Success Rate of Szabo Technique in Ostial Coronary Pci. Techniques, Angiographic and IVUS Findings

L  Krsticevic; Mohsen  Mohandes; J  Guarinos; A  Bonet; A  Cami&ntilde;as; A  Bardaji

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The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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Success Rate of Szabo Technique in Ostial Coronary Pci. Techniques, Angiographic and IVUS Findings

Author(s):

L Krsticevic¹,

Mohsen Mohandes^1,*,

J Guarinos¹,

A Bonet¹,

A Camiñas¹,

A Bardaji¹

1Interventional Cardiology Unit, Cardiology Division, Joan XXIII University Hospital, Tarragona, Spain

International Cardiovascular Research Journal:Vol. 3, issue 3; e68035

Published online:Sep 30, 2009

Article type:Research Article

Received:Mar 07, 2018

Accepted:Sep 30, 2009

How to Cite:Krsticevic L, Mohandes M, Guarinos J, Bonet A, Camiñas A, et al. Success Rate of Szabo Technique in Ostial Coronary Pci. Techniques, Angiographic and IVUS Findings. Int Cardiovasc Res J. 2009;3(3):e68035. doi:

Abstract

Background: Percutaneous coronary intervention (PCI) in ostial coronary artery lesions has been technically
difficult because it should be done with precise stent placement in ostium and absence of side branch compromise.
The Szabo technique consists of side branch wiring through most proximal stent strut as well as main
branch wiring through stent lumen. The side branch wire or anchor wire prevents stent advancement beyond ostial
segment and makes possible the accurate stent implantation in ostium. The purpose of this study is to evaluate
the feasibility and success rate of Szabo technique analysing technical, angiographic and IVUS(Intravascular
Ultrasonography) findings success rate.
Methods: We analysed retrospectively in our cath lab, 13 PCIs in 13 patients with a significant lesion at a
coronary artery ostium which was treated percutaneously using Szabo technique. The procedure was defined as
technically successful if there was neither stent loss nor second guide wire pull back during stent advancement.
A successful procedure from angiographic point of view was defined as a precise stent implantation at ostium
without side branch compromise. We defined also successful procedure from IVUS point of view consisting of
accurate stent placement in ostium without proximal protrusion and without any stent uncovered area.
Results: Of a total of 13 patients with 10 (76.9%) males, 46.2% had diabetes, 69.2% hypertension, 53.8% hypercholesterolemia
and 23.1 % were smoker or former smoker. They aged from 37-81 years with a mean age of
63±11 years. In 11 (84.6%) patients 6F and in 2 (15.4%) patients 7F sheathless guiding catheter (Asahi Intecc
Co; LTD. Japan) were used. The access was radial in 12 (92.3%) and femoral in 1 (7.7%). The culprit vessel was
left anterior descending (LAD) in 9 (69.2%), right coronary artery (RCA) 2 (15.4%), circumflex- obtuse marginal
(LCX-OM) 1(7.7%), and posterior descending (PDA) 1(7.7%). In 9 (69.2%) IVUS was performed through
culprit vessel and in 2 (15.4%) IVUS was done also in side branch after stent implantation. In 11 (84.6%) the
procedure was technically successful. Among technically successful patients all (100%) had angiographic success.
IVUS examination of culprit vessel showed accurate stent placement in ostium 7 (77.8%) and slight stent
proximal protrusion in 2 patients (22.2%).
Conclusions: This study shows that Szabo technique is safe and feasible for PCI in ostial coronary artery lesions
with a high angiographic success rate. In a high percentage of cases the accurate position of stent in ostium can
be confirmed by IVUS.

Keywords

percutaneous coronary intervention

Szabo technique

Anchor wire

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References

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Author(s):

L Krsticevic:[PubMed][Scholar]
Mohsen Mohandes:[PubMed][Scholar]
J Guarinos:[PubMed][Scholar]
A Bonet:[PubMed][Scholar]
A Camiñas:[PubMed][Scholar]
A Bardaji:[PubMed][Scholar]

The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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Success Rate of Szabo Technique in Ostial Coronary Pci. Techniques, Angiographic and IVUS Findings

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References

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