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Published on: May 28, 2019
[Rare cause of pectangina after coronary artery surgery]
C Gessner1, A Güttler, S Hammerschmidt
1Abteilung Pneumologie der Medizinischen Klinik und Poliklinik I, Universitätsklinikum Leipzig, Germany. gesc@medizin.uni-leipzig.de
Insights
Coronary subclavian-steal syndrome is a rare complication after internal mammary artery bypass surgery. This case report highlights diagnosis and successful treatment of this condition causing angina pectoris.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Interventional Cardiology
Background:
- Coronary subclavian-steal syndrome is an uncommon complication following internal mammary artery bypass surgery.
- It can manifest as angina pectoris and other symptoms due to altered blood flow.
Observation:
- A 72-year-old male presented with vertigo and angina pectoris one year after coronary artery bypass surgery.
- Physical examination revealed a blood pressure difference between arms, and Doppler sonography showed retrograde vertebral artery flow.
Findings:
- Color Doppler sonography indicated coronary subclavian-steal syndrome.
- Angiography confirmed significant stenosis of the left subclavian artery.
Implications:
- Percutaneous transluminal angioplasty with stent implantation effectively treated the subclavian artery stenosis.
- This case underscores the importance of considering and diagnosing coronary subclavian-steal syndrome in relevant clinical scenarios.
Abstract:
The coronary subclavian-steal-syndrome is a rare cause for angina pectoris following A. mammaria interna bypass operation. A 72-year-old male patient presented with vertigo and angina pectoris. A three vessel coronary artery disease was known and coronary artery surgery with three aortocoronary bypasses had been performed a year prior to presentation. A difference in peripheral arterial pressure between the right (150/80 mmHg) and the left (125/75 mmHg) arm was noted at physical examination. Color Doppler sonography of the left vertebral arteria exhibited a retrograde flow suggesting a coronary subclavian-steal-syndrome. Angiography revealed a significant stenosis of the left arteria subclavia. The stenosis was successfully treated with percutaneous transluminal angioplasty and stent implantation.
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