scholarly journals Rare Cause of Late Recurrent Angina following Coronary Artery Bypass Grafting: Iatrogenic Aortocoronary Arteriovenous Fistula Causing Coronary Steal

2018 ◽  
Vol 2018 ◽  
pp. 1-3
Author(s):  
Jayakumar Sreenivasan ◽  
Muhammad Ayub ◽  
Neha Yadav ◽  
Yasmeen Golzar

Iatrogenic aortocoronary arteriovenous fistula is a very rare complication of coronary artery bypass grafting in which one of the arterial grafts inadvertently forms a fistulous tract with a cardiac vein, shunting blood from the anastomosed coronary artery. We report a patient with an iatrogenic left internal mammary artery graft to cardiac vein fistula presenting with recurrent angina three years after a three-vessel coronary artery bypass grafting.

2019 ◽  
Vol 12 ◽  
pp. 117954761982871
Author(s):  
Akshyaya Pradhan ◽  
Vikas Gupta ◽  
Monika Bhandari ◽  
Pravesh Vishwakarma ◽  
Rishi Sethi

Long term outcomes following coronary artery bypass grafting are governed by patency of vascular grafts. In this regard, the use of arterial grafts, (preferably the left internal mammary artery) has demonstrated improved survival relative to their venous counterparts. These benefits are a consequence of greater patency of LIMA at 10 years vis-a-vis venous grafts. Uncommonly, there is a possibility of occlusion of LIMA early in the post operative period due to procedural reasons but late occlusion of LIMA is rare. We report an unusual case of late occlusion of LIMA after seven years of CABG.


Author(s):  
Bedrudin Banjanović ◽  
Jacob Bergsland ◽  
Emir Mujanović ◽  
Emir Kabil

Cardiac ischemia after coronary artery bypass grafting is often caused by graft occlusion. Short- and long-term graft patency is related to the quality of the surgical technique during harvesting and anastomosis. Transit time flow measurement is a recognized technique for the quality control of grafts but may not rule out structural abnormalities in the conduits, which can cause graft occlusion. This article reports on two cases of suspected intra-arterial dissection of the left internal mammary artery despite satisfactory flow measurements. Routine ultrasound scanning of arterial conduits is helpful in distinguishing dissection and hematoma in the graft conduits.


Author(s):  
Kimberly A. Maciolek ◽  
Dorothy J. Krienbring ◽  
Efstathios S. Naum ◽  
Susan E. Arnsdorf ◽  
Husam H. Balkhy

We present a case of combined coronary artery bypass grafting and mitral valve (MV) repair using a robotic totally endoscopic right-sided approach. A 61-year-old man presented with fatigue due to significant mitral regurgitation and was found to have a tight stenosis in the mid left anterior descending artery. Using the da Vinci robotic system, the patient underwent a left internal mammary artery graft to the left anterior descending artery using the C-Port Flex A distal anastomotic device followed by a MV repair. Both procedures were performed endoscopically via right chest ports and right femorofemoral bypass successfully. The patient was discharged from the hospital 3 days postoperatively and returned to normal activity within 3 weeks after surgery. This case study shows the feasibility of using an endoscopic robotic approach in selected patients undergoing combined MV coronary artery bypass grafting surgery.


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