ventricular preexcitation
Conditions
Interventions
Group B of Preexcitation:None
Group A of Preexcitation:None
Sponsors
Fifth Affiliated Hospital, Sun Yat-Sen University
Eligibility
Sex/Gender
All
Age
No minimum to 80 Years
Inclusion criteria
Inclusion criteria: 1.The ECG diagnosis is ventricular preexcitation; 2.criteria include good quality ECG; 3.age less than 80 years and gender unrestricted;
Exclusion criteria
Exclusion criteria: 1.Clinical findings included first-degree, second-degree, or third-degree AV block; 2.cardiac pacemaker implantation; 3.post-radiofrequency ablation and cardioversion status; 4.use of antiarrhythmic medications; 5.ECG evidence of AV reentrant tachycardia; 6.in-hospital mortality;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Differences in P wave duration, QRS complex duration, heart rate, QTc interval, interventricular septal thickness, and left ventricular posterior wall thickness between type A and type B patients; | — |
Secondary
| Measure | Time frame |
|---|---|
| The correlations among P wave duration, QRS complex duration, heart rate, QTc interval, interventricular septal thickness, and left ventricular posterior wall thickness in patients with type A and B; | — |
Countries
China
Contacts
Public ContactZoey
Fifth Affiliated Hospital, Sun Yat-Sen University
Outcome results
None listed