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자료유형
학술저널
저자정보
김지영 (연세대학교) 고재철 (고려대학교) 홍정화 (국립건강보험 일산병원 정책연구부) 권태동 (연세대학교) 박주연 (부산대학교 의과대학 마취통증의학과) 고은지 (고려대학교)
저널정보
대한마취통증의학회(구 대한마취과학회) Anesthesia and Pain Medicine Anesthesia and Pain Medicine Vol.14 No.2
발행연도
2019.1
수록면
187 - 192 (6page)

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Background: Aeration of the lungs must be monitored during general anesthesia because of the possibility of postsurgical pulmonary complications. The aim of this study was to compare PaO2/FiO2 and the number of regions with B-line on transthoracic lung ultrasonography (TLU) between the postinduction and postsurgical periods. Methods: Twenty-six adult patients undergoing major abdominal surgery were enrolled. Arterial blood gas analysis and TLU were performed 30 min after the induction of anesthesia (postinduction) and after skin closure (postsurgical period) while patients were under mechanical ventilation. TLU was performed in 12 regions (anterior, lateral, and posterior in the upper and lower regions of both lungs). The number of regions with Bline was counted. Results: Compared with postinduction values, the number of regions with B-line on TLU was increased in the postsurgical period (0.3 ± 0.5 to 1.3 ± 1.2, P < 0.001); however, PaO2/FiO2 did not significantly differ (421.3 ± 95.8 to 425.2 ± 86.0, P = 0.765). The change in PaO2/FiO2 (postinduction-postsurgical period) was significantly higher in Group B than in Group A (P = 0.028). Conclusions: Although the number of regions with B-line on TLU was increased in the postsurgical period, lung oxygenation did not differ, based on the main assessment in this study. In contrast, patients with an increased number of regions with B-line tended to show a reduction in PaO2/FiO2 during the postsurgical period. Further study seems necessary to establish the number of regions with B-line on TLU as a tool for evaluation of perioperative oxygenation.

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