A Trial in Stable Intermediate Coronary Lesions and Grey-zone FFR Values

Patients will have balloon angioplasty and coronary stent insertion for their grey-zone FFR lesion.

Optimal Medical therapy consists of secondary prevention which will include high dose statin and aspirin as well as anti-anginal therapy according to ESC 2013 international treatment guidelines for stable angina as follows; B-Blocker or Calcium channel blocker as first line agents and Nicorandil or Nitrates or Ranolazine as second line treatment titrated against symptoms to maximum tolerated dose. ACE inhibitors or Angiotensin Receptor Blockers will be prescribed if patients also have a diagnosis of hypertension, LVEF ≤40%, diabetes or CKD where appropriate.