Characteristics and Clinical Course of Patients with Acute Myocardial Infarction and ST-segment Elevation with and without Interatrial Block
<strong>Foundation:</strong> it is novel to establish the relationship between interatrial block and acute myocardial infarction with ST-segment elevation due to the few studies that address the subject. <br /><strong>Objective:</strong> to evaluate the characteristics...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | Spanish |
| Published: |
Universidad de las Ciencias Médicas de Cienfuegos
2023-08-01
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| Series: | Revista Finlay |
| Subjects: | |
| Online Access: | https://revfinlay.sld.cu/index.php/finlay/article/view/1272 |
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| Summary: | <strong>Foundation:</strong> it is novel to establish the relationship between interatrial block and acute myocardial infarction with ST-segment elevation due to the few studies that address the subject. <br /><strong>Objective:</strong> to evaluate the characteristics and clinical evolution of patients with ST-segment elevation acute myocardial infarction with and without interatrial block. <br /><strong>Methods:</strong> a descriptive and correlational study was carried out in progressive care units of the Dr. Gustavo Aldereguía Lima University General Hospital in Cienfuegos. 169 subjects with a diagnosis of ST-segment elevation myocardial infarction divided into two groups with and without interatrial block were selected. Demographic variables were analyzed: age, sex, skin color and between clinics: toxic habits; (smoker, ex-smoker); medical history (myocardial infarction, angina, peripheral arterial disease, arterial hypertension, type 2 diabetes mellitus, chronic kidney disease; infarct location (anterior, inferior, left bundle branch block); complications: heart failure, atrial fibrillation, ventricular tachycardia/ventricular fibrillation, atrioventricular conduction disorders, mechanical complication, post infarction angina, arterial embolism) and discharge status (alive or deceased). <br /><strong>Results:</strong> 52.17 % of patients with ST-segment elevation myocardial infarction with interatrial block developed heart failure, vs 29.45 % among patients without block with statistical significance (p = 0.03). The relationship between the occurrence or not of complications (as well as the state at discharge) and the presence or not of blockade was highly significant (p=0.01). <br /><strong>Conclusions:</strong> the detailed analysis, in this context, of the p wave of the electrocardiogram should be routine, since the documentation of interatrial block could be related to the clinical course of the patients. |
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| ISSN: | 2221-2434 |