Canadian Consensus for the Prevention of Blood Loss in Spine Surgery

Thierry Pauyo 1, Neil Verma 2, Yousef Marwan 1 3, Ahmed Aoude 1, Morsi Khashan 1, Michael H Weber 1

Affiliations

01 January 2017

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doi: 10.1097/BRS.0000000000001686

Abstract

Study design: Cross-sectional, modified Delphi approach.

Objective: The primary objective of this study was to identify patients at risk of increased perioperative blood loss according to the opinion of expert spine surgeons across Canada. The secondary objective was to obtain information about the experts' approach on how to minimize significant blood loss perioperatively.

Summary of background data: Significant blood loss in major spinal surgeries has been associated with increased intra- and perioperative complications and costs. The current available evidence regarding risk factors and preventive measures for increased blood loss remains incomplete.

Methods: A modified Delphi approach was employed to generate consensus opinion on the risk factors and preventive measures for significant blood loss in major spinal surgeries. Twenty-five spine surgeons in Canada participated in this study.

Results: Among various factors, surgery for the treatment of spine tumors and prolonged operative time of greater than 5 hours were found to be the most important predictive factors for blood loss in spine surgery. On the other hand, appropriate surgical hemostasis was considered the most effective measure for the prevention of blood loss in these surgeries.

Conclusion: We recommend the reduction of blood loss by means of meticulous hemostasis and shorter operative time when it is safe and possible. This might result in better treatment outcomes. It would also lead to a reduction in costs associated with major spine surgeries and would ultimately lead to greater value-based spine care.

Level of evidence: 4.

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