Validity of reported data in the Swedish Cardiac Arrest Register in selected parts in Sweden

Strömsöe, Anneli; Svensson, Leif; Axelsson, Åsa; Göransson, Katarina E.; Todorova, Lizbet; Herlitz, Johan

doi:10.1016/j.resuscitation.2012.12.026

Cited by 77 publications

(59 citation statements)

References 16 publications

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“…The size and quality of this registry make it unique, including the systematic collection of pre-hospital and in-hospital background and treatment data. A retrospective control was performed in a sample of intensive care units (ICUs) indicating that an outstanding 99 % of all cardiac arrest patients admitted alive were identified during the study period [3], which is notably higher than in previous reports [5]. It is encouraging that the pre-hospital factors strongly associated with survival to discharge remain the same as earlier identified-initial shockable rhythm, younger age, bystander CPR and cardiac arrest in a public place-suggesting ways to improve pre-hospital performance by educating more lay people, deployment of defibrillators and by engaging fire-fighters, police, taxi drivers etc.…”

mentioning

confidence: 85%

Therapeutic hypothermia and coronary angiography are mandatory after out-of-hospital cardiac arrest: No

Friberg

Nielsen

2014

Intensive Care Med

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Sudden out-of-hospital cardiac arrest is a major health problem throughout the world and in spite of increased awareness in society and improved pre-hospital and hospital care, overall survival remains around 10 % [1,2]. An impressive effort to create a prospective populationbased registry covering all out-of-hospital cardiac arrest patients in greater Paris was made and the results from the first 2 years are published in this issue of the journal [3]. The high quality registry study excluded cardiac arrest of obvious non-cardiac aetiology resulting in 3,816 patients in whom a resuscitation attempt was made, which translates into a yearly incidence of 0.6 % per inhabitant, similar to what has previously been reported [4]. Admission rate to hospital was impressively high, 35 %, while 8 % were discharged alive. The size and quality of this registry make it unique, including the systematic collection of pre-hospital and in-hospital background and treatment data. A retrospective control was performed in a sample of intensive care units (ICUs) indicating that an outstanding 99 % of all cardiac arrest patients admitted alive were identified during the study period [3], which is notably higher than in previous reports [5]. It is encouraging that the pre-hospital factors strongly associated with survival to discharge remain the same as earlier identified-initial shockable rhythm, younger age, bystander CPR and cardiac arrest in a public place-suggesting ways to improve pre-hospital performance by educating more lay people, deployment of defibrillators and by engaging fire-fighters, police, taxi drivers etc.The recently published target temperature management after cardiac arrest trial (TTM trial) included basically the same patient group as captured in the present French study [6]. The TTM trial randomly assigned 950 out-ofhospital cardiac arrest patients of cardiac aetiology to a target temperature of either 33 or 36°C with no difference in survival (Fig. 1) or neurological outcome between groups. Compared to the present registry study, patients in the TTM trial had an early angiography performed approximately as often (63 % versus 58 %) while the use of temperature control differed (100 % versus 58 %). In the present study, 22 % of patients admitted alive to hospital were eventually discharged alive; almost all (96 %) with a good neurological outcome. Haemodynamic failure was considered to be the cause of death in a majority of patients (55 %) with neurological cause as the runner-up (43 %). These results differ from other published studies [7,8] including those from the TTM trial, where a majority of deaths were considered to be of a neurological cause [6].

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mentioning

confidence: 85%

Therapeutic hypothermia and coronary angiography are mandatory after out-of-hospital cardiac arrest: No

Friberg

Nielsen

2014

Intensive Care Med

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“…Telephone-assisted CPR is offered to callers who answer that they do not know how to do CPR. The SRCR 169 and the EMS organization 6 have been thoroughly described elsewhere.…”

Section: Swedish Registry Of Cardiopulmonary Resuscitationmentioning

confidence: 99%

“…Thus, today the register includes all treated cases of OHCA. 5,168,169 Approximately 5500 cases of OHCA are reported to the register annually. 5 …”

Section: Swedish Registry Of Cardiopulmonary Resuscitationmentioning

confidence: 99%

“…Early intervention can be lifesaving, and thus EMS personnel "only" encounter unconscious individuals. Strömsöe et al 169 reported that missed data also consisted of cases in which CPR was terminated on scene by EMS personnel. How this bias can affect data analysis is unclear.…”

Section: Validity Reliability and Generalizationmentioning

confidence: 99%

“…How this bias can affect data analysis is unclear. However, Strömsöe et al 169 compared the missing cases with the correctly reported cases and found that there was a higher survival rate for the missing group (11.9 vs 9.2, p=0.035), even though they were older (69 vs 67 years, p=0.003) and received bystander CPR less frequently (60% vs 65%, p=0.023). Moreover, the proportion of missing data differs among the variables.…”

Section: Validity Reliability and Generalizationmentioning

confidence: 99%

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Bystander CPR: New aspects of CPR training among students and the importance of bystander education level on survival

Nord¹

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Coming to life: The study of out-of-hospital cardiac arrest

Sukul¹,

Nallamothu²

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Validity of reported data in the Swedish Cardiac Arrest Register in selected parts in Sweden

Cited by 77 publications

References 16 publications

Therapeutic hypothermia and coronary angiography are mandatory after out-of-hospital cardiac arrest: No

Therapeutic hypothermia and coronary angiography are mandatory after out-of-hospital cardiac arrest: No

Bystander CPR: New aspects of CPR training among students and the importance of bystander education level on survival

Coming to life: The study of out-of-hospital cardiac arrest

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