James D Lin1, Lawrence G Lenke2, Jamal N Shillingford1, Joseph L Laratta1, Lee A Tan1, Charla R Fischer1, Mark A Weller1, Ronald A Lehman1. 1. Division of Spine Surgery, Columbia University Department of Orthopedic Surgery, The Spine Hospital at New York Presbyterian/Allen, 5141 Broadway, New York, NY 10034, USA. 2. Division of Spine Surgery, Columbia University Department of Orthopedic Surgery, The Spine Hospital at New York Presbyterian/Allen, 5141 Broadway, New York, NY 10034, USA. Electronic address: LL2989@cumc.columbia.edu.
Abstract
STUDY DESIGN: Retrospective review of high-dose tranexamic acid (TXA) use in consecutive patients. OBJECTIVE: To determine the safety profile of a high-dose TXA protocol in complex adult spinal deformity patients. SUMMARY OF BACKGROUND DATA: Adult spinal deformity (ASD) surgery may involve significant amounts of blood loss, especially when various osteotomy techniques are used. Antifibrinolytic agents such as TXA have been used to reduce intraoperative blood loss. However, there is no universally accepted dosing protocol for its use during complex ASD surgery. METHODS: Consecutive patients undergoing spinal deformity correction over a 14-month period at a single institution were identified. Inclusion criteria were adults (age ≥18 years) who underwent posterior spinal fusion of at least 5 levels and use of our standard TXA protocol of 50 mg/kg intravenous loading dose followed by a 5-mg/kg/h infusion until skin closure. Patient demographics, estimated blood loss (EBL), operative time, transfusion rates, complications, and other procedure-specific information were recorded. RESULTS: A total of 100 adult patients were included. All operative procedures were performed by the senior surgeon. The mean age was 47.3 years, and 71% of patients were female. Average body mass index was 24.9. The average fusion length was 14 levels; 33/100 patients had fusion constructs of 17 levels or more. Pedicle subtraction osteotomy was performed in 9 patients and vertebral column resections were performed in 14 patients. There were 45/100 patients who had a primary procedure, whereas the rest were revisions. Mean EBL was 1,336 mL (98 mL/level, 31% estimated blood volume). There were three thromboembolic complications, including one pulmonary embolism and two deep vein thromboses (DVTs), which were all treated successfully with anticoagulation. There were no cases of myocardial infarction, seizure, stroke, or acute renal failure. CONCLUSIONS: This is the first study to demonstrate the use of high-dose TXA in a complex ASD population. Larger prospective studies are needed to assess the efficacy and safety of high-dose TXA in ASD. LEVEL OF EVIDENCE: Level IV, therapeutic.
STUDY DESIGN: Retrospective review of high-dose tranexamic acid (TXA) use in consecutive patients. OBJECTIVE: To determine the safety profile of a high-dose TXA protocol in complex adult spinal deformitypatients. SUMMARY OF BACKGROUND DATA: Adult spinal deformity (ASD) surgery may involve significant amounts of blood loss, especially when various osteotomy techniques are used. Antifibrinolytic agents such as TXA have been used to reduce intraoperative blood loss. However, there is no universally accepted dosing protocol for its use during complex ASD surgery. METHODS: Consecutive patients undergoing spinal deformity correction over a 14-month period at a single institution were identified. Inclusion criteria were adults (age ≥18 years) who underwent posterior spinal fusion of at least 5 levels and use of our standard TXA protocol of 50 mg/kg intravenous loading dose followed by a 5-mg/kg/h infusion until skin closure. Patient demographics, estimated blood loss (EBL), operative time, transfusion rates, complications, and other procedure-specific information were recorded. RESULTS: A total of 100 adult patients were included. All operative procedures were performed by the senior surgeon. The mean age was 47.3 years, and 71% of patients were female. Average body mass index was 24.9. The average fusion length was 14 levels; 33/100 patients had fusion constructs of 17 levels or more. Pedicle subtraction osteotomy was performed in 9 patients and vertebral column resections were performed in 14 patients. There were 45/100 patients who had a primary procedure, whereas the rest were revisions. Mean EBL was 1,336 mL (98 mL/level, 31% estimated blood volume). There were three thromboembolic complications, including one pulmonary embolism and two deep vein thromboses (DVTs), which were all treated successfully with anticoagulation. There were no cases of myocardial infarction, seizure, stroke, or acute renal failure. CONCLUSIONS: This is the first study to demonstrate the use of high-dose TXA in a complex ASD population. Larger prospective studies are needed to assess the efficacy and safety of high-dose TXA in ASD. LEVEL OF EVIDENCE: Level IV, therapeutic.
Authors: Nida Fatima; Megan E Barra; Russel Joseph Roberts; Elie Massaad; Muhamed Hadzipasic; Ganesh M Shankar; John H Shin Journal: Neurosurg Rev Date: 2020-01-14 Impact factor: 3.042
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