BLOODLOSS AND TRANSFUSION NEED IN ORTHOGNATHIC SURGERY: REVIEW OF LITERATURE

What is it about?

Background: Blood loss during orthognathic surgery has gained renewed interest due to the omission of surgical final splints in bimaxillary surgery, which increased operative time, while orthognathic surgery is increasingly indicated for the treatment of the obstructive sleep apnea syndrome (OSAS). OSAS subjects are usually older with more medical comorbidity which requires blood transfusion. Objective: To review (reported) blood loss and transfusion practice in orthognathic surgery in the literature published between 1976 and 2012 and to compare these data with more recent developments. The relationship between the duration of the surgery and the related blood loss and/or transfusion was examined. Data Sources: The 1976-2012 orthognathic literature was searched to determine the relationship between the duration of the surgery and the related blood loss and/or transfusion. Study Selection: Articles containing clear information on the operation time, blood loss, transfusion, and orthognathic surgery were included. Data Extraction: Information on the operation time, blood loss, transfusion, and orthognathic surgery was extracted. Data Synthesis: Different descriptions of procedures and techniques are grouped together in a concise and coherent way, resulting in a number of categories per label. Using this grouping various targeted questions are exploited and answered. Keywords: orthognathic surgery, blood loss, operation time, blood transfusion.

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