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Video Head Impulse Testing From Bench Bedside PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Video Head Impulse Testing From Bench Bedside articles that have been published worldwide.
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Over 30 years ago, the head impulse test (HIT) was measured with search coil recordings and it provided robust evidence for a new test of vestibular function that could detect impairment of a single semicircular canal, that is, the lateral canal. Over the next two decades, the diagnostic spectrum of HIT was expanded to the testing of vertical canals, differentiation of central from peripheral vestibulopathy, and incorporation of visual interaction - the suppressed head impulse. However, HIT measurement was ...
An erratum was issued for: Testing of all Six Semicircular Canals with Video Head Impulse Test Systems. The article title was updated. The article title was updated from: Functional Testing of all Six Semicircular Canals with Video Head Impulse Test Systems to: Testing of all Six Semicircular Canals with Video Head Impulse Test Systems.
The video-Head-Impulse-Test (vHIT) is widely used to evaluate vestibular function. Nevertheless, there is no consensus on the necessary or ideal number of impulses performed for robust VOR gains. Therefore, the aim of our study is to analyze how many impulses are needed to receive reliable VOR gains in difficult testing situations like testing children younger than 48 months and in children with vestibular loss.
To evaluate the effect of artifacts on the impulse and response recordings with the video head impulse test (VHIT) and determine how many stimuli are necessary for obtaining acceptably efficient measurements.
To describe the possible diagnostic role of video-head impulse test (vHIT) in patients presenting with positional downbeat nystagmus (PDN) due to benign paroxysmal positional vertigo (BPPV) involving the anterior canal (AC) or the non-ampullary arm of the posterior canal (PC).
Bilateral vestibulopathy is a clinical syndrome in which laboratory testing plays a crucial diagnostic role. We aimed to establish the frequency of detection of that finding in a tertiary level hospital considering the new methods of laboratory vestibular examination nowadays in use, with respect to the conventional caloric and rotatory chair test approaches.
The vestibulo-ocular reflex (VOR) is the only system that maintains stable vision during rapid head rotations. The VOR gain (eye/head velocity) can be trained to increase using a vestibular-visual mismatch stimulus. We sought to determine whether low-frequency (sinusoidal) head rotation during training leads to changes in the VOR during high-frequency head rotation testing, where the VOR is more physiologically relevant. We tested 8 normal subjects over 3 sessions. For training protocol 1, subjects performe...
Determine associations between preoperative caloric testing and video head impulse testing (vHIT) with baseline and postoperative Penn Acoustic Neuroma Quality of Life (PANQOL) scores following resection of vestibular schwannoma (VS).
Mesenchymal stem cells (MSCs) comprise a mixture of various stem cells in myeloid tissue with multipotential differentiation capacity. They can differentiate into bone cells under specific conditions and can be used to treat osteonecrosis of the femoral head through cell transplantation. This chapter summarizes research on MSCs in the field of osteonecrosis of the femoral head performed by our team, reveals the progress realized in the last 30 years, describes their potential to treat osteonecrosis disease,...
Recent advances in vestibular testing now permit functional testing of all peripheral vestibular sense organs (all three semicircular canals, utricle, and saccule). This makes it possible to identify patients with isolated dysfunction of the utricle or saccule, even though parallel pathways for vestibular information are ultimately integrated centrally. Selective, isolated unilateral loss of utricular function as measured by ocular vestibular-evoked myogenic potentials (VEMPs) has been observed in patients ...
The objectives of the study were to evaluate the vestibular impairment in children with otitis media with effusion (OME) and dizziness by using vHIT test, and to compare their results with healthy children.
This is the first study to demonstrate vestibular deficit in patients with vestibular schwannoma who do not have clinical symptoms of imbalance. Balance can have significant impact on patient's quality of life, and vHIT can potentially identify those at risk of balance problems. vHIT is the only validated test for six-canal vestibular function. vHIT is quick and easily tolerated and can be useful in helping patients understand their balance symptoms. The posterior semi-circular canal seems to be most often ...
Isometric strength tests are gaining popularity in recent years. However, no study has validated any isometric strength tests to assess upper body pulling ability. The aim of this study was to investigate the validity and reliability of isometric prone bench pull. Twenty-three resistance trained athletes (age: 26±4 years, height: 1.75±0.07 m, body mass: 78.6±11.5 kg) were required to perform prone bench pull 1 repetition maximum and isometric prone bench pull tests during the familiarization and actu...
Point-of-care testing (POCT) devices are designed for clinical laboratory testing at the bedside or near the patient and can significantly reduce the turnaround time for laboratory test results. The next generation for clinical laboratory testing may be devices that are worn or attached to the patient.
Transgender youth have low rates of engagement in HIV prevention, shaped in part by experiences of transphobia and lack of access to culturally competent care. Project Moxie tested the feasibility of an intervention that provides home-based HIV self-testing coupled with video-chat counseling. A diverse sample of 202 binary and nonbinary transgender youth (TY) were recruited online, and randomized 2:1 to receive the intervention or a control condition of only home-based HIV self-testing. TY were willing to o...
Until recently, vestibular caloric stimulation was the only objective diagnostic method for isolating the function of the lateral semi-circular canals responsible for maintaining balance. Since 2014, the Video Head Impulse Test (vHIT) has been applied in the Czech Republic to investigate the function of all semi-circular canals. Studies conducted so far have shown that the results of these two methods do not often agree.