Audiometry

Brender, Erin

doi:10.1001/jama.295.4.460

Cited by 9 publications

(5 citation statements)

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“…Pure tone audiometry (PTA) is used to identify SNHL . It is a psychoacoustic test to determine the subject's minimum sensitivity threshold for a sound (frequency and intensity).…”

Section: Introductionmentioning

confidence: 99%

Dysfunction of the auditory system in sickle cell anaemia: a systematic review with meta‐analysis

Lago

Fernandes

Alves³

et al. 2019

Tropical Med Int Health

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Objectives To describe the occurrence of both peripheral and central auditory system dysfunction in sickle cell anaemia (SCA) patients and discuss the different mechanisms hypothesised to be responsible for these alterations. Methods An electronic search was conducted using PubMed Central® (MEDLINE), LILACS® and Scopus® databases. This systematic review was performed in accordance with the PRISMA statement. Original observational studies that utilised audiological tests for auditory system evaluations in SCA were included. Results A total of 183 records were found in the databases searched. Twenty‐one of these studies met the inclusion criteria. Pooled prevalence of sensorineural hearing loss (SNHL) was 20.5% (CI: 10.3–33%). Retrocochlear involvement was detected with the auditory brainstem response, which assesses integrity of the cochlea, 8th cranial nerve and brainstem structures. In addition, the increase in otoacoustic emission amplitudes in SCA patients indicates changes in cochlear micromechanics and precedes the expression of a detectable cochlear pathology. Conclusion The prevalence of the SNHL is higher than in the general population. Dysfunction of the auditory system may be present in SCA patients, with the most probable mechanism being the presence of circulatory disturbances resulting from the chronic inflammatory state of the disease.

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“…Pure tone audiometry (PTA) is used to identify SNHL . It is a psychoacoustic test to determine the subject's minimum sensitivity threshold for a sound (frequency and intensity).…”

Section: Introductionmentioning

confidence: 99%

Dysfunction of the auditory system in sickle cell anaemia: a systematic review with meta‐analysis

Lago

Fernandes

Alves³

et al. 2019

Tropical Med Int Health

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“…Usual conversation ranges between 45 and 60 dB. 8 Assessment of the degree and type of hearing loss can be done by pure tone audiometry, which helps in predicting the status of tympanic membrane, ossicular chain and inner ear. This preoperative hearing assessment is also useful in preoperative planning of the type of surgery; and in counseling the patient about the expected results, hearing improvement after surgery.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of hearing loss by pure tone audiometry in chronic suppurative otitis media patients

Handi

Patil

Prasenkumar

2018

Int J Otorhinolaryngol Head Neck Surg

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Background: Hearing loss associated with the CSOM affects the patients’ communication with others and results in poor quality of life. Degree and type of hearing loss can be assessed by pure tone audiometry, which helps in predicting the status of tympanic membrane, ossicular chain, and inner ear and also helps in preoperative planning.Methods: Patients with CSOM aged 10 years and above were included in the study. All patients underwent pure tone audiometry. With the help of air and bone conduction threshold, the degree and type of hearing loss in each ear was determined. The data collected was evaluated and results are reported as rates and proportions (%). Results: Most of the ears (83%) had mild to moderate hearing loss. Average ABG observed was 31 dB. Maximum ABG observed was 55dB on right side and 50 dB on the left side. There was mixed hearing loss in 10.9% cases.Conclusions: This study reinforces the idea of using preoperative pure tone audiometry, which not only helps in planning surgery but also helps in documenting the preoperative status of patients’ sensorineural hearing loss, if present.

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“…These experts place values on certain goods and services in one way or the other. For example, they can place values on goods through an iterative process, and this allows feedback among the group between iteration (Brender, 2006;Strosahl & Robinson, 2001). The approach is very useful when valuing environmental resources.…”

Section: Delphi Methodsmentioning

confidence: 99%

“…The approach is very useful when valuing environmental resources. One of the characteristic features of Delphi method is that the central team usually work with a panel of experts in an iterative manner while formulating the experts' knowledge of a predefined subject under investigation (Brender, 2006). However, the same study indicates that the method includes extra steps including validating the expertise of panel members (Brender, 2006).…”

Section: Delphi Methodsmentioning

confidence: 99%

Expressed Preference Methods of Environmental Valuation: Non-Market Resource Valuation Tools

Bamwesigye¹

2019

Preprint

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The objective of this paper was to give an overview of the expressed preference (EP) techniques of environmental valuation. These methods offer estimation of the value of a resource not necessarily willingness to pay (WTP) or willingness to Accept (WTA) compensation rather upper and lower values. The method of measuring individuals’ willingness to pay is usually based on contingent valuation method (CVM). This research focuses on defining, categorizing, and applicability of various environmental valuation techniques that have been and can be applied in attaching value to a given resource using expressed/Revealed preference methods. The study serves as a supplementary synthesis and discussion to the board of knowledge of resource valuation methods. More specifically, selected methods to discussed herein include; contingent valuation method, hedonic pricing model, travel cost method, trade-off game method, the costless-choice method, Delphi method, Replacement Cost Method, Relocation Cost Method, Opportunity cost method, and Cost-benefit Method. In the last part, applicability of the methods is fully illustrated to support future studies on resource valuation.

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Audiometry

Cited by 9 publications

References 0 publications

Dysfunction of the auditory system in sickle cell anaemia: a systematic review with meta‐analysis

Dysfunction of the auditory system in sickle cell anaemia: a systematic review with meta‐analysis

Evaluation of hearing loss by pure tone audiometry in chronic suppurative otitis media patients

Expressed Preference Methods of Environmental Valuation: Non-Market Resource Valuation Tools<strong> </strong>

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