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  • 1
    ISSN: 1540-8183
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The past decade has been characterized by increased scrutiny of outcomes of surgical and percutaneous coronary interventions (PCIs). This increased scrutiny has led to the development of regional, state, and national databases for outcome assessment and for public reporting. This report describes the initial development of a regional, collaborative, cardiovascular consortium and the progress made so far by this collaborative group. In 1997, a group of hospitals in the state Michigan agreed to create a regional collaborative consortium for the development of a quality improvement program in interventional cardiology. The project included the creation of a comprehensive database of PCIs to be used for risk assessment, feedback on absolute and risk-adjusted outcomes, and sharing of information. To date, information from nearly 20,000 PCIs have been collected. A risk prediction tool for death in the hospital and additional risk prediction tools for other outcomes have been developed from the data collected, and are currently used by the participating centers for risk assessment and for quality improvement. As the project enters into year 5, the participating centers are deeply engaged in the quality improvement phase, and expansion to a total of 17 hospitals with active PCI programs is in process. In conclusion, the Blue Cross Blue Shield of Michigan Cardiovascular Consortium is an example of a regional collaborative effort to assess and improve quality of care and outcomes that overcome the barriers of traditional market and academic competition.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7241
    Keywords: Clinical trials ; ventricular premature depolarizations ; procainamide-twice daily formulation ; antiarrhythmic ; Procanbid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Procainamide is a class IA antiarrhythmic drug indicated for the treatment of life-threatening or symptomatic ventricular arrhythmias. The current sustained-release formulation requires 6-hour dosing (qid). To improve patient compliance, a new sustained-release formulation for twice-daily (bid) administration has been developed (Procanbid, Parke-Davis). This study assesses the pharmacologic equivalence of the bid and qid formulations in the suppression of symptomatic ventricular premature depolarizations (VPDs). Fourteen centers enrolled a total of 99 patients with frequent symptomatic VPDs (average ≥20 VPDs/hr) who previously responded to and tolerated the procainamide qid formulation. During the first week of the double-blind phase, patients were randomized to either placebo or procainamide dosages of 1000, 2000, or 4000 mg/d (bid or qid formulations). In the second week, the patients were crossed over to the alternate formulation. Seventy-seven patients qualified for the primary activity analysis. The bid and qid formulations showed comparable effectiveness in the suppression of mean VPDs with a linear dose-response relationship. The VPD suppression was not attenuated towards the end of the dosing interval for either formulation. Sixty-eight of these patients entered an optional 1-year extension to receive the bid formulation. Thirty-seven (54%) patients had adverse effects. Of those, 15 (22%) had side effects considered treatment related. Most of the adverse events occurred during the first 6 weeks of treatment. Only a few patients (8%) withdrew as a consequence of treatment with the bid formulation. The overall safety profile of the bid formulation was similar to other formulations, and the procainamide bid formulation has a low proarrhythmic rate (`3%). In conclusion, the effectiveness of the twice-daily formulation of procainamide in the suppression of VPDs is comparable to the currently available qid formulation.
    Type of Medium: Electronic Resource
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