Wolff-Parkinson-White syndrome epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Epidemiology and Demographics

  • The prevalence of WPW syndrome is approximately 1-3 per 1000 individuals worldwide.[1]
  • The Prevalence of WPW syndrome in the first relative of patients is approximately 5-6 per 1000 people.[1]
  • The incidence of tachyarrhythmia was estimated to be 1% per year in patients with WPW pattern.[2]
  • The prevalence of ventricular fibrillation and sudden cardiac death in asymptomatic WPW syndrome was estimated to be 0.1% individuals worldwild.[3]
  • The prevalence of ventricular fibrillation and sudden cardiac death in WPW syndrome with reciprocal tachycardia was estimated to be 1% individuals worldwild.[3]
  • The prevalence of ventricular fibrillation and sudden cardiac death WPW syndrome with rapid atrial fibrillation was estimated to be 5.6% individuals worldwild.[3]
  • WPW syndrome is more commonly observed among young patients. In one study WPW syndrome was observed in 7% individuals over 60-year-old.[4]
  • men are more commonly affected with [WPW syndrome] than women.
  • The men to women ratio is approximately 2 to 1.[5]
  • There is no racial predilection for WPW syndrome.











of asymptomatic patients with WPW in 1% in those with reciprocal tachycardias and in 5.6% of the patients with atrial fibrillation


In [year], the incidence of [disease name] was estimated to be [number or range] cases per 100,000 individuals in [location].

  • Age
   Patients of all age groups may develop [disease name].
   [Disease name] is more commonly observed among patients aged [age range] years old.
   

Gender

   [Disease name] affects men and women equally.
   [Gender 1] are more commonly affected with [disease name] than [gender 2].
   The [gender 1] to [Gender 2] ratio is approximately [number > 1] to 1.

Race

   There is no racial predilection for [disease name].
   [Disease name] usually affects individuals of the [race 1] race.
   [Race 2] individuals are less likely to develop [disease name].


The same happens in patients with atrial fibrillation, observed in 5% of the patients with WPW syndrome; this arrhythmia may provoke multiform ventricular tachycardia, ventricular fibrillation and sudden death. Sudden death occurs in 0.1% of asymptomatic patients with WPW in 1% in those with reciprocal tachycardias and in 5.6% of the patients with atrial fibrillation and R-R intervals of 250 mseg of less.







  • Estimated prevalence of WPW syndrome is 1 - 3 per 1000 people in the entire world.[1]
  • Prevalence increases in first degree relatives in which it can get as high as 5-6 per 1000 people.[1]
  • The incidence of tachyarrhythmias is not well established in patients who present WPW pattern. It has been reported that the incidence of tachyarrhytmias is approximately 1% per year in patients with WPW pattern.[2]
  • The incidence of sudden cardiac death in patients with Wolff-Parkinson-White pattern is not high. A serious of studies have been performed and found a that this events appear in a range of 0.7 tp 4.5 per 1000 patient-years.[1][7][8]
  • Incidence of WPW is higher in men than in women in a ratio of approximately 2:1. Also, atrial fibrillation and ventricular fibrillation are more common in men than in women with WPW.[9]
  • Incidence of Orthodromic AVRT is more common in women than in men.[10]
  • The presentation of symptoms in patients without heart structural abnormalities has been found to be age dependent.[1]
  • The frequency of Supraventricular tachycardias (SVT) usually decrease during the first year in more than 90% of the patients.[1]
  • In 30% of the patients, tachycardias recur during childhood at a mean age of 7 to 8 years of age.[1]
  • When patients with WPW present persistent symptomatic tachycardias over 5 years of age, they usually continue presenting SVT episodes for more than a decade later in 75% of the cases.[1]
  • The occurrence of atrial fibrillation in patients with WPW ha been estimated in between 10% to 30%.[11][12]
* There is no racial predilection for WPW syndrome.

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Pediatric and Congenital Electrophysiology Society (PACES). Heart Rhythm Society (HRS). American College of Cardiology Foundation (ACCF). American Heart Association (AHA). American Academy of Pediatrics (AAP). Canadian Heart Rhythm Society (CHRS); et al. (2012). "PACES/HRS expert consensus statement on the management of the asymptomatic young patient with a Wolff-Parkinson-White (WPW, ventricular preexcitation) electrocardiographic pattern: developed in partnership between the Pediatric and Congenital Electrophysiology Society (PACES) and the Heart Rhythm Society (HRS). Endorsed by the governing bodies of PACES, HRS, the American College of Cardiology Foundation (ACCF), the American Heart Association (AHA), the American Academy of Pediatrics (AAP), and the Canadian Heart Rhythm Society (CHRS)". Heart Rhythm. 9 (6): 1006–24. doi:10.1016/j.hrthm.2012.03.050. PMID 22579340.
  2. 2.0 2.1 Fitzsimmons, PJ.; McWhirter, PD.; Peterson, DW.; Kruyer, WB. (2001). "The natural history of Wolff-Parkinson-White syndrome in 228 military aviators: a long-term follow-up of 22 years". Am Heart J. 142 (3): 530–6. doi:10.1067/mhj.2001.117779. PMID 11526369. Unknown parameter |month= ignored (help)
  3. 3.0 3.1 3.2 Cárdenas M (1990). "[Frequent arrhythmias in Wolff-Parkinson-White syndrome]". Arch Inst Cardiol Mex (in Spanish; Castilian). 60 (5): 467–72. PMID 2091550.
  4. Brembilla-Perrot, B.; Yangni N’Da, O.; Huttin, O.; Chometon, F.; Groben, L.; Christophe, C.; Benzaghou, N.; Luporsi, J.D.; Tatar, C.; Bertrand, J.; Ammar, S.; Cedano, G.; Zhang, N.; Beurrier, D. (2008). "Wolff-Parkinson-White syndrome in the elderly: clinical and electrophysiological findings". Archives of Cardiovascular Diseases. 101 (1): 18–22. doi:10.1016/S1875-2136(08)70250-X. ISSN 1875-2136.
  5. "http://www.cardiology.sk/casopis/606/pdf/04.pdf" (PDF). Retrieved 11 April 2014. External link in |title= (help)
  6. "http://www.cardiology.sk/casopis/606/pdf/04.pdf" (PDF). Retrieved 11 April 2014. External link in |title= (help)
  7. Obeyesekere, MN.; Leong-Sit, P.; Massel, D.; Manlucu, J.; Modi, S.; Krahn, AD.; Skanes, AC.; Yee, R.; Gula, LJ. (2012). "Risk of arrhythmia and sudden death in patients with asymptomatic preexcitation: a meta-analysis". Circulation. 125 (19): 2308–15. doi:10.1161/CIRCULATIONAHA.111.055350. PMID 22532593. Unknown parameter |month= ignored (help)
  8. Obeyesekere MN, Leong-Sit P, Massel D, Manlucu J, Modi S, Krahn AD; et al. (2012). "Risk of arrhythmia and sudden death in patients with asymptomatic preexcitation: a meta-analysis". Circulation. 125 (19): 2308–15. doi:10.1161/CIRCULATIONAHA.111.055350. PMID 22532593.
  9. "http://www.cardiology.sk/casopis/606/pdf/04.pdf" (PDF). Retrieved 11 April 2014. External link in |title= (help)
  10. "http://www.cardiology.sk/casopis/606/pdf/04.pdf" (PDF). Retrieved 11 April 2014. External link in |title= (help)
  11. Campbell, RW.; Smith, RA.; Gallagher, JJ.; Pritchett, EL.; Wallace, AG. (1977). "Atrial fibrillation in the preexcitation syndrome". Am J Cardiol. 40 (4): 514–20. PMID 910715. Unknown parameter |month= ignored (help)
  12. Sharma, AD.; Klein, GJ.; Guiraudon, GM.; Milstein, S. (1985). "Atrial fibrillation in patients with Wolff-Parkinson-White syndrome: incidence after surgical ablation of the accessory pathway". Circulation. 72 (1): 161–9. PMID 4006127. Unknown parameter |month= ignored (help)

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