Ventricular tachycardia epidemiology and demographics: Difference between revisions

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* Sustained [[ventricular tachycardia]] (VT) is an important cause of 150,000 to 300,000 out of hospital [[sudden death]]s that occur annually in the US.<ref name="pmid19768192">{{cite journal| author=Stevenson WG| title=Ventricular scars and ventricular tachycardia. | journal=Trans Am Clin Climatol Assoc | year= 2009 | volume= 120 | issue=  | pages= 403-12 | pmid=19768192 | doi= | pmc=PMC2744510 | url= }} </ref>
* Sustained [[ventricular tachycardia]] (VT) is an important cause of 150,000 to 300,000 out of hospital [[sudden death]]s that occur annually in the US.<ref name="pmid19768192">{{cite journal| author=Stevenson WG| title=Ventricular scars and ventricular tachycardia. | journal=Trans Am Clin Climatol Assoc | year= 2009 | volume= 120 | issue=  | pages= 403-12 | pmid=19768192 | doi= | pmc=PMC2744510 | url= }} </ref>


* The most common cause of [[wide complex tachycardia]] ([[WCT]]) is [[ventricular tachycardia]] ([[VT]]), which accounts for 80% of all cases of [[WCT]].<ref name="pmid11233948">{{cite journal| author=Gupta AK, Thakur RK| title=Wide QRS complex tachycardias. | journal=Med Clin North Am | year= 2001 | volume= 85 | issue= 2 | pages= 245-66, ix-x | pmid=11233948 | doi= | pmc= | url= }} </ref>
* The most common cause of [[wide complex tachycardia]] ([[WCT]]) is [[ventricular tachycardia]] ([[VT]]), which accounts for 80% of all cases of [[WCT]].<ref name="pmid11233948">{{cite journal| author=Gupta AK, Thakur RK| title=Wide QRS complex tachycardias. | journal=Med Clin North Am | year= 2001 | volume= 85 | issue= 2 | pages= 245-66, ix-x | pmid=11233948 | doi= | pmc= | url= }} </ref>
*[[Supraventricular tachycardia]] (SVT) with aberrancy accounts for 15% to 20% of WCTs.   
*[[Supraventricular tachycardia]] (SVT) with aberrancy accounts for 15% to 20% of WCTs.   
*SVTs with bystander preexcitation and antidromic atrioventricular reentrant tachycardia ([[AVRT]]) account for 1% to 6% of WCTs.<ref name="book1">Issa Z, Miller JM, Zipes DP(2009). Approach to Wide QRS Complex Tachycardias. '' Arrhythmology and Electrophysiology:''
*SVTs with bystander preexcitation and antidromic atrioventricular reentrant tachycardia ([[AVRT]]) account for 1% to 6% of WCTs.<ref name="book1">Issa Z, Miller JM, Zipes DP(2009). Approach to Wide QRS Complex Tachycardias. '' Arrhythmology and Electrophysiology:''
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* VT rates peak in the middle decades of life.  
* VT rates peak in the middle decades of life.  
* Idiopathic VT can be observed at any age.
* Idiopathic VT can be observed at any age.
<br />
=== Sex-related demographics ===
* Men are more commonly affected by ventricular tachycardia than female, because ischemic heart disease is more prevalent in men.<ref name="Gordon1971">{{cite journal|last1=Gordon|first1=Tavia|title=Premature Mortality From Coronary Heart Disease|journal=JAMA|volume=215|issue=10|year=1971|pages=1617|issn=0098-7484|doi=10.1001/jama.1971.03180230027005}}</ref>
* Females with acquired or congenital long QT syndromes are at greater risk for sudden death.


==References==
==References==

Revision as of 15:22, 5 December 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in Chief: Avirup Guha, M.B.B.S.[2]

Overview

Ischemic heart disease is the most common cause of ventricular tacchycardia in the US, followed by cardiomyopathy. VT causes approximately of half of the 300,000 sudden deaths which occur out of hospital annually in the US. Brugada syndrome is thought to be the cause of half of the sudden cardiac deaths which occurs in young individuals without structural heart disease.

Epidemiology

Demographics

Age

  • VT is unusual in children but may occur in the postoperative cardiac setting or in patients with associated congenital heart disease.[5]
  • Tachydysrhythmias in children are more commonly due to paroxysmal supraventricular tachycardias (PSVTs).
  • The incidence of ischemic VT increases with age.
  • VT rates peak in the middle decades of life.
  • Idiopathic VT can be observed at any age.


Sex-related demographics

  • Men are more commonly affected by ventricular tachycardia than female, because ischemic heart disease is more prevalent in men.[6]
  • Females with acquired or congenital long QT syndromes are at greater risk for sudden death.

References

  1. Stevenson WG (2009). "Ventricular scars and ventricular tachycardia". Trans Am Clin Climatol Assoc. 120: 403–12. PMC 2744510. PMID 19768192.
  2. Gupta AK, Thakur RK (2001). "Wide QRS complex tachycardias". Med Clin North Am. 85 (2): 245–66, ix–x. PMID 11233948.
  3. Issa Z, Miller JM, Zipes DP(2009). Approach to Wide QRS Complex Tachycardias. Arrhythmology and Electrophysiology: A Companion to Braunwald's heart disease (1st ed., pp. 393). Philadelphia, Pa: Saunders Elsevier.
  4. 4.0 4.1 Zipes DP, Jalife J(2009). Cardiac electrophysiology: from cell to bedside (5th ed.). Philadelphia, Pa: Saunders Elsevier.
  5. Garson A, Gillette PC, McNamara DG (June 1981). "Supraventricular tachycardia in children: clinical features, response to treatment, and long-term follow-up in 217 patients". J. Pediatr. 98 (6): 875–82. doi:10.1016/s0022-3476(81)80578-1. PMID 7229788.
  6. Gordon, Tavia (1971). "Premature Mortality From Coronary Heart Disease". JAMA. 215 (10): 1617. doi:10.1001/jama.1971.03180230027005. ISSN 0098-7484.


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