What question did this study set out to answer?

This research aims to explore the relationship between resting heart rate and mortality in COPD.

November 8, 2012European Respiratory Journal

Resting heart rate is a predictor of mortality in COPD

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Why the study?

Does resting heart rate predict cardiovascular and all-cause mortality in subjects with COPD?

Key Points

This research aims to explore the relationship between resting heart rate and mortality in COPD.
Analyzed data from 16,696 subjects aged ≥40 years followed for 35.3 years from the Copenhagen City Heart Study.
Used time-dependent Cox-models and net reclassification index (NRI) for data analysis.
Compared resting heart rate across different stages of COPD and its effect on prognosis.
Resting heart rate significantly associated with cardiovascular and all-cause mortality across all COPD stages (p<0.001).
Difference in median life expectancy between resting heart rates <65 bpm and >85 bpm was 5.5 years without COPD, and up to 9.8 years in mild COPD.
Resting heart rate improved risk prediction significantly (categorical NRI 4.9%, p=0.01; category less NRI 23.0%, p<0.0001).

Structured PICO

Does resting heart rate predict cardiovascular and all-cause mortality in subjects with COPD?

Population

16,696 subjects aged ≥40 years from the Copenhagen City Heart Study, a prospective study of the general population, including subjects with varying stages of COPD.

Intervention

Higher resting heart rate (exposure)

Comparator

Lower resting heart rate (e.g., <65 bpm vs >85 bpm)

Outcome

Cardiovascular and all-cause mortalityhard clinical

Resting heart rate is a readily available clinical variable that significantly improves mortality risk prediction in patients with COPD beyond pulmonary function alone.

Discussion

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Implication

May enhance mortality risk stratification in COPD beyond GOLD; extends associations but remains hypothesis-generating.

Cite This Study

Jensen et al. (2012) studied this question.

synapsesocial.com/papers/69fc05353a0f4cc134c8eee8 https://doi.org/10.1183/09031936.00072212

View Full Paper

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Resting heart rate is a predictor of mortality in COPD

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Resting heart rate is a predictor of mortality in COPD

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider