Background: While hearing aids for a contralateral routing of signals (CROS-HA) and bone conduction devices have been the traditional treatment for single-sided deafness (SSD) and asymmetric hearing loss (AHL), in recent years, cochlear implants (CIs) have increasingly become a viable treatment choice, particularly in countries where regulatory approval and reimbursement schemes are in place. Part of the reason for this shift is that the CI is the only device capable of restoring bilateral input to the auditory system and hence of possibly reinstating binaural hearing. Although several studies have independently shown that the CI is a safe and effective treatment for SSD and AHL, clinical outcome measures in those studies and across CI centers vary greatly. Only with a consistent use of defined and agreed-upon outcome measures across centers can high-level evidence be generated to assess the safety and efficacy of CIs and alternative treatments in recipients with SSD and AHL. Methods: This paper presents a comparative study design and minimum outcome measures for the assessment of current treatment options in patients with SSD/AHL. The protocol was developed, discussed, and eventually agreed upon by expert panels that convened at the 2015 APSCI conference in Beijing, China, and at the CI 2016 conference in Toronto, Canada. Results: A longitudinal study design comparing CROS-HA, BCD, and CI treatments is proposed. The recommended outcome measures include (1) speech in noise testing, using the same set of 3 spatial configurations to compare binaural benefits such as summation, squelch, and head shadow across devices; (2) localization testing, using stimuli that rove in both level and spectral content; (3) questionnaires to collect quality of life measures and the frequency of device use; and (4) questionnaires for assessing the impact of tinnitus before and after treatment, if applicable. Conclusion: A protocol for the assessment of treatment options and outcomes in recipients with SSD and AHL is presented. The proposed set of minimum outcome measures aims at harmonizing assessment methods across centers and thus at generating a growing body of high-level evidence for those treatment options.
Audiol Neurotol 2016;21:391-398
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Δευτέρα 20 Μαρτίου 2017
58 million Americans are exposed to loud, frequent noises, including firearms, at work and home
Loud noise exposure is a common environmental hazard in the United States that can lead to hearing loss and other conditions such as sleep disturbance, cardiovascular disease and diabetes.
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58 million Americans are exposed to loud, frequent noises, including firearms, at work and home
Loud noise exposure is a common environmental hazard in the United States that can lead to hearing loss and other conditions such as sleep disturbance, cardiovascular disease and diabetes.
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from #Audiology via ola Kala on Inoreader http://ift.tt/2mLtvFQ
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58 million Americans are exposed to loud, frequent noises, including firearms, at work and home
Loud noise exposure is a common environmental hazard in the United States that can lead to hearing loss and other conditions such as sleep disturbance, cardiovascular disease and diabetes.
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Κυριακή 19 Μαρτίου 2017
Relationship between ankle frontal plane kinematics during different functional tasks
Publication date: Available online 19 March 2017
Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
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Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
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Relationship between ankle frontal plane kinematics during different functional tasks
Publication date: Available online 19 March 2017
Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
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Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
from #Audiology via ola Kala on Inoreader http://ift.tt/2n4QpL3
via IFTTT
Relationship between ankle frontal plane kinematics during different functional tasks
Publication date: Available online 19 March 2017
Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
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Source:Gait & Posture
Author(s): Luke Donovan, Mark A. Feger
Increased inversion following lateral ankle sprain and in patients with chronic ankle instability (CAI) is thought to contribute to recurrent injury and feelings of instability, however, there are no biomechanic assessment tools readily available to evaluate for excessive inversion prior to or following lateral ankle sprains. Before establishing a clinically useful biomechanic assessment tool, it is important to understand whether there is a relationship in the extent of ankle frontal plane motion across various tasks to help determine if one task or a combination of tasks would be most appropriate when evaluating patients. The purpose of this preliminary study was to analyze the relationship between ankle frontal plane kinematics during walking, step-down, and jump-landing tasks. Fifty-six recreationally active adults (gender=M:26;F:30, age=21.2±3.2, height=171.3±8.0cm, mass=75.6±15.4) volunteered. Main outcome measures were ankle frontal plane motion at initial contact and peak inversion during aerial phases across 3 tasks (walking, step-down, and jump-landing). Relationships between ankle frontal plane kinematics were analyzed by Pearson product-moment correlation coefficient (r). There were strong correlations in peak inversion during the aerial phase between the step-down and walking (r=0.68; p<0.001) and step-down and jump-landing (r=0.75; p<0.001) and at initial contact between step-down and walking (r=0.73; p<0.001) and step-down and jump-landing (r=0.72; p<0.001). Moderate correlations were identified during aerial (r=0.32; p=0.015) and at initial contact (r=0.46; p<0.001) between walking and jump-landing. The strong relationship between the amount of inversion exhibited across various tasks suggest that a single evaluation test may be sufficient in the identification of abnormal ankle biomechanics.
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