Rationale of Anticoagulation Prolongation versus No Anticoagulation after Primary Percutaneous Coronary Intervention for ST-Segment Elevation Myocardial Infarction | ||||
| The Egyptian Journal of Hospital Medicine | ||||
| Article 175, Volume 94, Issue 1, January 2024, Page 1191-1198 PDF (391.81 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejhm.2024.347520 | ||||
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| Abstract | ||||
| Background:ST-elevation myocardial infarction (STEMI) results from the occlusion of coronary arteries, with plaque rupture being a common cause. Anticoagulant therapy is crucial during primary percutaneous coronary intervention (PPCI) for STEMI, yet the efficacy and safety of postprocedure anticoagulation (PPAC) remain debated due to limited data and unclear guidelines. Objective: This study aimed to evaluate the rationale of anticoagulation prolongation versus no anticoagulation after pPCI for STEMI. Subjects and Methods: This randomized controlled clinical study was performed at the Cardiology Department of the Nasser Institute for Research and Treatment. Ninety-seven STEMI patients undergoing PPCI were randomly assigned to two groups: 49 patients received no subcutaneous low molecular weight heparin (LMWH) after PPCI (Group 1), and 48 patients received subcutaneous LMWH (Group 2). The parameters assessed included demographic data, clinical examination findings, laboratory investigations, ECG, echocardiography, and PCI findings. Results: This study found no significant differences in baseline characteristics, vital signs, clinical examination outcomes, and most procedural characteristics between the groups. However, a significant difference was observed in the occurrence of left ventricular (LV) thrombus, with 8.2% of group 1 exhibiting LV thrombus compared to none in group 2 (P = 0.043). There were no significant differences in follow-up outcomes, including acute heart failure, bleeding, hemodynamically unstable arrhythmia, ischemic thrombus, stroke, myocardial infarction, and death. Conclusions: Prolonged postprocedural anticoagulation after PPCI for STEMI significantly reduced in-hospital morbidity and the risk of LV thrombus without increasing bleeding risks. This suggests a superior efficacy of post-PPCI anticoagulation in mitigating ischemic events. | ||||
| Keywords | ||||
| Anticoagulation prolongation; Primary percutaneous coronary intervention; ST-segment elevation myocardial infarction | ||||
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