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1.
Eur J Epidemiol ; 17(11): 1033-41, 2001.
Article in English | MEDLINE | ID: mdl-12380718

ABSTRACT

Locomotor disability, as defined by difficulties in activities of daily living related to lower limb function, can be the consequence of diseases and impairments of the cardiovascular, pulmonary, nervous, sensory and musculoskeletal system. We estimated the associations between specific diseases and impairments and locomotor disability, and the proportion of disability attributable to each condition, controlling for age and comorbidity. The Rotterdam Study is a prospective follow-up study among people aged 55 years and over in the general population. Locomotor disability in 1219 men and 1856 women was assessed with the Stanford Health Assessment Questionnaire. Diseases and impairments were radiological osteoarthritis, pain of the hips and knees, morning stiffness, fractures, hypertension, vascular disease, ischemic heart disease, stroke, heart failure, chronic obstructive pulmonary disease (COPD), depression, Parkinson's disease, osteoporosis, diabetes mellitus, overweight, and low vision. Adjusted odds ratios, etiologic and attributable fractions were calculated for locomotor disability. The occurrence of locomotor disability can partly be ascribed to joint pain, COPD, morning stiffness, diabetes and heart failure in both men and women. In addition in women osteoarthritis, osteoporosis, low vision, fractures, stroke and Parkinson's disease are significant etiologic fractions. In men with morning stiffness, joint pain, heart failure, diabetes mellitus, and COPD a significant proportion of their disability is attributable to this impairment. In women this was the case for Parkinson's disease, morning stiffness, low vision, heart failure, joint pain, diabetes, radiological osteoarthritis, stroke, COPD, osteoporosis, and fractures of the lower limbs, in that order. We conclude that locomotor complaints, heart failure, COPD and diabetes mellitus contribute considerably to locomotor disability in non-institutionalized elderly people.


Subject(s)
Lower Extremity/physiopathology , Movement Disorders/etiology , Walking , Activities of Daily Living , Aged , Aged, 80 and over , Chronic Disease/classification , Female , Follow-Up Studies , Humans , Male , Middle Aged , Movement Disorders/epidemiology , Netherlands/epidemiology , Prospective Studies , Risk Factors , Surveys and Questionnaires
2.
Arch Phys Med Rehabil ; 81(2): 189-93, 2000 Feb.
Article in English | MEDLINE | ID: mdl-10668773

ABSTRACT

OBJECTIVE: To assess the prevalence of self-assessed and physician-assessed disability and joint pain, their association, and the effect of cohort reduction and mode of assessment. DESIGN: Cross-sectional population survey. SETTING: General population, age 55 years and older. SUBJECTS: Independently living participants of the Rotterdam Study, including 1,156 men and 1,739 women. OUTCOME MEASURES: Self-reported and physician-assessed joint complaints. Patients' self-assessment of locomotor disability was by response to questions from the Stanford Health Assessment Questionnaire; physicians assessed patients' disability by administering activity tests. RESULTS: Reduction of the study cohort because of nonresponse and missing data had no influence on the frequency and effect measures. The physician-assessed prevalence of pain of the hips, knees, or feet was significantly lower than the self-assessed prevalence, with the percentage agreement being 83% for men and 74% for women, with kappa-values of approximately .40. The prevalence of physician-assessed locomotor disability was also significantly lower than the self-assessed disability, with the percentage agreement being 83% for men and 78% for women, with kappa values of .41 and .47, respectively. The associations of joint complaints with disability were similar for both modes of assessment. CONCLUSION: Cohort reduction caused by nonresponse and missing data had no influence on estimates of frequency and association. Self-assessment gives higher prevalences of joint complaints and locomotor disability than physician assessment, but the associations between complaints and disability were the same.


Subject(s)
Arthralgia/rehabilitation , Disability Evaluation , Movement Disorders/diagnosis , Pain Measurement/methods , Patient Selection , Aged , Aged, 80 and over , Arthralgia/epidemiology , Arthralgia/physiopathology , Cross-Sectional Studies , Female , Humans , Male , Middle Aged , Movement Disorders/epidemiology , Movement Disorders/physiopathology , Netherlands/epidemiology , Odds Ratio , Prevalence , Range of Motion, Articular , Retrospective Studies , Surveys and Questionnaires , Urban Population
3.
Arthritis Rheum ; 42(8): 1729-35, 1999 Aug.
Article in English | MEDLINE | ID: mdl-10446874

ABSTRACT

OBJECTIVE: To estimate the genetic influence on the occurrence of radiologic osteoarthritis (ROA) in the knees, hips, and hands and disc degeneration of the spine in the general population. METHODS: A random sample of 1,583 individuals was drawn to estimate the prevalence of ROA and disc degeneration in the general population. Of 118 probands with multiple affected joint sites who were derived from this sample, we were able to recruit 257 siblings. The variance of ROA and disc degeneration within sibling pairs was compared with the variance between sibling pairs. Heritability estimates for ROA in the knees, hips, and hands and for disc degeneration of the spine were calculated. OA was defined according to radiologic criteria, using the Kellgren/Lawrence grading system. RESULTS: We observed that hand ROA and disc degeneration of the spine were statistically significantly more frequent in siblings than in the random sample, whereas the prevalence of knee and of hip ROA was similar and lower, respectively. Heritability estimates for hand ROA and disc degeneration were statistically significant, P = 0.56 (95% confidence interval [95% CI] 0.34-0.76) and P = 0.75 (95% CI 0.30-1.00), respectively. For knee and hip ROA, no evidence of a genetic effect in the general population was found. Finally, the heritability estimate for a score that summed the number of joints affected in the knees, hips, hands, and spine was 0.78 (95% CI 0.52-0.98). All heritability estimates were adjusted for age, sex, body mass index, and bone mineral density. CONCLUSION: The present study shows that in the general population, there is a strong genetic effect for hand ROA and disc degeneration of the spine. The findings on the total number of joints affected at multiple sites suggest genetic susceptibility to generalized OA.


Subject(s)
Intervertebral Disc Displacement/genetics , Osteoarthritis/genetics , Aged , Arthrography , Body Mass Index , Bone Density , Female , Humans , Male , Middle Aged , Osteoarthritis/diagnostic imaging
4.
Folia Phoniatr Logop ; 51(3): 117-23, 1999.
Article in English | MEDLINE | ID: mdl-10394059

ABSTRACT

The effect of adenoidectomy (controls) on habitual open mouth posture was compared with adenoidectomy in combination with a logopedic instruction program (cases). One hundred and fifty-nine children were included (aged 2-10 years, mean age 4.6 years). The instruction program consisted of three individual logopedic sessions at 1 week, 2 weeks and 4 weeks postoperatively. One week preoperatively, 2 months and 1 year postoperatively an estimation of open mouth posture was carried out. Two months postoperatively there was a significant difference between the two groups (p = 0.001), but 1 year postoperatively this difference had disappeared (p = 0.526). The logopedic instruction program was not effective for the youngest age-group (<3.6 years).


Subject(s)
Adenoidectomy , Habits , Mouth/physiology , Posture , Child , Child, Preschool , Female , Follow-Up Studies , Humans , Male , Postoperative Period , Single-Blind Method , Speech Therapy
5.
Ann Rheum Dis ; 57(6): 371-4, 1998 Jun.
Article in English | MEDLINE | ID: mdl-9771213

ABSTRACT

OBJECTIVE: A genetic association study was performed to investigate whether radiographical osteoarthritis (ROA) was associated with specific genotypes of the insulin-like growth factor I (IGF-1) gene. METHODS: Subjects aged 55-65 years were selected from a population-based study of which ROA at the knee, hip, spine, and hand was assessed. Genotypes were determined of a polymorphism in the promoter region of the IGF-1 gene. RESULTS: The IGF-1 locus was significantly associated with the presence of ROA (over-all adjusted OR for heterozygous subjects = 1.9, 95% CI 1.2, 3.1 and for homozygous subjects 3.6, 95% CI 0.8, 16.2). CONCLUSION: These results suggest that variation at the IGF-1 locus is associated with ROA development and may play a part in ROA pathogenesis. To confirm these findings replication in another population-based sample is needed.


Subject(s)
Insulin-Like Growth Factor I/genetics , Osteoarthritis/genetics , Aged , Alleles , Body Mass Index , Bone Density , Female , Genotype , Humans , Male , Middle Aged , Osteoarthritis/diagnostic imaging , Osteoarthritis/physiopathology , Prospective Studies , Radiography
6.
J Clin Epidemiol ; 51(9): 795-9, 1998 Sep.
Article in English | MEDLINE | ID: mdl-9731928

ABSTRACT

BACKGROUND: Postmarketing surveillance (PMS) studies are frequently based on data from general practitioners (GPs). Patients, however, do not always report to their GP suspected adverse drug reactions. SETTING: A postmarketing cohort study on adverse reactions to sumatriptan, performed with assistance of drug dispensing GPs in The Netherlands. METHODS: Questionnaires were sent to all drug-dispensing GPs in The Netherlands, as well as to their patients on sumatriptan. To avoid bias, no specific adverse reactions were mentioned in the questionnaires. RESULTS: Of the GPs, 589 (86%) responded; of the patients, 1202 (70%) responded. The most frequently reported suspected adverse reactions to sumatriptan reported by the GPs were dizziness (1.7%), nausea or vomiting (1.5%), drowsiness or sedation (1.4%), and chest pain (1.3%). The most frequently reported suspected adverse reactions by the patients were paraesthesia (11.7%), dizziness (8.1%), feeling of heaviness (8.0%), and chest pain (7.9%). Neither the GPs nor the patients reported serious adverse reactions. CONCLUSIONS: First, patients experience significantly more suspected adverse reactions than are registered by their GP. In view of this higher frequency of reporting of suspected adverse reactions, postmarketing studies with data from GPs only, may underestimate the cumulative incidence of adverse reactions. Second, we conclude that it is possible to obtain useful additional information about adverse drug reactions from patients by sending them questionnaires via their GP.


Subject(s)
Adverse Drug Reaction Reporting Systems/statistics & numerical data , Physicians, Family , Serotonin Receptor Agonists/adverse effects , Sumatriptan/adverse effects , Adult , Cohort Studies , Drug Monitoring , Female , Humans , Incidence , Male , Netherlands/epidemiology , Product Surveillance, Postmarketing/statistics & numerical data
7.
Ann Rheum Dis ; 57(4): 203-8, 1998 Apr.
Article in English | MEDLINE | ID: mdl-9709175

ABSTRACT

OBJECTIVE: To assess the contribution of radiological osteoarthritis of the hips and knees to disabilities in the activities of daily living related to lower limb function. METHODS: During a home interview 1156 men and 1739 women, randomly chosen from the source population of all independently living residents aged 55 years and over living in a district of Rotterdam (the Rotterdam Study) were asked about locomotor disability by six questions of the Health Assessment Questionnaire (HAQ) and about pain in the hips and knees in the past month. Radiographs of hips and knees were scored according to the Kellgren grading system for osteoarthritis. RESULTS: The prevalence of locomotor disability, defined as at least some difficulty with three or more out of six lower limb functions, was 20.2% for men and 31.9% for women; hip pain was present in 8.3% of the men and 16.6% of the women; knee pain in 12.6% of the men and 22.3% of the women. The prevalence of radiological osteoarthritis grade 2+ of the hip was 14.1% for men and 15.9% for women, and of the knee 16.3% and 29.1% respectively. The odds ratio (OR) (95% confidence intervals) of hip radiological osteoarthritis for locomotor disability adjusted for age and all other variables was for men: 1.4 (0.9, 2.1) and for women: 2.2 (1.6, 2.9). The ORs of knee radiological osteoarthritis adjusted for age and all other variables were 1.1 (0.9, 2.1) and 1.4 (1.1, 1.8) respectively. Severe radiological osteoarthritis (grade 3+) was stronger associated. The ORs of pain in the hips or knees and morning stiffness were much higher (between 2.7 and 5.5 for men and between 2.1 and 5.1 for women). CONCLUSIONS: Radiological osteoarthritis of the hip and knee are only weak independent predictors of locomotor disability in women, and not at all independently associated with locomotor disability in men. Age, pain of the hips and knees, and morning stiffness seem to be the most important independent determinants of locomotor disability.


Subject(s)
Knee Joint/diagnostic imaging , Movement Disorders/diagnostic imaging , Osteoarthritis, Hip/diagnostic imaging , Osteoarthritis/diagnostic imaging , Age Factors , Aged , Aged, 80 and over , Cohort Studies , Female , Humans , Locomotion , Male , Middle Aged , Odds Ratio , Prevalence , Prospective Studies , Radiography , Sex Factors
9.
Br J Rheumatol ; 37(4): 391-7, 1998 Apr.
Article in English | MEDLINE | ID: mdl-9619889

ABSTRACT

The objectives were to determine the differences in depressive symptoms and depression between rheumatoid arthritis (RA) and osteoarthritis (OA) patients, and to analyse the contribution of sociodemographic and clinical variables to depression in RA patients. The responses of 60 Egyptian RA patients and 40 patients with OA of the knees to the Symptom Checklist-90-R Depression subscale were compared. The proportions of patients from both groups confirmed by a psychiatric interview to be clinically depressed according to the DSM-III-R criteria were also compared. The contributions of sociodemographic and disease variables to depressive symptoms and clinical depression in RA patients were explored by multiple linear and logistic regression, respectively. RA patients showed significantly higher depression scores than OA patients (P = 0.001). The difference was unaffected by controlling for the effects of age, sex, disease duration and the sociodemographic covariates. A depressive disorder was clinically confirmed in 23% of RA patients and 10% of OA patients. The erythrocyte sedimentation rate (ESR), being unmarried and an urban residence were significant predictors of depressive symptoms (P < 0.05), while being unmarried (P < 0.05, OR = 2.1) and HAQ disability (P < 0.01, OR = 3.8) were significant predictors of clinical depression in RA patients. RA patients have significantly more depressive symptoms and tend to be more clinically depressed than OA patients. The contribution of some sociodemographic and clinical variables to depression in RA patients was modest, albeit significant.


Subject(s)
Arthritis, Rheumatoid/epidemiology , Arthritis, Rheumatoid/psychology , Depression/epidemiology , Osteoarthritis/epidemiology , Osteoarthritis/psychology , Adult , Female , Humans , Logistic Models , Male , Middle Aged , Prevalence , Psychometrics , Risk Factors
10.
Neth J Med ; 53(6): 245-8, 1998 Dec.
Article in English | MEDLINE | ID: mdl-9883001

ABSTRACT

OBJECTIVES: In order to assess whether chest pain attributed to sumatriptan is associated with abnormalities on cardiac exercise testing, we performed a case-control study. SUBJECTS: Cases were selected as consumers of sumatriptan who reported sumatriptan associated chest pain. A reference group was selected randomly from consumers of sumatriptan with the same GP as the case, who reported no chest pain after use of sumatriptan. If possible, controls were matched for age (within 5-year groups) and gender. OUTCOMES: In a total of 74 cases and 55 controls symptom-limited exercise tests were performed. Besides a small difference in age, there were no differences in basic characteristics between cases and controls. Three cases had ST-depression on ECG during exercise. However, none of the variables measured during exercise testing differed significantly between cases and controls. CONCLUSIONS: The prevalence of abnormal exercise tests in patients with sumatriptan-induced chest pain is low, and not statistically different from patients without chest pain after intake of sumatriptan. Routine performance of exercise testing in patients with sumatriptan-associated chest pain is not recommended.


Subject(s)
Chest Pain/diagnosis , Serotonin Receptor Agonists/adverse effects , Sumatriptan/adverse effects , Adult , Angina Pectoris/diagnosis , Case-Control Studies , Chest Pain/chemically induced , Diagnosis, Differential , Electrocardiography , Exercise Test , Female , Follow-Up Studies , Humans , Male , Middle Aged
11.
Arch Neurol ; 54(11): 1387-92, 1997 Nov.
Article in English | MEDLINE | ID: mdl-9362987

ABSTRACT

BACKGROUND: Serious cardiac adverse reactions, including myocardial infarction, have been attributed to the antimigraine drug sumatriptan succinate. Chest pain is considered to be a relatively common adverse reaction to sumatriptan. DESIGN: Postmarketing study. PATIENTS AND METHODS: The study was a part of a national cohort study on adverse reactions to sumatriptan, which was performed with the assistance of drug-dispensing general practitioners in the Netherlands. After data were collected on observed adverse reactions, the patients received a second questionnaire, with specific questions regarding the adverse event, and questions regarding medical history, other health complaints, and smoking habits. Furthermore, they had a physical examination and a blood cholesterol measurement. RESULTS: A total of 137 patients with chest pain associated with intake of sumatriptan were identified and compared with 229 consumers of sumatriptan without this adverse reaction. After multivariate analysis, young age, hypertension, general complaints of abdominal pain, and a family history of myocardial infarction were associated with an increased risk of chest pain attributed to sumatriptan. Hypertension in particular was a risk factor for sumatriptan-induced chest pain in men (relative risk, 8.0; 95% confidence interval, 1.8-40) compared with hypertension as a risk factor in women (relative risk, 1.63; 95% confidence interval, 0.9-3.1). CONCLUSIONS: Young age, hypertension, general complaints of abdominal pain, and a family history of myocardial infarction are associated with an increased risk of chest pain attributed to sumatriptan. Sex is an effective modifier of risk factors of sumatriptan-induced chest pain. In particular, hypertension is a strong risk factor in men.


Subject(s)
Chest Pain/chemically induced , Sumatriptan/adverse effects , Vasoconstrictor Agents/adverse effects , Adult , Age Distribution , Chest Pain/epidemiology , Cohort Studies , Female , Humans , Hypertension/epidemiology , Male , Middle Aged , Myocardial Infarction/epidemiology , Product Surveillance, Postmarketing , Raynaud Disease/epidemiology , Risk Factors , Sex Distribution
12.
Semin Arthritis Rheum ; 27(2): 123-40, 1997 Oct.
Article in English | MEDLINE | ID: mdl-9355210

ABSTRACT

OBJECTIVE: To review epidemiological studies dealing with the temporal and geographic variability in the occurrence of rheumatoid arthritis (RA) and clinical studies that address the variability of severity and manifestations among populations. METHODS: An extensive search of the literature, including a Medline search, was completed. Studies addressing the origin, history, and trends in the occurrence of RA were reviewed first. Next, studies of the prevalence and incidence of RA in different populations were reviewed, and occurrence rates compared. Standardization was attempted by tabulating adult prevalence rates of studies using equivalent sets of criteria. Studies comparing RA patients from two populations were sought next. Finally, studies dealing with explanations of the presumed variability were reviewed. RESULTS: Temporal variability is indicated by paleopathological evidence that RA has existed in the New World since 4000 BC, whereas there is no evidence that it occurred in Europe before the 17th century, or in Africa before the 20th century. Epidemiological studies show a possible trend of decreasing incidence of RA in the United States and Western Europe, whereas reports from Africa note a rising incidence. In white populations of Europe and America, prevalence is approximately 1%, and incidence is 0.03%. Significantly higher rates are found in some North American Indians, and significantly lower rates in some Asian and African populations, even when the different population structures are taken into account. In the latter populations, different patterns of occurrence from those observed in whites emerge, such as greater female preponderance and a much younger peak age at onset. Direct standardized comparisons of two diverse populations of RA patients showed some differences in expression, severity, or manifestations of RA between populations. CONCLUSION: The occurrence and manifestations of RA are temporally and geographically variable.


Subject(s)
Arthritis, Rheumatoid/epidemiology , Arthritis, Rheumatoid/pathology , Africa/epidemiology , Americas/epidemiology , Americas/ethnology , Arthritis, Rheumatoid/ethnology , Asia/epidemiology , Europe/epidemiology , Europe/ethnology , Humans , Middle East/epidemiology , Prevalence
13.
Arthritis Rheum ; 40(10): 1760-5, 1997 Oct.
Article in English | MEDLINE | ID: mdl-9336408

ABSTRACT

OBJECTIVE: To investigate whether radiographically evident osteoarthritis (ROA) in 55-65-year-old men and women is associated with specific alleles or genotypes of the cartilage matrix protein (CRTM) and cartilage link protein (CRTL1) genes. METHODS: Cases were selected from a population-based study on the presence of ROA of the knee or hip. Further radiographic analysis included scoring for spine and hand ROA. Controls, selected from the same population, were free of ROA in all joints. RESULTS: The CRTM locus was significantly associated with hip ROA in men (odds ratio 0.50, 95% confidence interval 0.26-0.95). A significant association between ROA and the CRTL1 gene was not observed. CONCLUSION: These results suggest that the CRTM locus may play a role in the sex- and joint site-specific pattern of ROA development.


Subject(s)
Extracellular Matrix Proteins , Genes , Glycoproteins/genetics , Osteoarthritis/diagnostic imaging , Osteoarthritis/genetics , Proteins/genetics , Proteoglycans , Aged , Cartilage Oligomeric Matrix Protein , Female , Hip Joint , Humans , Male , Matrilin Proteins , Middle Aged , Radiography , Sex Characteristics
14.
Hypertension ; 29(4): 913-7, 1997 Apr.
Article in English | MEDLINE | ID: mdl-9095076

ABSTRACT

In 1980, a randomized trial was conducted among 476 Dutch newborn infants to study the effect of a low or normal sodium diet on blood pressure during the first 6 months of life. At the end of the trial, systolic blood pressure in the low sodium group (n = 231) was 2.1 mm Hg lower than in the control group (n = 245). To investigate whether contrasting levels of sodium intake in infancy are associated with blood pressure differences in adolescence, we measured blood pressure in 167 children from the original cohort (35%) after 15 years of follow-up. We assessed the differences in systolic and diastolic blood pressure levels between the diet groups using a multivariate regression model with adjustment for potential confounders. The adjusted systolic blood pressure at follow-up was 3.6 mm Hg lower (95% confidence interval, -6.6 to -0.5) and the diastolic pressure was 2.2 mm Hg lower (95% confidence interval, -4.5 to 0.2) in children who had been assigned to the low sodium group (n = 71) compared with the control group (n = 96). These findings suggest that sodium intake in infancy may be important in relation to blood pressure later in life.


Subject(s)
Blood Pressure , Infant Nutritional Physiological Phenomena , Infant, Newborn , Sodium, Dietary , Adolescent , Age Factors , Diastole , Follow-Up Studies , Humans , Infant , Male , Multivariate Analysis , Netherlands , Regression Analysis , Sex Factors , Systole , Time Factors
15.
Br J Rheumatol ; 35(9): 884-90, 1996 Sep.
Article in English | MEDLINE | ID: mdl-8810673

ABSTRACT

To assess the influence of abnormalities found on physical examination of the hips and knees on disability 1156 men and 1739 women aged > or = 55 yr (the Rotterdam Study) were asked about locomotor disability (LD) using six questions of the Health Assessment Questionnaire (HAQ). The prevalence of LD was 20.2% for men and 31.9% for women. Moderately restricted range of motion of the hips and knees occurred in 34.5% of the men and 38.6% of the women. The prevalence of instability of the knees was 12.5% for men and 16.8% for women. Varus deformity in men (10.1%) and valgus deformity in women (15.0%) were the most common deformities of the knees. Restricted flexion of the hips was the strongest determinant of LD. Age-adjusted odds ratios for restricted hip flexion of LD were 4.7% (95% CI: 3.2-6.8) for men and 3.5 (2.7-4.5) for women. Valgus deformity, knee instability and obliquity were risk factors only in women. Adjustment of these odds ratios for morning stiffness and joint pain did not alter the estimates.


Subject(s)
Disabled Persons , Hip/physiopathology , Knee/physiopathology , Locomotion , Movement Disorders/physiopathology , Physical Examination , Activities of Daily Living , Aged , Aged, 80 and over , Aging/physiology , Female , Humans , Joint Deformities, Acquired/epidemiology , Joint Instability/epidemiology , Male , Middle Aged , Prevalence , Range of Motion, Articular , Sex Characteristics
16.
Arthritis Rheum ; 39(1): 81-6, 1996 Jan.
Article in English | MEDLINE | ID: mdl-8546742

ABSTRACT

OBJECTIVE: To investigate the relationship of osteoarthritis (OA) to bone mineral density (BMD) and rate of bone loss. METHODS: The study group consisted of 2,745 persons (1,624 women) from the general elderly population. Disability was assessed by the Health Assessment Questionnaire. Femoral neck BMD was measured at baseline and, in 1,723 subjects, after 2 years of followup. Knee and hip radiographic OA was assessed on anteroposterior radiographs. RESULTS: With the exception of knee radiographic OA in men, radiographic OA was associated with significantly increased BMD (3-8%). BMD increased significantly according to the number of affected sites and the Kellgren score. Radiographic OA was also associated with significantly elevated bone loss with age (in men, only for radiographic OA of the hip). A significant increase in relation to the number of affected sites and the Kellgren score (except with regard to knee OA in men) was found, independent of disability. CONCLUSION: Radiographic OA is associated with high BMD and increased rate of bone loss. This suggests a more pronounced difference in BMD earlier in life.


Subject(s)
Bone Density/physiology , Osteoarthritis/physiopathology , Osteoporosis/physiopathology , Age Factors , Aged , Arthrography , Cohort Studies , Disability Evaluation , Female , Humans , Knee Joint/physiology , Male , Middle Aged , Osteoarthritis/complications , Osteoarthritis, Hip/complications , Osteoarthritis, Hip/physiopathology , Osteoporosis/complications , Prospective Studies
17.
Eur J Clin Pharmacol ; 50(5): 353-5, 1996.
Article in English | MEDLINE | ID: mdl-8839655

ABSTRACT

OBJECTIVE: To investigate the frequency of use and misuse of sumatriptan, and to explore the characteristics of patients reporting overuse. SETTING: A postmarketing cohort study on adverse reactions to sumatriptan, performed with the assistance of drug-dispensing general practitioners in the Netherlands. METHODS: Questionnaires were sent to patients on sumatriptan of drug-dispensing general practitioners in the Netherlands. Use of sumatriptan was classified into five groups: < 1, 1-10, 11-20 and 21-30 times per month and a group of patients who reported daily use of sumatriptan more than 10 times per week. Patients in the latter group were regarded as "overusers". RESULTS: The request to the 1720 patients yielded a response rate of 1202 (70%). Of 952 (79%) of these patients, details of their sumatriptan intake were available. Most patients (718, 75%) took sumatriptan 1-10 times each month. However, 36 patients (4%, 95% CI 2.8-5.2%) took sumatriptan daily or more than 10 times each week. The group with the highest intake consisted mainly of males, and many patients who reported a poor efficacy of sumatriptan. Age was not related to use of sumatriptan. CONCLUSIONS: A small group of patients (4%) used sumatriptan too often. A high intake was associated with both male gender and a reported poor efficacy of sumatriptan, but not with age, reported adverse reactions, or headache attributed to sumatriptan. It is important to explain to patients that sumatriptan is only for the treatment of acute attacks, and not for prophylactic use. Drug consumption patterns have to be evaluated, in particular in patients who report low efficacy of sumatriptan.


Subject(s)
Family Practice , Sumatriptan/administration & dosage , Administration, Oral , Adult , Cluster Headache/drug therapy , Cohort Studies , Drug Utilization , Female , Humans , Injections, Subcutaneous , Male , Middle Aged , Migraine Disorders/drug therapy , Netherlands , Patient Compliance , Self Administration , Sumatriptan/adverse effects
18.
Ned Tijdschr Geneeskd ; 139(41): 2096-100, 1995 Oct 14.
Article in Dutch | MEDLINE | ID: mdl-7477569

ABSTRACT

OBJECTIVE: Determination of the prevalence of locomotor disability and its association with signs and symptoms of the hips and knees in a Dutch general population aged 55 years and over. DESIGN: Cross-sectional population-based study. SETTING: Rotterdam-Ommoord, the Netherlands. METHOD: During home interviews of 1,901 men and 3,132 women aged 55 years and over living in the Ommoord district of Rotterdam, locomotor disability was assessed using the Health Assessment Questionnaire (HAQ). Morning stiffness and pain in the hips and knees during the past month were assessed. At the research centre weightbearing radiographs of the hips and knees were taken. Radiological osteoarthritis was defined as Kellgren score 2 or more. A complete physical examination of the hips and knees was performed. RESULTS: The prevalence of locomotor disability was 21.9% for independently living men and 36.0% for independently living women. In homes for the elderly these figures were 84.0% en 96.5%, respectively. There were significantly elevated age-adjusted odds ratios for locomotor disability for women, people in homes for the elderly, independently living men with only primary education, independently living participants with a below-median net annual income and widowed men in homes for the elderly. Taking the associations between the independent variables into account only morning stiffness, pain in the hips and knees and restricted flexion of the hips and knees were independently associated with locomotor disability in men. In women radiological osteoarthritis of the hips and knees, restricted endorotation of the hip, instability and valgus deformity of the knees were also associated with disability. CONCLUSION: The prevalence of locomotor disability in people aged 55 years and over in the general population was high and associated with female sex, low education, low income and living in a home for the elderly. Of the signs and symptoms of the hips and knees only pain in the hips and knees, morning stiffness and restricted flexion of the hip were independently associated with locomotor disability. Radiological osteoarthritis of the hip and knee did not contribute much to the explanation of locomotor disability.


Subject(s)
Hip Joint , Joint Diseases/epidemiology , Knee Joint , Activities of Daily Living , Aged , Aged, 80 and over , Cohort Studies , Cross-Sectional Studies , Demography , Female , Hip Joint/physiology , Humans , Joint Diseases/diagnosis , Knee Joint/physiology , Locomotion , Male , Middle Aged , Netherlands/epidemiology , Prevalence
19.
Diabetes Care ; 18(9): 1270-3, 1995 Sep.
Article in English | MEDLINE | ID: mdl-8612442

ABSTRACT

OBJECTIVE: To study the prevalence and determinants of glucose intolerance in a general Caucasian population. RESEARCH DESIGN AND METHODS: A random sample of 50- to 74-year old Caucasians (n = 2,484) underwent oral glucose tolerance tests. Multiple regression analyses were performed to study the association of 2-h postload plasma glucose values with potential determinants. RESULTS: Prevalence of known and newly detected diabetes and impaired glucose tolerance was 3.6, 4.8, and 10.3%, respectively. In women, but not in men, the association of body mass index with 2-h glucose was fully accounted for by the waist-to-hip ratio. Maternal history of diabetes was twice as prevalent as paternal history, but paternal history only was associated with 2-h glucose. In addition, paternal history was a stronger determinant in men than in women. An independent positive association with 2-h plasma glucose was found for alcohol use of > 30 g/day in women and for intake of total protein, animal protein, and polyunsaturated fatty acids in men. An independent inverse association with 2-h plasma glucose was demonstrated for height (both sexes), alcohol use of < or = 30 g/day (both sexes), energy intake (in men), and, unexpectedly, current smoking (in men). CONCLUSIONS: The prevalence of diabetes in elderly Caucasians was 8.3%. In men, dietary habits may unfavorably influence glucose tolerance independent of obesity.


Subject(s)
Glucose Intolerance/epidemiology , Age Factors , Aged , Alcohol Drinking , Animals , Blood Glucose/analysis , Body Height , Diabetes Mellitus/epidemiology , Diet , Energy Intake , Female , Glucose Tolerance Test , Humans , Male , Meat , Middle Aged , Netherlands/epidemiology , Prevalence , Random Allocation , Regression Analysis , Risk Factors , Sex Characteristics , Sex Factors , Smoking , White People
20.
Ann Rheum Dis ; 54(9): 721-5, 1995 Sep.
Article in English | MEDLINE | ID: mdl-7495342

ABSTRACT

OBJECTIVE: To determine the association between joint complaints and locomotor disability. METHODS: During a home interview survey 1901 men and 3135 women aged 55 years and over (the Rotterdam Study) were asked about joint pain and morning stiffness in the past month, and locomotor disability was assessed by six questions from the Health Assessment Questionnaire (HAQ). RESULTS: The prevalence of locomotor disability was 24.5% for men and 40.5% for women. The prevalence of joint pain in men was 0.7% for pain in the hips, knees, and feet simultaneously, 3.7% for pain at two joint sites, 16.0% for pain at one joint site, and 20.4% for pain in the hips and/or knees and/or feet (any joint site); the corresponding estimates for women were 1.9%, 9.0%, 23.7%, and 34.5%, respectively. The prevalence of generalised morning stiffness was 4.9% for men and 10.4% for women. The age adjusted odds ratios for locomotor disability in men ranged from 2.4 of pain at one joint site to 8.8 of pain at all three joint sites; for women these odds ratios varied between 2.5 and 5.7, respectively. The age adjusted odds ratios of generalised morning stiffness were 8.0 for men and 7.3 for women. CONCLUSION: There is a strong and independent association between locomotor disability and age, joint pain, and generalised morning stiffness in people aged 55 years and over. The odds for locomotor disability increase onefold for every year increase in age, while the presence of generalised morning stiffness is of greater influence than the presence of joint pain.


Subject(s)
Disabled Persons , Movement Disorders/epidemiology , Activities of Daily Living , Aged , Aging , Arthralgia/complications , Arthralgia/epidemiology , Cohort Studies , Female , Humans , Male , Middle Aged , Movement Disorders/complications , Netherlands/epidemiology , Odds Ratio , Prevalence , Sex Factors
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