Publications by authors named "S Shahbal"

Vestibular Hypofunction (VH) and hearing loss can affect quality of life and lead to disability, especially in the elderly. Studies investigating presbycusis and vestibular function in the aging population have been conducted separately, but few have examined the combination of both conditions in older patients, with inconsistent results that may be due to small sample sizes or heterogeneity in the methods used to assess vestibular function. We aimed to characterize the occurrence of VH in patients with presbycusis using the video head impulse test (vHIT), which is a specific and reliable assessment tool for VH.

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Background: Alternative tobacco products like midwakh are gaining popularity as potential substitutes for traditional cigarettes despite a misconception among smokers that they may be less harmful.

Objectives: To determine the prevalence, knowledge, beliefs, and predictors of midwakh smoking among adult smokers in Qatar during 2022.

Method: An analytic cross-sectional study was conducted from January 2022 to July 2022.

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Objectives: Clinical research professionals must be equipped with adequate training in sound scientific methods and appropriate ethics. In this study, we aimed to assess the current clinical research self-efficacy of researchers at Hamad Medical Corporation (HMC). We also evaluated the effects of training courses on researchers' self-efficacy.

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The aim of this systematic review is to estimate: (i) the overall effect of blinding models on bias; (ii) the effect of each blinding model; and (iii) the effect of un-blinding on reviewer's accountability in biomedical research proposals. Systematic review of prospective or retrospective comparative studies that evaluated two or more peer review blinding models for biomedical research proposals/funding applications and reported outcomes related to peer review efficiency. Three studies that met the inclusion criteria were included in this review and assessed using the QualSyst tool by two authors.

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