Yoshio Kobayashi, MD

Case Report

Cutting Balloon Angioplasty for Underexpanded Stent Deployed Through Struts of Previously Implanted Stent

08/01/2008

Since randomized studies showed a lower restenosis rate in focal coronary artery lesions with coronary stenting compared to conventional balloon angioplasty,1 indications for stenting expanded to complex lesions such as bifurcation and...

Since randomized studies showed...

08/01/2008

Journal of Invasive Cardiology

Case Report

Embolization Containment Device for a Native Coronary Arterial Lesion with Large Thrombus Burden

08/01/2008

Jeffrey W. Moses , MD;

Michael B. Collins , MD;

Yoshio Kobayashi , MD;

Since the coronary stent was introduced, the complication rate after percutaneous coronary intervention (PCI) has been reduced.1 However, lesions with large thrombus burden are still associated with high morbidity and mortality rates after...

Since the coronary stent was...

08/01/2008

Journal of Invasive Cardiology

Original Contribution

Damage to Polymer of Undelivered Sirolimus-Eluting Stents

08/01/2008

Hideki Kitahara , MD;

Yoshio Kobayashi , MD;

Masashi Yamaguchi , PhD;

Yoshihide Fujimoto , MD;

Mizuo Nameki , MD;

Takashi Nakayama , MD;

Nakabumi Kuroda , MD;

Alssei Komuro , MD;

A sirolimus-eluting stent (SES) consists of 3 components: 1) metallic stent; 2) sirolimus as an antiproliferative agent to inhibit neointimal formation; and 3) a polymer coating used as a drug-carrier vehicle (Figure 1).1 Polymer also plays...

A sirolimus-eluting stent (SES)...

08/01/2008

Journal of Invasive Cardiology

Original Contribution

Mechanism of Edge Restenosis After Sirolimus-Eluting Stent Implantation

01/30/2012

Hideki Kitahara , MD;

Yoshio Kobayashi , MD;

Yoshihide Fujimoto , MD;

Eiji Ichimoto , MD;

Kenichirou Kubo , MD;

Tomoaki Miyayama , MD;

Yo Iwata , MD;

Abstract: Objectives. The present study evaluated the mechanism of edge restenosis after sirolimus-eluting stent (SES) implantation using serial (post-intervention and follow-up) intravascular ultrasound (IVUS) analysis. Background. There is...

Abstract: Objectives. The...

01/30/2012

Journal of Invasive Cardiology

Successful Delivery of Polytetrafluoroethylene-Covered Stent Through 5 French Guiding Catheter

08/30/2012

Yoshio Kobayashi , MD;

Yoshihide Fujimoto , MD;

Yuji Matsudo , MD;

ABSTRACT: Deployment of a polytetrafluoroethylene-covered stent is a useful option to seal coronary perforation. However, the high profile and low flexibility compromise its deliverability. To facilitate stent delivery, deep-vessel intubation...

ABSTRACT: Deployment of a...

08/30/2012

Journal of Invasive Cardiology

Acute Angiographic and Clinical Results of the NIR w/SOX Stent

08/01/2008

Roxana Mehran , MD;

Jeffrey W. Moses , MD;

Michael B. Collins , MD;

Edward M. Kreps , MD;

Milena Adamian , MD;

Issam Moussa , MD;

Yoshio Kobayashi , MD;

Kartik Desai , MD;

Gregg W. Stone , MD, FACC, FSCAI;

Martin B. Leon , MD;

George D. Dangas , MD, PhD;

Lower restenosis rates were shown in selected lesions with the first-generation Palmaz-Schatz stent when compared to conventional balloon angioplasty.1 However, because the Palmaz-Schatz stent and its delivery system were rigid, stent...

Lower restenosis rates were...

08/01/2008

Journal of Invasive Cardiology

Case Report

Negative Remodeling at the Ostium of the Left Circumflex Artery

08/01/2008

Roxana Mehran , MD;

Jeffrey W. Moses , MD;

Issam Moussa , MD;

Yoshio Kobayashi , MD;

Arlene Reyes , MD;

Recently, lower restenosis rates have been demonstrated by directional coronary atherectomy (DCA) followed by stenting compared to stenting alone.1 This strategy may be suitable for ostial lesions, which are associated with a high risk of...

Recently, lower restenosis rates...

08/01/2008

Journal of Invasive Cardiology

Case Report

Multiple Ulcerations in Plaque Behind Stent Struts Resulting in Late Stent Malapposition After Gamma Brachytherapy for In-Stent

08/01/2008

Jeffrey W. Moses , MD;

Yoshio Kobayashi , MD;

Makoto Hirose , MD;

Intracoronary stents reduce restenosis compared with conventional balloon angioplasty.1,2 However, in-stent restenosis remains an important clinical problem.3,4 Recently, randomized trials have demonstrated that intracoronary vascular...

Intracoronary stents reduce...

08/01/2008

Journal of Invasive Cardiology

Case Report

Percutaneous Coronary Intervention in a Sequential Radial Artery Graft Anastomosed to <br />
the Descending Aorta, Left Circumflex Ar

08/01/2008

Jeffrey W. Moses , MD;

Yoshio Kobayashi , MD;

Nadim Al-Mubarak , MD;

Poor long-term patency rates have been documented for saphenous vein grafts; only 50–60% of saphenous vein grafts are patent 10 years post-operation.1 On the other hand, excellent long-term patency of the left internal mammary artery for...

Poor long-term patency rates...

08/01/2008

Journal of Invasive Cardiology