Time of Occurrence and Duration of Atrial Fibrillation Following Coronary Artery Bypass Grafting
| Autor: | Merima Ibišević, Azra Avdic, Emir Mujanovic, Nedzad Kadric, Enes Osmanovic, Sevleta Avdic |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
Male
medicine.medical_specialty Time Factors Bypass grafting left ventricular diastolic dysfunction left atrial volume index macromolecular substances 030204 cardiovascular system & hematology Risk Assessment 03 medical and health sciences Ventricular Dysfunction Left 0302 clinical medicine Postoperative Complications Predictive Value of Tests Risk Factors Internal medicine Atrial Fibrillation medicine Humans 030212 general & internal medicine cardiovascular diseases Heart Atria Prospective Studies Coronary Artery Bypass Prospective cohort study Stroke Original Paper business.industry P wave Atrial fibrillation surgical revascularization General Medicine Middle Aged medicine.disease medicine.anatomical_structure Echocardiography Predictive value of tests cardiovascular system Cardiology Left ventricular diastolic dysfunction Female business Artery Dilatation Pathologic |
| Zdroj: | Medical Archives |
| ISSN: | 1986-5961 0350-199X |
| Popis: | Introduction: Dilatation of the left atrium and left ventricular diastolic dysfunction (DDLV) according to recent studies has significance in the occurrence of postoperative atrial fibrillation (AF), stroke and death. Authors of some studies found no relationship between these parameters and atrial fibrillation. Objective: this study is to determine the time of occurrence and duration of atrial fibrillation in patients after surgical revascularization (CABG) due to the presence of left ventricular diastolic dysfunction and left atrium dilatation and identify the most significant predictors of incident AF. Methods: Prospective study included 116 patients undergoing surgical myocardial revascularization followed from admission to discharge. The study was conducted at the Special Hospital “Heart Center BH” Tuzla for a period of one year (March 2011/2012 g.). For all patients was performed preoperative ultrasound examination, especially parameters of diastolic function of the left ventricle and left atrium volume index (LAVi), as the best parameter sized left atrium, and the postoperative occurrence of certain AF and day occurrence, duration in hours, the number of attacks. To assess whether an event occurred or not was used logistic regression, and the effect of time on the event of interest is analyzed by Cox ‘s regression hazard parallel. Results: 75.9 % of patients had DDLV, and 91.4 % were hypertensives, 12.9 % from the previous stroke (ICV) and 42.2 % diabetics (DM), 14 % with COPD. The average age of patients was 61.41 ± 4.69 years. In both groups was 32.8 % women and 67.2 % men. LAVi preoperative values were significantly higher as DDLV greater degree. In patients with DDLV and higher values LAVi risk of AF is higher, the greater the length of AF and significantly higher number of attacks FA. Early occurrence of atrial fibrillation and its longer duration in function with increasing LAVi a marked increase in the value LAVi have the greatest hazard for the early appearance of atrial fibrillation. As a result of analysis of the most significant predictors of AF are DDLV and LAVi. Conclusion: Postoperative atrial fibrillation occurs earlier and lasts longer in patients with DDLV and elevated left atrial volume index especially LAV > 36ml/m2. LAVi has the best explanation of the function of hazard occurrence of atrial fibrillation after CABG. |
| Databáze: | OpenAIRE |
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