Fig. 2From: A comparison of heparinised and non-heparinised normal saline solutions for maintaining the patency of arterial pressure measurement cannulae after heart surgeryThe heparin group had higher levels of APTT during the period from T0 to T48, compared with the NS group (P = 0.01). T0: At the end of surgery, T6: At the 6th hour after surgery, T12: At the 12th hour after surgery, T24: At the 24th hour after surgery, T48: At the 48th hour after surgeryBack to article page