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Baradaran Bagheri A, Dehghani MJ, Aghajanian S. Safety and efficacy of apixaban vs. enoxaparin in thromboprophylaxis after spinal stenosis and degenerative spine surgery. Clin Neurol Neurosurg 2024; 239:108205. [PMID: 38471196 DOI: 10.1016/j.clineuro.2024.108205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/18/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024]
Abstract
INTRODUCTION Degenerative spine surgeries often require postoperative immobilization or reduced mobility, predisposing patients to the formation of thrombosis and higher risk of thromboembolic complications. Despite the significance of this issue, there remains a lack of consensus on the optimal anticoagulant agent for postoperative thromboprophylaxis in spinal stenosis and degenerative spine surgeries. Low molecular weight heparins and direct Xa inhibitors represent two anticoagulant groups with high chemoprophylactic potential. METHODS This study included a prospective cohort of patients undergoing posterior decompressive surgery with or without instrumentation for degenerative spine disease and/or spinal stenosis. Patients receiving postoperative prophylactic Enoxaparin and Apixaban were selected to evaluate the rate of complications, as assessed by Clavien-Dindo classification, thromboembolic events, and 30-day mortality, readmission, and reoperation rate between the two anticoagulants. RESULTS 130 patients were included in the analysis. 65 patients received Apixaban and Enoxaparin in each group. Mean age of the participants was 57.6±11.0. 83.1% underwent laminectomy and posterior spinal fusion, while 22 patients underwent decompressive surgery only. The incidence of venous thromboembolism (P-value=0.403), deep vein thrombosis (p-value=0.999), hematoma formation (p-value=0.403), surgical site infection (p-value=0.901), readmission (p-value=0.545), reoperation (p=0.510), mortality (p=0.648), and complications rate (p-value=0.232) were not statistically different between Enoxaparin and Apixaban. DISCUSSION Both Apixaban and Enoxaparin may be viable options for postoperative thromboprophylaxis in spine surgeries with comparable efficacy and safety profile. Future research endeavors should investigate the efficacy of these agents in comparison to placebo in a randomized setting.
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Affiliation(s)
- Ali Baradaran Bagheri
- Department of Neurosurgery, Shahid Madani Hospital, Alborz University of Medical Sciences, Karaj, Iran.
| | - Mohammad Javad Dehghani
- Department of Orthopedic Surgery, Shahid Madani Hospital, Alborz University of Medical Sciences, Karaj, Iran
| | - Sepehr Aghajanian
- Department of Neurosurgery, Shahid Madani Hospital, Alborz University of Medical Sciences, Karaj, Iran; Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran
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Comparison between rivaroxaban versus enoxaparin for venous thromboembolism prophylaxis following spine surgeries, a randomized clinical trial. J Clin Neurosci 2022; 105:51-57. [PMID: 36084566 DOI: 10.1016/j.jocn.2022.08.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Enoxaparin is currently used for VTE prophylaxis. Rivaroxaban is more cost-effective and is as potent as enoxaparin in VTE prophylaxis. METHODS The study was held at Al-Zahra and Kashani university hospitals in Isfahan, Iran, from January 2019 to October 2020. Two hundred ninety-six patients requiring instrumented spine surgery were enrolled; 23 were excluded (lack of consent/interfering medical situations). They were randomized into the groups of rivaroxaban (case, n = 137) and enoxaparin receiving (control, n = 136). Medical data were recorded and 244 patients (case = 123, control = 121) were analyzed value < 0.05 was meaningful. RESULTS 150 patients were males, and 94 were females. The mean age was 52.09 ± 12.6 years. Postoperative drain volume was higher in rivaroxaban received patients than in enoxaparin (p = 0.02). Post-operation epidural hematoma was detected in 3 patients in the case and 1 in the control group, which was not meaningful(p = 0.622). All of them were evacuated surgically. POH was associated with cervical canal stenosis surgery, existing comorbidities, and new medical events. New medical events were associated with postoperative wound dehiscence (p = 0.001). Short and long-term postoperative outcomes were similar in both groups. The mean follow-up duration was 25.8 ± 7.5 months. CONCLUSION Rivaroxaban is as effective as enoxaparin in venous thromboembolic event prophylaxis. Regarding postoperative epidural hematoma, statistical analysis showed equal safety of both drugs. Still, the authors would like to recommend more discretion in rivaroxaban administration in cervical spine laminectomy until future studies are conducted.
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Naung Tun H, Kyaw MT, Rafflenbeul E, López Suástegui X. Role of Direct Oral Anticoagulants for Post-operative Venous Thromboembolism Prophylaxis. Eur Cardiol 2022; 17:e11. [PMID: 35620356 PMCID: PMC9127635 DOI: 10.15420/ecr.2021.55] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/28/2022] [Indexed: 11/19/2022] Open
Abstract
Venous thromboembolism (VTE) is one of the leading causes of post-operative morbidity and mortality. Over previous decades, heparin and warfarin were the predominant therapeutic options for post-operative thromboprophylaxis. However, their use is limited by drawbacks including a narrow therapeutic range, numerous food and drug interactions, and the need for regular monitoring for dose adjustments. Recently, direct oral anticoagulants (DOACs), such as dabigatran etexilate (a direct thrombin inhibitor) and apixaban, rivaroxaban and edoxaban (direct factor Xa inhibitors), have been developed to overcome these issues. DOACs have shown promising results in Phase III clinical trials for post-operative VTE prophylaxis. This review summarises the pharmacological profile of DOACs and highlights the use of DOACs in post-operative VTE prophylaxis based on the available clinical trial data.
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Affiliation(s)
- Han Naung Tun
- Larner College of Medicine, University of Vermont, Burlington, VT, US
| | - May Thu Kyaw
- Heart and Vascular Centre, Victoria Hospital, Yangon, Myanmar
| | - Erik Rafflenbeul
- Department of Cardiology, Schoen Clinic Hamburg Eilbek, Hamburg, Germany
| | - Xiuhtlaulli López Suástegui
- Emergency Department, Intensive Care Unit Hospital Regional de Alta Especialidad de Zumpango, Instituto Mexicano del Seguro Social, Zumpango de Ocampo, Mexico
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Louie PK, Urakawa H, Manzur MK, Craig CM, Qureshi SA. Narrative Review of Antiplatelet and Anticoagulant Medications for Venous Thromboembolism Prevention in Spine Surgery. Clin Spine Surg 2022; 35:63-75. [PMID: 34694260 DOI: 10.1097/bsd.0000000000001260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/15/2021] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN This was a narrative review. OBJECTIVE The objective of this study was to identify commonly utilized venous thromboembolism (VTE) prophylactic measures, spine surgeon perspective, and provide pharmacologic recommendations from the literature. SUMMARY OF BACKGROUND DATA Considered a preventable cause of morbidity and mortality, VTE remains an important iatrogenic diagnosis of concern. Reported rates of VTE following spine surgery vary widely (0.3%-31.0%). MATERIALS AND METHODS A MEDLINE query identified literature reporting on VTE prevention and outcomes in the setting of spine surgery. Findings extracted from the included articles were summarized in a narrative review format to identify salient aspects of the current literature. RESULTS Sixty articles were summarized. Many anticoagulation medications that are described in the literature target factors involved in the coagulation cascade common pathway including aspirin and other antiplatelet medications, heparins, and warfarin. Newer direct inhibitors of thrombin and factor Xa are now being utilized for VTE prevention, although with limited use specifically in spine surgery. CONCLUSIONS Perioperative management of antiplatelet and anticoagulation medications in spine surgery requires evidence-based protocols that can account for patient comorbidities and surgery-specific features. Future studies should prospectively focus on establishing stronger recommendations based on pathology, surgical indications, patient comorbidities, region of the spine, and broad surgical intervention to enable effective prophylaxis for VTE. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
| | | | - Mustfa K Manzur
- Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA
| | - Chad M Craig
- Hospital for Special Surgery, New York, NY
- Weill Cornell Medical College, New York, NY
| | - Sheeraz A Qureshi
- Hospital for Special Surgery, New York, NY
- Weill Cornell Medical College, New York, NY
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Louie P, Harada G, Harrop J, Mroz T, Al-Saleh K, Brodano GB, Chapman J, Fehlings M, Hu S, Kawaguchi Y, Mayer M, Menon V, Park JB, Qureshi S, Rajasekaran S, Valacco M, Vialle L, Wang JC, Wiechert K, Riew KD, Samartzis D. Perioperative Anticoagulation Management in Spine Surgery: Initial Findings From the AO Spine Anticoagulation Global Survey. Global Spine J 2020; 10:512-527. [PMID: 32677576 PMCID: PMC7359688 DOI: 10.1177/2192568219897598] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
STUDY DESIGN Cross-sectional, international survey. OBJECTIVES This study addressed the global perspectives concerning perioperative use of pharmacologic thromboprophylaxis during spine surgery along with its risks and benefits. METHODS A questionnaire was designed and implemented by expert members in the AO Spine community. The survey was distributed to AO Spine's spine surgeon members (N = 3805). Data included surgeon demographic information, type and region of practice, anticoagulation principles, different patient scenarios, and comorbidities. RESULTS A total of 316 (8.3% response rate) spine surgeons completed the survey, representing 64 different countries. Completed surveys were primarily from Europe (31.7%), South/Latin America (19.9%), and Asia (18.4%). Surgeons tended to be 35 to 44 years old (42.1%), fellowship-trained (74.7%), and orthopedic surgeons (65.5%) from academic institutions (39.6%). Most surgeons (70.3%) used routine anticoagulation risk stratification, irrespective of geographic location. However, significant differences were seen between continents with anticoagulation initiation and cessation methodology. Specifically, the length of a procedure (P = .036) and patient body mass index (P = .008) were perceived differently when deciding to begin anticoagulation, while the importance of medical clearance (P < .001) and reference to literature (P = .035) differed during cessation. For specific techniques, most providers noted use of mobilization, low-molecular-weight heparin, and mechanical prophylaxis beginning on postoperative 0 to 1 days. Conversely, bridging regimens were bimodal in distribution, with providers electing anticoagulant initiation on postoperative 0 to 1 days or days 5-6. CONCLUSION This survey highlights the heterogeneity of spine care and accentuates geographical variations. Furthermore, it identifies the difficulty in providing consistent perioperative anticoagulation recommendations to patients, as there remains no widely accepted, definitive literature of evidence or guidelines.
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Affiliation(s)
- Philip Louie
- Rush University Medical Center, Chicago, IL, USA
| | | | - James Harrop
- Thomas Jefferson University, Philadelphia, PA, USA
| | | | | | | | - Jens Chapman
- Swedish Neuroscience Institute, Seattle, WA, USA
| | | | - Serena Hu
- Stanford University, Stanford, CA, USA
| | | | - Michael Mayer
- Salzburg Paracelsus Medical School, Salzburg, Austria
| | | | | | | | | | | | - Luiz Vialle
- Pontifical Catholic University, Curitiba, Brazil
| | | | | | | | - Dino Samartzis
- Rush University Medical Center, Chicago, IL, USA,Dino Samartzis, Department of Orthopaedic Surgery, Rush University Medical Center, Orthopaedic Building, Suite 204-G, 1611W Harrison Street, Chicago, IL 60612, USA.
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Abstract
STUDY DESIGN Review article. OBJECTIVE A review of the literature on postoperative initiation of thrombophylactic agents following spine surgery. METHODS A review of the literature and synthesis of the data to provide an update on venous thromboprophylaxis following spine surgery. RESULTS Postoperative regimens of venous thromboprophylaxis measures following spine surgery remain a controversial issue. Recommendations regarding mechanical versus chemical prophylaxis vary greatly among institutions. CONCLUSION Postoperative spine surgery initiation of thromboprophylaxis remains controversial regarding optimal timing and agent selection. The benefits of deep vein thrombosis/pulmonary embolism prophylaxis must be weighed against the possible postoperative complications associated with spine surgery.
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Affiliation(s)
- Anthony M. Alvarado
- University of Kansas Medical Center, Kansas City, KS, USA,Anthony M. Alvarado, Department of Neurosurgery, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66061, USA.
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Barbarawi M, Kollipara V, Bachuwa G, Alkotob L. McConnell's sign in a patient with pulmonary embolism. BMJ Case Rep 2018; 11:11/1/e227576. [PMID: 30567141 DOI: 10.1136/bcr-2018-227576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
| | | | - Ghassan Bachuwa
- Internal Medicine, Hurley Medical Center, Flint, Michigan, USA
| | - Luay Alkotob
- Internal Medicine, Hurley Medical Center, Flint, Michigan, USA
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