What question did this study set out to answer?

The study aims to determine if asymptomatic ST-segment depression during exercise predicts sudden cardiac death in men without evident coronary heart disease.

January 24, 2009European Heart JournalOpen Access

Asymptomatic ST-segment depression during exercise testing and the risk of sudden cardiac death in middle-aged men: a population-based follow-up study

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Why the study?

Does asymptomatic ST-segment depression during exercise testing predict sudden cardiac death in middle-aged men without evident CHD?

Population

1,769 middle-aged men without evident coronary heart disease (CHD) from a population-based sample

Comparison

Asymptomatic ST-segment depression during and… vs Absence of asymptomatic ST-segment depression…

Design

Cohort

Follow-up

median 18 years

Authors

JLJari A. LaukkanenPreventive Cardiology TMTimo MäkikallioElectrophysiology RRR. RauramaaPennington Biomedical Research Center

Discussion

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Implication

Asymptomatic ST-segment depression during exercise testing or recovery is a strong predictor of sudden cardiac death in middle-aged men without known CHD, especially those with conventional risk factors.

Key Points

The study aims to determine if asymptomatic ST-segment depression during exercise predicts sudden cardiac death in men without evident coronary heart disease.
Analyzed data from a population-based sample of 1769 middle-aged men without evident coronary heart disease.
Follow-up period averaged 18 years with a total of 72 sudden cardiac death events documented.
Computed hazard ratios to assess risk associated with asymptomatic ST-segment depression during exercise and recovery.
Risk of sudden cardiac death significantly increased with asymptomatic ST-segment depression during exercise (HR 2.1, 95% CI 1.2-3.9).
Higher risk (HR 3.2, 95% CI 1.7-6.0) observed among those with ST-segment depression during recovery.
Asymptomatic ST-segment depression was a stronger predictor among smokers and men with hypercholesterolemia or hypertension.

Structured PICO

Does asymptomatic ST-segment depression during exercise testing predict sudden cardiac death in middle-aged men without evident CHD?

Population

1,769 middle-aged men without evident coronary heart disease (CHD) from a population-based sample

Intervention

Asymptomatic ST-segment depression during and after maximal symptom-limited exercise test

Comparator

Absence of asymptomatic ST-segment depression during exercise testing or recovery

Outcome

Sudden cardiac death over a median follow-up of 18 yearshard clinical

Cite This Study

Laukkanen et al. (2009) studied this question.

synapsesocial.com/papers/6a2124bcf9ede0d10bc3b329 https://doi.org/10.1093/eurheartj/ehn584

Topics

Hypertension management

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Asymptomatic ST-segment depression during exercise testing and the risk of sudden cardiac death in middle-aged men: a population-based follow-up study

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Asymptomatic ST-segment depression during exercise testing and the risk of sudden cardiac death in middle-aged men: a population-based follow-up study

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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Topics

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