Compressão da artéria subclávia por pseudoartrose de clavÃcula: apresentação na quinta década de vida
Late presentation of critical upper limb ischemia caused by pseudarthrosis of the clavicle
Marcio Miyamotto, Lucas Vasconcelos Sanvido, Luan Facttore Brendolan, Amilton Cezar, Giana Caroline Strack Neves, Izara Castro de Souza, Ricardo César Rocha Moreira
Resumo
A compressão da artéria subclávia no desfiladeiro torácico é um fenômeno amplamente conhecido. Anormalidades ósseas, como a pseudoartrose da clavÃcula, podem raramente causar compressão arterial a esse nÃvel. A pseudoartrose pode desenvolver-se em decorrência de um trauma, que é a forma mais comum, ou ser congênita. Os autores descrevem o caso de uma paciente de 44 anos com quadro de isquemia crÃtica de membro superior direito. Apresentava história de fratura não tratada de clavÃcula direita aos 9 meses de idade que evoluiu com pseudoartrose e compressão extrÃnseca com oclusão da artéria subclávia. O segmento da clavicula acometido pela pseudoartrose foi ressecado e realizada uma tromboembolectomia tardia das artérias subclávia, braquial e distais, com boa evolução.
Palavras-chave
Abstract
Compression of the subclavian artery in the thoracic outlet is a well-known phenomenon. In rare cases, bone abnormalities, such as pseudarthrosis of the clavicle, can cause arterial compression at this level. Pseudarthrosis may develop as a result of trauma, which is the more common form, or it may be congenital. Here, the authors describe the case of a 44-year-old patient with critical ischemia of the right upper limb. She had a history of untreated right clavicle fracture at 9 months of age which had progressed to pseudarthrosis and extrinsic compression of the subclavian artery causing occlusion. The segment of the clavicle involved was resected and late thromboembolectomy of the subclavian, brachial, distal arteries was performed, with good results.
Keywords
References
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