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PubMed2002

From visual function deficiency to handicap: measuring visual handicap in Mali.

BACKGROUND/AIMS: Blindness is a major public health problem in developing countries, even though most could be prevented by relatively simple hygienic and medical interventions. Relatively few patients use the quality health care services available, despite their low cost, due to problems of access or socio-cultural barriers. This health services research project stressed the need for measurement of subjective self-perceived health. The objectives of this study were twofold: a) To translate, adapt and integrate the cultural context found in Mali and validate two instruments for measuring, respectively, perceived vision and quality of life. b) To study the relationship between these variables and visual deficiencies by gender. METHODS: The perceived vision and quality of life questionnaires were based on a translation of the Aravind questionnaire, adapted to Mali. The resulting perceived vision questionnaire comprises 13 questions, grouped according to five subscales (global vision, visual perception, sensory adaptation, visual field and depth perception). Furthermore, the 13 questions on quality of life were grouped into four subscales (personal care, mobility, social life and psychological). For both questionnaires, a global score could be computed. These two questionnaires were administered to a representative sample of 203 subjects with impaired vision, aged over 40, in a rural area in Mali. RESULTS: The acceptability of the questionnaires was good (1% missing data). The convergent validity was adequate for all but one subscale (psychological). The discriminate validity is acceptable for three of the six subscales where measurement can be made (visual perception, personal care, mobility). The Cronbach alpha coefficients indicate good reliability for the global scores. CONCLUSIONS: Analysis of mean results confirms the validity of the International Classification of Disease (ICD) definition of blindness (seeing less than 0.05 results in a steep decrease in quality of life). Moreover, blindness affects the quality of life of women more severely than that of men; this may be related to the availability of social support.

Adult↗

PubMed1989

[Measurement of handicap in the community: a micro survey in a French village].

Handicap is the result of a process initiated by an underlying disease, an accident or an abnormality, which leads to a functional deficit in various situations of everyday life. This definition, derived from the International Classification of Impairments, Disabilities, and Handicaps (ICIDH), reflects the desire of the elderly and the handicapped for social integration. It may also form the conceptual basis for analysis of the capacities of individuals and populations. To this end, a micro-survey was conducted in a homogeneous village community of 532 people aged 1-92 years. This study was of the ergonomic type, accompanied by a questionnaire on perceived restrictions and handicaps, and carried out transversely over a period of one month (94.7% participation). The specific objectives of the study were to obtain a reliable functional representation of the population of the village, comparing self-assessment of functional capacity with observed performance, and analysing the effects of age on capacity. The copious data collected in the areas of locomotion, prehension and communication have provided a detailed functional profile of the population studied. These data may be transposed to particular environments, such as transport, housing, school or work, and may serve as a basis for comparisons. The difficulties encountered by subjects in the tests were closely correlated with the situations simulated by the tests. Subjective estimation of handicap proved to be reliable in comparison with actual performance, especially for tests of mobility and highly demanding situations. Estimation of the presence of a handicap increased with age. The deterioration in performance observed was proportional to age, but can be perceived to begin early, at about 30-40 years. Disability-free life expectancy (DFLE) could be an interesting indicator in so far as it appears to be sensitive to the confrontation of individual functional capacities with the environment. However, it is important that any disability used as a basis for calculation should be measured with maximum precision. A community survey of this kind is thus particularly useful for ergonomic purposes, but is also valuable for the planning of medical and social assistance at the local level in the areas of disability and handicap. The combination of observation and listening to people, with an interview, appears to be fruitful and reliable. Single studies of well-targeted samples of the population, or, alternatively, of larger and more significant populations, would be desirable in public health, since the epidemiological approach to handicap has hitherto been essentially focused on diagnosis and medical evaluation.

Activities of Daily Living↗

PubMed2005

Characteristics of patients with Guillain Barre Syndrome at a tertiary care centre in Pakistan, 1995-2003.

OBJECTIVE: To study the clinical presentation, hospital course and outcome of patients admitted with Guillain Barre Syndrome (GBS) to a tertiary care hospital in Karachi, Pakistan. METHODS: The charts of patients conforming to International Classification of Diseases (ICD) code 9.0, for GBS, from September 1995 to January 2003 were reviewed. Clinical data was recorded on a standardized questionnaire, which included patients' age, sex, antecedent events, neurological signs and symptoms and ventilation requirement. The hospital course was analyzed, including nosocomial infections, therapy given and the functional status of patients, using the Rankin scale (0-6). Standard SPSS 11.5 software (Windows) was used for data analysis. RESULTS: Thirty-four cases of GBS were admitted to the hospital during the study period, with an age range of 3 to 70 years. The mean age for disease onset was 35.2 years for female patients, compared to 30 years for males; the male/female ratio was 1.6:1.Gastrointestinal infections (12/22, 54.6%) were the most common antecedent event, followed by upper respiratory tract infections (9/22, 40.9%) and skin lesions (1/22, 4.5%). Most patients developed GBS within one month of the preceding infection. Cranial nerve abnormalities (30/34, 88.2%), autonomic dysfunction (21/34, 61.8%) and respiratory failure requiring intubation (19/34, 55.9%) were also common. The median Rankin score of patients at admission, and at 30 and 60 days thereafter was 5, 4 and 3.5 respectively. The in-patient mortality was 1 of 34 (2.4%). CONCLUSION: We found that GBS occurred at all ages and was slightly more common in males. Majority of patients had an antecedent history of infection and had severe disease on presentation. The patients were treated with either plasmapheresis or intravenous immunoglobulins and there was no significant difference in outcome in the two groups. Despite severe persistent disability, in-hospital mortality was low.

Adolescent↗

PubMed2008

Human and economic burden of generalized anxiety disorder.

The goal of the current work is to provide a comprehensive review and interpretation of the literature on the human and economic burden of generalized anxiety disorder (GAD) and how it compares with that of other mental disorders. The term "human burden" is used to describe quantified impairments in role functioning and quality of life (QOL). "Economic burden" describes costs related to health care resource utilization and lost work. A review of 34 studies reporting original quantitative data on associations between GAD and role functioning, QOL, and/or economic costs was undertaken. GAD was defined by DMS-III-R, DSM-IV, or ICD-10 DCR. Persons with GAD (both with and without a comorbid mental disorder) described significant impairments due to both physical and emotional problems. Studies typically showed that role and QOL impairments of GAD were at least comparable in magnitude to those of other anxiety disorders, somatoform disorders, and physical conditions, and greater than those of substance use disorders. Large representative studies showed that role impairments of pure GAD were similar in magnitude to those of pure MDD. Studies of DSM-IV disorders showed that QOL impairments of GAD were at least comparable in magnitude to those of MDD; studies of DSM-III-R disorders showed the opposite pattern. GAD was associated with considerable economic costs owing to lost work productivity and high medical resource use. Quality of care initiatives that have been implemented to increase recognition and improve treatment outcomes for persons with MDD should be extended to the effective management of GAD.

Anxiety Disorders↗

PubMed1997

Prevalence of occupational lung disease among Botswana men formerly employed in the South African mining industry.

OBJECTIVE: To determine whether previous health experiences affect the prevalence of occupational lung disease in a semirural Botswanan community where there is a long history of labour recruitment to South African mines. METHOD: A cross sectional prevalence study of 304 former miners examined according to a protocol including a questionnaire, chest radiograph, spirometry, and medical examination. RESULTS: Overall mean age was 56.7 (range 28-93) years, mean duration of service 15.5 (range 2-42) years. 26.6% had a history of tuberculosis. 23.3% had experienced a disabling occupational injury. Overall prevalence of pnemoconiosis (> 1/0 profusion, by the International Labour Organisation classification) was 26.6%-31.0%, and 6.8% had progressive massive fibrosis (PMF). Many were entitled to compensation under South African law. Both radiograph readers detected time response relations between pneumoconiosis and PMF among the 234 underground gold miners. PMF could result from < 5 years of exposure, but was not found < 15 years after first exposure. Both pulmonary tuberculosis (PTB) and pneumoconiosis were found to be associated with airflow limitation. CONCLUSIONS: Former miners in Botswana have a high prevalence of previously unrecognised pneumoconiosis, indicative of high previous exposures to fibrogenic respirable dust. Their pneumoconiosis went unrecognised because they had no access to surveillance after employment. Inadequate radiographic surveillance or failure to act on results when employed or when leaving employment at the mines could have contributed to under recognition. Community based studies of former miners are essential to fully evaluate the effects of mining exposures. Our findings indicate a failure of established measures to prevent or identify pneumoconiosis while these miners were in employment and show that few of the social costs of occupational lung diseases are borne by mining companies through the compensation system.

Accidents, Occupational↗

PubMed2005

[Quality of life and voice handicap of laryngectomees using tracheoesophageal substitute voice].

BACKGROUND: Health-related quality of life (QoL) and subjective health have become popular constructs for the evaluation of both efficacy and efficiency of diagnostic and therapeutic procedures in medicine. QoL is considered a multidimensional construct encompassing physical, mental and social facets of life. It is an accepted outcome parameter not only in international classification systems such as ICIDH and ICF, but as well in clinical guidelines and disease management programs. Measuring quality of life allows for comparison of different diseases though it certainly lacks disease specific aspects. Thus, it has to be assumed that in patients with distinct functional deficits QoL cannot cover all aspects that are important for the individual patient. This study focuses on laryngectomies and their self-evaluation of post-laryngectomy speech. It is well known that these patients experience a decreased QoL compared to patients after partial laryngectomy or healthy persons. In this study, the impact of voice restoration on the laryngectomies' QoL was evaluated. PATIENTS AND METHODS: In 20 male laryngectomies aged 62 +/- 8 years, relations between QoL and voice handicap were evaluated using two instruments as proposed in the international literature, i. e. the Short-Form Health Survey (SF-36) and the Voice Handicap Index (VHI). All patients had successfully been using tracheoesophageal substitute voice for at least one year. Complete data sets were available from all patients. Data were analysed using Microsoft Excel and Sigma Plot, Jandel Corp. software packages. RESULTS: Results of both the SF-36 and the VHI reveal wide interindividual ranges. There are statistically significant correlations (p < 0.05) between the SF-36's scales General Health and Vitality and the VHI, whereas no correlations were found between social and psychological scales and the voice handicap. DISCUSSION: Wide ranges of the data obtained reveal that obviously both health related quality of life and voice handicap are not affected in a group specific way. So, both tests are of clinical value to depict individual aspects of wellbeing after laryngectomy. The combination of VHI and SF-36 illuminates correlations between general and special subjective aspects. Strikingly, the laryngectomies' social and psychological status is not related to their voice handicap. Data allow for conclusion that laryngectomies' substitute voice problems do not affect social aspects of quality of life in a disease specific way, at least as long as voice restoration was successful at all.

Aged↗

PubMed2002

Physiology of wheelchair racing in athletes with spinal cord injury.

Wheelchair racing is one of the most popular sporting activities of individuals with spinal cord injury. Athletes with this impairment have unique changes in metabolic, cardiorespiratory, neuromuscular and thermoregulatory systems, which reduce their overall physiological capacity compared with able-bodied individuals or individuals with other types of impairments. This review on spinal cord injury: presents the International Stoke Mandeville Games Federation classification of wheelchair athletes; describes methods commonly used to characterise anaerobic and aerobic fitness; presents the findings of physiological studies that have evaluated wheelchair racing performance; identifies the risks associated with temperature regulation when competing in wheelchair races; and discusses special conditions that can influence wheelchair racing performance. Currently there is limited research that has examined the relationship between sprint or distance wheelchair racing performance and the anaerobic and aerobic components of physical fitness. Although the descriptive evidence indicates that the profiles of these athletes reflect their training and participation in these specific events, the association between their physiological profiles and real or simulated racing performance is unclear. The generally accepted concept that high values of aerobic and anaerobic power are strongly correlated with endurance and sprint racing performance, respectively, are not necessarily true in this population. Athletes with spinal cord injury have an impaired thermoregulatory capacity, because the compromised autonomic and somatic nervous system functions disrupt control of skin blood flow and sweating below the level of the lesion. As a result, they may be more susceptible to hyperthermia during distance wheelchair racing performance. Wheelchair athletes should follow recommendations advocated for able-bodied individuals to minimise their risks of heat stress during competition. Many athletes with quadriplegia voluntarily induce autonomic dysreflexia (commonly known as boosting) during distance racing events to improve performance. Experimental evidence indicates that boosting can improve performance time by 10% in elite wheelchair marathon racers during simulated racing, as a result of increased oxygen utilisation in the boosted state. However, since boosting can be dangerous to health, the International Paralympic Committee has banned athletes from voluntarily inducing it during competition. The use of anti-gravity suits to increase lower-body positive pressure can increase the peak oxygen uptake, cardiac output and stroke volume. However, the use of abdominal binders does not influence these physiological responses. An effect of either of these techniques on wheelchair racing performance has not been demonstrated.

Body Temperature Regulation↗

PubMed2002

[Can the classification of patients for phase B, C and D of neurological rehabilitation be done by FIM(tm) scores?].

The classification of patients for phase B, C and D of neurological rehabilitation follows the suggestions of the Bundesarbeitsgemeinschaft für Rehabilitation (BAR) based on defined clinical criteria and on neurological rehabilitation assessment. The focus of this study is to define the intervals of the complete FIM(tm)-index, intervals covered empirically as well as by evaluations of physicians, that permit utmost accuracy in assigning patients to phase B, C and D of neurological rehabilitation. Therefore, data records of 3686 patients from 4 neurological rehabilitation centres were evaluated. The patients' functional autonomy was classified by FIM(tm) on admission, in intervals of 14 days and at discharge, at the same time all patients in addition were assigned to phases B, C or D by the rehabilitation centre physicians. Statistical analysis of a total of 11,247 links of the phase classifications and FIM-indexes at 6 measurement points showed that correct correlation to phase B, C and D could be obtained on average in 79 to 89 % of the cases, based on the assumption that 18 - 36 points of the FIM-index assign to phase B, 37 - 90 points to phase C and 91 - 126 points to phase D. Discrimination between phases B and C could be obtained accurately in an average of 84 %, discrimination between phases C and D in an average of 89 %. Conformance of the FIM-intervals with TAR-based groups of care efforts compared to the evaluation by physicians indicate that the FIM(tm) represents the need for care with greater validity. If assignment to phases B, C and D would have been done on the basis of the FIM-index instead of evaluation by a physician, 8,9 % fewer patients would on admission have been classified for phase C but, instead, 4,5 % more patients for phase B and 4,4 % for phase D. In case of using the FIM-intervals for classification, 12,1 % more phase B patients could have changed to phases C or D. Of the phase C cases, 17,7 % could have been transferred to phase D before discharge. The number of phase D patients would have remained unchanged comparing admission and discharge. FIM-orientated classification for the phases of neurological rehabilitation offers considerable advantages: operationalized criteria, possibility of statistical evaluation, objectiveness, reliability, validity, reproducibility of the decisions, sensitivity to change, prognostic sensitivity, and suitability as an instrument for internal and external quality assurance.

Activities of Daily Living↗

PubMed2002

Radiosurgery for residual or recurrent nonfunctioning pituitary adenoma.

OBJECT: Nonfunctioning pituitary adenomas comprise approximately 30% of all pituitary tumors. The purpose of this retrospective study is to evaluate the efficacy and role of gamma knife radiosurgery (GKS) in the management of residual or recurrent nonfunctioning pituitary adenomas. METHODS: A review was conducted of the data obtained in 42 patients who underwent adjuvant GKS at the University of Pittsburgh between 1987 and 2001. Prior treatments included transsphenoidal resection, craniotomy and resection, or conventional radiotherapy. Endocrinological, ophthalmological, and radiological responses were evaluated. The duration of follow-up review varied from 6 to 102 months (mean 31.2 months). Fifteen patients were observed for more than 40 months. The mean radiation dose to the tumor margin was 16 Gy. Conformal radiosurgery planning was used to restrict the dose to the optic nerve and chiasm. Tumor control after GKS was achieved in 100% of patients with microadenomas and 97% of patients with macroadenomas. Gamma knife radiosurgery was equally effective in controlling adenomas with cavernous sinus invasion and suprasellar extension. No patient developed a new endocrinological deficiency following GKS. One patient's tumor enlarged with an associated decline in visual function. Another patient experienced a deterioration of visual fields despite a decrease in tumor size. CONCLUSIONS: Gamma knife radiosurgery can achieve tumor control in virtually all residual or recurrent nonfunctioning pituitary adenomas. Dose sparing facilitates tumor management even when the adenoma is close to the optic apparatus or invades the cavernous sinus.

Adenoma↗