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Constrictive Pericarditis, Fibrothorax, and Iatrogenic Left Atrial Cannulation by Chest Tube

Constrictive Pericarditis, Fibrothorax, and Iatrogenic Left Atrial Cannulation by Chest Tube▶ Watch on YouTube — age-restricted, cannot embed here

Imaging findings

Chest CT reveals a densely calcified right pleural space (chronic fibrothorax), a constricted pericardium with biatrial enlargement, and a dilated inferior vena cava consistent with constrictive pericarditis. A chest tube, placed at an outside facility to drain a chronic pleural collection, is seen traversing the right lung parenchymal space, entering the right inferior pulmonary vein, and terminating directly within the left atrium.

Key takeaways

Attempting to drain a chronic, calcified fibrothorax using blind chest tube placement carries a severe risk of visceral injury and vascular misadventure. The path of least resistance through dense, consolidated, or scarred lung tissue can lead a chest tube directly into a pulmonary vein and the left atrium, presenting a life-threatening hemorrhage risk upon chest tube manipulation. Surgical correction on cardiopulmonary bypass is required to repair the venous and atrial defect, which can be performed concurrently with pericardiectomy if constrictive pericarditis is present.

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