A randomized trial comparing heparin initiation 6 h or 24 h after pacemaker or defibrillator implantation
Gregory F. Michaud, MDa,
Frank Pelosi, Jr., MDa,
Matthew D. Noble, BSa,
Bradley P. Knight, MDa,
Fred Morady, MD, FACCa and
S. Adam Strickberger, MD, FACCa
a Division of Cardiology, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
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Figure 1 Kaplan-Meier analysis showing a statistically significant difference in freedom from pocket hematoma formation among patients treated with heparin, warfarin or no anticoagulation postoperatively (p < 0.0001).
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