Volume 20 - Issue 11 - November, 2008

Suitability of Saphenous Vein Graft Lesions for the Use of Distal Embolic Protection Devices

Sameer K. Mehta, MD, Joshua M. Stolker, MD, Andrew D. Frutkin, MD, Steven P. Marso, MD

Author Affiliations:

From the Mid-America Heart Institute, St. Luke’s Hospital, Kansas City, Missouri.
Disclosure: Dr. Marso is a consultant for Volcano Corp., and is a research grant recipient from Volcano Corp., Boston Scientific Corp., and Amylia Corp.
Manuscript submitted May 13, 2008, provisional acceptance given July 7, 2008, manuscript accepted September 5, 2008.
Address for correspondence: Joshua M. Stolker, MD, Mid-America Heart Institute, St. Luke’s Hospital, 4401 Wornall Road, Suite 5601, Kansas City, MO 64111. E-mail: jstolker@saint-lukes.org

ABSTRACT: The use of distal embolic protection devices (EPD) in saphenous vein graft percutaneous interventions (SVG-PCI) has been associated with a decrease in adverse events. Currently, there are limited data regarding the percentage of SVG lesions that are suitable for EPD deployment. We retrospectively reviewed 131 SVG-PCI procedures occurring over 18 months for suitability for EPD deployment, utilizing previously published suitability criteria. We found that 49% of cases were suitable for EPD use, which is similar to results from other studies. Given the data supporting the use of EPD use...

When Catastrophe Strikes — A Case of Atrial Myxoma with Distal Embolization

Manreet Kanwar, MD, Yassar Almanaseer, MD, Abdulwahhab Alroaini, MD

Author Affiliations:

From the Division of Cardiology, Department of Medicine, St. John Hospital and Medical Center, Detroit, Michigan.
The authors report no conflicts of interest regarding the content herein.
Manuscript submitted April 14, 2008, provisional acceptance given June 12, 2008, final version accepted June 13, 2008.
Address for correspondence: Manreet Kanwar, MD, St. John Hospital and Medical Center, 22101 Moross Rd., 2nd Floor VEP, Cardiac Cath Lab, Detroit, MI 48236. E-mail: manreet.kanwar@stjohn.org

ABSTRACT: Primary tumors of the heart are rare, with an incidence between 0.0017 and 0.19 percent in unselected patients at autopsy.1 About three-quarters of these tumors are benign, and nearly half of these benign tumors are myxomas. First described in 1845, myxomas were diagnosed posthumously until the 1950s. The clinical features are determined by their size, locations and mobility. Embolism occurs in one-third of patients, but it is rare for patients to initially present with multiple, simultaneous widespread emboli.1–3

J INVASIVE CARDIOL 2008;20:E314–E315

Case Presentation. A 56...

Recanalization Strategy for Chronic Total Occlusions with Tapered and Stiff-Tip Guidewire

aKazuaki Mitsudo, MD, bTakehiro Yamashita, MD, cYasushi Asakura, MD, dToshiya Muramatsu, MD, eOsamu Doi, MD, fYoshisato Shibata, MD, gYoshihiro Morino, MD

Author Affiliations:

From the aDepartment of Cardiology, Kurashiki Central Hospital, Kurashiki, Japan, bDepartment of Cardiology, Cardiovascular Center Hokkaido Ohno Hospital, Sapporo, Japan, cDepartment of Cardiology, Toyohashi Heart Center, Toyohashi, Japan, dDepartment of Cardiology, Saiseikai Yokohama-City Eastern Hospital, Yokohama, Japan, eDepartment of Cardiology, Shizuoka Prefectural General Hospital, Shizuoka, Japan, fDepartment of Cardiology, Miyazaki Medical Association Hospital, Miyazaki, Japan, gDepartment of Cardiology, Tokai University School of Medicine, Isehara, Japan.
Disclosure: This study was funded by a research grant from St. Jude Medical Company.
Manuscript submitted April 15, 2008, provisional acceptance given May 12, 2008, manuscript accepted June 30, 2008.
Address for correspondence: Kazuaki Mitsudo, M.D., Department of Cardiology, Kurashiki Central Hospital, 1-1-1 Miwa, Kurashiki, Okayama, 710-8602, Japan. E-mail: km2131@kchnet.or.jp

The Results of CTO New techniQUE for STandard Procedure (CONQUEST) Trial

ABSTRACT: Background. The success rate of percutaneous coronary intervention (PCI) for chronic total coronary occlusion (CTO) lesions varies depending on the guidewire manipulation skills of the operator. The standardization of guidewire technique is very important. A new technique with a new tapered wire (Conquest, Confianza Pro™) was tested to verify effectiveness for higher initial success rates and standardization of PCI for CTO. Methods. A prospective, multicenter registry was conducted at 6 investigati...

“Bail–Out” Bivalirudin Use in Patients with Thrombotic Complications

Luigi La Vecchia, MD, FESC, Ester Cabianca, MD, Leonardo Varotto, MD, Paolo Vincenzi, MD, Alessandro Fontanelli, MD, FESC

Author Affiliations:

From the Catheterization Laboratory, S. Bortolo Hospital, Vicenza, Italy.
The authors report no conflicts of interest regarding the content herein.
Manuscript submitted April 18, 2008, provisional acceptance given May 22, 2008, and final version accepted May 28, 2008.
Address for correspondence: Ester Cabianca, MD, Catheterization Laboratory, Department of Cardiovascular Medicine, S. Bortolo Hospital, Viale Rodolfi 37, 36100 Vicenza, Italy. E-mail: cabi72@libero.it

Unresponsive to Conventional Treatment during Percutaneous Coronary Intervention

ABSTRACT: Percutaneous coronary intervention (PCI) is routinely performed in patients with non-ST elevation acute coronary syndromes after pretreatment with clopidogrel and periprocedural administration of unfractionated heparin on a weight-adjusted basis. Although activated clotting time (ACT) monitoring is encouraged to verify the adequacy of anticoagulation during the procedures, this is not a common practice in many laboratories. The Authors describe 4 cases of patients with bifurcation lesions inv...

A Prospective, Randomized Trial of Topical Hemostasis Patch Use following Percutaneous Coronary and Peripheral Intervention

*,§Craig R. Narins, MD, *Wojciech Zareba, MD, PhD, *Vicki Rocco, RN, *Scott McNitt, MS

Author Affiliations:

From the Divisions of *Cardiology and §Vascular Surgery, The University of Rochester School of Medicine and Dentistry, Rochester, New York.
Disclosure: This trial was supported by a grant from Possis Medical Inc., Minneapolis, Minnesota. The authors report no additional potential conflicts of interest.
Manuscript submitted June 30, 2008, provisional acceptance given August 8, 2007, manuscript accepted August 29, 2008.
Address for correspondence: Craig R. Narins, MD, University of Rochester Medical Center, 601 Elmwood Avenue, Box 679, Rochester, NY 14642. E-mail: craig_narins@urmc.rochester.edu

ABSTRACT: The use of topical hemostasis patches has grown rapidly despite a paucity of evidence supporting their clinical utility. We performed a randomized, controlled trial to assess the efficacy of a topical hemostasis patch as a means to accelerate vascular hemostasis following percutaneous intervention. One hundred fifty (150) patients undergoing coronary or peripheral intervention through a 6 Fr femoral arterial sheath were randomized to sheath removal with either: (1) manual pressure and adjunctive use of a patch incorporating a polysaccharide based procoagulant material (SafeSeal Patch...

Percutaneous Ventricular Assist Device To Rescue a Patient with Profound Shock From a Thrombosed Prosthetic Mitral Valve

Hemant Solomon, BSc (Hons) MRCP (UK), *D. Scott Lim, MD, Michael Ragosta, MD

Author Affiliations:

From the Department of Cardiology and the *Department of Pediatric Cardiology, University of Virginia Health System, Charlottesville, Virginia.
The authors report no conflicts of interest regarding the content herein.
Manuscript submitted March 28, 2008, provisional acceptance given May 1, 2008, and final version accepted May 2, 2008.
Address for correspondence: Michael Ragosta, MD, FSCAI, Department of Cardiology, University of Virginia Health System, Box 800158, 1215 Lee Street, Charlottesville, VA 22908.

ABSTRACT: The TandemHeart® is a percutaneous ventricular assist device that has been approved to provide hemodynamic support in high-risk patients undergoing cardiac procedures, including percutaneous coronary interventions and aortic balloon valvuloplasty. Limited data exists for its role in stabilizing cardiogenic shock secondary to prosthetic valve dysfunction. In conclusion, we report the first case, to our knowledge, of profound cardiogenic shock secondary to an acutely thrombosed mechanical mitral valve in which the use of the TandemHeart was instrumental in rescuing a critically ill yo...

Patching Up the Differences: Vascular Closure with Topical Hemostasis versus Manual Compression

Zoltan G. Turi, MD

Author Affiliations:

From the Division of Cardiology, Cooper University Hospital, Camden, New Jersey.
Disclosure: Dr. Turi reports receiving research grant support from Abbott Vascular and St. Jude Medical, and consultation/lecturing honoraria from Abbott Vascular, Arstasis, Johnson and Johnson and St. Jude Medical.
Address for correspondence: Zoltan G. Turi, MD, Professor of Medicine, Robert Wood Johnson Medical School, One Cooper Plaza, D-427, Camden, NJ 08103. E-mail: Turi-Zoltan@cooperhealth.edu

The very nice study by Narins et al described in this edition of the Journal of Invasive Cardiology compares 75 patients randomized to vascular closure using a topical patch containing a polysaccharide-based procoagulant with 75 patients randomized to manual compression.1 Although the study found that those randomized to the patch had lower time to hemostasis and ambulation, several potentially confounding factors need to be kept in consideration.

First, the vascular closure literature is replete with studies that depend on two of the softer endpoints in interventional cardiology: time to h...

A New Method to Quantify Coronary Calcification by Intravascular Ultrasound

Xiaofei Wang, MD, Chengzhi Lu, PhD, Xin Chen, MD, Xiangdong Zhao, PhD, Dasheng Xia, MD

Author Affiliations:

From the Department of Cardiology, Tianjin First Central Hospital, Tianjin Medical University, Tianjin, China.
The authors report no conflicts of interest regarding the content herein.
Manuscript submitted June 30, 2008, provisional acceptance given August 8, 2008, manuscript accepted August 29, 2008.
Address for correspondence: Xiaofei Wang, MD, Department of Cardiology, Tianjin First Central Hospital, 24 Fukang Road, Nankai District, Tianjin, 300192, China. E-mail: wxfei@yahoo.com

The Different Patterns of Calcification of Acute Myocardial Infarction, Unstable Angina Pectoris and Stable Angina Pectoris

ABSTRACT: Background. Intravascular ultrasound (IVUS) enables the identification of calcification with more details and quantification of calcification, but there is not a proper method to quantify the calcification with IVUS. Previous IVUS studies used arc or length of calcium, respectively, to quantify calcification, but calcium is determined by a combination of arc and length. We devised a new method to quantify calcium as arc area (AA) in the present study...

Intravascular Quantification of Coronary Calcification — Current and Future Utility

*Daniel H. Steinberg, MD and §Neil J. Weissman, MD

Author Affiliations:

From the *Division of Cardiology, Medical University of South Carolina, Charleston, South Carolina, and §MedStar Research Institute, Washington Hospital Center, Washington, D.C.
Disclosures: Dr. Weissman has received research grants from Boston Scientific Corp.; Dr. Steinberg has received speaker honoraria from the same.
Address for Correspondence: Neil J. Weissman, MD, Washington Hospital Center, 100 Irving Street N.W., Suite EB 5123, Washington, D.C. 20010. E-mail: Neil.J.Weissman@Medstar.net

Coronary calcification has long been known to reflect underlying atherosclerotic coronary artery disease. In fact, the presence of coronary calcification has become an important component of screening for coronary artery disease and the extent of calcification on electron beam computed tomography has been shown to correlate with prediction of future cardiovascular events.1,2

Intravascular ultrasound (IVUS), by virtue of its ability to image at high resolution, allows not only assessment of the location of coronary calcification, but also the number, depth, arc and length of calcified plaque...

“Hybrid” Stent Delivery in the Pulmonary Circulation

*,§Ralf J. Holzer, MD MSc, *,§Joanne L. Chisolm, RN, *,§Sharon L. Hill, MSN ACNP,
*Vincent Olshove, CCP CCT, *,£Alistair Phillips, MD, *,§John P. Cheatham, MD, *,£Mark Galantowicz, MD

Author Affiliations:

From the *Heart Center, Nationwide Children’s Hospital, Columbus, Ohio, the §Department of Pediatrics, Ohio State University School of Medicine, Columbus, Ohio, and the £Department of Cardiothoracic Surgery, Ohio State University School of Medicine, Columbus, Ohio.
Disclosure: John Cheatham is a consultant for Toshiba Medical. None of the other authors report any conflicts of interest related to the content herein.
Manuscript submitted May 27, 2008, provisional acceptance given August 8, 2008, manuscript accepted September 5, 2008.
Address for correspondence: Ralf J. Holzer, MD, MSc, FSCAI, Assistant Director, Cardiac Catheterization & Interventional Therapy, Assistant Professor of Pediatrics, Cardiology Division, The Ohio State University, The Heart Center, Nationwide Children's Hospital, 700 Children's Drive, Columbus, OH 43205. E-mail: Ralf.Holzer@NationwideChildrens.org

ABSTRACT: Objective. To describe our institutional experience providing “hybrid” intraoperative stent therapy for pulmonary artery (PA) stenoses. Background. Surgical patch angioplasty, transcatheter stent therapy and intraoperative stent delivery are valuable treatment options for PA stenoses. The experience with intraoperative hybrid therapy has increased and new techniques and equipment have become available. Methods. This study involves a retrospective review of 20 patients with a median age of 5.1 years who underwent hybrid PA stent therapy between March 2003 and April 2008. Thirteen ...

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