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Published on: July 12, 2024
Metformin in heart failure patients.
Abdulhalim Jamal Kinsara1, Yasser Mansour Ismail1
1King Saud bin Abdulaziz University for Health Sciences, COM-J King Abdul Aziz Medical City-WR, King Faisal Cardiac Center, Mail Code 6599, P.O. Box 9515, Jeddah, 21423, Saudi Arabia.
Metformin is now considered safe for patients with heart failure, as recent evidence refutes the old concern about lactic acidosis risk. This review clarifies its appropriate use in managing heart failure patients.
Area of Science:
- Cardiology
- Pharmacology
- Internal Medicine
Background:
- Metformin was historically contraindicated in heart failure due to lactic acidosis concerns.
- This contraindication was based on older data and specific patient populations.
Purpose of the Study:
- To review current literature on metformin use in heart failure.
- To address and correct the misconception regarding metformin and lactic acidosis risk.
Main Methods:
- Literature review of recent studies.
- Analysis of current clinical guidelines.
Main Results:
- Recent evidence does not support the contraindication of metformin in heart failure.
- The risk of lactic acidosis with metformin in heart failure patients is not significant with current understanding.
Conclusions:
- Metformin can be safely used in patients with heart failure.
- Clinicians should reconsider the outdated contraindication and utilize metformin appropriately.
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