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  • Title: [Ventricular pre-excitation in Wolff Parkinson White syndrome in the aged].
    Author: Tamburrini LR, Fontanelli A, Bizzarini E, Faggioli F.
    Journal: Minerva Cardioangiol; 1998 Dec; 46(12):493-506. PubMed ID: 10209940.
    Abstract:
    AIM: To evaluate any differences in ventricular pre-excitation secondary to Wolff Parkinson White syndrome in the aged compared to young and adult patients. EXPERIMENTAL DESIGN: a clinical study was performed using a comparative prospective criterion with retrospective analysis. The duration of follow-up ranged between one and ten years. SETTING: the series was collected from the Cardiology Clinic of the Health District and the Cardiology Division of Gorizia, both forming part of no. 2 Isontina Health Service. PATIENTS OR PARTICIPANTS: the series included 17 patients suffering from Wolff Parkinson White syndrome who were divided into two study groups: 9 elderly patients and 8 young patients. The latter were subdivided into a first subgroup of 4 cases with Wolff Parkinson White syndrome with ECG positive for the presence of delta waves, and a second subgroup also with Wolff Parkinson White syndrome secondary to bundle. INTERVENTIONS: some young patients with Wolff Parkinson White syndrome who were symptomatic for tachycardia underwent ablative surgery with radiofrequency of the bundle. PARAMETERS: all patients underwent cardiological screening focused in particular on surface electrocardiogram. Those cases with Wolff-Parkinson White syndrome with occult bundle underwent transesophageal electrostimulation to find the conduction threshold of the anomalous bundle. RESULTS: Adult-elderly patients: six subjects were diagnosed with antero-septal and left ventricular Kent's bundle (type B common) and 3 cases with Mahaim-Wiston bundle (type A rare). Surface ECG revealed the presence of left ventricular hypertrophy in 6 cases, left anterior hemiblock and total block of the left branch in 3 cases, as well as myocardial pseudonecrosis correlated to Wolff Parkinson White syndrome. Young patients: four out of this group were affected by Kent's bundle with type B Wolff Parkinson White syndrome and the same number suffered from the same syndrome caused by occult bundle. Patients in the first subgroup showed an antero-septal, transitional and left ventricular orientation of Kent's bundle, with the onset of 2 cases of orthodromic and antidromic reciprocal rhythm respectively and 1 case of atrial fibrillation. The refractory nature of the anomalous pathway was not very high in 2 cases, equal to 60 milliseconds and 240 milliseconds with the proposed ablation of the anomalous bundle.
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