Balancing the risks of heart disease and stroke

DEAR DR. ROACH: Your recent article on statins/strokes piqued my interest since you mentioned that statins might cause hemorrhagic strokes. My husband had a hemorrhagic stroke in 2014, cause unknown. The stroke caused aphasia and seizures. He was prescribed Crestor 10 mg and then increased it to 20 mg. His calcium score is very high.

He also had an ischemic stroke in February 2019 and was prescribed aspirin and 40 mg of atorvastatin. I am more concerned now as to whether he should be taking statins. His LDL is 63 and HDL is 47. Your comments on this would be appreciated. — F.D.

ANSWER: Before I comment on your husband’s situation, let me make a few of the terms clear. An intracranial hemorrhage is a bleed inside the brain. The resultant pressure inside the head can cause permanent damage to nearby brain structures: a hemorrhagic stroke. Risk factors for a hemorrhagic stroke include anticoagulants — aspirin has a very small risk, but other agents, especially warfarin (Coumadin) and to a lesser extent, newer agents such as dabigatran (Pradaxa), have a more significant risk.

Poorly controlled high blood pressure is a risk, as is consumption of large amounts of alcohol. Some people have no identifiable risk.

Your husband’s case is a situation that requires clinical judgment and more knowledge than I possess to give the most informed answer. However, for most people, the risk of an ischemic stroke and of a heart attack is significantly higher than the risk of hemorrhagic stroke. Further, the benefit in statins helping with heart attack and ischemic stroke is well-studied and moderate in magnitude. By contrast, the increase in hemorrhagic stroke risk, if any, is likely to be small. The balance of risks would be in favor of treating. His high calcium score indicates a higher risk for heart attack, making a statin more important for him.

If he had a risk factor for his previous hemorrhagic stroke that can be modified, then I would be more confident of the net benefit of a statin.

EDITOR’S NOTE: Readers may email questions to ToYourGoodHealth@med.cornell.edu or request an order form of available health newsletters or mail questions to P.O. Box 536475, Orlando, FL 32853-6475.


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