European heart journal. Case reports · 2021
Left circumflex artery injury following surgical mitral valve replacement: a case report.
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Gaba Prakriti, Kaneko Tsuyoshi, Kochar Ajar, Sung Jonathan, O'Gara Patrick T, Bhatt Deepak L
Аннотация
BACKGROUND: Mitral valve (MV) repair or replacement surgery is indicated for a variety of conditions. Although uncommon, damage to the left circumflex (LCx) coronary artery, which courses in close proximity to the MV annulus, is a devastating complication.
CASE SUMMARY: This report describes the case of a 63-year-old woman following re-operative MV replacement. Shortly after being transferred to the surgical intensive care unit after MV replacement, her EKG was notable for persistent inferolateral ST-segment elevations and reciprocal ST-segment depressions. Emergency transthoracic echocardiogram revealed a reduced left ventricular ejection fraction of 35-40% and mid to distal lateral wall motion hypokinesis. She was emergently taken to the cardiac catheterization laboratory where coronary angiography demonstrated complete occlusion of her mid LCx artery. She underwent urgent percutaneous coronary intervention of the lesion and was started on dual antiplatelet treatment, anticoagulation for comorbid atrial fibrillation, as well as guideline directed medical therapy with improvement in her EKG changes and cardiac function.
CONCLUSION: Prompt diagnosis and recognition of LCx injury is crucial. Management involves immediate percutaneous recanalization or surgical coronary bypass grafting.
CASE SUMMARY: This report describes the case of a 63-year-old woman following re-operative MV replacement. Shortly after being transferred to the surgical intensive care unit after MV replacement, her EKG was notable for persistent inferolateral ST-segment elevations and reciprocal ST-segment depressions. Emergency transthoracic echocardiogram revealed a reduced left ventricular ejection fraction of 35-40% and mid to distal lateral wall motion hypokinesis. She was emergently taken to the cardiac catheterization laboratory where coronary angiography demonstrated complete occlusion of her mid LCx artery. She underwent urgent percutaneous coronary intervention of the lesion and was started on dual antiplatelet treatment, anticoagulation for comorbid atrial fibrillation, as well as guideline directed medical therapy with improvement in her EKG changes and cardiac function.
CONCLUSION: Prompt diagnosis and recognition of LCx injury is crucial. Management involves immediate percutaneous recanalization or surgical coronary bypass grafting.