Effectiveness of Heparin during Long-Term Tocolysis

Figure 1

Dose of heparin needed for treatment. The figure shows the procedure of this study. All the patients needed tocolysis can be entry for this study. During two-week observation period, if PVC exchange frequency reaches over 5 times, heparin is induced to the patients. Study parameters are peripheral venous Catheter exchange frequency, Visual analogue scale and side effect of heparin.