Study DesignProspective, randomized controlled trial.PurposeTo evaluate the effect of topically applied tranexamic acid (TXA) on postoperative blood loss of neurologically intact patients with thoracolumbar spine trauma.Overview of LiteratureFew articles exist regarding the use of topical TXA for postoperative bleeding and blood transfusion in spinal surgery.MethodsA total of 57 patients were operated on with long-segment instrumented fusion without decompression. In 29 patients, a solution containing 1 g of TXA (20 mL) was applied to the site of surgery via a drain tube after the spinal fascia was closed, and then the drain was clamped for 2 hours. The 28 patients in the control group received the same volume of normal saline, and clamping was performed using the same technique. The groups were compared for postoperative packed red cells (PRC) transfusion rate and drainage volume.ResultsThe rate of postoperative PRC transfusion was significantly lower in the topical TXA group than in the control group (13.8% vs. 39.3%; relative risk, 0.35; 95% confidence interval, 0.13 to 0.97; p=0.03). The mean total drainage volume was significantly lower in the topical TXA group than in the control group (246.7±125 mL vs. 445.7±211.1 mL, p<0.01). No adverse events or complications were recorded in any patient during treatment over a mean follow-up period of 27.5 months.ConclusionsThe use of topically administered 1 g TXA in thoracic and lumbar spinal trauma cases effectively decreased postoperative transfusion requirements and minimized postoperative blood loss, as determined by the total drainage volume.
Study DesignRetrospective study.PurposeTo compare the neurological outcome of transforaminal debridement and interbody fusion with transpedicular decompression for treatment of thoracic and lumbar spinal tuberculosis.Overview of LiteratureFew articles have addressed the impact of neurological recovery in patients with tuberculosis who were treated by two different operative methods via the posterior-only approach.MethodsClinical and radiographic results of one-stage posterior instrumented spinal fusion for treatment of tuberculous spondylodiscitis with neurological deficits were reviewed and analyzed from 2009 to 2013. The extensive (E) group consisted of patients who received transforaminal debridement and interbody fusion, whereas transpedicular decompression was performed on limited (L) group. Rapid recovery was improvement of at least one Frankel grade within 6 weeks after operation. Otherwise, it was slow recovery.ResultsAll 39 patients had improved neurological signs. The median follow-up period was 24 months. Proportionately younger patients (under 65 years of age) received extensive surgery (15 of 18, 83.3% vs. 11 of 21, 52.4%; p=0.04). The mean operative time and blood loss in the group E were higher than in the group L (both p<0.01). With regard to type of procedure, especially at thoracic and thoracolumbar spine, patients who underwent extensive surgery had rapid neurological recovery significantly different from those of limited surgery (p=0.01; Relative Risk, 3.06; 95% Confidence Interval, 1.13 to 8.29).ConclusionsTransforaminal debridement and interbody fusion provides more rapid neurological recovery in patients with thoracic and thoracolumbar spinal tuberculosis compared to transpedicular decompression.
Background: The thoracolumbar spine is the most frequently affected portion of the spine during fractures. In surgical management, short-segment fixation is the treatment of choice because of preserved spine motion and fewer complications. However, this technique causes concerns of kyphosis progression compared with long-segment fixation. The widely used loadsharing classification was of limited value for predicting kyphosis progression in recent literature. The goal of this study was to identify the incidence and explore the factors associated with kyphosis progression in short-segment fixation in thoracolumbar spine fractures.Study Design: Retrospective cohort study. Methods: Patients with thoracolumbar spine fractures and no known neurological deficits treated by short-segment fixation and followed up for at least 12 months during January 2015 to October 2019 were included in this study. Demographic and radiographic data parameters were collected from the hospital database. Incidence of kyphosis progression was collected, and multivariable logistic regression analysis was used to explore associated factors.Results: A total of 91 patients were included in this study. The most common fractures were AO-type A3 in 57.7% of patients, followed by A4 in 31.9%, A2 in 9.9%, and B in 6.6%. Posterior ligamentous complex (PLC) injuries were found in 51.7%. The incidence of kyphosis progression was 35.2%. The PLC was found to be significantly associated with kyphosis progression (OR 3.14, P = 0.040). Intermediate screw insertion was a preventive factor (OR 0.11, P = 0.043). Age, body mass index, and type of fracture were not significant associated factors. Conclusion:The incidence of kyphosis progression was 35.2%. The PLC injury and intermediate screw insertion were significant associated factors. Long-segment fixation in a patient who had PLC injury or intermediate screw insertion should be considered to prevent kyphosis progression.Clinical Relevance: PLC injury was significantly associated with kyphosis progression in short segment thoracolumbar fracture fixation. Therefore, the surgeon should carefully select treatment options for these groups of patients.
Introduction: Patients who sustained thoracolumbar spine fracture without neurological deficit often require surgical treatment. The conventional open posterior approach had some disadvantages including post-operative pain, blood loss, and duration of the operation. The minimally invasive approach, open muscle-preserving pedicle screw fixation, was proposed to have more benefit than the conventional approach. This study evaluated the clinical and perioperative outcomes of thoracolumbar burst fracture fixation using the open muscle-preserving approach and the conventional open posterior approach. Methods: A prospective cohort study from June 2016 to June 2017 of the open muscle-preserving pedicle screw fixation approach was done compared to the historical control of the conventional open posterior approach from May 2015 to May 2016. The post-operative pain score, blood loss, duration of operation and clinical outcome were analyzed. Results: Twenty-three patients were enrolled in the muscle-preserving approach group, and 27 patients treated with the conventional open posterior approach were the control group. Post-operative VAS was significantly better in the muscle-preserving group (P<0.001). The mean operating time was significantly shorter in the muscle-preserving group (60.4±17.3 min. vs. 90.9±18.9 min., p<0.001). Moreover, the mean intra-operative blood loss of the muscle-preserving group was also significantly lower (156.96±96.3ml. vs. 269.26±147.6ml., p=0.003). Conclusion: Our study results indicate a superiority of the open muscle-preserving approach over the conventional open posterior approach for a thoracolumbar burst fracture without neurologic injury in terms of post-operative pain score, blood loss and duration of operation. The open muscle-preserving approach is an alternative treatment for thoracolumbar burst fractures.
Background: Thoracic spinal tuberculosis (TB) causes destruction of the spine and compression of the adjacent spinal cord. This study aimed to identify the risk factors for neurological deterioration in patients with thoracic spinal TB to guide decision-making regarding immediate surgery before the onset of weakness.Methods: Demographic, clinical, laboratory, and radiologic (x-ray and magnetic resonance imaging) data of 115 patients with active thoracic spinal TB were retrospectively analyzed. Patients with neurological status categorized as Frankel grades A, B, or C (n = 71) were classified as the neurological deficit group, while those with neurological status categorized as Frankel grades D and E (n = 44) constituted the control group. Univariate and multivariate logistic regression analyses were used to predict the risk factors for neurological deficits.Results: The mean patient age was 57.2 years. The most common lesion location was the distal thoracic region (T9-L1; 62.6%). Paradiscal involvement was the most common form of involvement (73%). In the univariate analysis, the significant risk factors associated with neurological worsening were overweight (body mass index [BMI] >25), C-reactive protein level > 20 mg/L, panvertebral involvement, loss of cerebrospinal fluid posterior to the cord, cord signal changes, and canal compromise. The multivariate analysis revealed that only BMI >25 (adjusted OR = 16.18; 95% CI 1.60-163.64; P = 0.018), cord signal changes (adjusted OR = 7.42; 95% CI 1.85-29.74; P = 0.005), and canal encroachment >50% ( adjusted OR = 51.86; 95% CI 5.53-486.24; P = 0.001) were independent risk factors for predicting the risk of neurological deficits.Conclusions: Overweight (BMI >25), cord signal changes, and canal compromise >50% significantly predicted neurological deficits in patients with thoracic spinal TB. Prompt spinal surgery should be considered before progressive worsening of the neurological condition in patients with all of these risk factors.Clinical Relevance: Predictive factors for neurological deficits in thoracic spinal TB were determined. Overweight, cord signal changes, and canal compromise >50% showed predictive value. These factors can help identify patients who require early surgical intervention.
Purpose: There is limited literature regarding the topical use of tranexamic acid (TXA) to control postoperative bleeding during spinal deformity correction and fusion procedures, which often require blood transfusions. This study aimed to evaluate the effect of topical TXA on postoperative blood loss in patients undergoing deformity correction and posterior spinal fusion (PSF) surgeries. Methods: A retrospective study was conducted between January 2011 and April 2017 in 51 patients with adolescent idiopathic scoliosis who underwent long-segment PSF with hybrid thoracic-hook pedicle screw instrumentation or pedicle-screw-alone constructs. Twenty-five patients were assigned to receive topical TXA (1 g/20 mL), and the drain was clamped for 2 h. Twenty-six patients in the control group were treated with antifibrinolytic agents. Results: Median drainage blood loss, median day of drain removal, and median postoperative hospitalization were significantly lower in the topical TXA group (all p <0.05). The postoperative packed red cell transfusion rate was significantly lower in the topical TXA group than that in the control group (15 of 25, 60% vs. 23 of 26, 88.5%; p=0.02; risk ratio, 0.68; 95% confidence interval, 0.48–0.96). Conclusions: The use of topically administered 1 g TXA in AIS patients undergoing instrumented PSF effectively reduced postoperative transfusion requirements, decreased the total amount of drainage blood loss, reduced the time till drain removal, and shortened the length of postoperative hospitalization.
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