Abstract:
CONCLUSIONS:Protocol limitations were identified and accounted for in the analysis. Percent gradient equilibrated (PGE) was affected by driving gradient direction in a similar manner to other efficiency measures. A finer resolution of possible age-related changes in eustachian tube opening efficiency is expected with the application of more sophisticated statistical models to the complete dataset at study end. OBJECTIVE:To report the results of an interim analysis for an ongoing study designed to characterize the age-related changes in eustachian tube opening efficiency measured using a pressure chamber protocol in children without a history of middle ear disease. METHODS:To date, 41 children aged 3 years without a history of otitis media have been enrolled in a longitudinal study of the age-related changes in eustachian tube function and evaluated at yearly intervals between 3 and 7 years of age. Eustachian tube opening efficiency, the percent of the applied pressure gradient equilibrated by swallowing, was measured by repeat tympanometry during a pressure chamber protocol. Data (120 tests) were analyzed using an ANOVA with variance partitioned by age (3 through 6 years), gradient direction (positive/negative), and ear (left/right). RESULTS:PGE was higher for left ears and positive driving gradients, but was not different among age groups.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Swarts JD,Casselbrant ML,Teixeira MS,Mandel EM,Richert BC,Banks JM,El-Wagaa J,Doyle WJdoi
10.3109/00016489.2014.882017subject
Has Abstractpub_date
2014-06-01 00:00:00pages
579-87issue
6eissn
0001-6489issn
1651-2251journal_volume
134pub_type
杂志文章abstract::A comparison was made between polysomnographic recordings and recordings of airflow pressures in the pharynx and respiratory pressures in the esophagus of 10 adult sleeping subjects with differing degrees of apnea. Pressure measurements were obtained by microsensors mounted on a 7F gauge flexible catheter which sited ...
journal_title:Acta oto-laryngologica
pub_type: 杂志文章
doi:10.3109/00016489509139346
更新日期:1995-05-01 00:00:00
abstract:CONCLUSION:The results of this study give support to the theory that opening the middle ear (ME) to the atmosphere leads to a deterioration in its pressure regulation capacity. However, this is probably not the reason why a perforation of the tympanic membrane becomes chronic. OBJECTIVE:Direct, continuous measurement ...
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abstract::Background: Odontogenic sinusitis (OS) is a common but underdiagnosed form of acute rhinosinusitis (ARS). OS carries no specific characteristics, but unilateral symptoms and certain microbiological as well as radiological findings indicate odontogenic origin. Aims/objectives: We studied the proportion of OS in ARS pat...
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abstract:CONCLUSION:Bilateral electric acoustic stimulation (EAS) effectively improved speech perception in noise and sound localization in patients with high-frequency hearing loss. OBJECTIVE:To evaluate bilateral EAS efficacy of sound localization detection and speech perception in noise in two cases of high-frequency hearin...
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abstract:CONCLUSIONS:A large series confirmation may suggest elective neck dissection in cN0 MASPIN-negative oral squamous cell carcinomas (SCCs). Re-activated nuclear MASPIN in association with anti-angiogenic or cytotoxic drugs may be extremely effective in the treatment of laryngeal SCC. OBJECTIVES:MASPIN is a serpin showin...
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abstract::The aim of this study was to evaluate the effects of argon laser irradiation of the semicircular canals using computed tomography (CT) images and to examine the basis for laser treatment for benign paroxysmal positional vertigo (BPPV). CT images of the posterior canal were evaluated postoperatively in a patient with i...
journal_title:Acta oto-laryngologica
pub_type: 杂志文章
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abstract::In a study on the effects of a frequency-dependent automatic gain control in hearing-aids, two experiments were carried out with hearing-impaired listeners. In the first experiment, the effect of varying the amplitude-frequency response on the speech-reception threshold (SRT) of sentences presented in noise was studie...
journal_title:Acta oto-laryngologica
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abstract:CONCLUSION:A very low dose of dexamethasone (DEX) was as equally as sufficient as a pharmacological dose to decrease eosinophil inflammation in airways and bone marrow. The timing of DEX treatment in relation to allergen challenge was strongly decisive for the outcome of the inflammatory response. OBJECTIVES:We aimed ...
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abstract:OBJECTIVE:To develop a large animal model for studies of laryngeal abductor reinnervation. MATERIAL AND METHODS:Six minipigs underwent unilateral anastomosis of the phrenic nerve-abductor branch of the recurrent laryngeal nerve (RLN). Polyhydroxybutyrate (PHB) conduits were used for repair. At each of 30, 60 and 120 d...
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doi:10.1080/00016480410022507
更新日期:2004-09-01 00:00:00
abstract::Merkel cell carcinoma (MCC) is an uncommon cutaneous neoplasm which arises in adults with a peak incidence in the sixth and seventh decades. MCC most often arises in the head and neck area and extremities. Among head and neck primary sites, auricular MCC has proven to be rare and only 20 cases have been reported in th...
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pub_type: 杂志文章,评审
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journal_title:Acta oto-laryngologica
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doi:
更新日期:2001-07-01 00:00:00
abstract::Evidence for a common anatomical and physiological substrate for the generation of the background EEG and the vertex-evoked response led to the hypothesis that the EEG can be interpreted as the output from a time varying filter driven by (a) a noise generator responsible for the background activity, and (b) a pulse ge...
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doi:10.1080/00016480802610218
更新日期:2009-04-01 00:00:00
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doi:10.3109/00016489709117990
更新日期:1997-01-01 00:00:00
abstract:CONCLUSION:Candidates for hearing preservation cochlear implant (CI) surgery can be divided into: those who benefit from electrical complement (EC) to remaining hearing and don't require additional amplification, those using a combined electric-acoustic stimulation (EAS) and those with the least amount of residual hear...
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abstract::Background: Intratympanic and intravenous gadolinium administration is used to visualise endolymphatic hydrops. Aims/objectives: The goal of this study was to compare the image quality between intratympanic (IT-method) and intravenous (IV-method) gadolinium administration using three-dimensional inversion recovery wit...
journal_title:Acta oto-laryngologica
pub_type: 临床试验,杂志文章
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abstract::Background: It has been reported that head-up sleep (HUS) prevents free-floating otoliths from entering canals and that vertical recognition training (VRT) promotes vestibular compensation.Aims/objectives: We would like to assess HUS and VRT for intractable motion-evoked dizziness, including possible benign paroxysmal...
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abstract::Unilateral tubal occlusion was performed in 10 cats, which were sacrificed 26-44 months later. During the observation period repeated bilateral tympanometry and auditory nerve response were recorded. Paracentesis with evacuation of effusion was performed up to eight times and the effusion was examined by viscometry. A...
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doi:10.3109/00016488409132936
更新日期:1984-05-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1977-09-01 00:00:00
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更新日期:2017-05-01 00:00:00
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journal_title:Acta oto-laryngologica
pub_type: 杂志文章
doi:10.3109/00016489009122530
更新日期:1990-07-01 00:00:00
abstract::Recent studies have implicated nitric oxide (NO) in neuronal degeneration and plasticity in the motor nervous system. In the present study, we investigated the induction of nitric oxide synthase (NOS) in the motoneurons in the nucleus ambiguus (NA) after injury to the rat recurrent laryngeal nerve (RLN) using nicotina...
journal_title:Acta oto-laryngologica
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doi:10.1080/000164800750001198
更新日期:2000-03-01 00:00:00
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pub_type: 杂志文章
doi:10.1080/00016480310001222
更新日期:2003-04-01 00:00:00