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São Paulo med. j ; 134(5): 417-422, Sept.-Oct. 2016. tab, graf
Article in English | LILACS | ID: biblio-830881

ABSTRACT

ABSTRACT CONTEXT AND OBJECTIVE: The volume of knee arthroplasty procedures has increased over the last decade. The aim of this study was to estimate the frequency of these procedures performed within the public healthcare system of the state of São Paulo between 2003 and 2010. DESIGN AND SETTING: Cross-sectional study conducted in the state of São Paulo by researchers at Hospital do Servidor Público do Estado de São Paulo. METHODS: A sample of 10,952 patients (7,891 females and 3,061 males) who underwent primary total knee arthroplasty (TKA) and revision of total knee arthroplasty (RTKA) in the state of São Paulo between 2003 and 2010 was evaluated. The patients were cataloged using the public healthcare service's TABNET software. All of the patients presented primary osteoarthritis of the knee. The variables of gender, number of primary TKA procedures and number of RTKA procedures were evaluated. RESULTS: A total of 10,952 TKA procedures were performed (annual average of 1369), of which 9,271 (85%) were TKA and 1,681 (15%), RTKA. Of the TKA procedures, 72% were carried out on females (P < 0.0001), while 70% of the RTKA procedures were on females (P < 0.0001). The average ratio of TKA to RTKA was 5.5:1 (P < 0.0001); the ratios in 2003 and 2010 were 9.0:1 and 4.4:1 (P < 0.0001), respectively. CONCLUSION: The number and frequency of TKA and RTKA procedures increased in the state of São Paulo between 2003 and 2010. This increase was relatively greater in RTKA than in TKA and was predominantly in female patients.


RESUMO CONTEXTO E OBJETIVO: O volume das artroplastias de joelho tem crescido na última década. O objetivo deste estudo foi estimar a frequência desses procedimentos realizados no Sistema Público de Saúde (SUS) do Estado de São Paulo no período de 2003 a 2010. TIPO DE ESTUDO E LOCAL: Estudo transversal conduzido por pesquisadores do Hospital do Servidor Público Estadual. MÉTODOS: Foi avaliada uma amostra de 10.952 pacientes (7.891 mulheres e 3.061 homens) submetidos a artroplastia primária total de joelho (ATJ) e a revisão de artroplastia total de joelho (RATJ) no estado de São Paulo entre 2003 e 2010. Os pacientes foram catalogados por meio do programa TABNET do SUS. Todos os pacientes eram portadores de osteoartrite primária do joelho. As variáveis analisadas foram: gênero, número de ATJs e número de RATJs. RESULTADOS: No total, 10.592 ATJs foram realizadas (média anual de 1.369 procedimentos), com 9.271 (85%) ATJs e 1.691 (15%) RATJ. Das ATJ, 72% ocorreram em mulheres (P < 0.0001), enquanto 70% das RATJs foram em mulheres (P < 0.0001). A relação média de ATJ para RATJ foi de 5.5:1 (P < 0.0001), com proporção em 2003 e 2010 de 9.0:1 e 4.4:1 (P < 0.0001), respectivamente. CONCLUSÃO: O número e a prevalência das ATJs e RATJs aumentaram no estado de São Paulo no período de 2003 a 2010. Essa elevação foi relativamente maior nas RATJs quando comparadas com as ATJs e ocorreu predominantemente nos pacientes do sexo feminino.


Subject(s)
Humans , Male , Female , Delivery of Health Care/statistics & numerical data , Time Factors , Brazil , Sex Factors , Cross-Sectional Studies , Sex Distribution , Statistics, Nonparametric , Arthroplasty, Replacement, Knee/methods , Arthroplasty, Replacement, Knee/statistics & numerical data , Hospitals, Public/statistics & numerical data
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