• Juraj Kunisek, Luka Zaputovic, Marta Zuvic Butorac, Leon Kunisek, Ksenija Lukin-Eskinja, Rade Karlavaris, and Irena Bruketa-Markic.
• Department of Cardiovascular Diseases, Health Centre Rijeka, Rijeka, Croatia. juraj_kunisek@net.hr
• Wien. Klin. Wochenschr. 2008 Jan 1; 120 (5-6): 171-7.

ObjectivesWe investigated the correlation between the type and degree of left ventricular hypertrophy and the prevalence of supraventricular arrhythmias in patients with hypertensive heart disease.MethodsThe study included 179 patients (79 men, 100 women, aged 43-80 years, median 68 years) with left ventricular hypertrophy. Patients were classified into three groups (concentric, eccentric and asymmetric types of hypertrophy) and into three subgroups (mild, moderate and severe hypertrophy). After discontinuation of all medication for 48 h, blood pressure was measured, electrocardiography and echocardiography performed and the prevalence of supraventricular arrhythmias assessed using Holter monitoring and bicycle ergometry. Antihypertensive drugs and duration of previous treatment were taken into consideration.ResultsAtrial fibrillation or paroxysmal supraventricular tachycardia were found in 43% of patients. The analysis showed no significant correlation between the prevalence of atrial fibrillation and/or paroxysmal supraventricular tachycardia and the degree (P = 0.607) and type of left ventricular hypertrophy (P = 0.455). However, the frequency of supraventricular premature beats was higher in the concentric and eccentric types than in the asymmetric type (P = 0.048) and increased with the degree of hypertrophy (significantly in men with the concentric type, P = 0.015).ConclusionConcentric and eccentric types of left ventricular hypertrophy have a greater impact on the frequency of atrial arrhythmias. In the concentric type the prevalence of supraventricular premature beats correlates with the degree of left ventricular hypertrophy. Patients with moderate and severe concentric and eccentric left ventricular hypertrophy should be always tested using Holter monitoring and bicycle ergometry and treated with the maximum tolerable doses of antihypertensives, particularly with angiotensin-converting enzyme inhibitors/angiotensin receptor blockers.

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