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S Coglitore

Publications and source records attributed to S Coglitore.

At least 19 recordsLinked to original sources
PubMed2003

[Thrombo-embolic risk evaluation in patients with atrial fibrillation. Role of echocardiography].

Atrial fibrillation (AF) is the most common observed cardiac arrhythmia and is the most frequent condition associated with thromboembolic events in patients with or without mitral valve disease. The source of cardiac emboli is the left atrium, the left atrial appendage or, less frequently, the left ventricle. Emboli may also originate from aortic atherosclerotic plaques. It is important to identify patients at risk in order to perform the appropriate therapy. Risk stratification is multiparametric, being based on clinical, laboratory, and echocardiographic data. Several trials have pointed out the role of echocardiography in the evaluation of anatomic and functional parameters associated with thromboembolic risk. Transthoracic echocardiography (TTE) does not provide sufficient information regarding posterior cardiac structures, being its sensitivity in detecting thrombi relatively low (33-72%). Transesophageal echocardiography (TEE) in contrast, has an almost 100% sensitivity; this technique is, therefore, mandatory in patients with AF for an adequate prevention of thromboembolism. The echocardiographic information joined with clinical features allow to stratify, in a proper way, the risk of every single patient.

Atrial Fibrillation↗
PubMed2001

Cardiovascular autonomic control in Becker muscular dystrophy.

Although autonomic symptoms are not prominent in dystrophinopathies, a reduced vagal activity and an enhanced sympathetic tone have been found in Duchenne muscular dystrophy. Twenty patients with Becker muscular dystrophy (BMD) were investigated by a battery of six cardiovascular autonomic tests (beat-to-beat variability during quiet breathing and deep breathing, heart rate responses to Valsalva maneuver and standing, blood pressure responses to standing and sustained handgrip) and power spectral analysis (PSA) of heart rate variability. Although 11 patients revealed abnormal findings at some cardiovascular tests, none of them had a definite autonomic damage, as indicated by two or more abnormal tests. The mean results of the single tests did not differ from normal controls, except for the beat-to-beat variability during quiet breathing, which was significantly higher in BMD (p<0.05). Such finding was confirmed by a significantly higher total variance (p<0.05), indicating an increased parasympathetic activity. Spectral components were not significantly different from normal controls. PSA values were not influenced by age, functional ability score or presence of heart abnormalities. Our data suggest that autonomic involvement does not represent a major finding in BMD.

Adolescent↗
PubMed1999

[Reversal left diastolic ventriculo-atrial flow induced by asynchronism in a patient with dilated cardiopathy and VVI pacemaker].

We studied a case of reversal atrioventricular diastolic flow in a 74-year-old patient suffering from chronic heart failure for six years, following double myocardial infarction on the inferior (in 1985) and the anterior wall (in 1992). During his last hospitalization, he had an arrhythmic complication (advanced atrioventricular block) that required a definitive implantation of a VVI-pacemaker. The patient, a working man in good hemodynamic condition over the past several years, acknowledged symptoms of progressive functional decline three to six months prior to coming to our observation for a medical check-up. The surface electrocardiogram showed normal electrical PM activity. Echo-Doppler examination beyond the improved systolic function of left ventricle showed a variable E/A velocity ratio of mitral valve flow, due to the casual relationship between spontaneous atrial electrical activity and ventricular stimulation. In addition, at the surface ECG we frequently observed a retrograde atrioventricular flow during mean phase of diastole each time the P wave occurred at the end of T wave. This event did not occur when the T-P interval was longer (a few more milliseconds) and was thus similar to a normal atrioventricular ECG sequence. To summarize, we can affirm that in patients with dilated cardiomyopathy and improved systolic function requiring pacemaker implantation, the sequential mode of ventricular stimulation must be preferred, especially if there is normal electrical activity in the right atrium.

Aged↗
PubMed1990

Longitudinal dissociation within the reentry pathway of ventricular tachycardia.

Two cases of nonsustained, repetitive ventricular tachycardia are analyzed. In both, the episodes of tachycardia do not contain random numbers of beats, but the complexes in each phase of tachycardia are either always in even numbers (case 1) or always in odd numbers (case 2). This indicates longitudinal dissociation within the reentry circuit: i.e., there are two functionally separate pathways in some part of the reentry circuit, and the reciprocating impulse runs alternatively through the two pathways. Tachycardia ends due to block of the impulse always in the same pathway, thus, the number of beats in each episode of tachycardia is always either in odd or even numbers.

Aged↗
PubMed1982

Parasystolic ventricular tachycardia with variable exit block.

This case is an example of ventricular parasystolic tachycardia associated with variable expressions of ectopic-ventricular (E-V) exit block. The exit block manifested with 2:1, 3:2, 4:3 and higher ratios of E-V conductions, interspaced with periods of 1:1 conduction. Concealed E-V conduction of the ectopic impulse could also be deduced.

Aged↗