
PubMed2000

Symptoms of laryngeal carcinoma and their prognostic significance.

Symptoms of 301 patients with laryngeal squamous cell carcinoma were evaluated. Tumour site affected the symptom profile significantly. Hoarseness was more common among patients with glottic and subglottic tumours, but was also the leading symptom in supraglottic patients. Other symptoms were mainly associated with supraglottic tumours and more advanced glottic lesions. There was a positive correlation between the number of symptoms and stage, regardless of tumour site. Patients with a supraglottic tumour had significantly more symptoms (median 2) than those with a glottic lesion (median 1). The median duration of the symptoms was significantly longer in stages III-IV (4.7 months) than in stages I-II (3.8 months). In the multivariate analysis, tumour stage was the only variable showing prognostic significance.

Adult↗
PubMed1997

Potential problems associated with use of speech recognition products.

Commercial speech recognition products are being used increasingly as alternate input devices for computers, particularly by persons with physical disabilities. These discrete speech dictation systems require the user to insert brief but distinct pauses after each spoken word. Anecdotal evidence suggests that some persons using these products experience moderate to severe problems with their voices, such as hoarseness, sore throats, and even complete loss of voice. This preliminary study, which includes data gathered from survey dissemination and clinical studies, indicates that persons with cumulative trauma disorder may be the most susceptible to these voice problems. Also, we hypothesized that in using these discrete speech recognition systems, there may be a tendency to maintain constant pitch, volume, and inflection, keeping the vocal tract musculature in a fixed position. Maintaining this fixed position for extended periods may result in muscle fatigue and, eventually, injury to the laryngeal musculature. Further studies are needed, however, to investigate the effects suggested here. In the meantime, we recommend that users become informed about the unnatural speech patterns used with discrete speech recognition systems; learn to use good vocal hygiene, such as performing warm-up and cool-down voice exercises; and use alternate methods of input along with the speech recognition product.

Aphonia↗
PubMed2003

Ocular and respiratory symptoms attributable to inactivated split influenza vaccine: evidence from a controlled trial involving adults.

In 2000, an influenza vaccine was associated with unusual ocular and respiratory symptoms (known as "oculorespiratory syndrome" [ORS]) that possibly were due to numerous microaggregates of unsplit viruses present in the product. We assessed the potential for an improved vaccine formulation (for use in 2001-2002) to cause ORS and other symptoms in adults, using a double-blind, randomized, crossover study design. Symptoms were ascertained 24 h after 622 doses of vaccine and 626 doses of saline placebo were injected. The risk of ORS was 6.3% after vaccine injection and 3.4% after placebo injection, which yielded a significant vaccine-attributable risk of 2.9% (95% confidence interval, 0.6-5.2). ORS symptoms were mild. Significant differences in risk after injection of vaccine versus placebo existed for ocular soreness and/or itching (2.4%), coughing (1.6%), and hoarseness (1.2%). Vaccine-attributable general symptoms were infrequent. We conclude that certain mild oculorespiratory symptoms were triggered by an influenza vaccine that was otherwise minimally reactogenic and, hence, that such symptoms might be associated with influenza vaccines in general.

Adult↗
PubMed1988

Upper respiratory tract involvement in adult T-cell leukemia.

Adult T-cell leukemia (ATL) is characterized by peripheral lymph node enlargement, hepatosplenomegaly and skin lesions. The association of local mass lesions of other organs with ATL is extremely rare. This report describes a 57-year-old woman with chronic type ATL with associated local tumor masses in the nasal cavity, paranasal sinuses and larynx as well as skin infiltration. Histologic investigation of the skin lesion and nasal mucosa revealed non-Hodgkin lymphoma, diffuse, mixed type. Her chief complaints were progressive dyspnea and hoarseness. Leukemic cell masses in her upper respiratory tract caused narrowing of the airway, which was responsible for her complaints.

Deltaretrovirus Infections↗
PubMed2000

A case of tuberculosis in Memphis.

The resurgence of tuberculosis has been of increasing concern to public health. Laryngeal and cutaneous tuberculosis have long been regarded as two of the most infectious forms of the disease. In this article, we re-emphasize the public health consequences of a case of laryngeal TB, which must be considered in the differential diagnosis of a patient with persistent fever, cough, weight loss, and hoarseness.

Adult↗
PubMed1995

The use of the laryngeal mask airway in children with bronchopulmonary dysplasia.

Airway maintenance with the laryngeal mask airway (LMA) was evaluated and compared to the endotracheal (ET) tube in 27 former premature infants and children with bronchopulmonary dysplasia (BPD) during second stage open-sky vitrectomy. The children were randomly assigned to a study group and anesthetized with halothane in N2O:O2. The airway was maintained with the LMA (n = 13) or the ET tube (n = 14). Respiratory and hemodynamic variables were recorded. Intraoperative and postoperative complications were noted. The respiratory rate and the end-tidal CO2 were significantly higher in the LMA group as compared with the ET tube group (P < 0.01); however, the pulse rate and both systolic and diastolic blood pressures throughout the surgical procedure were lower in the LMA group (P < 0.05). The incidence of coughing, with and without desaturation, wheezing, and hoarseness in the postoperative period was higher in the ET tube group. Awakening, after discontinuation of the anesthetic (P < 0.01) was more rapid, and home discharge time (P < 0.002) was shorter in the LMA group (P < 0.0025), although our study design could not isolate the use of the LMA as the factor responsible for this. This study in patients with mild chronic lung disease demonstrated that the LMA can maintain a satisfactory airway during minor surgical procedures in children with bronchopulmonary dysplasia and result in fewer respiratory adverse effects than with the ET tube.

Anesthesia Recovery Period↗
PubMed2006

Retropharyngeal hematoma after stellate ganglion block: Analysis of 27 patients reported in the literature.

BACKGROUND: Retropharyngeal hematoma (RPH) is rare; however, it causes airway obstruction and can be fatal. Stellate ganglion block (SGB) can cause RPH. The authors analyzed reports of patients with RPH after SGB to clarify the initial symptoms and signs, and the urgency of airway management. METHODS: MEDLINE and Japana Centra Revuo Medicina were searched for reports of RPH after SGB using the following terms and key words: stellate ganglion block, complication, hematoma, and retropharyngeal hematoma. RESULTS: The authors found 27 patients with RPH after SGB in the past 40 yr. The initial symptoms included neck pain (n = 10), dyspnea (n = 10), neck swelling (n = 8), and hoarseness (n = 5). The symptoms occurred 2 h or more after SGB in 14 patients (52%). Emergency airway management was needed in 21 patients (78%) because of airway obstruction. Among the 21 patients, orotracheal intubation was attempted first in 17 patients; however, it was unsuccessful in 5 patients who immediately needed emergency tracheostomy. Tracheal intubation was impossible by distortion of the anatomy of the markedly edematous pharyngolarynx. Failed airway management caused one death. There were no statistically significant predictors of the initial symptoms or signs for later emergency airway management. CONCLUSIONS: RPH after SGB necessitates emergency airway management. Because airway obstruction cannot be predicted by the initial symptoms or signs, emergency airway management tools should be at hand, and the patency of the airway should be continuously evaluated after onset of RPH after SGB.

Adult↗
PubMed1998

The reliability of six faculty members in identifying important OSCE items.

PURPOSE: To measure the agreement among faculty members about the importance of items on a checklist used to grade an objective structured clinical examination (OSCE) station. METHODS: Six faculty members rated the importance of 47 items for an OSCE station in which students took the history of a patient with sore throat and hoarseness. RESULTS: Of the 47 items, the raters independently identified 15 items as very important. The reliability of each individual rater was fair (averaged value of alpha = .63.) The reliability of the mean rating of the six raters was high (alpha = .91). CONCLUSIONS: The results strongly suggest that when a group of faculty members cooperatively identifies the important items to be included in an OSCE checklist, the reliability of the checklist is superior to one created by a single author.

Algorithms↗