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Left ventricular (LV) remodelling types were investigated in regard to their link to cardiac arrhythmias in patients with Type 2 diabetes mellitus (DM-2) and arterial hypertension (AH) or essential AH (EAH). Hypertrophic LV remodelling types (concentric and eccentric hypertrophy) were more common in individuals with DM-2 and AH or EAH, predicting high-grade ventricular extrasystoles and supraventricular arrhythmias (including paroxysmal atrial fibrillation).

Aim. To identify the most important risk factors of recurrent atrial fibrillation (AF) and their prognostic value in patients with arterial hypertension (AH). Material and methods. In total, the study included 60 patients with Stage 1–3 AH (Grade I–III, cardiovascular risk 2–4): 20 with the first episode of AF (33%) and 40 with recurrent AF (67%). In all patients, sinus rhythm was restored with pharmacological or electric impulse therapy. At baseline and 6 months after restoring sinus rhythm, the assessment of medical history, antihypertensive and antiarrhythmic therapy, echocardiography, and Doppler ultrasound were performed. To identify silent cardiac arrhythmias and conductivity disorders, Holter electrocardiography monitoring was performed; coronary heart disease was verified with the bicycle stress test. Statistical analyses were performed using the Statistica 6.0 software. Results. The early recurrence of AF was associated with Stage 3 AH, AF in anamnesis, and left atrium dilatation. Conclusion. The combination of Stage 3 AH, AF in anamnesis, and left atrium dilatation was associated with a higher risk of recurrent AF, compared to each of these factors in isolation.

The term "cardiorenal syndrome" has been introduced to denote the mutual influences of the cardiovascular system and kidneys. According to the definition, the cardiorenal syndrome is a pathophysiological condition of the heart and kidney, in which acute or chronic dysfunction of one of these organs leads to that of the other. The community of pathogenetic components allows one to apply a comprehensive approach to diagnosing, treating, and preventing cardiovascular and renal diseases.