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  • Title: [Total permanent auricular paralysis. Review of the literature apropos of 109 cases].
    Author: Bensaid J, Vallat JM, Amsallem D, Bernard Y, Rauscher M, Borsotti JP.
    Journal: Ann Cardiol Angeiol (Paris); 1995 Mar; 44(3):139-45. PubMed ID: 7793852.
    Abstract:
    Analysis of 109 well documented cases of permanent total atrial paralysis reported in the literature illustrated the features of this arrhythmia which is a well defined entity consisting of suppression of all electrical and mechanical activity of both atria lasting for more than 6 months. Standard electrocardiogram reveals junctional bradycardia of about 40 bpm without any visible P waves and narrow supraventricular QRS complexes in 80% of cases. This diagnosis can only be confirmed by meticulous bipolar endocavitary recordings exploring all atrial walls without recording an auriculogram and by right intra-atrial and coronary sinus stimulation which proves to be ineffective. This disease has a male predominance in two-thirds of cases and a familial nature in 18% of cases. Seventy one per cent of affected subjects are under the age of 50 years. In 33% of cases, it is associated with Emery-Dreifuss muscular dystrophy, in which it constitutes a specific sign allowing this dystrophy to be differentiated from all other forms, especially facio-scapulo-humeral myopathy, and in 30% of cases, it is associated with a degenerative disease such as diabetes, amyloidosis or primary cardiomyopathy. Idiopathic dilatation of the right atrium is revealed in 15% of cases. The arrhythmia is responsible for syncope or faintness in 31% of cases, cerebral vascular accidents in 21% of cases and heart failure in 35% of cases. Cardiac activation is dependent on a junctional escape rhythm. The mechanism of the lesion responsible is atrial fibrosis which may extend to the sinoatrial node. The treatment of choice consists of implantation of a VVI or VVIR mode cardiac pacemaker in combination with anticoagulant therapy.
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