Fig. 7From: To evaluate the analgesic effectiveness of bilateral erector spinae plane block versus thoracic epidural analgesia in open cardiac surgeries approached through midline sternotomyTemporal trend of post-extubation VAS score during spirometry (VASS). (VASS = visual analogue scale with spirometry; ESP = Group ESP; TEA = Group TEA; h = post-extubation hours)Back to article page