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자료유형
학술저널
저자정보
박정욱 (Department of Anesthesiology and Pain Medicine Chosun University Hospital Gwangju KoreaDepartment o) 정기태 (Department of Anesthesiology and Pain Medicine Chosun University Hospital Gwangju KoreaDepartment o) 기영준 (Department of Anesthesiology and Pain Medicine Chosun University Hospital Gwangju KoreaDepartment o) Kim Sang Hun (Department of Anesthesiology and Pain Medicine Chosun University Hospital Gwangju KoreaDepartment o)
저널정보
조선대학교 의학연구원 Medical Biological Science and Engineering Medical Biological Science and Engineering Vol.4 No.2
발행연도
2021.1
수록면
98 - 105 (8page)

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Lung ultrasound can be used to assess adequate regional ventilation, similar to auscultation. Therefore, we evaluated whether the diagnostic accuracy of lung ultrasound was superior to that of auscultation in the assessment of proper double lumen tube (DLT) position, which were performed by anesthetic trainees. We conducted a single-center, prospective study of 69 patients. DLT insertion, auscultation, lung ultrasound, and fiberoptic bronchoscopy were sequentially conducted in the same patients in the supine and lateral positions. During lung ultrasound, the proper DLT position was defined when the lung pulse and barcode sign were visible on the non-ventilated lung, and lung sliding and seashore sign were observed in the ventilated lung. Fiberoptic bronchoscopy was performed for final verification of the DLT position as a standard test. Contingency tables were plotted to determine accuracy, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) for each method. The primary outcome of this study was the accuracy of each method. Accuracy (60.9%), sensitivity (100%), specificity (12.9%), PPV (58.5%), and NPV (100%) of ultrasound were equal to those of auscultation in the supine position. Accuracy (89.9%), sensitivity (100%), specificity (36.4%), PPV (89.2%), and NPV (100%) of ultrasound were equal to that of auscultation in the lateral position. The prevalence of proper lung isolation was 55.1% in the supine position, and it increased to 84.1% in the lateral position. Lung ultrasound is not superior to auscultation for determination of the proper DLT position in both the supine and lateral positions.

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