The use of an indwelling Teflon catheter for subcutaneous heparin administration during pregnancy. A randomized crossover study.

BACKGROUND: The use of subcutaneous heparin, the therapy of choice for women requiring anticoagulant prophylaxis during pregnancy, is problematic because of the discomfort produced by repeated injections. An indwelling subcutaneous Teflon catheter that can be left in place for 1 week recently became available for use as an entry port for parenteral therapy. Since the use of this catheter has the potential to overcome some of the problems of …