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The effect of oxygen concentration on atelectasis formation during induction of general anesthesia in children: A prospective randomized controlled trial

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dc.contributor.author김현일-
dc.contributor.author변효진-
dc.contributor.author이정림-
dc.date.accessioned2021-12-28T17:38:55Z-
dc.date.available2021-12-28T17:38:55Z-
dc.date.issued2021-10-
dc.identifier.issn1155-5645-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/187203-
dc.description.abstractBackground: In adults, the use of lower oxygen concentration during induction is associated with less atelectasis formation without an increase in incidence of hypoxia. However, it is unknown whether this remains true in the pediatric patients. Methods: Fifty-four pediatric patients who were scheduled to undergo elective lower abdominal surgery were randomized to one of three oxygenation groups: 100%, 80%, or 60% oxygen (in air). During anesthesia induction, patients were ventilated with sevoflurane in 100%, 80%, or 60% oxygen. Endotracheal intubation and mechanical ventilation were performed. Atelectasis was diagnosed using LUS, which was performed after anesthetic induction and at the end of surgery. Results: We assessed atelectasis after anesthetic induction and at the end of surgery. After anesthetic induction, the number of atelectatic lung regions was significantly different among the three groups (median [IQR], 2.0 [1.0-2.5], 2.0 [1.0-2.8], and 3.0 [2.0-3.0] in the 60%, 80%, and 100% oxygen groups, p = .033) and between the 60% and 100% groups (p = .015), but not between 80% and 100% groups (p = .074). However, no differences in the number of atelectatic lung regions were found among the three groups at the end of surgery (2.0 [1.3-3.8], 3.0 [1.8-3.0], and 4.0 [2.0-4.0] in the 60%, 80%, and 100% oxygen groups; p = .169). Conclusion: Lower oxygen concentration during anesthetic induction is associated with less atelectasis formation immediately after anesthetic induction in children. In addition, applying 80% oxygen instead of 100% oxygen is not enough to prevent atelectasis formation, and 60% oxygen should be applied to prevent atelectasis. However, this effect does not last until the end of surgery.-
dc.description.statementOfResponsibilityrestriction-
dc.languageEnglish-
dc.publisherArnette-Blackwell-
dc.relation.isPartOfPEDIATRIC ANESTHESIA-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.titleThe effect of oxygen concentration on atelectasis formation during induction of general anesthesia in children: A prospective randomized controlled trial-
dc.typeArticle-
dc.contributor.collegeCollege of Medicine (의과대학)-
dc.contributor.departmentDept. of Anesthesiology and Pain Medicine (마취통증의학교실)-
dc.contributor.googleauthorHyun Il Kim-
dc.contributor.googleauthorJi Young Min-
dc.contributor.googleauthorJeong-Rim Lee-
dc.contributor.googleauthorChoi Kwan Woong-
dc.contributor.googleauthorMatthew R Cho-
dc.contributor.googleauthorHyo-Jin Byon-
dc.identifier.doi10.1111/pan.14304-
dc.contributor.localIdA04738-
dc.contributor.localIdA01863-
dc.contributor.localIdA03098-
dc.relation.journalcodeJ02478-
dc.identifier.eissn1460-9592-
dc.identifier.pmid34614266-
dc.identifier.urlhttps://onlinelibrary.wiley.com/doi/10.1111/pan.14304-
dc.subject.keywordanesthesia-induced atelectasis-
dc.subject.keywordoxygen concentration-
dc.subject.keywordpediatrics-
dc.subject.keywordultrasonography-
dc.contributor.alternativeNameKim, Hyun Il-
dc.contributor.affiliatedAuthor김현일-
dc.contributor.affiliatedAuthor변효진-
dc.contributor.affiliatedAuthor이정림-
dc.citation.volume31-
dc.citation.number12-
dc.citation.startPage1276-
dc.citation.endPage1281-
dc.identifier.bibliographicCitationPEDIATRIC ANESTHESIA, Vol.31(12) : 1276-1281, 2021-10-
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers

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