Home Cardiology Fondaparinux Found to Effectively Treat NSTEMI

Fondaparinux Found to Effectively Treat NSTEMI

Swedish researchers find fondaparinux is effective, and reduces bleeding risk versus heparin

TUESDAY, Feb. 17, 2015 (HealthDay News) — In a new study, patients who received fondaparinux to treat non-ST-segment elevation myocardial infarction (NSTEMI) had a lower risk of major bleeding and death compared to patients who received low-molecular-weight heparin (LMWH). The findings were published in the Feb. 17 issue of the Journal of the American Medical Association.

Karolina Szummer, M.D., Ph.D., of the Karolinska Institute in Stockholm, and colleagues analyzed the medical records of 40,616 Swedish patients who had heart attacks classified as NSTEMIs between September 2006 and June 2010. In this study, 36.4 percent of Swedish patients received fondaparinux and 63.6 percent received LMWH.

The investigators found that fewer severe in-hospital bleeding events occurred in patients treated with fondaparinux — 1.1 percent compared with 1.8 percent for patients given LMWH. The fondaparinux patients also died less often during treatment in the hospital — 2.7 percent of all cases compared with 4 percent for the LMWH group. The differences in major bleeding events and death between the two treatments held steady at 30-day and six-month follow-ups. The rate of recurrent heart attack in the fondaparinux group was 9 percent versus 9.5 percent in the LMWH group at 30 days, and 14.2 percent versus 15.8 percent at six months. The rate of stroke was low in both groups.

These findings, drawn from a large Swedish health records database, confirm the results of a 2006 clinical trial that showed that fondaparinux could be used to safely and effectively treat these types of heart attacks, Szummer told HealthDay. She also pointed out that European and American cardiology guidelines already recommend fondaparinux for treating heart attacks, even though the U.S. Food and Drug Administration has not approved it for that use.

Several authors disclosed financial ties to pharmaceutical companies, including GlaxoSmithKline, which manufactures fondaparinux.

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