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Assessment of stent edge dissections by fractional flow reserve

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Affiliated Author(s)
남창욱
Alternative Author(s)
Nam, Chang Wook
Journal Title
International Journal of Cardiology
ISSN
0167-5273
Issued Date
2015
Abstract
Backgrounds: Edge dissections after intervention have been studiedwith imaging techniques, however, functional
assessment has not been studied yet.We investigated the relationship between fractional flow reserve (FFR)
and the angiographic type of stent edge dissections and tried to assess the use of FFR-guided management for
edge dissection.
Methods: 51 edge dissections assessed by FFR were included in this prospective observational study. FFR was
measured for each type of edge dissection and compared with quantitative coronary angiographic findings. Clinical
outcomes were evaluated based on FFR measurements.
Results: Edge dissections were classified as type A (47.1%; 24/51), type B (41.2%; 21/51), type C (2.0%; 1/51) and
type D (9.8%; 5/51). Mean FFR in type A dissection was 0.87 ± 0.09, in type B 0.86± 0.07, in type C 0.72 and in
type D 0.57 ± 0.08. All type C and D dissections (6/51) had FFR ≤0.8 and were treated with additional stents.
Among the 45 type A and B dissections, 8 had a FFR ≤0.8 (17.8%), and 50% received additional stenting. All dissections
with FFR N0.8 were left untreated except one long dissection case. There was no death, myocardial infarction
or target lesion revascularization during hospitalization or the follow-up period (median 152 days;
IQR 42–352 days).
Conclusions: FFR correlateswellwith an angiographic type of edge dissection. Angiographic findings are sufficient
for deciding the treatment of severe dissections such as types C and D, while FFR-guided management may be
safe and effective for mild edge dissections such as types A and B
Department
Dept. of Internal Medicine (내과학)
Publisher
School of Medicine
Citation
Ju-Hyun Chung et al. (2015). Assessment of stent edge dissections by fractional flow reserve. International Journal of Cardiology, 185, 29–33. doi: 10.1016/j.ijcard.2015.03.043
Type
Article
ISSN
0167-5273
DOI
10.1016/j.ijcard.2015.03.043
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/35882
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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