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논문 기본 정보

자료유형
학술저널
저자정보
Keisuke Sugahara (Department of Oral Pathobiological Science and Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho) Yu Koyama (Department of Oral Pathobiological Science and Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho) Masahide Koyachi (Department of Oral Pathobiological Science and Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho) Akira Watanabe (Department of Oral and Maxillofacial Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho Chiyoda-k) Kiyohiro Kasahara (Department of Oral Pathobiological Science and Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho) Masayuki Takano (Department of Oral and Maxillofacial Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho Chiyoda-k) Akira Katakura (Department of Oral Pathobiological Science and Surgery Tokyo Dental College 2-9-18 Kanda Misaki-cho)
저널정보
대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제44권
발행연도
2022.1
수록면
1 - 6 (6page)
DOI
https://doi.org/10.1186/s40902-022-00336-8

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AbstractBackground: Excessive bleeding is a major intraoperative risk associated with orthognathic surgery. This studyaimed to investigate the factors involved in massive bleeding during orthognathic surgeries so that safe surgeriescan be performed. Patients (n=213) diagnosed with jaw deformities and treated with bimaxillary orthognathicsurgery (Le Fort I osteotomy and bilateral sagittal split ramus osteotomy) in the Department of Oral andMaxillofacial Surgery at the Suidobashi Hospital, Tokyo Dental College between January 2014 and December 2016were included. Using the patients’ medical and operative records, the number of cases according to sex, age at thetime of surgery, body mass index (BMI), circulating blood volume, diagnosis of maxillary deformity, direction ofmaxillary movement, operative duration, incidence of bad split, injury of nasal mucosa, and blood type were analyzed.Results: The results revealed that BMI, circulating blood volume, nasal mucosal injury, and operative time wereassociated with the risk of intraoperative massive bleeding in orthognathic surgeries. Chi-square tests and binomiallogistic regression analyses showed significant differences in BMI, circulating blood volume, direction of maxillarymovement, operative duration, and injury to the nasal mucosa. Operative duration emerged as the most important riskfactor. Furthermore, a >4-mm upward migration of the posterior nasal spine predicted the risk of massive bleeding inorthognathic surgery.Conclusions: The upward movement of the maxilla should be recognized during the preoperative planning stage as arisk factor for intraoperative bleeding, and avoiding damage to the nasal mucosa should be considered a requirementfor surgeons to prevent massive bleeding during surgery

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