ffr with st. jude system
TRANSCRIPT
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Muhammad Naveed Saeed
Cath Lab Tech.January 7, 2016
Fractional flow reserve
Technique used in coronary catheterization to measure pressure differences across a coronary artery stenosis (narrowing, usually due to atherosclerosis) to determine the likelihood that the stenosis impedes myocardial ischemia.
Fractional flow reserve
FFR Limitation & Disadvantage FFR assess of lesion
severity.
FFR invasive test and allows real-time estimation of the effects of a narrowed vessel.
No plaque morphology information.
physical exercise or some intravenous medication is to increase the workload and oxygen demand of the heart muscle, and ischemia is detected using ECG changes or Nuclear imaging.
• Adenosine: 6mg/500cc NS (12mcg/cc)
• IC boluses:○ –60 mcg (5 cc)○ –96 mcg (8 cc)○ –120 mcg (10 cc)
• IV drip 140 mcg/Kg/Min
Microvascular hyperemia DrugsAdenosin
• http://www.cathlabdigest.com/article/return-ic-adenosine-ffr-history-dose-technique Issue number: volume 23 - issue 12 - December 2015
Fractional flow reserve
Significant <0.80
Grey Scale 0.8
Non Significant > 0.8
FFR with ILUMIEN
St. Jude. Medical
