Risk factors among people surviving out-of-hospital cardiac arrest and their thoughts about what lifestyle means to them: a mixed methods study

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Abstract

Background

The known risk factors for coronary heart disease among people prior suffering an out-of-hospital cardiac arrest with validated myocardial infarction aetiology and their thoughts about what lifestyle means to them after surviving have rarely been described. Therefore the aim of the study was to describe risk factors and lifestyle among survivors.

Methods

An explanatory mixed methods design was used. All people registered in the Northern Sweden MONICA myocardial registry between the year 1989 to 2007 who survived out-of-hospital cardiac arrest with validated myocardial infarction aetiology and were alive at the 28th day after the onset of symptoms (n = 71) were included in the quantitative analysis. Thirteen of them participated in interviews conducted in 2011 and analysed via a qualitative manifest content analysis.

Results

About 60% of the people had no history of ischemic heart disease before the out-of-hospital cardiac arrest, but 20% had three cardiovascular risk factors (i.e., hypertension, diabetes mellitus, total cholesterol of more or equal 5 mmol/l or taking lipid lowering medication, and current smoker). Three categories (i.e., significance of lifestyle, modifying the lifestyle to the new life situation and a changed view on life) and seven sub-categories emerged from the qualitative analysis.

Conclusions

For many people out-of-hospital cardiac arrest was the first symptom of coronary heart disease. Interview participants were well informed about their cardiovascular risk factors and the benefits of risk factor treatment. In spite of that, some chose to ignore this knowledge to some extent and preferred to live a “good life”, where risk factor treatment played a minor part. The importance of the support of family members in terms of feeling happy and having fun was highlighted by the interview participants and expressed as being the meaning of lifestyle. Perhaps the person with illness together with health care workers should focus more on the meaningful and joyful things in life and try to adopt healthy behaviours linked to these things.

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Most cited references 25

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The epidemiology, pathophysiology, and management of psychosocial risk factors in cardiac practice: the emerging field of behavioral cardiology.

Alan Rozanski, James Blumenthal, Karina Davidson … (2005)

Observational studies indicate that psychologic factors strongly influence the course of coronary artery disease (CAD). In this review, we examine new epidemiologic evidence for the association between psychosocial risk factors and CAD, identify pathologic mechanisms that may be responsible for this association, and describe a paradigm for studying positive psychologic factors that may act as a buffer. Because psychosocial risk factors are highly prevalent and are associated with unhealthy lifestyles, we describe the potential role of cardiologists in managing such factors. Management approaches include routinely screening for psychosocial risk factors, referring patients with severe psychologic distress to behavioral specialists, and directly treating patients with milder forms of psychologic distress with brief targeted interventions. A number of behavioral interventions have been evaluated for their ability to reduce adverse cardiac events among patients presenting with psychosocial risk factors. Although the efficacy of stand-alone psychosocial interventions remains unclear, both exercise and multifactorial cardiac rehabilitation with psychosocial interventions have demonstrated a reduction in cardiac events. Furthermore, recent data suggest that psychopharmacologic interventions may also be effective. Despite these promising findings, clinical practice guidelines for managing psychosocial risk factors in cardiac practice are lacking. Thus, we review new approaches to improve the delivery of behavioral services and patient adherence to behavioral recommendations. These efforts are part of an emerging field of behavioral cardiology, which is based on the understanding that psychosocial and behavioral risk factors for CAD are not only highly interrelated, but also require a sophisticated health care delivery system to optimize their effectiveness.

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Sudden cardiac death in the United States, 1989 to 1998.

Zhi-Jie Zheng, Janet B Croft, Wayne Giles … (2001)

Sudden cardiac death (SCD) is a major clinical and public health problem. United States (US) vital statistics mortality data from 1989 to 1998 were analyzed. SCD is defined as deaths occurring out of the hospital or in the emergency room or as "dead on arrival" with an underlying cause of death reported as a cardiac disease (ICD-9 code 390 to 398, 402, or 404 to 429). Death rates were calculated for residents of the US aged >/=35 years and standardized to the 2000 US population. Of 719 456 cardiac deaths among adults aged >/=35 years in 1998, 456 076 (63%) were defined as SCD. Among decedents aged 35 to 44 years, 74% of cardiac deaths were SCD. Of all SCDs in 1998, coronary heart disease (ICD-9 codes 410 to 414) was the underlying cause on 62% of death certificates. Death rates for SCD increased with age and were higher in men than women, although there was no difference at age >/=85 years. The black population had higher death rates for SCD than white, American Indian/Alaska Native, or Asian/Pacific Islander populations. The Hispanic population had lower death rates for SCD than the non-Hispanic population. From 1989 to 1998, SCD, as the proportion of all cardiac deaths, increased 12.4% (56.3% to 63.9%), and age-adjusted SCD rates declined 11.7% in men and 5.8% in women. During the same time, age-specific death rates for SCD increased 21% among women aged 35 to 44 years. SCD remains an important public health problem in the US. The increase in death rates for SCD among younger women warrants additional investigation.

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Out-of-hospital cardiac arrest in the 1990's: a population-based study in the Maastricht area on incidence, characteristics and survival.

Jacqueline J.M. de Vreede-Swagemakers, Anton Gorgels, Willy Dubois-Arbouw … (1997)

We sought to describe the incidence, characteristics and survival of out-of-hospital sudden cardiac arrest (SCA) in the Maastricht area of The Netherlands. Incidence and survival rates of out-of-hospital SCA in different communities are often based on the number of victims resuscitated by the emergency medical services. Our population-based study in the Maastricht area allows information on all victims of witnessed and unwitnessed SCA occurring outside the hospital. Incidence, patient characteristics and survival rates were determined by prospectively collecting information on all cases of SCA occurring in the age group 20 to 75 years between January 1, 1991 and December 31, 1994. Survival rates were related to the site of the event (at home vs. outside the home) and the presence or absence of a witness and rhythm at the time of the resuscitation attempt in out-of-hospital SCA. Five hundred fifteen patients were included (72% men, 28% women). In 44% of men and 53% of women, SCA was most likely the first manifestation of heart disease. In patients known to have had a previous myocardial infarction (MI), the mean interval between the MI and SCA was 6.5 years, with >50% having a left ventricular ejection fraction >30%. The mean yearly incidence of SCA was 1 in 1,000 inhabitants. Of all deaths in the age groups studied, 18.5% were sudden. Nearly 80% of SCAs occurred at home. In 60% of all cases of SCA a witness was present. Cardiac resuscitation, which was attempted in 51% of all subjects, resulted overall in 32 (6%) of 515 patients being discharged alive from the hospital. Survival rates for witnessed SCA were 8% (16 of 208 subjects) at home and 18% (15 of 85 subjects) outside the home (95% confidence interval 1% to 18.8%). The majority of victims of SCA cannot be identified before the event. Sudden cardiac arrest usually occurs at home, and the survival of those with a witnessed SCA at home was low compared with that outside the home, indicating the necessity of optimizing out-of-hospital resuscitation, especially in the at-home situation.

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Author and article information

Journal

Journal ID (nlm-ta): BMC Cardiovasc Disord

Journal ID (iso-abbrev): BMC Cardiovasc Disord

Title: BMC Cardiovascular Disorders

Publisher: BioMed Central

ISSN (Electronic): 1471-2261

Publication date Collection: 2013

Publication date (Electronic): 27 August 2013

Volume: 13

Page: 62

Affiliations

[1 ]Department of Research, Norrbotten County Council, Luleå SE-971 89, Sweden

[2 ]Department of Health Science, Division of Nursing, Luleå University of Technology, Luleå SE-971 87, Sweden

[3 ]Department of Medicine, Sunderby Hospital, Luleå SE-971 80, Sweden

[4 ]Department of Public Health and Clinical Medicine, University of Umeå, Umeå SE-901 87, Sweden

[5 ]Department of Medicine, Skellefteå Hospital, Skellefteå SE-931 41, Sweden

Article

Publisher ID: 1471-2261-13-62

DOI: 10.1186/1471-2261-13-62

PMC ID: 3765810

PubMed ID: 23981440

SO-VID: ed88c943-8160-484e-8b43-57f4e18e88ac

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Risk factors among people surviving out-of-hospital cardiac arrest and their thoughts about what lifestyle means to them: a mixed methods study

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Most cited references 25

The epidemiology, pathophysiology, and management of psychosocial risk factors in cardiac practice: the emerging field of behavioral cardiology.

Sudden cardiac death in the United States, 1989 to 1998.

Out-of-hospital cardiac arrest in the 1990's: a population-based study in the Maastricht area on incidence, characteristics and survival.

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