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      Depression, quality of life, and medical resource utilization in sickle cell disease

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          Key Points

          Depression was found in 35.2% of adult SCD patients and was strongly associated with worse physical and mental quality-of-life outcomes. Total health care costs for adult SCD patients with depression were more than double those of SCD patients without depression.

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          Most cited references37

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          Reliability and validity of a computerized neurocognitive test battery, CNS Vital Signs.

          CNS Vital Signs (CNSVS) is a computerized neurocognitive test battery that was developed as a routine clinical screening instrument. It is comprised of seven tests: verbal and visual memory, finger tapping, symbol digit coding, the Stroop Test, a test of shifting attention and the continuous performance test. Because CNSVS is a battery of well-known neuropsychological tests, one should expect its psychometric properties to resemble those of the conventional tests upon which it is based. 1069 subjects age 7-90 participated in the normative database for CNSVS. Test-retest reliability (TRT) was evaluated in 99 Ss who took the battery on two separate occasions, separated, on the average, by 62 days; the results were comparable to those achieved by equivalent conventional and computerized tests. Concurrent validity studies in 180 subjects, normals and neuropsychiatric patients, indicate correlations that are comparable to the concurrent validity of similar tests. Discriminant validity is supported by studies of patients with mild cognitive impairment and dementia, post-concussion syndrome and severe traumatic brain injury, ADHD (treated and untreated) and depression (treated and untreated). The tests in CNSVS are also sensitive to malingerers and patients with conversion disorders. The psychometric characteristics of the tests in the CNSVS battery are very similar to the characteristics of the conventional neuropsychological tests upon which they are based. CNSVS is suitable for use as a screening instrument, or as a serial assessment measure. But it is not a substitute for formal neuropsychological testing, it is not diagnostic, and it will have only a limited role in the medical setting, absent the active participation of consulting neuropsychologists.
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            Health-related quality of life associated with chronic conditions in eight countries: results from the International Quality of Life Assessment (IQOLA) Project.

            Few studies and no international comparisons have examined the impact of multiple chronic conditions on populations using a comprehensive health-related quality of life (HRQL) questionnaire. The impact of common chronic conditions on HRQL among the general populations of eight countries was assessed. Cross-sectional mail and interview surveys were conducted. Sample representatives of the adult general population of eight countries (Denmark, France, Germany, Italy, Japan, The Netherlands, Norway and the United States) were evaluated. Sample sizes ranged from 2031 to 4084. Self-reported prevalence of chronic conditions (including allergies, arthritis, congestive heart failure, chronic lung disease, hypertension, diabetes, and ischemic heart disease), sociodemographic data and the SF-36 Health Survey were obtained. The SF-36 scale and summary scores were estimated for individuals with and without selected chronic conditions and compared across countries using multivariate linear regression analyses. Adjustments were made for age, gender, marital status, education and the mode of SF-36 administration. More than half (55.1%) of the pooled sample reported at least one chronic condition, and 30.2% had more than one. Hypertension, allergies and arthritis were the most frequently reported conditions. The effect of ischemic heart disease on many of the physical health scales was noteworthy, as was the impact of diabetes on general health, or arthritis on bodily pain scale scores. Arthritis, chronic lung disease and congestive heart failure were the conditions with a higher impact on SF-36 physical summary score, whereas for hypertension and allergies, HRQL impact was low (comparing with a typical person without chronic conditions, deviation scores were around -4 points for the first group and -1 for the second). Differences between chronic conditions in terms of their impact on SF-36 mental summary score were low (deviation scores ranged between -1 and -2). Arthritis has the highest HRQL impact in the general population of the countries studied due to the combination of a high deviation score on physical scales and a high frequency. Impact of chronic conditions on HRQL was similar roughly across countries, despite important variation in prevalence. The use of HRQL measures such as the SF-36 should be useful to better characterize the global burden of disease.
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              Comorbid depression, chronic pain, and disability in primary care.

              The objectives of this study were to provide estimates of the prevalence and strength of association between major depression and chronic pain in a primary care population and to examine the clinical burden associated with the two conditions, singly and together. A random sample of Kaiser Permanente patients who visited a primary care clinic was mailed a questionnaire assessing major depressive disorder (MDD), chronic pain, pain-related disability, somatic symptom severity, panic disorder, other anxiety, probable alcohol abuse, and health-related quality of life (HRQL). Instruments included the Patient Health Questionnaire, SF-8, and Graded Chronic Pain Questionnaire. A total of 5808 patients responded (54% of those eligible to participate). Among those with MDD, a significantly higher proportion reported chronic (i.e., nondisabling or disabling) pain than those without MDD (66% versus 43%, respectively). Disabling chronic pain was present in 41% of those with MDD versus 10% of those without MDD. Respondents with comorbid depression and disabling chronic pain had significantly poorer HRQL, greater somatic symptom severity, and higher prevalence of panic disorder than other respondents. The prevalence of probable alcohol abuse/dependence was significantly higher among persons with MDD compared with individuals without MDD regardless of pain or disability level. Compared with participants without MDD, the prevalence of other anxiety among those with MDD was more than sixfold greater regardless of pain or disability level. Chronic pain is common among those with MDD. Comorbid MDD and disabling chronic pain are associated with greater clinical burden than MDD alone.
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                Author and article information

                Journal
                Blood Advances
                American Society of Hematology
                2473-9529
                2473-9537
                October 24 2017
                October 24 2017
                October 12 2017
                : 1
                : 23
                : 1983-1992
                Affiliations
                [1 ]Department of Medicine, Duke University, Durham, NC;
                [2 ]Hematology Department, King Abdulaziz University, Jeddah, Saudi Arabia;
                [3 ]Duke Clinical Research Institute, Durham, NC; and
                [4 ]Department of Medicine, University of Pittsburgh, Pittsburgh, PA
                Article
                10.1182/bloodadvances.2017006940
                29296845
                2d1c062e-8589-4a9c-ba03-c5020280de8e
                © 2017
                History

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