Os inquéritos de saúde de base populacional constituem o principal instrumento utilizado para conhecer a prevalência de doenças crônicas, de restrições de atividades e de uso de serviços de saúde. Com base nos dados da PNAD-2003, foram estimadas as prevalências das 12 doenças crônicas pesquisadas, segundo sexo, idade, cor, escolaridade, macrorregião de residência e situação urbana ou rural do domicílio. Foram analisados a presença de limitações e o uso de serviços de saúde segundo a presença de doença crônica. Utilizando regressão de Poisson, foram estimadas as razões de prevalências ajustadas por idade, sexo, macrorregião de residência e tipo de respondente. A prevalência de pelo menos uma doença crônica aumentou com a idade, foi maior entre mulheres, indígenas, pessoas com menor escolaridade, cidadãos detentores de plano de saúde, migrantes de outros estados, residentes em áreas urbanas e moradores da região Sul. A presença de doença crônica provocou aumento de limitação de atividades e da demanda por serviços de saúde. As condições mais prevalentes foram: doença de coluna, hipertensão, artrite e depressão. Foi detectada significativa desigualdade social no padrão das doenças crônicas, segundo gênero, cor/raça, nível de escolaridade, região de residência e situação do domicílio.
CONTEXT AND OBJECTIVE: The diagnosis of repetitive strain injury (RSI) is subjective and solely based on clinical signs and physical examination. The aim of this paper was to assess the usefulness of three-phase bone scintigraphy (TPBS) in diagnosing RSI. DESIGN AND SETTING: Prospective study at the Division of Nuclear Medicine, Department of Radiology, School of Medical Sciences, Universidade Estadual de Campinas (Unicamp). METHODS: Seventy-three patients (mean age 31.2 years; 47 males) with clinical suspicion of RSI in the upper limbs were studied. A total of 127 joints with suspicion of RSI were studied. The shoulders, elbows and wrists were analyzed semi-quantitatively, using the shafts of the humeri and ulnae as references. The results were compared with a control group of 40 normal individuals. The patients’ signs and symptoms were used as the "gold standard" for calculating the probabilities. RESULTS: From visual analysis, abnormalities were observed in the flow phase for four joints, in the blood pool phase for 11 joints and in the delayed images for 26 joints. Visual analysis of the joints of the control group did not show any abnormalities. Semi-quantitative analysis showed that most of the patients’ joint ratios were normal. The exceptions were the wrists of patients with left-sided RSI (p = 0.0216). However, the sensitivity (9%) and accuracy (41%) were very low. CONCLUSION: TPBS with semi-quantitative analysis has very low sensitivity and accuracy in the detection of RSI abnormalities in the upper limbs.
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