How do you approach the management of extremely low LDL levels in older adult patients receiving statin therapy for primary prevention of cardiovascular disease?  

In the absence of side effects, I am not concerned about very low LDL levels (e.g., less than 20 mg/dL), as there is a fairly linear association between LDL and CV risk, and there is no convincing evidence that even extremely low LDL levels are associated with cognitive impairment, intracranial hemo...