Use of Direct Oral Anticoagulants in the Treatment of Left Ventricular Thrombus: Systematic Review of Current Literature. 2020

Marvin Kajy, and Mohamed Shokr, and Preeti Ramappa
Departments of Internal Medicine, and.

BACKGROUND Left ventricular thrombus (LVT) is an important complication in the setting of systolic dysfunction, particularly after acute myocardial infarction. Current guidelines recommend the vitamin-K antagonist, warfarin, for the treatment of LVT. The direct oral anticoagulants (DOACs) are being increasingly used for the management of this entity, despite lack of randomized trials in support of it or knowledge about their efficacy. We aimed to assess the frequency of use and the efficacy of DOACs in the treatment of LVT. METHODS We searched published articles in Google Scholar, PubMed, MEDLINE, and Embase from the introduction of DOACs in any therapy until April 2018. Reports describing patients diagnosed with LVT and who were treated with a DOAC were examined. Patient characteristics, comorbidities, pharmacologic treatments, and outcomes were collected. The primary end points of this study were thrombus resolution and time to resolution. Other end points were bleeding and thromboembolic events. RESULTS Thirty articles describing 41 patients were analyzed. The most common risk factors for LVT formation were male gender, ischemic heart disease, and low ejection fraction. Most patients were treated with rivaroxaban (51.2%), followed by apixaban (26.8%) and dabigatran (22%). Patients were treated with DOAC alone (46.3%), DOAC and aspirin (12.2%), DOAC and clopidogrel (2.4%), and triple therapy (39%). Thrombus resolution success rate was 81%, 100%, and 88.9% for rivaroxaban, apixaban, and dabigatran, respectively. The median time of thrombus resolution was 40 days, 36 days, and 24 days for rivaroxaban, apixaban, and dabigatran, respectively. One nonfatal bleeding event and one stroke event were reported while on a DOAC. CONCLUSIONS The use of DOACs is a reasonable alternative to vitamin-K antagonists in the management of LVT.

UI MeSH Term Description Entries
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D011728 Pyridones Pyridine derivatives with one or more keto groups on the ring. Pyridinones
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D006331 Heart Diseases Pathological conditions involving the HEART including its structural and functional abnormalities. Cardiac Disorders,Heart Disorders,Cardiac Diseases,Cardiac Disease,Cardiac Disorder,Heart Disease,Heart Disorder
D006352 Heart Ventricles The lower right and left chambers of the heart. The right ventricle pumps venous BLOOD into the LUNGS and the left ventricle pumps oxygenated blood into the systemic arterial circulation. Cardiac Ventricle,Cardiac Ventricles,Heart Ventricle,Left Ventricle,Right Ventricle,Left Ventricles,Right Ventricles,Ventricle, Cardiac,Ventricle, Heart,Ventricle, Left,Ventricle, Right,Ventricles, Cardiac,Ventricles, Heart,Ventricles, Left,Ventricles, Right
D006470 Hemorrhage Bleeding or escape of blood from a vessel. Bleeding,Hemorrhages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000069552 Rivaroxaban A morpholine and thiophene derivative that functions as a FACTOR XA INHIBITOR and is used in the treatment and prevention of DEEP-VEIN THROMBOSIS and PULMONARY EMBOLISM. It is also used for the prevention of STROKE and systemic embolization in patients with non-valvular ATRIAL FIBRILLATION, and for the prevention of atherothrombotic events in patients after an ACUTE CORONARY SYNDROME. 5-chloro-N-(((5S)-2-oxo-3-(4-(3-oxomorpholin-4-yl)phenyl)-1,3-oxazolidin-5-yl)methyl)thiophene-2-carboxamide,BAY 59-7939,Xarelto,BAY 59 7939,BAY 597939
D000069604 Dabigatran A THROMBIN inhibitor which acts by binding and blocking thrombogenic activity and the prevention of thrombus formation. It is used to reduce the risk of stroke and systemic EMBOLISM in patients with nonvalvular atrial fibrillation. BIBR 1048,Dabigatran Etexilate,Dabigatran Etexilate Mesylate,N-((2-(((4-(aminoiminomethyl)phenyl)amino)methyl)-1-methyl-1H-benzimidazol-5-yl)carbonyl)-N-2-pyridinyl-beta-alanine,Pradaxa,Etexilate Mesylate, Dabigatran,Etexilate, Dabigatran,Mesylate, Dabigatran Etexilate

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