A 49-year-old man comes to emergency following a 12-hour painless loss of vision in his left eye. He has smoked 2 packs of cigarettes daily for the past 30 years. Blood pressure is 140/90. He has type II diabetes mellitus managed with metformin and glyburide. HbA1c is 8.5%. ECG shows sinus rhythm. Which of the following is most likely to reduce recurrence of this patient’s acute presentation?
Lisinopril
Niacin therapy
Smoking cessation
Switch metformin and glyburide to intermediate-acting insulin
Warfarin
