Fig. 1From: Thoracic paravertebral block for perioperative lung preservation during VATS pulmonary surgery: study protocol of a randomized clinical trialCONSORT flow diagram. VATS, video-assisted thoracoscopic; SpO2, pulse oxygen saturation; LUS, lung ultrasound; POD, postoperative day; NRS, numeric rating scale; QoR-15, quality of recovery with 15 itemsBack to article page