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The 15° reverse Trendelenburg position can improve visualization without impacting cerebral oxygenation in endoscopic sinus surgery—A prospective, randomized study

医学 麻醉 充氧 外科
作者
Wenjing Yang,Guyan Wang,He Li,Yan Xing,Yaoyao Ren,Yue Wang,Haili Hu,Xiaoli Song,Ying Wan,Chengshuo Wang,Hongfei Lou,Qian Huang,Xiangdong Wang,Luo Zhang
出处
期刊:International Forum of Allergy & Rhinology [Wiley]
卷期号:11 (6): 993-1000 被引量:12
标识
DOI:10.1002/alr.22734
摘要

Background In this study we compared intraoperative bleeding and regional cerebral oxygenation in patients with different degrees of the reverse Trendelenburg position (RTP) during endoscopic sinus surgery (ESS). Methods In total, 120 patients with chronic rhinosinusitis treated by ESS were randomly assigned to the following 4 groups: a horizontal position (HP) group, and 5°, 10°, and 15° RTP (5‐RTP, 10‐RTP, and 15‐RTP, respectively) groups. The primary outcome was the Boezaart grading scale (BS). The cerebral oxygen saturation (ScO 2 ), total blood loss, numerical rating scale (NRS) scores, and complications were also recorded. Results The median BS values in the HP, 5‐RTP, 10‐RTP, and 15‐RTP groups were 2.0, 2.0, 2.1, and 1.7, respectively. Multiple pairwise comparisons of the BS showed significant differences between the 15‐RTP group and the other 3 groups (HP, 5‐RTP, and 10‐RTP). Regarding the NRS and bleeding rate, significant differences were found between the HP and 15‐RTP groups. No difference was found in ScO 2 among the 4 groups, and no cerebral desaturation events occurred in any group. No complications, including vital organ (heart, brain, and kidney) dysfunction problems, were reported in this study during hospitalization. Conclusion Compared with HP, 5‐RTP, and 10‐RTP, 15‐RTP can improve visual clarity during ESS, and ScO 2 is not affected by the degree of RTP. No cerebral deoxygenation or vital organ dysfunction was observed in this study. Therefore, we recommend 15‐RTP with moderate deliberate hypotension for ESS.
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