Enes Abdovic Cantonal Hospital Zenica, Zenica, Bosnia and Herzegovina - PowerPoint PPT Presentation

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Enes Abdovic Cantonal Hospital Zenica, Zenica, Bosnia and Herzegovina

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  1. Etiology distribution of patients with atrial fibrilation by echocardiography: results from a prospective study in 3755 adults Enes Abdovic Cantonal Hospital Zenica, Zenica, Bosnia and Herzegovina

  2. Purpose Purpose • Atrial fibrillation (AF) is the most prevalent sustained cardiac arrhythmia 1 • It is a disease of the elderly and it is common in patients with structural heart disease1 • Hypertension (HA), diabetes mellitus, myocardial infarction,heart failure (with impaired or preserved left ventricular systolic function), and valvular heart disease are recognized predisposing factors to AF2,3,4 • Objectives: To evaluate predisposing factors for development of AF in our hospital settings 1Go AS, et al. JAMA 2001;285:2370–75. 2Aidietis A, et al. Curr Pharm Des 2007;13:2545–55. 3Grigioni F, et al. J Am Coll Cardiol 2002;40:84–92. 4Olsson LG, et al. J Am Coll Cardiol 2006;47:1997–2004.

  3. Methods Methods • From June 2000 to February 2013, 3755 consecutive patients with AF were studied during echocardiographic check-up • According to transthoracic echo, patients were divided in groups based on dominative underlying heart diseases • Electrocardiographically documented AF was subdivided in two groups: transitory and chronic • Transitory AF fulfilled criteria for paroxysmal or persistent AF1 • Chronic AF were cases of long-standing persistent or permanent AF1 • Binary logistic regression was used to investigate relationship of gender, age, hypertension, diabetes and underlying heart diseases with the type of AF Camm AJ, et al. Eur Heart J 2010;31:2369–2429.

  4. Results • The median age was 72 years, age range between 16 and 96 years • There were 51.4% of females. • Chronic AF was observed in 68.3% pts. • Lone AF was diagnosed in only 25 patients, mostly in younger males (median age 48 years, range 29–59, men 80%)

  5. Etiological distribution AF by echocardiography (3755 pts) HHD=hypertensive heart disease; DCM=dilated cardiomyopathy; CAD=coronary artery disease; VHD=valvular heart disease; Lone=lone AF; HF=heart failure; AF=atrial fibrillation.

  6. Comorbidities associated with AF No=number; pts=patients; AF=atrial fibrillation; BMI=body mass index; HHD=hypertensive heart disease; DCM=dilated cardiomyopathy; CAD=coronary artery disease; VHD=valvular heart disease; Lone=lone AF.

  7. Comorbidities associated with AF No=number; pts=patients; AF=atrial fibrillation; BMI=body mass index; HHD=hypertensive heart disease; DCM=dilated cardiomyopathy; CAD=coronary artery disease; VHD=valvular heart disease; Lone=lone AF.

  8. AF and HA pts (2854=76%) HHD=hypertensive heart disease; DCM=dilated cardiomyopathy; CAD=coronary artery disease; VHD=valvular heart disease; Lone=lone AF; HF=heart failure; AF=atrial fibrillation.

  9. AF and HF pts (1832=49%) HHD=hypertensive heart disease; DCM=dilated cardiomyopathy; CAD=coronary artery disease; VHD=valvular heart disease; Lone=lone AF; HF=heart failure; AF=atrial fibrillation.

  10. Characteristics of patients with chronic vs. transitory AF No=number; pts=patients; AF=atrial fibrillation; SD=standard deviation, yrs=years, BMI=body mass index; LBBB=left bundle branch block; TIA=transitory ischemic attack.

  11. Results (2) Results (2) • Hypertensive heart disease (HHD) was the most common underlying heart disease (40.2%) followed by dilated cardiomyopathy (DCM), 24.9%, coronary artery disease (CAD), 13.9% and valvular heart disease (VHD), 11.1%. • Thyroid gland disease was found in 240:6.3% of patients of which 52.9% was hypothyroidism (127 vs 113)

  12. Results (2) Results (3) • Hypertension, diabetes and thyroid gland disease were found in 75.4%, 18.8% and 6.3% patients, respectively, mostly in females: • (HA: 1556pts/2832=55.0%) • (DM: 453pts/706=64.2%) • (Thy.gl.disease: 193pts/240=80.4%)

  13. Risk of chronic atrial fibrillation (binary logistic regression model) HHD, hypertensive heart disease; DCM, dilated cardiomyopathy; CHD, coronary artery disease; VHD, valvular heart disease; Lone, lone atrial fibrillation; BMI, body mass index; HA, hypertension; DM, diabetes mellitus; TH, diseases of thyroid gland; IVB, intraventricular block.

  14. Pts with/without Paroxismal AFAged ≥65yrs and/or with LAE ≥ 25 and/or with IAB

  15. CHA2DS2-VASc score ≥2 = 86.5%

  16. Conclusion Conclusion • Hypertension was by far the most prevalent associated medical condition in patients with AF • AF without underlying heart disease was present in only 0.7%, mostly in younger patients, males, with transitory AF • Almost 1/2 of pts with AF had HF and 59.2% had diastolic HF. • Chronic AF was predominant in groups with advanced cardiac remodeling such as DCM and VHD, mostly in elderly

  17. Conclusion Take Home Message • Optimal treatement of HA as well as DM • to prevent CAD and HF and • to eliminate or at least postpone AF, the most common sustained cardiac arrhythmia