• Heejoon Jeong, Ji Won Choi, Hyun Joo Ahn, Jisun Choi, and Joo Hyun Park.
• Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
• J. Cardiothorac. Vasc. Anesth. 2021 Feb 1; 35 (2): 565-570.

ObjectivePleural adhesion makes video-assisted thoracoscopic surgery (VATS) an arduous procedure and can increase postoperative pain from accompanying adhesiolysis. For the present study, the feasibility of lung ultrasonography for the prediction of pleural adhesions and postoperative pain in VATS was investigated.DesignBlinded, prospective, observational study.SettingTertiary teaching hospital, Seoul, South Korea.ParticipantsSixty patients (American Society of Anesthesiologists physical status I to III) scheduled to undergo VATS were assessed for eligibility. After exclusions, 53 patients were enrolled and followed-up.InterventionsNone.Measurements And Main ResultsPatients were evaluated with lung ultrasonography during deep spontaneous respiration before induction of anesthesia, and surgeons confirmed the presence of pleural adhesions during the surgery. Pain was evaluated using a numeric rating scale and by the amount of opioid consumption until 24 hours postoperatively. Lung ultrasonography showed acceptable predictability of pleural adhesions, with the area under the receiver operating characteristic curve (0.75, 95% confidence interval [CI] 0.67-0.83) and high specificity (0.97, 95% CI 0.91-0.99) but low sensitivity (0.53, 95% CI 0.38-0.68). The pain score was not different between sonographic adhesion (+) and (-) groups; however, the sonographic adhesion (+) group consumed more opioids until 24 hours postoperatively (fentanyl 675 [558-805] μg v 420 [356-476] μg; p < 0.001).ConclusionsLung ultrasonography may help with planning postoperative pain management in VATS; however, it was a better tool for ruling out rather than detecting pleural adhesions.Copyright © 2020 Elsevier Inc. All rights reserved.

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