Abstract
The purpose of this study was to demonstrate that the relationship of the left main bronchus to the bronchial arteries is a reliable radiographic landmark for accurate catheterization of the right and left bronchial arteries. Sixty-six bronchial angiograms and chest radiographs in 43 patients were reviewed. The relationship of the tip of the catheter during initial bronchial angiography (used as the point of bronchial arterial origin) and the radiolucent shadow of the left main bronchus in patients with and without radiographic evidence of anatomic distortion caused by pulmonary disease was categorized into three groups: within the shadow of the left main bronchus, near the left main bronchus, and far from the left main bronchus. The origin of the right and left bronchial arteries was within or near the shadow of the left main bronchus in 94% of bronchial angiograms performed in patients with and without distorted thoracic anatomy. The most frequent location was within the shadow of the left main bronchus. The left main bronchus can be used as a reliable reference point for catheterization of the right or left bronchial arteries in patients with and without thoracic anatomic distortion.
Published Version
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