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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: [Long-duration electrocardiographic recording in 33 patients with obstructive cardiomyopathy].
    Author: Baille N, Aliot E, Perrot B, Ethévenot G, Neimann JL, Godenir JP, Gilgenkrantz JM, Faivre G.
    Journal: Arch Mal Coeur Vaiss; 1984 Jul; 77(7):730-7. PubMed ID: 6433835.
    Abstract:
    A prospective study of arrhythmias was performed in 33 patients with hypertrophic cardiomyopathy with obstruction by Holter monitoring. The aim of the study was to assess the incidence of "occult" arrhythmias in this condition and to establish a "profile" of high risk patients from clinical, echocardiographic and haemodynamic data. The Holter monitoring demonstrated asymptomatic arrhythmias in 31 of the 33 patients (94%). A supraventricular arrhythmia was detected in 15 cases (45%), including 7 episodes of supraventricular tachycardia (21%). Ventricular arrhythmias were observed in 28 patients (85%), including 5 episodes of ventricular tachycardia (15%). Some patients presented several types of arrhythmia. A number of patients with arrhythmia including short bursts of ventricular tachycardia were asymptomatic during Holter monitoring; conversely, other patients complained of dizziness or syncope but had no arrhythmias. A retrospective study of clinical, echocardiographic and haemodynamic data showed no difference between patients with and patients without arrhythmias. Medium-dose betablocker therapy (propranolol, 110 mg/day) did not seem to protect patients with hypertrophic cardiomyopathy with obstruction from arrhythmias. We conclude that Holter monitoring should form part of the routine evaluation of patients with cardiomyopathy with obstruction, and that potentially dangerous arrhythmias should be treated by anti-arrhythmic agents other than betablockers. This attitude could reduce the incidence of syncope and eventually decrease the risk of sudden death in this condition.
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