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Diagnóstico radiológico da DPOC

2013 
O conhecimento da DPOC ganhou extrema relevância na sociedade moderna, visto que essa e a quarta causa de morte nos EUA, afetando 14 milhoes de pessoas. No Brasil, a DPOC e a quinta maior causa de internacao de adultos no sistema publico de saude, com cerca de 200.000 internacoes ao ano. Achados de imagem classicamente sao manifestacoes tardias na historia natural dessa doenca e nem sempre se associam a alteracoes funcionais. Porem, os avancos na area de TCAR tornaram-na o metodo de escolha para a quantificacao in vivo do enfisema, sendo mais sensivel que a espirometria para esse fim. Alem disso, os metodos de imagem sao capazes de auxiliar o diagnostico das principais complicacoes associadas a DPOC, sendo uma arma fundamental para o clinico no manejo desses pacientes.Devido a alta prevalencia e gravidade da doenca, o diagnostico precoce e a adequada avaliacao das complicacoes associadas sao fundamentais para o estabelecimento da terapeutica apropriada e consequente melhoria da qualidade de vida dospacientes (AU) Knowledge of COPD has become extremely relevant in modern society because COPD is the fourth leading cause of death in the United States, affecting 14 million people. In Brazil, COPD is the fifth leading cause of hospitalization of adults within thepublic health care system, accounting for approximately 200,000 hospitalizations per year.Imaging findings are classically observed late in the natural history of COPD and do not always correlate with functional changes. However, advances in HRCT techniques have made it more sensitive than is spirometry for quantifying emphysema and therefore the method of choice for that purpose. In addition, imaging studies can facilitate the diagnosis of majorcomplications associated with COPD, making them a fundamental tool for clinicians who are involved in the management of patients with COPD.Due to the high prevalence and severity of COPD, the early diagnosis and proper evaluation of associated complications are fundamental to establishing the appropriate therapy and consequently improving patient quality of life.(AU)
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