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Predictors of Blood Loss During Orthognathic Surgery and the Need for Pre-Deposit Autologous Blood Donation

Authors
 Jin-Kyu Kim  ;  Jun-Young Kim  ;  Jin Hoo Park  ;  Hwi-Dong Jung  ;  Young-Soo Jung 
Citation
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.33(4) : 1162-1165, 2022-06 
Journal Title
JOURNAL OF CRANIOFACIAL SURGERY
ISSN
 1049-2275 
Issue Date
2022-06
Keywords
Estimated intraoperative blood loss ; orthognathic surgery ; pre-deposit autologous blood donation ; predictors ; relative blood loss
Abstract
The aim of this study was to identify the clinicolaboratory predictors of relative blood loss (RBL) during orthognathic surgery and determine the need for predeposit autologous blood donation (PABD) for the surgery. Using a retrospective study design, 297 patients who underwent bimaxillary orthognathic surgery between 2016 and 2020 were enrolled. To investigate patient-specific risk factors, we calculated the allowable blood loss (ABL) for each patient and RBL as the ratio of estimated intraoperative blood loss (EiBL) to ABL. The correlations between the clinico-laboratory variables and EiBL and RBL were analyzed using stepwise multivariate regression analysis, and independent t test and one-way ANOVA were performed.

There was no significant difference in transfusion rate between the PABD group (N = 202/279) and non-PABD group (N = 77/279) (P= 0.052). Sex (P< 0.001), body mass index class (P= 0.001), operative time (P < 0.001), and baseline hematocrit (P < 0.001) were significant predictors of EIBL and RBL. EIBL exceeded ABL in only 2 patients. The significant factors of RBL in orthognathic surgery were hematocrit, body mass index, and operative time. Clinicians should be more careful about bleeding in patients with low baseline hematocrit level or high body mass index, or those expected to undergo prolonged surgeries owing to a complicated surgical plan. The need for PABD before orthognathic surgery is low.
Full Text
https://journals.lww.com/jcraniofacialsurgery/Fulltext/2022/06000/Predictors_of_Blood_Loss_During_Orthognathic.41.aspx
DOI
10.1097/SCS.0000000000008410
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jun-Young(김준영) ORCID logo https://orcid.org/0000-0002-6596-6135
Kim, Jin-Kyu(김진규)
Park, Jin Hoo(박진후) ORCID logo https://orcid.org/0000-0003-2337-9554
Jung, Young Soo(정영수) ORCID logo https://orcid.org/0000-0001-5831-6508
Jung, Hwi Dong(정휘동) ORCID logo https://orcid.org/0000-0003-1025-8323
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189540
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