anatomical and functional imaging of cad in ckd kdigo...2017/05/03 · anatomical and functional...
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Anatomical and Functional Imaging of CAD in CKD
Paolo Raggi, MD Professor of Medicine and
Cardiology Mazankowski Alberta Heart Institute University of Alberta,
Edmonton, AB
KDIGO
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Anatomical Imaging
KDIGO
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Invasive Angiography
KDIGO
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KDIGO
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Hypertension 2003;42:263-68
MPI
Risk Stratification
Stress Echo
Invasive Angio KDIGO
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Intravascular Ultrasound
Gruberg Am J Cardiol 2005;96:892-96
KDIGO
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Composition and plaque patterns of coronary culprit lesions and clinical characteristics of patients with chronic kidney
disease
Keiji Kono, Hideki Fujii, Kentaro Nakai, Shunsuke Goto, Junya Shite, Ken-ichi Hirata, Masafumi Fukagawa, Shinichi Nishi
Kidney International Volume 82, Issue 3, Pages 344-351 (August 2012)
DOI: 10.1038/ki.2012.118 KDIGO
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Kidney International 2012 82, 344-351DOI: (10.1038/ki.2012.118)
KDIGO
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Optical Coherence Tomography
KDIGO
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Computerized Tomography
KDIGO
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KDIGO
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KDIGO
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Kramer H. JASN 2005
KDIGO
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KDIGO
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Kidney Int 2013;83:1159
KDIGO
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KDIGO
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KDIGO
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Coron Art Dis 2013, 24:135-41
KDIGO
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Coronarycalcifica,onsandplaquecharacteris,csinpa,entswithend-stagerenaldisease:aCTstudy
JugBetal.CoronArtDis2013,24:501–508
Comparisonof:ESRDpts,age-sex-CACscorematchedandage-sexmatchednon-ESRDptsGreaterprevalenceofcalcifiedplaquesinESRD(56%vs38%vs27%,p=0.005)PlaquecomposiNon(%) ESRD Age-sex-CACAge-Sex-match-noCKD
Noncalcific 12.6 13.914.7 p=0.233Mixed 43.7 51.6 51.4 p=0.002Calcific 43.7 34.5 33.9 p=0.003
AUCofCACscoretodetect>50%luminalstenosis
0.77 0.75 0.69
KDIGO
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International registry 5572 patients Median f/u: 19 months
Am J Cardiol 2013;111:1563-69
KDIGO
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KDIGO
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Epicardial Adipose Tissue An Overlooked Marker of Risk?!
KDIGO
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InflammaNoninEAT
Mazurek T. Circulation 2003;108:2460-66
KDIGO
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KDIGO
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!
D’Marco L et al. NDT 2013
KDIGO
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Cardiac MR
Anatomy, Function, Cardiomyopathies Viability, Perfusion and Angiography
KDIGO
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CMR: Volume and Mass Analysis
LVendocardialcontourcontour
LVepicardialcontour
RVepicardialcontour
RVendocardialcontour
Papavassiliu,T.etal.Radiology2005;236:57-64
KDIGO
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KimRetal.NEJM2000;343:1443-53
KDIGO
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Salerno M. JACC Img 2013;6:806-22
T1 Mapping for better Tissue Characterization
KDIGO
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KDIGO
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Functional Imaging
KDIGO
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* *
KDIGO
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Am J Cardiol 2008;102:1451-56
KDIGO
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KDIGO
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Single independent predictor of MACE = CKD!
KDIGO
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KDIGO
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KDIGO
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Alexopoulos N. and Raggi P. Seminars in Dial 2017
KDIGO
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Increased arterial wall inflammation in patients with CKD. 18F-FDG uptake in the aortic arch (top) and the carotid arteries (bottom) was quantified as the TBR in controls (n=14, represented in A)
and patients with CKD (n=14, represented in B).
Sophie J. Bernelot Moens et al. JASN 2017;28:1278-1285
©2017 by American Society of Nephrology
KDIGO
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Ridker P et al JACC 2018;71:2405-14
KDIGO
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Active and indolent molecular vascular calcification. (A) Patient without structural vascular calcification. A positive Na18F PET signal, representing molecular vascular calcification, was observed in the ascending aorta (interrupted arrow). (B) Patient with active (arrow) and indolent vascular calcification in the descending aorta. Note the intense uptake of Na18F in the sternum, vertebra, and ribs
18F-Sodium Fluoride
KDIGO
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Radiation
Exposure Milli-Sieverts
Chest x-ray 0.1
Mammogram 0.4
FLASH coronary calcium 0.5*
Lumbar x-ray 1.5
1 year on planet Earth 3-3.5
*Meanandmediandoseoflast15casesdoneatUAH(range0.2-0.8mSv)
AmericanCollegeofRadiology+RSNA
KDIGO
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Yearly Natural Background Radiation
l ~ 3.5mSv (350 mRem)/yr in the USA
– ~2.0 mSv from radon gas from U decay – ~0.50 mSv from cosmic and terrestrial radiation – ~1.0 mSv other sources (including foods, water
etc)
KDIGO
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ALARA
l As l Low l As l Reasonably l Achievable
• Public exposure
Dose equivalent 1 mSv
• Occupational exposure
Dose equivalent 50 mSv
• Embryo/fetus
Dose equivalent 0.5 mSv
KDIGO
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American Cancer Society 42 Expected Cancers per 100 US Adults
1 Due to Exposure to 100mSv of Radiation
Case per 10 mSv
KDIGO
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KDIGO
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Summary
v Many techniques are available
q Most require advanced expertise for interpretation § The radiation exposure for some of the techniques is not negligible and the best ALARA principles should be applied. Patient involvement in decision making is necessary.
KDIGO