DHI can be further divided into physical (DHI-p, 28 points), functional (DHI-f 36 points) and emotional (DHI-e 36 points) sub-scores. It includes 25 items with a total score ranging between 0 and 100. A recent review describe it as the most widely used and accepted self-reported measure for dizziness, translated into fourteen languages The DHI was developed to evaluate the self-perceived impairment induced by conditions affecting the vestibular system, but it was also utilized in geriatric, brain injured and multiple sclerosis patients. We used the validated Italian version of the Dizziness Handicap Inventory (DHI) ( S1 File). The aims of the present study were to define the 1-year prevalence of dizziness in an obese inpatient population undergoing metabolic rehabilitation and to investigate possible correlations with fall events. However, the authors acknowledged that their study might have underestimated the prevalence of dizziness due to the nature of their survey. To our knowledge, only one cross-sectional analysis of a national health survey had reported in obese persons complaining of dizziness a fall event in 35.4% of all the cases, versus 33.7% of a matched lean population. The relationship between dizziness and falls in the obese population is a relatively unexplored but, given the figures of obesity worldwide, it appears worth exploring it. The effect of weight on the risk of falling appear to be linear severe obesity is related to greater risk of falling, although this linearity was not observed with respect to fall-related injury or ADL disability. Mitchell has recently found that in older age, obesity was associated with a 25% rate of falls in the previous 12 months compared to lean counterparts. Adipose tissue accumulation and body mass increase are among the factors contributing to the occurrence of falls and obese persons yield greater risk of fall than normal weight subjects under daily postural stresses and perturbations. Quantitative evidence exists that it negatively affects tasks such as sit to stand, walking and balance. The excessive amount of fat modifies the body’s geometry by adding passive mass to different regions, influencing the biomechanics of activities of daily living, causing functional limitations, and possibly predisposing to injury. Excessive body weight is an important risk factor for morbidity and mortality from cardiovascular diseases, diabetes, cancer, musculoskeletal and psychiatric disorders with an effect on disability and quality of life. Obesity is currently regarded as one of the major health challenges of the developed world and is a growing concern in developing countries. Bisdorff using a more analytic survey for vertigo, dizziness, and unsteadiness, resulting from a range of vestibular and non-vestibular conditions, found a 1- year prevalence of 48.3%, 35.6% and 39.1%, respectively. A recent review reports a lifetime prevalence of 17 to 30%. Balance disorders increase risk of falls, especially in the elderly, with high associated morbidity, mortality, and consequent economic burden. Secondary to labyrinth, cardiac, neurological, endocrinological and psychological dysfunctions, dizziness can lead to balance disorders with a significant impact on quality of life and ability to work, and can become permanent. The Dizziness Handicap Inventory demonstrated to be useful to assess patient outcomes and can assist in making treatment goals and outcomes more patient focused and measurable.Dizziness is a common symptom in the general population. The significant improvement in scores demonstrated that following vestibular rehabilitation, patient perceived outcomes improved.
A significant difference in score change was determined in 57% of the patients. Statistically significant improvements in Dizziness Handicap Inventory total and sub-scores were determined following vestibular rehabilitation. Patient outcomes were assessed by comparing Dizziness Handicap Inventory total and sub-scores before and after physical therapy intervention using the Sign test at the. felt before and after they had received physical therapy intervention.
Subjects answered the Dizziness Handicap Inventory based on how they. Forty-nine former patients of a vestibular rehabilitation program participated in a phone survey following vestibular rehabilitation. This study assessed patient outcomes following vestibular rehabilitation, using the Dizziness Handicap Inventory. The Dizziness Handicap Inventory is a disease-specific questionnaire used to measure how vertigo affects an individual's quality-of-life. Vertigo, which may be caused by a variety of problems, is a significant symptom in patients with vestibular disorders.
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