Date post: | 31-Dec-2015 |
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New insights in radial artery vasomotion and non-occlusive injury
after TRI: an IVUS study
Tift Mann, MD, FACCRaleigh, NC, USA
RADIAL ARERTY IVUSEffect of Sublingual NTG and Intra-arterial Verapamil
Baseline After SBL NTG After IA Verapamil
(NTG : nitroglycerin)
EFFECT OF SL NTG and IA VERAPAMIL ON RADIAL Artery IVUS AREA
3
4
5
6
7
8
9
RA
Are
a, m
m3
44% increase
Repeat procedure: intimal hyperplasia from previous sheath
Previous RA cath decreases RA size but not responsiveness to NTG and VERAPAMIL
3
4
5
6
7
8
9
10
11
RA
Are
a,
mm
2
No prior RA cath Previous RA cath
** P<.01