Vasile Sirbu
Jilin Heart Hospital, ChinaTitle: Optical coherence tomography to assess proximal side optimization technique in crush stenting for true bifurcation coronary lesions
Abstract
Aim: We analyzed the previously described intraprocedural benefits of Proximal
Side Optimization (PSO) technique with
Optical Coherence Tomography (OCT).
Methods: Ten consecutive true bifurcation lesions with
severe long pathology of long side branch were randomly assigned to be treated
by standard DK Crush procedure as compared to DK Crush in PSO modification.
Data from OCT investigation before crushing of the SB DES, after crushing and
after first kissing balloon inflation were compared between the two groups. The
time needed for first rewiring, second rewiring, contrast material and
radiation load were collected.
Results: All ten cases were successfully treated by
the assigned technique. The two groups were similar in terms of indications for
the procedure, bifurcation angle and stent dimensions. As compared to DK Crush,
the PSO group showed larger proximal SB stent areas, larger delta between
distal and proximal stent areas before crush, larger Space of Optimal Wiring
(SOW) after Crush. The time needed for first and second rewiring as well as the
amount of contrast material and radiation load were significantly less in the
PSO group.
Conclusion: The DK Crush in PSO modification results in
larger SB DES and SOW areas. Less time, material and radiation load are needed
to successfully complete the procedure while using this simple modification.
Biography
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