subclavian steal syndrome
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Author(s):  
Sunil Basukala ◽  
Bishnu Pathak ◽  
Sabina Rijal ◽  
Bibek Karki ◽  
Narayan Thapa

Subclavian Steal Syndrome (SSS) is a rare vascular syndrome caused due to proximal occlusion or stenosis of subclavian or innominate artery. It is usually asymptomatic but occasionally may present with vertebrobasilar insufficiency and/or upper limb ischemia. Atherosclerosis is the most common cause.


2021 ◽  
Vol 37 ◽  
Author(s):  
Nikolaos Kontopodis ◽  
Nikolaos Galanakis ◽  
Stavros Charalambous ◽  
Elias Kehagias ◽  
Dimitrios Tsetis ◽  
...  

2021 ◽  
Vol 2 (12) ◽  
Author(s):  
Keita Tominaga ◽  
Hidenori Endo ◽  
Shin-ichiro Sugiyama ◽  
Shin-ichiro Osawa ◽  
Kuniyasu Niizuma ◽  
...  

BACKGROUND Hemifacial spasm (HFS) is caused by neurovascular contact along the facial nerve’s root exit zone (REZ). The authors report a rare HFS case that was associated with ipsilateral subclavian steal syndrome (SSS). OBSERVATIONS A 42-year-old man with right-sided aortic arch presented with progressing left HFS, which was associated with ipsilateral SSS due to severe stenosis of the left brachiocephalic trunk. Magnetic resonance imaging showed contact between the left REZ and vertebral artery (VA), which had shifted to the left. The authors speculated that the severe stenosis at the left brachiocephalic trunk resulted in the left VA’s deviation, which was the underlying cause of the HFS. The authors performed percutaneous angioplasty (PTA) to dilate the left brachiocephalic trunk. Ischemic symptoms of the left arm improved after PTA, but the HFS remained unchanged. A computational fluid dynamics study showed that the high wall shear stress (WSS) around the site of neurovascular contact decreased after PTA. In contrast, pressure at the point of neurovascular contact increased after PTA. LESSONS SSS is rarely associated with HFS. Endovascular treatment for SSS reduced WSS of the neurovascular contact but increased theoretical pressure of the neurovascular contact. Physical release of the neurovascular contact is the best treatment option for HFS.


2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Mikolaj Walensi ◽  
Johannes Bernheim ◽  
Nikodemus Ulatowski ◽  
Michal Piotrowski ◽  
Konstantinos Karaindros ◽  
...  

Abstract Background The coronary subclavian steal syndrome (CSSS) is a rare complication after coronary arterial bypass graft operations (CABG) using the left or right internal mammary artery ((L/R)IMA). It results from a retrograde blood flow from the IMA into the subclavian artery (SA) due to a stenosis or occlusion of the SA proximal to the IMA origin. This “steal phenomenon” leads to a decreased blood flow in the IMA and may result in myocardial ischemia (MIS) and even myocardial infarction (MIN). Treatment options include interventional and surgical therapy. Case presentation We report the case of a 71-year old woman, who suffered from an acute non-ST elevation myocardial infarction (NSTEMI) 11 years after LIMA-CABG surgery and who was treated successfully with a carotid-subclavian bypass (CSB) after failed interventional therapy. Conclusion CSB may be regarded as a viable treatment option for patients suffering CSSS in the case of MIS and even an acute MIN/NSTEMI, especially in the case of missing or failed interventional therapy attempts. Specialists in cardiothoracic and vascular surgery should be aware of possible CSSS conditions and know about appropriate diagnostic and therapeutic options.


2021 ◽  
Vol 2 (8) ◽  
pp. e0138
Author(s):  
Dingdan Zheng ◽  
Jibao Wu ◽  
Qiuli Li ◽  
Haipeng Li ◽  
Xiaoxi Yao ◽  
...  

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