Paravertebral dexmedetomidine as an adjuvant to ropivacaine protects against independent lung injury during one-lung ventilation: A preliminary randomized clinical trial

To investigate the effect of paravertebral dexmedetomidine as an adjuvant to ropivacaine on independent lung injury during one-lung ventilation. Methods: In total, 120 patients who underwent elective radical resection of pulmonary carcinoma were randomly assigned to one of six groups.