Hyperdominant left anterior descending artery (LAD) is a rare coronary anomaly in which posterior descending artery arises from LAD instead of left circumflex or right coronary artery. Here we present a case of hyperdominant LAD presenting as acute myocardial infarction.
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http://dx.doi.org/10.1016/j.ihj.2016.02.021 | DOI Listing |
Cureus
December 2024
Department of Cardiovascular Medicine, University of Texas Health Science Center at Houston, Houston, USA.
We present a case of a 52-year-old male with no known past medical history who presented to an outside hospital with acute chest pain. Initial workup revealed anteroseptal ST-elevation myocardial infarction (STEMI) for which the patient was transferred to our facility for emergent percutaneous coronary intervention (PCI). However, the patient's hospital course revealed numerous confounding pathologies that can also present as STEMI, including transthoracic echocardiogram (TTE) abnormalities consistent with takotsubo cardiomyopathy (TCM) as well as myocardial bridging presenting as post-PCI STEMI in the setting of nitroglycerin use.
View Article and Find Full Text PDFInterv Cardiol
November 2024
Cardiology Section, Internal Medicine Department, Arab Medical Center Amman, Jordan.
Coronary artery ectasia (CAE) is an abnormal dilatation of coronary artery segments, often linked with atherosclerosis. This report discusses two cases of CAE presenting as acute coronary syndrome. A 36-year-old man had proximal blockage in the left circumflex artery (LCx) and ectasia in the obtuse marginal artery and left anterior descending artery (LAD), while a 53-year-old male smoker had an ectatic LAD with a substantial thrombus.
View Article and Find Full Text PDFFront Immunol
December 2024
Department of Rheumatology and Clinical Immunology, Clinic of Internal Medicine III, University Hospital Bonn, Bonn, Germany.
Objectives: This study aimed to evaluate the diagnostic utility of [Ga]Ga-DOTA-Siglec-9 positron emission tomography-computed tomography (PET/CT) in assessing disease activity in a patient experiencing a relapse of giant cell arteritis (GCA).
Case Presentation: A 90-year-old male patient with GCA, diagnosed in 2018, was enrolled. Demographic data, disease history, and laboratory parameters, including soluble VAP-1 (sVAP-1) levels, were recorded.
J Cardiothorac Surg
January 2025
Department of Heart Surgery, East Slovak Institute for Cardiovascular Diseases, Ondavská 8, Košice, 040 12, Slovakia.
Background: The left internal thoracic artery (LITA) has been widely accepted as the standard for revascularizing the left anterior descending artery during coronary artery bypass grafting (CABG) surgery. However, in 10-20% of cases, the LITA may lead to unsecured side branches to the chest wall, particularly the lateral costal artery (LCA), potentially resulting in postoperative chest angina.
Case Presentation: We report the case of a 58-year-old patient who experienced persistent angina eight months after having undergone coronary artery bypass grafting (CABG) due to the steal phenomenon caused by a thick lateral costal artery (LCA).
Gen Thorac Cardiovasc Surg Cases
January 2025
Department of Thoracic and Cardiovascular Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8509, Japan.
Patients with coronary artery disease undergoing trans-catheter aortic valve implantation (TAVI) often receive TAVI alone. However, in cases of severe coronary lesions or anticipated difficulty in coronary access post-TAVI, percutaneous coronary intervention or coronary artery bypass grafting may be necessary. We performed simultaneous gastroepiploic artery to posterior descending artery bypass and TAVI in two patients with severe calcification of the right coronary artery ostium which is unsuitable for percutaneous intervention.
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