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CORONARY - Acute Coronary Syndromes (STEMI, NSTE-ACS) | |
Left Main Coronary Artery Thrombus Treated By Drug Eluting Stent. | |
Ahmed Adel Shaheen1 | |
Louran, Egypt1, | |
[Clinical Information]
- Patient initials or identifier number:
MRN
-Relevant clinical history and physical exam:
75y old male known to be diabetic(type2), hypertensive, Heavy smoker and dyslipidemic .Presented by typical chest pain associated with sweeting , and excessive vomiting for 3 hours. In emergency department , patient crushed and his blood pressure became unrecorded.He was promptly transferred to intensive care unit on maximum vasopressors dose. His blood pressure was still unrecorded ,however. Patient ,then has been intubated and kept on mechanical ventilation .
-Relevant test results prior to catheterization:
His electrocardiogram showed ST elevation in lead I ,AVL , V2-V6 with right bundle branch block and Bed side Echo showed sever anterior, anterolateral , apical and septal hypokinesis and Ejection fraction was 10-15% .His Troponin was positive but all other labs were normal .
- Relevant catheterization findings:
Coronary angiography through trans-femoral approach showed ; 100% left main thrombus occluded lesion .
LM2.mp4 |
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[Interventional Management]
- Procedural step:
In emergency department; patient arrested in ventricular fibrillation immediate cardiopulmonary resuscitation was started, thankfully, patient restored his circulation after 4 cycles .Intensive care unit activated cathlab around 3.00 am . In cathlab :Xtra backup 3.5 mm Guiding catheter was engaged into left main coronary artery ,then workhorse 0.0014 wire was secured distally in to ramus intermedius artery. Pre dilatation using 2.00 /15 mm compliant balloon and inflated at 10 atm and Then wiring both left anterior descending artery and left circumflex artery using two 0.0014 workhorse wires was done .Drug eluting stent 3.00/ 28 mm was deployed from the left main ostium down t to proximal left anterior descending artery at 16 atm , Finally Proximal optimisation using 3.5 / 15 mm noncompliant balloon was done at 20 atm with good final result .
LM8.mp4 LM10.mp4 LM18.mp4 - Case Summary:
ST-elevation myocardial infarction (STEMI) involving the left main coronary artery (LMCA) has been associated with significant morbidity and mortality. Most studies are limited by small sample sizes.PCI of the ULMCA should be considered as a viable alternative to CABG for selected patients with MI, including those with ULMCA occlusion and less than Thrombolysis In Myocardial Infarction flow grade 3, cardiogenic shock, persistent ventricular arrhythmias, and significant comorbidities. The higher risk of target vessel revascularization associated with ULMCA PCI compared with CABG is acceptable given the primary need for rapid reperfusion to enhance survival. |