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Institution

Arizona Heart Institute

HealthcarePhoenix, Arizona, United States
About: Arizona Heart Institute is a healthcare organization based out in Phoenix, Arizona, United States. It is known for research contribution in the topics: Stent & Angioplasty. The organization has 215 authors who have published 348 publications receiving 23059 citations.


Papers
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Journal ArticleDOI
TL;DR: In selected patients, placement of an intracoronary stent, as compared with balloon angioplasty, results in an improved rate of procedural success, a lower rate of angiographically detected restenosis, a similar rate of clinical events after six months, and a less frequent need for revascularization of the original coronary lesion.
Abstract: Background Coronary-stent placement is a new technique in which a balloon-expandable, stainless-steel, slotted tube is implanted at the site of a coronary stenosis. The purpose of this study was to compare the effects of stent placement and standard balloon angioplasty on angiographically detected restenosis and clinical outcomes. Methods We randomly assigned 410 patients with symptomatic coronary disease to elective placement of a Palmaz-Schatz stent or to standard balloon angioplasty. Coronary angiography was performed at base line, immediately after the procedure, and six months later. Results The patients who underwent stenting had a higher rate of procedural success than those who underwent standard balloon angioplasty (96.1 percent vs. 89.6 percent, P = 0.011), a larger immediate increase in the diameter of the lumen (1.72 ±0.46 vs. 1.23 ±0.48 mm, P<0.001), and a larger luminal diameter immediately after the procedure (2.49 ±0.43 vs. 1.99 ±0.47 mm, P<0.001). At six months, the patients with stented ...

4,300 citations

Journal ArticleDOI
TL;DR: Patients with New York Heart Association class II or III heart failure and left ventricular ejection fractions of 35 percent or less in normal sinus rhythm who were clinically stable while receiving digoxin, diuretics, and an angiotensin-converting-enzyme inhibitor were studied.
Abstract: Background. Although digoxin is effective in the treatment of patients with chronic heart failure who are receiving diuretic agents, it is not clear whether the drug has a role when patients are receiving angiotensin-converting-enzyme inhibitors, as is often the case in current practice. Methods. We studied 178 patients with New York Heart Association class II or III heart failure and left ventricular ejection fractions of 35 percent or less in normal sinus rhythm who were clinically stable while receiving digoxin, diuretics, and an angiotensin-converting-enzyme inhibitor (captopril or enalapril). The patients were randomly assigned in a double-blind fashion either to continue receiving digoxin (85 patients) or to be switched to placebo (93 patients) for 12 weeks

672 citations


Authors

Showing all 215 results

NameH-indexPapersCitations
Stephen G. Ellis12765565073
Michael R. Jaff8244228891
Jürgen Meyer5723511865
Christopher P. Appleton5010827827
Edward B. Diethrich482448735
Richard A. Schatz4210612928
Sheldon Goldberg4214112000
Andrew W. Gardner42837320
Gerald Dorros411297630
Hani Shennib401086132
Raimund Erbel391945450
Boris Yoffe301033369
Alexander Kulik30863057
Venkatesh G. Ramaiah29802834
Richard R. Heuser281218946
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20181
20173
20164
20151
20142
20131