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      Necrose avascular da cabeça femoral em pacientes HIV positivos: resultados iniciais do tratamento cirúrgico por substituição articular cerâmica-cerâmica Translated title: Avascular necrosis of the femoral head in HIV-infected patients: preliminary results from surgical treatment for ceramic-ceramic joint replacement

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          Abstract

          OBJETIVOS: Avaliar os resultados funcionais iniciais e o índice de complicações precoces das artroplastias totais do quadril cerâmica-cerâmica em pacientes que convivem com o HIV e apresentam osteonecrose da cabeça femoral. MÉTODO: Doze pacientes HIV+ com diagnóstico de osteonecrose da cabeça do fêmur incongruente foram avaliados através de critérios clínicos, laboratoriais, pela escala funcional WOMAC antes e após o tratamento com substituição articular. RESULTADOS: Observamos que 83,3% dos indivíduos faziam uso de inibidores de protease, 75% apresentavam dislipidemia e 66,6% síndrome lipodistrófica, a melhora na evolução no escore WOMAC foi estatisticamente significativa para seis e 12 meses de pós-operatório em comparação com o escore pré-operatório e não observamos complicações secundárias a esse procedimento. CONCLUSÃO: A artroplastia total do quadril com implante de cerâmica-cerâmica para o tratamento da necrose avascular do quadril nessa parcela da população é opção cirúrgica adequada, apresenta melhora funcional inicial significativa e baixo índice de complicação precoce.

          Translated abstract

          OBJECTIVES: To evaluate the initial functional results and early complication rate of ceramic-ceramic total hip replacements among patients living with HIV who presented osteonecrosis of the femoral head. METHOD: Twelve HIV-positive patients with a diagnosis of osteonecrosis of the incongruent femoral head were evaluated using clinical and laboratory criteria and the WOMAC functional scale before and after treatment with joint replacement. RESULTS: We observed that 83.3% of the subjects were taking protease inhibitors, 75% had dyslipidemia and 66.6% had lipodystrophy syndrome. The improvement over the evolution of the WOMAC score was statistically significant at six and twelve months after the operation, in comparison with the preoperative score. We did not observe complications secondary to this procedure. CONCLUSION: Total hip arthroplasty with a ceramic-ceramic implant for treating avascular necrosis of the hip is an appropriate surgical option for this portion of the population. It provides a significant initial functional improvement and a low early complication rate.

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          Most cited references23

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          Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.

          Within the context of a double blind randomized controlled parallel trial of 2 nonsteroidal antiinflammatory drugs, we validated WOMAC, a new multidimensional, self-administered health status instrument for patients with osteoarthritis of the hip or knee. The pain, stiffness and physical function subscales fulfil conventional criteria for face, content and construct validity, reliability, responsiveness and relative efficiency. WOMAC is a disease-specific purpose built high performance instrument for evaluative research in osteoarthritis clinical trials.
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            Nontraumatic necrosis of bone (osteonecrosis).

            H Mankin (1992)
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              High prevalence of osteonecrosis of the femoral head in HIV-infected adults.

              Osteonecrosis has been reported to occur occasionally among HIV-infected patients. The diagnosis of symptomatic osteonecrosis of the hip in two of the authors' patients, together with reports from community physicians, raised a concern that the prevalence of osteonecrosis is increasing. To determine the prevalence of osteonecrosis of the hip in asymptomatic HIV-infected patients and to identify potential risk factors associated with osteonecrosis. Survey and comparison study. The Clinical Center of the U.S. National Institutes of Health. 339 asymptomatic HIV-infected adults (of 364 asked to participate) and 118 age- and sex-matched HIV-negative volunteers enrolled between 1 June and 15 December 1999. Osteonecrosis of the hip, as documented by magnetic resonance imaging. Data from clinic records and a patient questionnaire administered before magnetic resonance imaging were used in an analysis of risk factors. A subset of patients was evaluated for hypercoagulable state. Fifteen (4.4% [95% CI, 2.5% to 7.2%]) of 339 HIV-infected participants had osteonecrosis lesions on magnetic resonance imaging, and no HIV-negative participants had similar lesions. Among HIV-infected participants, osteonecrosis occurred more frequently in those who used systemic corticosteroids, lipid-lowering agents, or testosterone; those who exercised routinely by bodybuilding; and those who had detectable levels of anticardiolipin antibodies. Patients infected with HIV have an unexpectedly high occurrence of osteonecrosis of the hip. Although screening asymptomatic patients is not warranted, HIV-infected patients with persistent groin or hip pain should be evaluated for this debilitating complication.
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                Author and article information

                Journal
                rbort
                Revista Brasileira de Ortopedia
                Rev. bras. ortop.
                Sociedade Brasileira de Ortopedia e Traumatologia (São Paulo, SP, Brazil )
                0102-3616
                1982-4378
                October 2012
                : 47
                : 5
                : 626-630
                Affiliations
                [01] São Paulo orgnameFMUSP orgdiv1HC orgdiv2Instituto de Ortopedia e Traumatologia Brasil
                [02] São Paulo orgnameInstituto de Infectologia Emílio Ribas Brasil
                [03] São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Departamento de Ortopedia e Traumatologia Brasil
                Article
                S0102-36162012000500014 S0102-3616(12)04700500014
                07085402-d9bf-43d3-bc64-c95c59ea262c

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 13 July 2011
                : 21 December 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 23, Pages: 5
                Product

                SciELO Brazil

                Categories
                Artigos Originais

                Arthroplasty,Femur Head Necrosis,HIV,Dislipidemias,Artroplastia,Necrose da Cabeça do Fêmur,Dyslipidemias

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