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KMID : 1189320180120050880
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Asian Spine Journal
2018 Volume.12 No. 5 p.880 ~ p.886
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Does Recombinant Human Bone Morphogenic Protein 2 Affect Perioperative Blood Loss after Lumbar and Thoracic Spinal Fusion?
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Wanderman Nathan Robert
Carlson Bayard
Robinson William
Bydon Mohamad
Yaszemski Michael
Huddleston Paul
Freedman Brett A.
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Abstract
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Study Design: Retrospective cohort design.
Purpose: This study aimed to determine whether recombinant human bone morphogenic protein 2 (rhBMP-2) reduces total perioperative blood loss during lumbar and thoracic fusion.
Overview of Literature: Previous studies on rhBMP-2 versus iliac crest bone grafting in thoracic and lumbar fusions have yielded mixed results regarding reductions in blood loss and have largely neglected the postoperative period when analyzing total blood loss. Additionally, these studies have been limited by heterogeneity and sample size.
Methods: We analyzed the blood loss patterns of 617 consecutive adult patients undergoing lumbar and/or thoracic fusions requiring subfascial drain placement at a single institution from January 2009 to December 2016. Patients were divided into BMP and non-BMP cohorts, and a propensity score analysis was conducted to account for the differences between cohorts.
Results: At a per-level fused basis, the BMP group exhibited a significant reduction in the intraoperative (66.1 mL per-level fused basis; 95% confidence interval [CI], 127.9 to 4.25 mL; p=0.036) and total perioperative blood loss (100.7 mL per-level fused basis; 95% CI, 200.9 to 0.5 mL; p=0.049). However, no significant differences were observed in an analysis when not controlling for the number of levels or when examining the postoperative drain output.
Conclusion: RhBMP-2 appears to reduce both intraoperative and total blood loss during lumbar and thoracic fusions on a per-level fused basis. This total reduction in blood loss was achieved via intraoperative effects because RhBMP-2 had no significant effect on the postoperative drain output.
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KEYWORD
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Lumbar fusion, Recombinant human bone morphogenic protein, Iliac crest bone graft, Perioperative blood loss
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