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Objective: To investigate the relationship between body mass index (BMI) and the incidence and progression of radiological knee as well as of radiological hip osteoarthritis. Design: Cohort study. Setting: Population based. Participants: 3585 people aged ≥55 years were selected from the Rotterdam Study, on the basis of the availability of radiographs of baseline and follow-up. Main outcome measures: Incidence of knee or hip osteoarthritis was defined as mi

Artrotische klachten van het bewegingsapparaat zijn een belangrijke oorzaak van pijn en beperkingen in de oudere populatie. Na knieklachten zijn heupklachten de meest voorkomende diagnose binnen deze groep aandoeningen. Heupklachten bij ouderen wordt meestal toegeschreven aan artrose van het heupgewricht, maar een andere, veel voorkomende diagnose is het trochantair pijn syndroom. Kennis over de oorzaken en de prognose van heuppijn in de huisartspraktijk is essentieel voor medici, voor beleidsmakers en voor onderzoekers. De hoofddoelstelling van dit onderzoek is dan ook de oorzaken en de prognose van heuppijn in de oudere populatie in de huisartspraktijk te onderzoeken.

BACKGROUND: Trochanteric pain is the second most important diagnosis of hip problems presenting in primary care, but its incidence and prognosis in this context is largely unknown. AIM: To determine the 1- and 5-year prognoses of trochanteric pain a

Background: It has been suggested that in some patients with primary hip osteoarthritis (OA), the disease occurs as a consequence of acetabular dysplasia or hip dysplasia (HD). Objective: To carry out a systematic review to investigate the association between acetabular dysplasia and hip OA. Methods: A database search of Medline, Embase, and the Cochrane library was carried out, and articles that aimed at studying the relationship between HD and hip OA were identified. The methodological quality of the selected studies was assessed using a standardised set of criteria, and a best evidence synthesis was used to summarise the results from the individual studies. Results: Five cohort studies and four case-control studies were included in this review. One cohort study had the correct design to answer the question and was considered to be a high quality study. This study reported a positive association between HD and hip OA. Overall, limited evidence was found for a positive association between HD and hip OA. Most studies included older people. In younger age groups the relation between HD and OA or hip complaints may be much higher. Conclusion: The evidence for the influence of HD on the occurrence of hip OA, at age 50-60 or older, is limited.

OBJECTIVE: To evaluate the evidence for the influence of obesity as a risk factor for the occurrence of osteoarthritis (OA) of the hip. METHODS: A bibliographical search of Medline, EMBASE and the Cochrane library until April 2000 was carried out. Articles describing studies of the relationship between obesity and the occurrence of hip OA were selected. The quality of the studies was assessed with a standardized set of criteria. The outcome of the studies was compared with respect to study characteristics and the quality score for the study. A best-evidence synthesis was used to summarize the results of the individual studies. RESULTS: Five longitudinal and seven cross-sectional studies were included in this review. There was no association between outcome and study design or methodological quality. The associations between obesity and hip OA were, however, stronger in studies in which the diagnosis of hip OA was based not only on radiological criteria but also on clinical symptoms. Overall, moderate evidence was found for a positive association between obesity and the occurrence of hip OA, with an odds ratio of approximately 2. CONCLUSION: The evidence for a positive influence of obesity on the development of hip OA is moderate.