title: [Ventricular pre-excitation in Wolff Parkinson White syndrome in the aged].
abstract: OBJECTIVE
  To evaluate any differences in ventricular pre-excitation secondary to Wolff Parkinson White syndrome in the aged compared to young and adult patients.
  
  
  METHODS
  
  
  
  METHODS
  a clinical study was performed using a comparative prospective criterion with retrospective analysis. The duration of follow-up ranged between one and ten years.
  
  
  METHODS
  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.
  
  
  METHODS
  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.
  
  
  METHODS
  some young patients with Wolff Parkinson White syndrome who were symptomatic for tachycardia underwent ablative surgery with radiofrequency of the bundle.
  
  
  METHODS
  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.
authors: Istituto di Clinica Medica Generate e Terapia Medica, Università degli Studi, Trieste.
authors: L R
authors: LR
authors: Tamburrini
authors: A
authors: A
authors: Fontanelli
authors: E
authors: E
authors: Bizzarini
authors: F
authors: F
authors: Faggioli
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011226:Pre-Excitation Syndromes / Q000209:etiology*; D018754:Ventricular Dysfunction / Q000209:etiology; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications* / Q000175:diagnosis