Rare cause of acute ischemia of the right upper extremity: thrombosis of a retroesophageal
subclavian artery. Ann.
Aberrant right
subclavian artery: varied presentations and management options.
When a coarctation is proximal to the left
subclavian artery, systolic blood pressure is higher in the right arm than in the left arm [3].
The pathophysiology for this type of TOS is the depressed and posteriorly elevated proximal tip of the distal fragment, as well as the abundant callus formation at the site, which compresses the brachial plexus and
subclavian artery. In our case, the tumor was located at the midshaft of the clavicle and protruded in a posteroinferior direction, compressing the
subclavian artery and brachial plexus in a manner similar to that of clavicle fractures.
Consequently, a chest computed tomography with contrast was ordered, revealing a partially thrombosed Kommerell diverticulum in the aberrant right
subclavian artery (Fig.
Vertebral artery (VA) arises from the superolateral aspect of 1st part of the
subclavian artery and takes a vertical posterior course to enter the foramina transversaria of 6th cervical vertebrae.
The
subclavian artery should be adjacent and pleural sliding can also be seen deep to the
subclavian artery.
The procedure could not be completed in 28 patients mainly because of tortuosity or calcification of the
subclavian artery in 19 patients (14 in right radial approach and five in left radial approach group, p=0.015) and for reasons related to the radial artery in nine patients (four in right radial approach and 5 in left radial approach group, p=0.92).
Case Report: Here we report a case of aortic dissection that was initially misdiagnosed as inferior wall myocardial infarction although the initial symptoms were related to right
subclavian artery occlusion caused by a dissection flap.
Anatomically, the tip of the axillary IABP rests few centimeters distal to the aortic arch as it passes through the left
subclavian artery and into the descending aorta.
Laboratory tests revealed increased inflammatory markers (erythrocyte sedimentation rate, C-reactive protein) and epiaortic ultrasound showed a significant stenosis of the left
subclavian artery and right common carotid artery and a nonsignificant stenosis of abdominal aorta, renal artery, and mesenteric artery.
A left posterolateral approach was used and the aortic arch, descending aorta, left
subclavian artery, vagus nerve, recurrent laryngeal nerve, and PDA were all reported to be visualized clearly.