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1. Wallner M;
Toth GG;
Harb S
OCT-Corner: Revisiting Buddy-Balloon Technique
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (5-6): 130-132
OCT post stent implantation showed good stent apposition and expansion and satisfying minimal stent area (arrowheads = stent struts, + = guidewire artefact) Keywords: Buddy-balloon Technik,
buddy-balloon technique,
Kardiologie,
OCT
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2. Wallner M;
Toth GG;
Harb S
OCT-Corner: Revisiting Buddy-Balloon Technique
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (5-6): 130-132
OCT images post ballon angioplasty using buddy ballon technique. Several cracks and fractures were displayed by OCT imaging (* = fibro-calcified plaque, arrowhead = rupture, + = guidewire artefact) Keywords: Buddy-balloon Technik,
buddy-balloon technique,
Kardiologie,
OCT
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3. Wallner M;
Toth GG;
Harb S
OCT-Corner: Revisiting Buddy-Balloon Technique
Buddy ballon technique
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (5-6): 130-132
Buddy ballon technique: 2 wires (Turntracâ„¢) advanced into the LAD. 1.5 (1 dot in the centre) and 2.5 mm (two dots at the edges) NC-balloons placed in parallel in the heavy calcified proximal LAD and inflated simultaneously with high pressure (A). Stent deployment (DES; 4.0 x 28 mm) (B) Keywords: Buddy-balloon Technik,
buddy-balloon technique,
Kardiologie,
OCT
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4. Wallner M;
Toth GG;
Harb S
OCT-Corner: Revisiting Buddy-Balloon Technique
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (5-6): 130-132
OCT revealed a fibro-calcified plaque with lipid deposits (* = calcified areas, arrowhead = lipidic/fibrotic plaque, + = guidewire artefact) Keywords: Buddy-balloon Technik,
buddy-balloon technique,
Kardiologie,
OCT
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6. Wallner M;
Toth GG;
Harb S
OCT-Corner: Revisiting Buddy-Balloon Technique
Buddy balloon technique
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (5-6): 130-132
Single NC-ballon applies very high pressures uniformly against the diseased arteries’ wall (A). Buddy balloon technique using 2 NC-balloons delivers the same pressures but causes tensile forces facilitating plaque fracture in severely calcified lesion (B). Keywords: Buddy-balloon Technik,
buddy-balloon technique,
Kardiologie,
OCT,
Schema
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7. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Stentapposition
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
Koregistration des guten angiographischen Ergebnisses
(a) und der OCT inklusive 3D-Darstellung der mit einem Stent versorgten Bifurkation: Vollständige Stentapposition sowohl im proximalen (b) als auch im distalen Bereich (c), D-Ostium frei von Struts als Folge richtigen Drahtens durch die Stentstruts, die damit die Plaqueschulter stützen. Keine Anzeichen einer distalen Edge-Dissektion (d). Keywords: Kardiologie,
OCT,
Stentapposition
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8. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Angiographie
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
(a): DES 4,0/22 mm in der LAD über die Bifurkation mit dem Diagonalast (Provisional Technik); (b): POT mit 5,0 mm NC-Ballon entsprechend dem proximalen LAD-Referenzdiameter; (c): Final Kissing mit dem 3,0-mm-DCB Richtung D und einem 4,0-mm-NC-Ballon, entsprechend der distalen LAD-Referenz. Keywords: Angiographie,
Kardiologie,
OCT
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9. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Proximaler D-Referenzdiameter
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
Proximaler D-Referenzdiameter Keywords: Kardiologie,
OCT,
proximaler D-Referenzdiameter
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10. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
LAD-Stenose
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
LAD-Stenose durch lipidreiche Plaque mit hoher Attenuation,
bedeckt von einer fibrösen Kappe. Keywords: Kardiologie,
LAD-Stenose,
lipidreiche Plaque,
OCT
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11. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Proximale LAD
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
Proximale LAD-Referenz vor der Bifurkation mit D. Keywords: Kardiologie,
OCT,
proximale LAD
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12. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Lipidplaque
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
Erodierte inhomogene Lipidplaque mit einer nur 40 Mikrometer dicken Membran (TCFA) und kleine Aufhellungen (Fibrin?) mit dahinterliegenden Schatten, ähnlich wie bei eruptivem Nodulus, doch noch nicht in das Lumen vorspringend (Pfeile). Keywords: Kardiologie,
Lipidplaque,
OCT
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13. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
3D-Rekonstruktion
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
3D-Rekonstruktion der LAD von proximal gesehen. Die beschriebene vorgewölbte Wandveränderung wird mit * markiert. (S: Septalast; D: Diagonalast) Keywords: 3D-Rekonstruktion,
Kardiologie,
LAD,
OCT
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14. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
OCT-Pullback
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
Erster OCT-Pullback von der LAD. (S: Septalast; D: Diagonalast Keywords: Bifurkation,
Diagonalast,
Kardiologie,
OCT-Pullback,
Septalast
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15. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
Koronarangiographie
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
(a): Kraniale AP-Projektion; (b): kraniale RAO-50-Projektion Keywords: Bifurkationsstenose,
Kardiologie,
Koronarangiographie,
LAD
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16. Prunea D;
Achim A;
Kanoun Schnur SS;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: OCT als Planungswerkzeug der PCI bei akutem Koronarsyndrom und lipidreicher Bifurkationsstenose
EKG bei der Aufnahme
Journal für Kardiologie - Austrian Journal of Cardiology 2025; 32 (1-2): 24-28
EKG bei der Aufnahme: ncSR 65/min, üLT, AVB I°, QRS schmal, R/S V4/5, inkompletter Rechtsschenkelblock Keywords: akutes Koronarsyndrom,
AV-Block I,
EKG,
inkompletter Rechtsschenkelblock,
Kardiologie
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17. Maaroufi A;
Andreka J;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: It's all about the flow
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (7-8): 183-185
Two guide wires characterized
by blocking incident OCT light, casting black shadows on the vessel wall,
one is clean (green arrow), the other is
surrounded by the a white thrombus
(white dotted lines) with low attenuation beneath in a a shape of butterfly.
OCT was in the therapeutic range. Different wire surfaces, insufficient wiping,
and different indwelling times may explain why one wire stayed completely
clean while the other is covered with
fresh thrombus. Keywords: Kardiologie,
OCT
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18. Maaroufi A;
Andreka J;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: It's all about the flow
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (7-8): 183-185
Co-Registration of angiography
and OCT: A Post PCI OCT run displays stent
underexpansion and malapposition with
intrastent thrombosis: The yellow star indicates the white thrombus – the dashed
white lines demarcate the backscattering
beneath (low attenuation) Keywords: Kardiologie,
OCT
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19. Maaroufi A;
Andreka J;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: It's all about the flow
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (7-8): 183-185
A PrePCI OCT run using Ultreon
2.0 Software by Abbott with co-registration
feature: The blue arrow on the angiogram
indicates the white marker showing the position of corresponding OCT image if 15 fps
are filmed and displays that the contrast has
been flushed out by the upcoming blood.
(In this series, only 7.5 fps were filmed, so
the exact positions of the corresponding
OCT pictures had to be extrapolated.
Fps: frames per second. Keywords: Kardiologie,
OCT
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20. Maaroufi A;
Andreka J;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: It's all about the flow
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (7-8): 183-185
Left: The imaging displays a reduction of the lumen due to an intra luminal
protrusion of a high signal formation (yellow
star) with high attenuation beneath it (white
circle), intima (high signal) is intact and thin
(blue triangles), the arrow indicates the
coronary wire. Right: The high attenuation
of signal beneath a protruding formation
with a smooth surface, its proximal localization and intraluminal swirling contouring
the wire (green triangle) in the following
sequence of images, are all arguments su ggesting an artifact related to the blood flowing into the coronary artery when flushing
stopped before the pullback was ended. Keywords: Kardiologie,
OCT
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21. Maaroufi A;
Andreka J;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: It's all about the flow
Video 1
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (7-8): 183-185
Co-registration of OCT run in the LAD using Ultreon 2.0
software and Dragonfly Optis catheter. The video commences with
the proximal segment of the left anterior descending artery (LAD)
displaying simultaneous coronary angiogram on left and OCT imaging on right. Notably, the filling of the proximal LAD with contrast
appears suboptimal in the angiogram, concomitant with the OCT
images which vividly depict blood entering the vessel lumen. As the
video progresses distally, the OCT frames exhibit significant artifact
clearance from blood and better resolution of the vessel wall segments, concurrent with adequate contrast filling in the angiogram.
This is a nice example how artificial intelligence (AI) can prepare imaging data for quick and easy review by the interventional cardiologist:
In reality, blood is cleared from the lumen by antegrade dye injection
and the OCT-lens is moved from distal to proximal, so in this case it
reached the LM when blood already followed the contrast-bolus. AI
used the coregistered images and presents the video in antegrade
mode for more intuitive interpretation. Keep in mind, though, how
the pictures were created, to better understand the creation of artifacts. In this case, less experienced cardiologists may misinterprete
blood for thrombus if they only look at still frame OCT pictures. Co-registration of angio and OCT clearly shows the movement of blood.
“It is all about the flow!
Keywords: Kardiologie,
OCT-Corner
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22. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Distal stent edge dissection. Minor distal edge dissection – NOT
meeting significance criteria (not penetrating medial layer, lateral extension < 60°, < 2 mm length). Keywords: Kardiologie,
OCT
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23. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Insignificant stent malapposition and minimal tissue prolaps.
Keywords: Kardiologie,
OCT
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24. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Final angiographic result.
Keywords: Kardiologie,
OCT
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25. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Stents delivered in the mid-segment of the RCA. Keywords: Kardiologie,
OCT
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26. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
White thrombus at the level of the aneurysmatic lesion. Keywords: Kardiologie,
OCT
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27. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Critical calcific stenosis, with mixed thrombus on the surface of
the calcium plaque in the mid segment of the RCA. Keywords: Kardiologie,
OCT
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28. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Calcific arterial wall, without stenotic effect. Keywords: Kardiologie,
OCT
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29. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Calcified aneurysm separated by an intimal flap from the true lumen, in the proximal part of the aneurysm, with further typical aspect more
distally. Keywords: Kardiologie,
OCT
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30. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
OCT
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Contrastless saline OCT run Keywords: Kardiologie,
OCT
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31. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Saline versus dye in OCT imaging – A complex RCA that needed both
Aneurysma
Journal für Kardiologie - Austrian Journal of Cardiology 2024; 31 (1-2): 27-30
Aneurysms and calcific stenosis in the mid RCA. Keywords: Aneurysma,
Echo,
Kardiologie
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32. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
IVUS
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
IVUS Keywords: IVUS,
Kardiologie
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33. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
IVUS
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
IVUS Keywords: IVUS,
Kardiologie
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34. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
Angiographie
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
Angiographic view of the ostial RCA CTO. Guiding catheter placed between aorta wall and old stent struts, PCI materials being delivered
through the old stent struts. Keywords: Angiographie,
Kardiologie
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35. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
Side-Struts
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
Partially dilated overlapping side-struts. Keywords: Kardiologie,
Side-Struts
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36. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
Schema
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
In order to obtain
better support, left distal
radial access was preferred,
and the guiding catheter
was placed between the aortic wall and old stent struts
which were protruding into
the aorta. © Dan Prune Keywords: Kardiologie,
Schema
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37. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
Angiographie
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
Final angiographic result Keywords: Angiographie,
Kardiologie
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38. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
RCA - ISR
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
Proximal RCA ISR treated with DES
(due to persistent recoil, plain balloon angioplasty was considered insufficient). Keywords: ISR,
Kardiologie,
RCA
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39. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
RCA - ISR
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
Proximal RCA ISR with recoil resisting
a ggressive balloon dilatations. Keywords: ISR,
Kardiologie,
RCA
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40. Prunea D;
Kanoun Schnur SS;
Stark C;
Zirlik A;
Toth GG;
Harb S
OCT-Corner: Clinical case illustrating the importance of IVUS imaging when deciding for optimal PCI treatment in CTO patients
IVUS
Journal für Kardiologie - Austrian Journal of Cardiology 2023; 30 (7-8): 187-191
IVUS Keywords: IVUS,
Kardiologie
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