ArticleCardiology research2023
Left Anterior Descending Artery Dissection in a Female Patient With History of Chest Radiation Treatment and Separate Ostia of the Left Coronary Arteries.
Article in Cardiology research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Obstructive and flow limiting coronary artery dissections can be a catastrophic clinical scenario, requiring urgent treatment and tailored approach for each case. A 55-year-old female patient, with a history of breast cancer, chest radiation treatments and hypertension presented with episodes of angina and significant area of reversible ischemia on single-photon emission computerized tomography (SPECT). Coronary angiogram revealed separate ostia of the left coronary arteries and three-vessel disease (SYNTAX (Synergy between percutaneous coronary intervention (PCI) with Taxus and Cardiac Surgery) = 15); subsequent full revascularization was achieved successfully with two drug-eluting stents (DES) (mid left anterior descending artery (LAD), left circumflex coronary artery (LCx)) and one drug-coated balloon (posterior descending artery (PDA)). However, after a few hours the patient underwent an urgent second angiography due to ongoing chest pain and electrocardiogram (ECG) changes. Proximal complete occlusion of the anomalous LAD was displayed and a long dissection attributable to an intimal tear following first stent implantation was recorded (well expanded and apposed stent (proximal stent edges were implanted in an unhealthy vessel area infiltrated with fibrotic and calcified plaque) not detectable by conventional angiography). A second 3.5 × 38 mm DES was implanted optimally in the proximal LAD segment and overlapped with the first one, with immediate restoration of the flow and relief of the patient's symptoms. The patient was discharged symptom free and with recommendation for optimal medical treatment for secondary coronary artery disease (CAD) prevention. Conventional coronary angiography in patients with history of chest radiation treatment might not detect accurately the extent and characteristics of the underlying CAD. Appropriate use of intravascular imaging in these cases secures a safe approach for ambiguous lesions and facilitates treatment of iatrogenic coronary dissections following PCI.
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