1. giant cell arteritis.mp. or giant cell arteritis/

2. temporal arteritis.mp. or temporal arteritis/

3. aortic arch syndromes.mp. or aorta arch syndrome/

4. 1 or 2 or 3

5. aspirin.mp. or acetylsalicylic acid/

6. anticoagulant agent/

7. exp Platelet Aggregation Inhibitors/

8. 5 or 6 or 7

9. exp ischemia/ or Ischemia.mp.

10. optic neuropathy, ischemic.mp. or Optic Neuropathy, Ischemic/

11. exp Myocardial Ischemia/

12. exp Brain Ischemia/

13. 9 or 10 or 11 or 12

14. 4 and 8 and 13