Impact of Low Albumin Levels on Survival After Heart Attack Based on Weight
Author Information
Author(s): Alon Shechter, Shani Dahan, Arthur Shiyovich, Harel Gilutz, Ygal Plakht
Primary Institution: Soroka University Medical Center
Hypothesis
Does the mortality risk from low albumin levels after a heart attack vary with body mass index (BMI)?
Conclusion
Low albumin levels are a negative indicator for long-term survival in heart attack patients with normal or mildly elevated BMI.
Supporting Evidence
- 22.7% of participants had low albumin levels.
- 42.5% of patients died over a median follow-up of 7.9 years.
- Low albumin was linked to higher mortality risk across various BMI categories.
Takeaway
If someone has low albumin levels after a heart attack, it can be more serious if they have a normal or slightly high weight, but not if they are very underweight or very obese.
Methodology
Retrospective analysis of AMI survivors from 2004 to 2017, evaluating all-cause mortality based on albumin levels and BMI.
Potential Biases
Selection bias due to exclusion of patients without BMI data.
Limitations
Single-center study with potential selection bias and lack of data on causes of hypoalbuminemia and BMI abnormalities.
Participant Demographics
74.1% males, mean age 64.1 years, 22.7% had hypoalbuminemia.
Statistical Information
P-Value
<0.001
Confidence Interval
95% CI 1.42–1.67
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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