Korean Circ J.  2008 May;38(5):287-290. 10.4070/kcj.2008.38.5.287.

Angioplasty for Difficult Complex Lesions With Using the Venture(TM) Catheter for Wire Placement

Affiliations
  • 1Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea. aangell@hananet.net
  • 2Department of Thoracic and Cardiovascular Surgery, Pusan National University School of Medicine, Busan, Korea.

Abstract

We report here on the use of the Venture(TM) catheter to facilitate successful advancement of a guidewire across difficult, complex lesions after the prior attempts at guide wire passage were unsuccessful with using standard wires. This Venture(TM) catheter may increase the success rate and reduce the procedural time for such a challenging interventional procedure.

Keyword

Angioplasty; Catheter

MeSH Terms

Angioplasty
Catheters

Figure

  • Fig. 1 Angiographic findings of first case. A: subtotal occlusion without a visible stump at the ostium of the circumflex artery and there is tubular eccentric luminal narrowing at the ostium of the left anterior descending artery. B: the tip of the Venture Catheter was deflected and engaged at the ostium of the circumflex artery. C: a guidewire is advanced into the distal vessel. D: kissing ballooning after crushing at the bifurcation lesion. E: the final angiographic result following balloon dilation and placement of two drug-eluting stents.

  • Fig. 2 IVUS findings of first case. A: post-procedural IVUS findings of the left main artery (minimal stent area: 10.2 mm2). B: post-procedural IVUS findings of the circumflex artery ostium (minimal stent area: 4.7 mm2). IVUS: intravascular ultrasound.

  • Fig. 3 Angiographic findings of second case. A: initial coronary angiography showed the diffusely diseased lumen of the left anterior descending artery. B: a severely angulated and subocclusive lesion at the ostium of the circumflex artery. C: an unsuccessful attempt to pass a guidewire in the ostium of the circumflex artery by using a microcatheter. This was successfully advanced into the proximal lesion, but it was unable to cross the second angle of the lesion. D: the Venture Catheter in a curved configuration engaging the circumflex stump and the guidewire was advanced into the distal vessel. E: kissing ballooning after crushing at the bifurcation lesion. F, G: final results.

  • Fig. 4 IVUS findings of second case. A: pre-procedural IVUS findings of the distal left main artery (the cross sectional area is 8.9 mm2 and there is a 61% plaque burden). B: pre-procedural IVUS findings of the left anterior descending artery ostium (the cross sectional area is 5.5 mm2 and there is a 64% plaque burden). C: post-procedural IVUS findings of the circumflex artery ostium (minimal stent area: 5.1 mm2). IVUS: intravascular ultrasound.


Reference

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