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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Effects of ultrasound-guided paravertebral block on MMP-9 and postoperative pain in patients undergoing VATS lobectomy: a randomized, controlled clinical trial

Fig. 2

Postoperative pain scores at rest. Pain was assessed by the use of a VAS ranging from 0 to 10 at 1, 4, 24, 48 h after surgery for PVB patients (black bar) and GA patients (gray bar), respectively. VAS scores at rest at 4, 24 h after lobectomy were significantly lower in the PVB group than in the GA group. *Statistical significance (P < 0.05). Data are expressed as mean ± standard deviation. VAS = visual analogue scale; PVB = paravertebral block; GA = general anesthesia

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BMC Anesthesiology

ISSN: 1471-2253

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