Abstract
A 66-year-old man was admitted for mitral valve replacement required by a mitral regurgitation resulting in a severe heart failure. He also suffered from chronic respiratory failure, related to a left concavity cyphoscoliosis. Postoperatively, hypoxemia occurred. His chest X-ray showed a left pleural effusion indicating a percutaneous pleural drainage. A local anaesthesia with a 21 G needle was performed prior to drain insertion, which was easily introduced into the pleural cavity. A few minutes later, the patient experienced an acute haemorrhagic shock. He was immediately transferred into the operating room, where the cardiac surgeon discovered and treated a coronary artery effraction. The vascular lesion was attributed to the needle used for local anaesthesia. The patient was discharged twelve days later without sequelae. Two factors were responsible for this accident : the patient's cyphoscoliosis and his left ventricle enlargement. This complication is uncommon. However, in case of a particular patient's anatomy, it is suggested to use a score devised to anticipate the risk of a difficult pleural drainage. This score should include general, thoracic, spinal, cardiac, hepatic and splenic morphology.
Published Version
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