English, Article edition: Cost Effectiveness of Ibutilide With Prophylactic Magnesium in the Treatment of Atrial Fibrillation Craig I. Coleman; James S. Kalus; C. Michael White; ...

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Physical Description
  • article
Language
  • English

Edition details

Title
  • Cost Effectiveness of Ibutilide With Prophylactic Magnesium in the Treatment of Atrial Fibrillation
Author
  • Craig I. Coleman
  • James S. Kalus
  • C. Michael White
  • Anne P. Spencer
  • James P. Tsikouris
  • Jenny O. Chung
  • Kenneth W. Kenyon
  • Martin Ziska
  • Jeffrey Kluger
  • Prabashni Reddy
Physical Description
  • article
Notes
  • Background: In the Treatment with Ibutilide and Magnesium Evaluation (TIME) study, a retrospective multicentre cohort trial, prophylactic magnesium was found to improve the antiarrhythmic efficacy of ibutilide as demonstrated by an increase in the rate of successful chemical conversion and reduction in the need for direct current cardioversion (DCC). Objective: The primary objective of this piggyback cost-effectiveness analysis of the TIME study was to compare the cost per successful conversion of atrial fibrillation (AF) for ibutilide in the presence and absence of magnesium prophylaxis. A secondary objective was to determine whether specific factors predict costs in the conversion of AF. Method: The study was conducted from the US hospital-payer perspective. Direct medical costs ($US, 2002 values) including drugs, intravenous admixture and administration, DCC, electrocardiographs and physicians Results: Total costs per patient were lower in the ibutilide plus magnesium group compared with ibutilide alone ($US1075 vs $US1201); however, the difference was not statistically significant (p =​ 0.116). Patients receiving ibutilide plus magnesium had lower DCC costs compared with those receiving ibutilide alone ($US261 vs $US399; p =​ 0.036), but higher magnesium-associated costs ($US0.50 vs $US0; p < 0.001). Bootstrapping revealed that the ibutilide plus magnesium strategy would result in lower costs and greater efficacy 93.4% of the time. These results remained robust to changes in both cost and efficacy. No baseline factors were found to be independent predictors of total costs. Conclusion: Our data suggest that adding prophylactic magnesium to ibutilide may be cost effective, from a US hospital-payer perspective, for the acute conversion of patients in AF or flutter compared with ibutilide alone.
  • Antiarrhythmics, Atrial-fibrillation, Cost-effectiveness, Ibutilide, Magnesium
  • RePEc:wkh:phecon:v:22:y:2004:i:13:p:877-883
Language
  • English
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