58 research outputs found
Impact of laryngopharyngeal reflux on subjective and objective voice assessments: a prospective study
Posterior laryngitis: a disease with different aetiologies affecting health-related quality of life: a prospective case–control study
Functional oesophagoscopy: endoscopic evaluation of the oesophageal phase of deglutition
The association between sinusitis and survival among individuals infected with the human immunodeficiency virus
The purpose of this study was to determine the association between sinusitis and survival among human immunodeficiency virus (HIV)-infected persons. All patients enrolled in the adult spectrum of disease data base from November 1, 1990 to November 1, 1999 were included. Patients were followed until death, loss to follow-up, or the end of the study on January 10, 2000. A Cox proportional hazard regression analysis was conducted to evaluate the association between sinusitis, various other cofactors, and survival. Of the 7513 HIV-infected patients followed, 57% were < 35 years old, 59.5% were black, 78.5% were male, and 20.8% had an opportunistic infection (OI) at entry. The incidence of one or more diagnoses of sinusitis in the cohort was 14.5%. The mean entry CD4 count for the entire cohort was 347.8 (SD, 298.9) and the mean follow-up time was 33.2 months (SD, 25.7). The mean CD4 count at the time of sinusitis diagnosis was 391 (SD, 316). In the multivariate analysis, older age and lower CD4 cell count were associated with death. Sinusitis, gender, and race were not associated with survival. Sinusitis is frequent in individuals infected with HIV. After adjusting for level of immunodeficiency, age, gender, and race, sinusitis is not associated with an increased hazard of death. This may have implications for treatment, because a diagnosis of sinusitis does not portend a poor prognosis in individuals infected with HIV
Comparison of swallowing outcomes of laryngotracheal separation versus total laryngectomy in a validated ovine model of profound oropharyngeal dysphagia
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Decreased intramuscular calcium hydroxyapatite implant resorption in a murine model of osteoporosis.
ObjectiveCalcium hydroxyapatite (CaHA) is a common material for vocal fold injection augmentation. Durability is variable, and factors involved in implant longevity are not understood. Animal models of osteoporosis show decreased bone density and increased mineral liberation, suggesting CaHA retention may be altered in these conditions.Study designProspective murine investigation.MethodsFourteen skeletally mature, 10-month-old female Sprague-Dewley rats were treated by one of three interventions: oophorectomy, laparotomy without oophorectomy (sham), or monthly risedronate injection (90 μg/kg, subcutaneous). CaHA was implanted into the right lateral thigh muscle in all animals at the time of procedure or first risedronate injection. After 17 weeks, all rats were sacrificed, and the residual CaHA isolated from excised lateral thigh muscle through incubation in a 900 °C calcinator for 9 hours.ResultsMean CaHA mass remaining in the oophorectomy group was 65.9 (standard deviation ± 16.1) mg, compared to 44.4 ± 10.0 mg CaHA in the risedronate group and 48.6 ± 7.5 mg in the sham group. One-way analysis of variance found a statistically significant difference between the oophorectomy and risedronate groups but not between the sham and other groups, F(2,11) = 4.404, P = 0.039.ConclusionPersistent estrogen deficiency in a murine model of osteoporosis demonstrated decreased rate of CaHA resorption. This suggests that hormone alterations associated with osteoporosis may alter the longevity of CaHA implant resorption through an uncertain mechanism.Level of evidenceNA. Laryngoscope, 2576-2580, 2018
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