Pulseless electrical activity natural history, complications and prognosis: Difference between revisions

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{{Pulseless electrical activity}}
{{Pulseless electrical activity}}
{{CMG}}; {{AE}} {{KGH}}
==Overview==
PEA is associated with a poor prognosis, particularly if the underlying cause is not readily identified and treated.  The presence of a [[QRS interval]] > 0.20 seconds is associated with a poorer prognosis.  The survival of patients with PEA as a presenting rhythm for [[sudden cardiac arrest]] is poorer than [[ventricular tachycardia]] or [[ventricular fibrillation]].<ref name="pmid19770741">{{cite journal | author = Meaney PA, Nadkarni VM, Kern KB, Indik JH, Halperin HR, Berg RA | title = Rhythms and outcomes of adult in-hospital cardiac arrest | journal = Critical Care Medicine | volume = 38 | issue = 1 | pages = 101–8 | year = 2010 | month = January | pmid = 19770741 | doi = 10.1097/CCM.0b013e3181b43282 | url = http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0090-3493&volume=38&issue=1&spage=101 | issn = | accessdate = 2012-09-16}}</ref>


==Overview==
===Natural History===
PEA is associated with a poor prognosis, particularly if the underlying cause is not readily identifiable and treated.  The presence of a [[QRS interval]] > 0.20 seconds is associated with a poorer prognosis.  The survival  of in hospital PEA is only 11.2%.<ref name="pmid16391216">{{cite journal | author = Nadkarni VM, Larkin GL, Peberdy MA, Carey SM, Kaye W, Mancini ME, Nichol G, Lane-Truitt T, Potts J, Ornato JP, Berg RA | title = First documented rhythm and clinical outcome from in-hospital cardiac arrest among children and adults | journal = JAMA : the Journal of the American Medical Association | volume = 295 | issue = 1 | pages = 50–7 | year = 2006 | month = January | pmid = 16391216 | doi = 10.1001/jama.295.1.50 | url = http://jama.jamanetwork.com/article.aspx?doi=10.1001/jama.295.1.50 | issn = | accessdate = 2012-09-16}}</ref> The survival for out of hospital occurrence of PEA is higher (19.5%) than for in hospital PEA, likely due to the higher incidence of reversible causes among patients with out of hospital arrest.  The survival of PEA as a presenting rhythm is poorer than [[ventricular tacycardia]] or [[ventricular fibrillation]].<ref name="pmid19770741">{{cite journal | author = Meaney PA, Nadkarni VM, Kern KB, Indik JH, Halperin HR, Berg RA | title = Rhythms and outcomes of adult in-hospital cardiac arrest | journal = Critical Care Medicine | volume = 38 | issue = 1 | pages = 101–8 | year = 2010 | month = January | pmid = 19770741 | doi = 10.1097/CCM.0b013e3181b43282 | url = http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0090-3493&volume=38&issue=1&spage=101 | issn = | accessdate = 2012-09-16}}</ref>
*The symptoms of (disease name) usually develop in the first/ second/ third decade of life, and start with symptoms such as ___.  
*The symptoms of (disease name) typically develop ___ years after exposure to ___.  
*If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].
 
===Complications===
*Common complications of [disease name] include:
**[Complication 1]
**[Complication 2]
**[Complication 3]


===Prognosis===
===Prognosis===
In a study made by Nadkarni et al  in 11,963 patients with PEA, only 11% survived, and of these 62% had good neurological outcomes <ref name="pmid16391216">{{cite journal| author=Nadkarni VM, Larkin GL, Peberdy MA, Carey SM, Kaye W, Mancini ME et al.| title=First documented rhythm and clinical outcome from in-hospital cardiac arrest among children and adults. | journal=JAMA | year= 2006 | volume= 295 | issue= 1 | pages= 50-7 | pmid=16391216 | doi=10.1001/jama.295.1.50 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16391216  }} </ref>. Zoch et al in another study reported that no patients older than 80 years, or that had an witnessed event survived <ref name="pmid10888971">{{cite journal| author=Zoch TW, Desbiens NA, DeStefano F, Stueland DT, Layde PM| title=Short- and long-term survival after cardiopulmonary resuscitation. | journal=Arch Intern Med | year= 2000 | volume= 160 | issue= 13 | pages= 1969-73 | pmid=10888971 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10888971  }} </ref> . Resuscitation Outcomes Consortium stated that patient survival after treated PEA during hospitalization is 8%, compared to 30.5% for VT/VF arrests, showing the great importance of strategies for improving survival after PEA due to SCA. However, Kudenchuk et al demonstrated an increase in overall survival from 2000 to 2004 with an odds ratio of 1.51 at 1 month (95% confidence interval [CI], 1.07–2.11), and 1.90 at 1 year (95% CI, 1.27–2.85) <ref name="pmid22474256">{{cite journal| author=Kudenchuk PJ, Redshaw JD, Stubbs BA, Fahrenbruch CE, Dumas F, Phelps R et al.| title=Impact of changes in resuscitation practice on survival and neurological outcome after out-of-hospital cardiac arrest resulting from nonshockable arrhythmias. | journal=Circulation | year= 2012 | volume= 125 | issue= 14 | pages= 1787-94 | pmid=22474256 | doi=10.1161/CIRCULATIONAHA.111.064873 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22474256 }} </ref>.
*Prognosis is generally poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [--]%.
*Depending on the extent of the [tumor/disease progression] at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as poor/good/excellent.
*The presence of [characteristic of disease] is associated with a particularly [good/poor] prognosis among patients with [disease/malignancy].
*The prognosis varies with the [characteristic] of tumor; [subtype of disease/malignancy] have the most favorable prognosis.
 
==Natural History, Complications and Prognosis==
* The survival of patients with out of hospital occurrence of PEA is 19.5% compared to 11.2% among patients with in hospital PEA, likely due to the higher incidence of reversible causes among patients with out of hospital arrest.<ref name="pmid19770741">{{cite journal | author = Meaney PA, Nadkarni VM, Kern KB, Indik JH, Halperin HR, Berg RA | title = Rhythms and outcomes of adult in-hospital cardiac arrest | journal = Critical Care Medicine | volume = 38 | issue = 1 | pages = 101–8 | year = 2010 | month = January | pmid = 19770741 | doi = 10.1097/CCM.0b013e3181b43282 | url = http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0090-3493&volume=38&issue=1&spage=101 | issn = | accessdate = 2012-09-16}}</ref><ref name="pmid23454257">{{cite journal |vauthors=Thomas AJ, Newgard CD, Fu R, Zive DM, Daya MR |title=Survival in out-of-hospital cardiac arrests with initial asystole or pulseless electrical activity and subsequent shockable rhythms |journal=Resuscitation |volume=84 |issue=9 |pages=1261–6 |date=September 2013 |pmid=23454257 |pmc=3947599 |doi=10.1016/j.resuscitation.2013.02.016 |url=}}</ref><ref name="pmid22406930">{{cite journal |vauthors=Teodorescu C, Reinier K, Uy-Evanado A, Ayala J, Mariani R, Wittwer L, Gunson K, Jui J, Chugh SS |title=Survival advantage from ventricular fibrillation and pulseless electrical activity in women compared to men: the Oregon Sudden Unexpected Death Study |journal=J Interv Card Electrophysiol |volume=34 |issue=3 |pages=219–25 |date=September 2012 |pmid=22406930 |pmc=3627722 |doi=10.1007/s10840-012-9669-2 |url=}}</ref>
 
* Among 11,963 patients with PEA, only 11% survived, 62% of which had good neurological outcomes.<ref name="pmid16391216">{{cite journal| author=Nadkarni VM, Larkin GL, Peberdy MA, Carey SM, Kaye W, Mancini ME et al.| title=First documented rhythm and clinical outcome from in-hospital cardiac arrest among children and adults. | journal=JAMA | year= 2006 | volume= 295 | issue= 1 | pages= 50-7 | pmid=16391216 | doi=10.1001/jama.295.1.50 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16391216 }} </ref>


According to Kudenchuk et al this increase in survival is attributed to the improvement of [[CPR]] techniques. However, this change in prevalence is unlikely because of improvement of response times. There are studies with different results, regarding response time. In the OPALS study (Ontario Prehospital Advanced Life Support) the increase of PEA cases occurred in a period of years where response times decreased <ref name="pmid10199426">{{cite journal| author=Stiell IG, Wells GA, Field BJ, Spaite DW, De Maio VJ, Ward R et al.| title=Improved out-of-hospital cardiac arrest survival through the inexpensive optimization of an existing defibrillation program: OPALS study phase II. Ontario Prehospital Advanced Life Support. | journal=JAMA | year= 1999 | volume= 281 | issue= 13 | pages= 1175-81 | pmid=10199426 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10199426  }} </ref>. A study made in Sweden by Herlitz et al, point out that the decrease in response timed correlated with the decrease of VT/VF and the increase of PEA. Teodorescu et al found no significant differences in response times between VF/VT, PEA, and [[asystolia]] <ref name="pmid21060069">{{cite journal| author=Teodorescu C, Reinier K, Dervan C, Uy-Evanado A, Samara M, Mariani R et al.| title=Factors associated with pulseless electric activity versus ventricular fibrillation: the Oregon sudden unexpected death study. | journal=Circulation | year= 2010 | volume= 122 | issue= 21 | pages= 2116-22 | pmid=21060069 | doi=10.1161/CIRCULATIONAHA.110.966333 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21060069  }} </ref>.
* According to the Resuscitation Outcomes Consortium, the survival of patients with [[SCA]] during hospitalization is 8% among subjects with PEA compared to 30.5% for subjects with [[VT]] or [[VF]]; therefore, strategies for improving survival after PEA due to SCA should be implemented.


==References==
==References==

Latest revision as of 12:01, 21 May 2020



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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Karol Gema Hernandez, M.D. [2]

Overview

PEA is associated with a poor prognosis, particularly if the underlying cause is not readily identified and treated. The presence of a QRS interval > 0.20 seconds is associated with a poorer prognosis. The survival of patients with PEA as a presenting rhythm for sudden cardiac arrest is poorer than ventricular tachycardia or ventricular fibrillation.[1]

Natural History

  • The symptoms of (disease name) usually develop in the first/ second/ third decade of life, and start with symptoms such as ___.
  • The symptoms of (disease name) typically develop ___ years after exposure to ___.
  • If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].

Complications

  • Common complications of [disease name] include:
    • [Complication 1]
    • [Complication 2]
    • [Complication 3]

Prognosis

  • Prognosis is generally poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [--]%.
  • Depending on the extent of the [tumor/disease progression] at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as poor/good/excellent.
  • The presence of [characteristic of disease] is associated with a particularly [good/poor] prognosis among patients with [disease/malignancy].
  • The prognosis varies with the [characteristic] of tumor; [subtype of disease/malignancy] have the most favorable prognosis.

Natural History, Complications and Prognosis

  • The survival of patients with out of hospital occurrence of PEA is 19.5% compared to 11.2% among patients with in hospital PEA, likely due to the higher incidence of reversible causes among patients with out of hospital arrest.[1][2][3]
  • Among 11,963 patients with PEA, only 11% survived, 62% of which had good neurological outcomes.[4]
  • According to the Resuscitation Outcomes Consortium, the survival of patients with SCA during hospitalization is 8% among subjects with PEA compared to 30.5% for subjects with VT or VF; therefore, strategies for improving survival after PEA due to SCA should be implemented.

References

  1. 1.0 1.1 Meaney PA, Nadkarni VM, Kern KB, Indik JH, Halperin HR, Berg RA (2010). "Rhythms and outcomes of adult in-hospital cardiac arrest". Critical Care Medicine. 38 (1): 101–8. doi:10.1097/CCM.0b013e3181b43282. PMID 19770741. Retrieved 2012-09-16. Unknown parameter |month= ignored (help)
  2. Thomas AJ, Newgard CD, Fu R, Zive DM, Daya MR (September 2013). "Survival in out-of-hospital cardiac arrests with initial asystole or pulseless electrical activity and subsequent shockable rhythms". Resuscitation. 84 (9): 1261–6. doi:10.1016/j.resuscitation.2013.02.016. PMC 3947599. PMID 23454257.
  3. Teodorescu C, Reinier K, Uy-Evanado A, Ayala J, Mariani R, Wittwer L, Gunson K, Jui J, Chugh SS (September 2012). "Survival advantage from ventricular fibrillation and pulseless electrical activity in women compared to men: the Oregon Sudden Unexpected Death Study". J Interv Card Electrophysiol. 34 (3): 219–25. doi:10.1007/s10840-012-9669-2. PMC 3627722. PMID 22406930.
  4. Nadkarni VM, Larkin GL, Peberdy MA, Carey SM, Kaye W, Mancini ME; et al. (2006). "First documented rhythm and clinical outcome from in-hospital cardiac arrest among children and adults". JAMA. 295 (1): 50–7. doi:10.1001/jama.295.1.50. PMID 16391216.

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