W
William D. Knopf
Researcher at St. Joseph Hospital
Publications - 9
Citations - 433
William D. Knopf is an academic researcher from St. Joseph Hospital. The author has contributed to research in topics: Session (computer science) & Interleukin 6. The author has an hindex of 5, co-authored 9 publications receiving 423 citations.
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Journal ArticleDOI
A multicenter randomized trial comparing a percutaneous collagen hemotasis device with conventional manual compression after diagnostic angiography and angioplasty
Timothy A. Sanborn,Harry H. Gibbs,Jefrey A. Brinker,William D. Knopf,Edward J. Kosinski,Gary S. Roubin +5 more
TL;DR: A new percutaneous collagen he mostasis device can significantly reduce the puncture site hemostasis time and the time to ambulation without significantly increasing the risk of peripheral vascular complications.
Journal ArticleDOI
Percutaneous transmyocardial laser revascularisation for severe angina: the PACIFIC randomised trial
Stephen N. Oesterle,Timothy A. Sanborn,Nadir Ali,Jon R. Resar,Stephen R. Ramee,Richard R. Heuser,Larry S. Dean,William D. Knopf,Peter R. Schofield,Gary L. Schaer,Guy S. Reeder,Ronald Masden,Alan C. Yeung,Daniel Burkhoff +13 more
TL;DR: Although there is controversy about the mechanism of action, and the contribution of the placebo effect cannot be quantified, this unmasked study suggests that this palliative procedure provides some clinical benefits in the defined population of patients.
Journal ArticleDOI
The 6Fr Angio-Seal arterial closure device: results from a multimember prospective registry.
Samir R. Kapadia,Russell E. Raymond,William D. Knopf,Stephen Jenkins,Anthony T. Chapekis,Gary M. Ansel,Donald Rothbaum,William G. Kussmaul,Paul S. Teirstein,Mark Reisman,Paul N. Casale,Lynn Oster,Conrad Simpfendorfer +12 more
TL;DR: The safety and efficacy data of the 6Fr Angio-Seal device are summarized and the potential benefits and risks to the patients are summarized.
Journal ArticleDOI
One-year results of percutaneous myocardial revascularization for refractory angina pectoris
Patrick L. Whitlow,Samuel J. Demaio,Emerson C. Perin,William W. O'Neill,John M. Lasala,Joel E. Schneider,Lou S. McKeever,Ari M. Ezratty,William D. Knopf,Eric R. Powers,Fayaz A. Shawl +10 more
TL;DR: Coronary vasospasm induced during isoproterenol head-up tilt test in patients with acute coronary syndrome and insignificant coronary artery disease is reported to be a possible cause of elevated troponin I.