Quality of Life After Heart Attack Linked to Heart Function
Author Information
Author(s): Kjell I Pettersen, Elena Kvan, Arnfinn Rollag, Knut Stavem, Aasmund Reikvam
Primary Institution: Norwegian Knowledge Centre for the Health Services
Hypothesis
The study aimed to explore the relationship between left ventricular ejection fraction (LVEF) during hospitalization for myocardial infarction and later health-related quality of life (HRQoL).
Conclusion
LVEF measured during hospitalization for MI was a determinant for HRQoL 2.5 years later.
Supporting Evidence
- Patients with normal LVEF had a mean KCCQ score of 85, while those with reduced LVEF had a score of 68.
- The EQ-5D Index scores were 0.83 for normal LVEF and 0.76 for reduced LVEF.
- Age ≥ 70 years and chronic obstructive pulmonary disease were independent determinants of lower HRQoL scores.
Takeaway
If your heart works better after a heart attack, you will likely feel better in your daily life later on.
Methodology
Multivariable linear regression was used to assess the relationship between LVEF and HRQoL in 256 MI patients.
Potential Biases
Potential bias in the classification of medication indications and the representativeness of the sample.
Limitations
The study may not fully represent all MI patients as only those who survived and responded were included.
Participant Demographics
The study included 256 MI patients, with a mean age of 64 years, and a higher proportion of males.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI provided for various regression coefficients.
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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