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Gibbs VN, Champaneria R, Sandercock J, Welton NJ, Geneen LJ, Brunskill SJ, Dorée C, Kimber C, Palmer AJ, Estcourt LJ. Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee surgery: a systematic review and network meta-analysis. Cochrane Database Syst Rev 2024; 1:CD013295. [PMID: 38226724 PMCID: PMC10790339 DOI: 10.1002/14651858.cd013295.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
BACKGROUND Hip and knee replacement surgery is a well-established means of improving quality of life, but is associated with a significant risk of bleeding. One-third of people are estimated to be anaemic before hip or knee replacement surgery; coupled with the blood lost during surgery, up to 90% of individuals are anaemic postoperatively. As a result, people undergoing orthopaedic surgery receive 3.9% of all packed red blood cell transfusions in the UK. Bleeding and the need for allogeneic blood transfusions has been shown to increase the risk of surgical site infection and mortality, and is associated with an increased duration of hospital stay and costs associated with surgery. Reducing blood loss during surgery may reduce the risk of allogeneic blood transfusion, reduce costs and improve outcomes following surgery. Several pharmacological interventions are available and currently employed as part of routine clinical care. OBJECTIVES To determine the relative efficacy of pharmacological interventions for preventing blood loss in elective primary or revision hip or knee replacement, and to identify optimal administration of interventions regarding timing, dose and route, using network meta-analysis (NMA) methodology. SEARCH METHODS We searched the following databases for randomised controlled trials (RCTs) and systematic reviews, from inception to 18 October 2022: CENTRAL (the Cochrane Library), MEDLINE (Ovid), Embase (Ovid), CINAHL (EBSCOhost), Transfusion Evidence Library (Evidentia), ClinicalTrials.gov and WHO International Clinical Trials Registry Platform (ICTRP). SELECTION CRITERIA We included RCTs of people undergoing elective hip or knee surgery only. We excluded non-elective or emergency procedures, and studies published since 2010 that had not been prospectively registered (Cochrane Injuries policy). There were no restrictions on gender, ethnicity or age (adults only). We excluded studies that used standard of care as the comparator. Eligible interventions included: antifibrinolytics (tranexamic acid (TXA), aprotinin, epsilon-aminocaproic acid (EACA)), desmopressin, factor VIIa and XIII, fibrinogen, fibrin sealants and non-fibrin sealants. DATA COLLECTION AND ANALYSIS We performed the review according to standard Cochrane methodology. Two authors independently assessed trial eligibility and risk of bias, and extracted data. We assessed the certainty of the evidence using CINeMA. We presented direct (pairwise) results using RevMan Web and performed the NMA using BUGSnet. We were interested in the following primary outcomes: need for allogenic blood transfusion (up to 30 days) and all-cause mortality (deaths occurring up to 30 days after the operation), and the following secondary outcomes: mean number of transfusion episodes per person (up to 30 days), re-operation due to bleeding (within seven days), length of hospital stay and adverse events related to the intervention received. MAIN RESULTS We included a total of 102 studies. Twelve studies did not report the number of included participants; the other 90 studies included 8418 participants. Trials included more women (64%) than men (36%). In the NMA for allogeneic blood transfusion, we included 47 studies (4398 participants). Most studies examined TXA (58 arms, 56%). We found that TXA, given intra-articularly and orally at a total dose of greater than 3 g pre-incision, intraoperatively and postoperatively, ranked the highest, with an anticipated absolute effect of 147 fewer blood transfusions per 1000 people (150 fewer to 104 fewer) (53% chance of ranking 1st) within the NMA (risk ratio (RR) 0.02, 95% credible interval (CrI) 0 to 0.31; moderate-certainty evidence). This was followed by TXA given orally at a total dose of 3 g pre-incision and postoperatively (RR 0.06, 95% CrI 0.00 to 1.34; low-certainty evidence) and TXA given intravenously and orally at a total dose of greater than 3 g intraoperatively and postoperatively (RR 0.10, 95% CrI 0.02 to 0.55; low-certainty evidence). Aprotinin (RR 0.59, 95% CrI 0.36 to 0.96; low-certainty evidence), topical fibrin (RR 0.86, CrI 0.25 to 2.93; very low-certainty evidence) and EACA (RR 0.60, 95% CrI 0.29 to 1.27; very low-certainty evidence) were not shown to be as effective compared with TXA at reducing the risk of blood transfusion. We were unable to perform an NMA for our primary outcome all-cause mortality within 30 days of surgery due to the large number of studies with zero events, or because the outcome was not reported. In the NMA for deep vein thrombosis (DVT), we included 19 studies (2395 participants). Most studies examined TXA (27 arms, 64%). No studies assessed desmopressin, EACA or topical fibrin. We found that TXA given intravenously and orally at a total dose of greater than 3 g intraoperatively and postoperatively ranked the highest, with an anticipated absolute effect of 67 fewer DVTs per 1000 people (67 fewer to 34 more) (26% chance of ranking first) within the NMA (RR 0.16, 95% CrI 0.02 to 1.43; low-certainty evidence). This was followed by TXA given intravenously and intra-articularly at a total dose of 2 g pre-incision and intraoperatively (RR 0.21, 95% CrI 0.00 to 9.12; low-certainty evidence) and TXA given intravenously and intra-articularly, total dose greater than 3 g pre-incision, intraoperatively and postoperatively (RR 0.13, 95% CrI 0.01 to 3.11; low-certainty evidence). Aprotinin was not shown to be as effective compared with TXA (RR 0.67, 95% CrI 0.28 to 1.62; very low-certainty evidence). We were unable to perform an NMA for our secondary outcomes pulmonary embolism, myocardial infarction and CVA (stroke) within 30 days, mean number of transfusion episodes per person (up to 30 days), re-operation due to bleeding (within seven days), or length of hospital stay, due to the large number of studies with zero events, or because the outcome was not reported by enough studies to build a network. There are 30 ongoing trials planning to recruit 3776 participants, the majority examining TXA (26 trials). AUTHORS' CONCLUSIONS We found that of all the interventions studied, TXA is probably the most effective intervention for preventing bleeding in people undergoing hip or knee replacement surgery. Aprotinin and EACA may not be as effective as TXA at preventing the need for allogeneic blood transfusion. We were not able to draw strong conclusions on the optimal dose, route and timing of administration of TXA. We found that TXA given at higher doses tended to rank higher in the treatment hierarchy, and we also found that it may be more beneficial to use a mixed route of administration (oral and intra-articular, oral and intravenous, or intravenous and intra-articular). Oral administration may be as effective as intravenous administration of TXA. We found little to no evidence of harm associated with higher doses of tranexamic acid in the risk of DVT. However, we are not able to definitively draw these conclusions based on the trials included within this review.
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Affiliation(s)
- Victoria N Gibbs
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
| | - Rita Champaneria
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Josie Sandercock
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Nicky J Welton
- Bristol Medical School, University of Bristol, Bristol, UK
| | - Louise J Geneen
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Susan J Brunskill
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Carolyn Dorée
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Catherine Kimber
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Antony Jr Palmer
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Lise J Estcourt
- Haematology/Transfusion Medicine, NHS Blood and Transplant, Oxford, UK
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Perka C, von Heymann C, Lier H, Kaufner L, Treskatsch S. Die perioperative Gabe von Tranexamsäure. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2023; 161:532-537. [PMID: 37336245 DOI: 10.1055/a-2055-8178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
The application of tranexamic acid (TXA) during endoprosthetic surgical procedures has significantly increased in recent years. Due its ability to reduce perioperative blood loss and avert the need for blood transfusions as well as wound drainage, TXA is becoming part of a 'standard practice'. However, TXA is currently not approved for the application during endoprosthetic procedures and therefore, a benefit-risk analysis should always be conducted. Prophylactic administration of TXA without prior patient consent is only justified if fibrinolytic bleeding is expected and there are no contraindications or relevant risk factors for thromboembolic complications. Respectively, no patient consent is required when a therapeutic dose of TXA is administered in the context of fibrinolytic bleeding. The following guidelines provide updated recommendations based on the current state of knowledge on TXA optimal timing, routes of administration and dosing regimen.
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Affiliation(s)
- Carsten Perka
- Klinik für Orthopädie, Centrum für Muskuloskeletale Chirurgie, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - Christian von Heymann
- Klinik für Anästhesie, Intensivmedizin, Notfallmedizin und Schmerztherapie, Vivantes Klinikum im Friedrichshain, Berlin, Berlin, Deutschland
| | - Heiko Lier
- Klinik für Anästhesiologie und Operative Intensivmedizin, Medizinische Fakultät und Uniklinik Köln, Köln, Deutschland
| | - Lutz Kaufner
- Klinik für Anästhesiologie mit Schwerpunkt operative Intensivmedizin, Charité ‒ Universitätsmedizin Berlin, Berlin, Deutschland
| | - Sascha Treskatsch
- Klinik für Anästhesiologie mit Schwerpunkt operative Intensivmedizin, Charité ‒ Universitätsmedizin Berlin, Berlin, Deutschland
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Gibbs VN, Geneen LJ, Champaneria R, Raval P, Dorée C, Brunskill SJ, Novak A, Palmer AJ, Estcourt LJ. Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or joint replacement for hip, pelvic and long bone fractures. Cochrane Database Syst Rev 2023; 6:CD013499. [PMID: 37272509 PMCID: PMC10241722 DOI: 10.1002/14651858.cd013499.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Pelvic, hip, and long bone fractures can result in significant bleeding at the time of injury, with further blood loss if they are treated with surgical fixation. People undergoing surgery are therefore at risk of requiring a blood transfusion and may be at risk of peri-operative anaemia. Pharmacological interventions for blood conservation may reduce the risk of requiring an allogeneic blood transfusion and associated complications. OBJECTIVES To assess the effectiveness of different pharmacological interventions for reducing blood loss in definitive surgical fixation of the hip, pelvic, and long bones. SEARCH METHODS We used a predefined search strategy to search CENTRAL, MEDLINE, PubMed, Embase, CINAHL, Transfusion Evidence Library, ClinicalTrials.gov, and the WHO International Clinical Trials Registry Platform (ICTRP) from inception to 7 April 2022, without restrictions on language, year, or publication status. We handsearched reference lists of included trials to identify further relevant trials. We contacted authors of ongoing trials to acquire any unpublished data. SELECTION CRITERIA We included randomised controlled trials (RCTs) of people who underwent trauma (non-elective) surgery for definitive fixation of hip, pelvic, and long bone (pelvis, tibia, femur, humerus, radius, ulna and clavicle) fractures only. There were no restrictions on gender, ethnicity, or age. We excluded planned (elective) procedures (e.g. scheduled total hip arthroplasty), and studies published since 2010 that had not been prospectively registered. Eligible interventions included: antifibrinolytics (tranexamic acid, aprotinin, epsilon-aminocaproic acid), desmopressin, factor VIIa and XIII, fibrinogen, fibrin sealants, and non-fibrin sealants. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trial eligibility and risk of bias, and extracted data. We assessed the certainty of the evidence using GRADE. We did not perform a network meta-analysis due to lack of data. MAIN RESULTS We included 13 RCTs (929 participants), published between 2005 and 2021. Three trials did not report any of our predefined outcomes and so were not included in quantitative analyses (all were tranexamic acid versus placebo). We identified three comparisons of interest: intravenous tranexamic acid versus placebo; topical tranexamic acid versus placebo; and recombinant factor VIIa versus placebo. We rated the certainty of evidence as very low to low across all outcomes. Comparison 1. Intravenous tranexamic acid versus placebo Intravenous tranexamic acid compared to placebo may reduce the risk of requiring an allogeneic blood transfusion up to 30 days (RR 0.48, 95% CI 0.34 to 0.69; 6 RCTs, 457 participants; low-certainty evidence) and may result in little to no difference in all-cause mortality (Peto odds ratio (Peto OR) 0.38, 95% CI 0.05 to 2.77; 2 RCTs, 147 participants; low-certainty evidence). It may result in little to no difference in risk of participants experiencing myocardial infarction (risk difference (RD) 0.00, 95% CI -0.03 to 0.03; 2 RCTs, 199 participants; low-certainty evidence), and cerebrovascular accident/stroke (RD 0.00, 95% CI -0.02 to 0.02; 3 RCTs, 324 participants; low-certainty evidence). We are uncertain if there is a difference between groups for risk of deep vein thrombosis (Peto OR 2.15, 95% CI 0.22 to 21.35; 4 RCTs, 329 participants, very low-certainty evidence), pulmonary embolism (Peto OR 1.08, 95% CI 0.07 to 17.66; 4 RCTs, 329 participants; very low-certainty evidence), and suspected serious drug reactions (RD 0.00, 95% CI -0.03 to 0.03; 2 RCTs, 185 participants; very low-certainty evidence). No data were available for number of red blood cell units transfused, reoperation, or acute transfusion reaction. We downgraded the certainty of the evidence for imprecision (wide confidence intervals around the estimate and small sample size, particularly for rare events), and risk of bias (unclear or high risk methods of blinding and allocation concealment in the assessment of subjective measures), and upgraded the evidence for transfusion requirement for a large effect. Comparison 2. Topical tranexamic acid versus placebo We are uncertain if there is a difference between topical tranexamic acid and placebo for risk of requiring an allogeneic blood transfusion (RR 0.31, 95% CI 0.08 to 1.22; 2 RCTs, 101 participants), all-cause mortality (RD 0.00, 95% CI -0.10 to 0.10; 1 RCT, 36 participants), risk of participants experiencing myocardial infarction (Peto OR 0.15, 95% CI 0.00 to 7.62; 1 RCT, 36 participants), cerebrovascular accident/stroke (RD 0.00, 95% CI -0.06 to 0.06; 1 RCT, 65 participants); and deep vein thrombosis (Peto OR 1.11, 95% CI 0.07 to 17.77; 2 RCTs, 101 participants). All outcomes reported were very low-certainty evidence. No data were available for number of red blood cell units transfused, reoperation, incidence of pulmonary embolism, acute transfusion reaction, or suspected serious drug reactions. We downgraded the certainty of the evidence for imprecision (wide confidence intervals around the estimate and small sample size, particularly for rare events), inconsistency (moderate heterogeneity), and risk of bias (unclear or high risk methods of blinding and allocation concealment in the assessment of subjective measures, and high risk of attrition and reporting biases in one trial). Comparison 3. Recombinant factor VIIa versus placebo Only one RCT of 48 participants reported data for recombinant factor VIIa versus placebo, so we have not presented the results here. AUTHORS' CONCLUSIONS We cannot draw conclusions from the current evidence due to lack of data. Most published studies included in our analyses assessed the use of tranexamic acid (compared to placebo, or using different routes of administration). We identified 27 prospectively registered ongoing RCTs (total target recruitment of 4177 participants by end of 2023). The ongoing trials create six new comparisons: tranexamic acid (tablet + injection) versus placebo; intravenous tranexamic acid versus oral tranexamic acid; topical tranexamic acid versus oral tranexamic acid; different intravenous tranexamic acid dosing regimes; topical tranexamic acid versus topical fibrin glue; and fibrinogen (injection) versus placebo.
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Affiliation(s)
- Victoria N Gibbs
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
| | - Louise J Geneen
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Rita Champaneria
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Parag Raval
- Trauma and Orthopaedic Specialist Registrar, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Carolyn Dorée
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Susan J Brunskill
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK
| | - Alex Novak
- Emergency Medicine Research Oxford (EMROx), Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Antony Jr Palmer
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Lise J Estcourt
- Haematology/Transfusion Medicine, NHS Blood and Transplant, Oxford, UK
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Zheng C, Ma J, Xu J, Wu L, Wu Y, Liu Y, Shen B. The optimal regimen, efficacy and safety of tranexamic acid and aminocaproic acid to reduce bleeding for patients after total hip arthroplasty: A systematic review and Bayesian network meta-analysis. Thromb Res 2023; 221:120-129. [PMID: 36527742 DOI: 10.1016/j.thromres.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 11/06/2022] [Accepted: 11/11/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVES We aimed to evaluate the optimal regimen, efficacy and safety of tranexamic acid (TXA) and aminocaproic acid (EACA) for patients after total hip arthroplasty (THA). METHODS The network meta-analysis was guided by the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guideline. The outcomes were total blood loss, transfusion rates, hemoglobin (HB) drop, and risk for pulmonary embolism (PE) or deep vein thrombosis (DVT). Subgroup analyses were performed among most effective regimens to determine the influences of timing and number of doses. RESULTS A total of 56 eligible RCTs with different regimens were assessed. For reducing total blood loss, all high doses of TXA and EACA except high dose of intra-articular (IA) TXA, as well as medium dose of combination of intravenous and intra-articular (combined IV/IA) TXA were most effective. All high doses of TXA, as well as medium dose of combined IV/IA TXA did not show inferiority in reducing transfusion rates and HB drop compared with other regimens. No regimens showed higher risk for PE or DVT compared with placebo, and no statistical differences were seen among most effective regimens in subgroup analyses. CONCLUSIONS As effective as high doses of EACA and TXA, medium dose (20-40 mg/kg or 1.5-3.0 g) of combined IV/IA TXA was enough to control bleeding for patients after THA without increasing risk for PE/DVT. TXA was at least 5 times more potent than EACA. Timing and number of doses had few influences on blood conserving efficacy. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Che Zheng
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jun Ma
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jiawen Xu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Liming Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuangang Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuan Liu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Bin Shen
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
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Zha GC, Zhu XR, Wang L, Li HW. Tranexamic acid reduces blood loss in primary total hip arthroplasty performed using the direct anterior approach: a one-center retrospective observational study. J Orthop Traumatol 2022; 23:12. [PMID: 35254507 PMCID: PMC8901851 DOI: 10.1186/s10195-022-00638-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/27/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND It is still unknown whether tranexamic acid (TXA) is beneficial for the minimally invasive surgical approach to total hip arthroplasty (THA). The aim of this study is to investigate the efficacy and safety of intravenous TXA in primary THA via the direct anterior approach (DAA). MATERIALS AND METHODS We performed a retrospective analysis of prospectively collected data on 70 patients with nontraumatic avascular necrosis of the femoral head who underwent THA via the DAA between October 2017 and October 2018. Patients were divided into two groups: TXA group (39 patients received 1.5 g TXA intravenously) and control group (31 patients did not receive TXA). Patients were assessed by operative time, postoperative hemoglobin (HB) drop, transfusion rate, postoperative length of hospital stays (LHS), deep vein thrombosis (DVT), and Harris hip score (HHS). RESULTS Total blood loss, hidden blood loss, and postoperative HB drop in the TXA group were significantly lower than in the control group (p < 0.05). There was no statistical difference between the two groups in terms of intraoperative blood loss, operative time, transfusion rate, postoperative LHS, HHS, or incidence of DVT (p > 0.05). CONCLUSIONS TXA may reduce perioperative blood loss without increasing complications in THA via the DAA. LEVEL OF EVIDENCE Level IV, therapeutic study.
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Affiliation(s)
- Guo-Chun Zha
- Department of Orthopedic Surgery, The Affiliated Hospital of Xuzhou Medical University, No. 99 Huaihai West Road, Xuzhou, 221002, Jiangsu, People's Republic of China.
| | - Xian-Ren Zhu
- Department of Orthopedic Surgery, Mudan People's Hospital of Heze City, No. 2111 Kangzhuang Road, Mudan District, Heze, 274000, Shandong, People's Republic of China
| | - Lei Wang
- Department of Orthopedics, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241001, Anhui, People's Republic of China
| | - Hong-Wei Li
- Department of Orthopedic Surgery, The Affiliated Hospital of Xuzhou Medical University, No. 99 Huaihai West Road, Xuzhou, 221002, Jiangsu, People's Republic of China
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OLIVEIRA JOSÉALBERTOALVES, BRITO GABRIELLACRISTINACOELHODE, BEZERRA FRANCISCAMAGNAPRADO, CARVALHO NETO CARLOSALFREDODE, ALENCAR NETO JONATASBRITODE, IBIAPINA ROBERTOCÉSARPONTES. THE USE OF ANTIFIBRINOLYTICS IN HIP TRAUMA SURGERY IN A PUBLIC HEALTH SYSTEM: A PROSPECTIVE STUDY. ACTA ORTOPEDICA BRASILEIRA 2021; 29:304-307. [PMID: 34849094 PMCID: PMC8601384 DOI: 10.1590/1413-785220212906244502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/09/2020] [Indexed: 11/22/2022]
Abstract
Objective: To evaluate the use of tranexamic acid (TXA) and ε-aminocaproic acid (EACA) in reducing blood loss in hip and proximal femur trauma surgery. Methods: Prospective study with 49 patients surgically treated in a trauma hospital between Nov/2015 and Feb/2017. The patients were divided in two groups: TXA (n = 24) and EACA (n = 25). The comparison was made according to gender, age at the time of surgery, ASA, fracture and surgery type, estimated blood loss during surgical approach, hemoglobin and hematocrit levels pre and post-operative, and pharmacological cost. The data was processed using SPSS 22.0 with significance level of p < 0,05. Results: No significant difference was found in the variables age, gender, ASA and estimated blood loss during surgical approach. No patient needed blood transfusion. When evaluated post-operatively, the hemoglobin and hematocrit values decrease had no significant difference between the antifibrinolytics (p > 0.05). When analyzing total cost for both pharmacological agents, higher cost was observed in EACA than in TXA (US$ 16.09 - US$ 2.73), resulting in a US$ 13.36 addition per patient. Conclusion: Antifibrinolytic use was efficient on lowering the total blood loss, without the need of blood transfusion. Level of evidence II, Prospective Comparative Study.
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Taeuber I, Weibel S, Herrmann E, Neef V, Schlesinger T, Kranke P, Messroghli L, Zacharowski K, Choorapoikayil S, Meybohm P. Association of Intravenous Tranexamic Acid With Thromboembolic Events and Mortality: A Systematic Review, Meta-analysis, and Meta-regression. JAMA Surg 2021; 156:e210884. [PMID: 33851983 PMCID: PMC8047805 DOI: 10.1001/jamasurg.2021.0884] [Citation(s) in RCA: 133] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 01/14/2021] [Indexed: 01/16/2023]
Abstract
IMPORTANCE Tranexamic acid (TXA) is an efficient antifibrinolytic agent; however, concerns remain about the potential adverse effects, particularly vascular occlusive events, that may be associated with its use. OBJECTIVE To examine the association between intravenous TXA and total thromboembolic events (TEs) and mortality in patients of all ages and of any medical disciplines. DATA SOURCE Cochrane Central Register of Controlled Trials and MEDLINE were searched for eligible studies investigating intravenous TXA and postinterventional outcome published between 1976 and 2020. STUDY SELECTION Randomized clinical trials comparing intravenous TXA with placebo/no treatment. The electronic database search yielded a total of 782 studies, and 381 were considered for full-text review. Included studies were published in English, German, French, and Spanish. Studies with only oral or topical tranexamic administration were excluded. DATA EXTRACTION AND SYNTHESIS Meta-analysis, subgroup and sensitivity analysis, and meta-regression were performed. This study followed the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guideline. MAIN OUTCOMES AND MEASURES Vascular occlusive events and mortality. RESULTS A total of 216 eligible trials including 125 550 patients were analyzed. Total TEs were found in 1020 (2.1%) in the group receiving TXA and 900 (2.0%) in the control group. This study found no association between TXA and risk for total TEs (risk difference = 0.001; 95% CI, -0.001 to 0.002; P = .49) for venous thrombosis, pulmonary embolism, venous TEs, myocardial infarction or ischemia, and cerebral infarction or ischemia. Sensitivity analysis using the risk ratio as an effect measure with (risk ratio = 1.02; 95% CI, 0.94-1.11; P = .56) and without (risk ratio = 1.03; 95% CI, 0.95-1.12; P = .52) studies with double-zero events revealed robust effect size estimates. Sensitivity analysis with studies judged at low risk for selection bias showed similar results. Administration of TXA was associated with a significant reduction in overall mortality and bleeding mortality but not with nonbleeding mortality. In addition, an increased risk for vascular occlusive events was not found in studies including patients with a history of thromboembolism. Comparison of studies with sample sizes of less than or equal to 99 (risk difference = 0.004; 95% CI, -0.006 to 0.014; P = .40), 100 to 999 (risk difference = 0.004; 95% CI, -0.003 to 0.011; P = .26), and greater than or equal to 1000 (risk difference = -0.001; 95% CI, -0.003 to 0.001; P = .44) showed no association between TXA and incidence of total TEs. Meta-regression of 143 intervention groups showed no association between TXA dosing and risk for venous TEs (risk difference, -0.005; 95% CI, -0.021 to 0.011; P = .53). CONCLUSIONS AND RELEVANCE Findings from this systematic review and meta-analysis of 216 studies suggested that intravenous TXA, irrespective of dosing, is not associated with increased risk of any TE. These results help clarify the incidence of adverse events associated with administration of intravenous TXA and suggest that TXA is safe for use with undetermined utility for patients receiving neurological care.
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Affiliation(s)
- Isabel Taeuber
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Stephanie Weibel
- Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Eva Herrmann
- Institute of Biostatistics and Mathematical Modelling, Goethe University Frankfurt, Frankfurt, Germany
| | - Vanessa Neef
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Tobias Schlesinger
- Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Peter Kranke
- Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Leila Messroghli
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Kai Zacharowski
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Suma Choorapoikayil
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Patrick Meybohm
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt am Main, Germany
- Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
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Reale D, Andriolo L, Gursoy S, Bozkurt M, Filardo G, Zaffagnini S. Complications of Tranexamic Acid in Orthopedic Lower Limb Surgery: A Meta-Analysis of Randomized Controlled Trials. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6961540. [PMID: 33532495 PMCID: PMC7834786 DOI: 10.1155/2021/6961540] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 12/23/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Tranexamic acid (TXA) is increasingly used in orthopedic surgery to reduce blood loss; however, there are concerns about the risk of venous thromboembolic (VTE) complications. The aim of this study was to evaluate TXA safety in patients undergoing lower limb orthopedic surgical procedures. DESIGN A meta-analysis was performed on the PubMed, Web of Science, and Cochrane Library databases in January 2020 using the following string (Tranexamic acid) AND ((knee) OR (hip) OR (ankle) OR (lower limb)) to identify RCTs about TXA use in patients undergoing every kind of lower limb surgical orthopedic procedures, with IV, IA, or oral administration, and compared with a control arm to quantify the VTE complication rates. RESULTS A total of 140 articles documenting 9,067 patients receiving TXA were identified. Specifically, 82 studies focused on TKA, 41 on THA, and 17 on other surgeries, including anterior cruciate ligament reconstruction, intertrochanteric fractures, and meniscectomies. The intravenous TXA administration protocol was studied in 111 articles, the intra-articular in 45, and the oral one in 7 articles. No differences in terms of thromboembolic complications were detected between the TXA and control groups neither in the overall population (2.4% and 2.8%, respectively) nor in any subgroup based on the surgical procedure and TXA administration route. CONCLUSIONS There is an increasing interest in TXA use, which has been recently broadened from the most common joint replacement procedures to the other types of surgeries. Overall, TXA did not increase the risk of VTE complications, regardless of the administration route, thus supporting the safety of using TXA for lower limb orthopedic surgical procedures.
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Affiliation(s)
- Davide Reale
- Clinica Ortopedica e Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Luca Andriolo
- Clinica Ortopedica e Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Safa Gursoy
- Department of Orthopaedics and Traumatology, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Murat Bozkurt
- Department of Orthopaedics and Traumatology, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Giuseppe Filardo
- Applied and Translational Research Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
- Facoltà di Scienze Biomediche, Università della Svizzera Italiana, Lugano, Switzerland
| | - Stefano Zaffagnini
- Clinica Ortopedica e Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Song F, Zheng Z. Intravenous versus topical tranexamic acid in lumbar interbody fusion: A protocol of randomized controlled trial. Medicine (Baltimore) 2020; 99:e20619. [PMID: 32541498 PMCID: PMC7302681 DOI: 10.1097/md.0000000000020619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Questions still remain about the safest and most effective route of administration for tranexamic acid (TXA) in lumbar interbody fusion. As such, the goal of this randomized clinical trial was to assess the efficacy and safety of topical TXA compared with intravenous TXA in lumbar interbody fusion. METHODS This was a prospectively randomized trial that investigated the effectiveness and safety of the intravenous and topical administrations of TXA with regard to lumbar interbody fusion. Approval from Clinical Studies Ethical Committee in our hospital was obtained. The patients were randomized to 1 of 2 treatment options:Patients, surgeons, anesthesiologists, nurses, and research assistants collecting data were blinded to group allocation. The primary outcome measures were perioperative calculated blood loss, total drain output at 24 hours, and perioperative blood transfusion rate. Secondary outcomes included an analysis of complications, namely symptomatic venous thromboembolism, cerebrovascular accident, and arterio-occlusive events. Data were analyzed using the statistical software package SPSS version 25.0 (Chicago, IL). RESULTS There are several limitations to this study. We did not include a group of patients who did not receive TXA. Another potential limitation is that the study population contains heterogeneity such as varying patient diagnosis and surgical technique/approach. Despite these limitations, the validity of our results should be maintained, as the same methodology was applied to both treatment arms. TRIAL REGISTRATION This study protocol was registered in Research Registry (researchregistry5564).
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10
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The effect of tranexamic acid on wound complications in primary total Hip Arthroplasty: A meta-analysis. Surgeon 2020; 18:53-61. [DOI: 10.1016/j.surge.2019.05.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 04/14/2019] [Accepted: 05/16/2019] [Indexed: 11/19/2022]
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11
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Pachore JA, Shah VI, Upadhyay S, Shah K, Sheth A, Kshatriya A. The use of tranexamic acid to reduce blood loss in uncemented total hip arthroplasty for avascular necrosis of femoral head: a prospective blinded randomized controlled study. ARTHROPLASTY 2019; 1:12. [PMID: 35240768 PMCID: PMC8796629 DOI: 10.1186/s42836-019-0012-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 10/22/2019] [Indexed: 11/13/2022] Open
Abstract
Background The purpose of this prospective, double-blinded, randomized controlled study is to assess the efficacy of administration of intravenous tranexamic acid (TXA) for reducing blood loss in uncemented total hip arthroplasty (THA) for the treatment of osteonecrosis of femoral head. Methods Between April 2012 and March 2014, 73 patients with avascular necrosis of femoral head were treated in our center. The patients were randomized and allocated to study group (n = 36; treated with TXA) and control group (n = 37). Intra- and postoperative blood loss, blood transfusion, and incidence of deep vein thrombosis were assessed. A p value less than 0.05 was considered statistically significant. Results The intraoperative, postoperative, and total (clinical method and Gross’ formula) blood loss were significantly greater in the control group (p < 0.05). On the first, second, and third postoperative days, the levels of hemoglobin and hematocrit were significantly better in the study group (p < 0.05). There was a significantly greater number of patients who required blood transfusion in the control group (p = .027). Deep vein thrombosis was not found in either group. Conclusions A single dose of TXA used preoperatively may minimize intraoperative, postoperative, and total blood loss in uncemented THA for the treatment of osteonecrosis of femoral head, and may not increase the risk of prothrombotic complications.
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12
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Application of thrombelastography in primary total knee and total hip replacement. Blood Coagul Fibrinolysis 2019; 30:281-290. [DOI: 10.1097/mbc.0000000000000839] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Xin WQ, Gao YL, Shen J, Yang XY. Intravenous tranexamic acid reduces blood transfusions in revision total hip arthroplasty: a meta-analysis. J Comp Eff Res 2019; 8:917-928. [PMID: 31436114 DOI: 10.2217/cer-2019-0030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Aim: We performed a meta-analysis to systematically assess the efficacy and safety of intravenous tranexamic acid in revision total hip arthroplasty. Method: Potential academic articles were identified from Cochrane Library, Medline, PubMed, EMBASE, ScienceDirect and other databases. The time range we retrieved from was that from the inception of electronic databases to February 2019. Gray studies were identified from the references of included literature reports. STATA version 11.0 was used to analyze the pooled data. Results: A total of eight articles were involved in our study. The overall participants of tranexamic acid (TXA) group were 3533, whereas it was 11,007 in the control group. Our meta-analysis showed that TXA is preferable for revision total hip arthroplasty because of its lower value of hemoglobin reduction (weighted mean difference = -1.277-1.405; 95% CI: -1.996 to -0.559; p < 0.001), the rate of blood transfusion (odds ratio: 0.233; 95% CI: 0.129-0.422; p < 0.001) and the number of red blood cell units transfused (weighted mean difference = -0.978; 95% CI = -1.631 to -0.324; p = 0.003). However, there was no difference in calculated blood loss (p = 0.075), operation duration (p = 0.569) and venous thromboembolism complications (p = 0.338). Conclusion: Based on available evidence, use of intravenous TXA for patients undergoing revision arthroplasty may reduce hemoglobin reduction, number of red blood cell units transfused and blood transfusion rate without increasing the risk of venous thromboembolism and length of operation duration. Given the relevant possible biases in our study, adequately powered and better-designed studies with long-term follow-up are required to reach a firmer conclusion.
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Affiliation(s)
- Wen-Qiang Xin
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 30052, PR China
| | - Ya-Long Gao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 30052, PR China
| | - Jun Shen
- Department of Neurosurgery, Yijishan Hospital of Wannan Medical College, Wuhu, PR China
| | - Xin-Yu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 30052, PR China
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Gulabi D, Yuce Y, Erkal KH, Saglam N, Camur S. The combined administration of systemic and topical tranexamic acid for total hip arthroplasty: Is it better than systemic? ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2019; 53:297-300. [PMID: 30954338 PMCID: PMC6739252 DOI: 10.1016/j.aott.2019.03.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 01/10/2019] [Accepted: 03/03/2019] [Indexed: 11/20/2022]
Abstract
OBECTIVE The aim of this study was to evaluate the effect of combined intravenous and topical use of tranexamic acid (TXA) on total blood loss and transfusion rate in total hip arthroplasty. METHODS This prospective randomized study included 57 patients who had undergone total hip arthroplasty between September 2016 and September 2017. The IV administration group (Group 1) consisted of 26 patients (mean age: 63.73 ± 10.29 years), while the IV and topical administiration group (Group 2) consisted of 22 patients (62.82 ± 8.31 years). Demographic data and outcomes were obtained through a review of individual medical records. Medical comorbidities, body mass index (BMI), ASA and CCI, preoperative and postoperative hemoglobin levels, postoperative transfusion records and 90-day joint-related (implant subsidence, dislocation, postoperative anemia, deep infection, hematoma and/or wound problem, postoperative periprosthetic fracture) readmission rate and complication rate were compared between the groups. RESULTS No significant differences were observed between the 2 groups in terms of age, gender, height, weight, body mass index (BMI), the level of preoperative Hb values, and the American Society of Anesthesiologists (ASA) and Charleson Comorbidty Index (CCI) rating (p > 0.05). The mean postoperative Hgb in the group 2 was higher by a small amount compared to the group 1. No statistically significant difference was determined between the groups in respect of the Hgb values (p = 0.562). Hgb Delta in the group 2 was lower than that of the group 1. The difference between the groups in the Hgb Delta values was not statistically significant (p = 0.268). The mean total blood loss was lower in the group 2 than in the group 1 but the difference was not statistically significant (p = 0.788). There was no significant difference observed in terms of any adverse complications among the 2 groups (p > 0.05). CONCLUSION The combined administration of IV and topical TXA compared with IV alone can decrease total blood loss and the number of blood transfusions required without increasing the risk of DVT or/and PE in total hip arthroplasty. But the statistical analysis and clinical relevance is not significant. LEVEL OF EVIDENCE Level I Therapeutic Study.
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Affiliation(s)
- Deniz Gulabi
- Bahcesehir University, Faculty of Medicine, Orthopaedic and Traumatology Department, İstanbul, Turkey.
| | - Yucel Yuce
- Saglik Bilimleri University, Kartal Dr. Lütfi Kırdar Training and Research Hospital, İstanbul, Turkey.
| | - Kutlu Hakan Erkal
- Saglik Bilimleri University, Kartal Dr. Lütfi Kırdar Training and Research Hospital, İstanbul, Turkey.
| | - Necdet Saglam
- Saglik Bilimleri University, Umraniy Training and Research Hospital, Istanbul, Turkey.
| | - Savas Camur
- Saglik Bilimleri University, Umraniy Training and Research Hospital, Istanbul, Turkey.
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15
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Short-term safety of tranexamic acid use in posterior cervical decompression and fusion surgery. J Clin Neurosci 2019; 66:41-44. [PMID: 31155344 DOI: 10.1016/j.jocn.2019.05.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 04/25/2019] [Accepted: 05/21/2019] [Indexed: 11/21/2022]
Abstract
Posterior cervical decompression and fusion (PCDF) can result in substantial blood loss, leading to blood transfusions and associated complications, such as infections, hypotension and organ damage. The antifibrinolytic tranexamic acid (TXA), an inhibitor of the activation of plasminogen, has been shown to be beneficial in multiple surgical procedures without any apparent increase in postoperative complications. However, there are only few studies reporting TXA utilization in cervical spine surgery and there is currently no literature detailing the short-term safety of its use in this setting. The purpose of our study is to determine the safety profile of TXA in posterior cervical decompression and fusion. From January 2015 to April 2018, 47 patients were identified to have undergone PCDF, 19 with the utilization of a TXA protocol at our institution. The incidence of adverse events was evaluated in the perioperative period and at 1 month follow-up. Of 39 patients, Nineteen (49%) received TXA as per our instructional protocol and 20 (51%) did not. Post-operative blood was significantly reduced (453 ml vs 701 ml; p = 0.03) in the group that received TXA. There was also a significant reduction in duration of surgery associated with TXA use (269 min vs 328 min; p = 0.05). There were no complications on the first 30 days after surgical intervention on the TXA group. TXA use during PCDF is a safe, effective method to reduce postoperative blood loss. Considering the limited number of patients in this study, these results should be validated on a larger group of patients.
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16
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The Use of Tranexamic Acid to Reduce Surgical Blood Loss: A Review Basic Science, Subspecialty Studies, and The Evolution of Use in Spine Deformity Surgery. Clin Spine Surg 2019; 32:46-50. [PMID: 30789494 DOI: 10.1097/bsd.0000000000000808] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Significant blood loss is often seen in orthopedic surgeries, especially complex spinal procedures that constitute long surgical times, large incisions, and rich blood supplies. Tranexamic acid (TXA), a synthetic analog of the amino acid lysine, has proven to be a cost-effective method in decreasing transfusion rates and avoiding complications associated with low blood volume. Recent data on TXA's use in spine surgery suggest that TXA remains both efficacious and safe, although the ideal dosing and timing of administration is still a point of disagreement. The purpose of this study is to review the literature for the use of TXA in spine surgery to better understand its safety profile and ideal dosage. This narrative review on TXA was conducted on prospective orthopedic studies that used TXA in spine deformity surgery. TXA in adult and pediatric spine surgery has decreased intraoperative and postoperative blood loss, decreasing the need for blood transfusions. The most common dose in the literature is a 10 mg/kg loading dose, followed by 1 mg/kg per hour. Although the proper dosing of TXA for spine surgery remains debatable, studies have proven that TXA is effective at reducing blood loss without increasing the risk of thrombotic events.
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17
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Zhao Z, Ma J, Ma X. Comparative efficacy and safety of different hemostatic methods in total hip arthroplasty: a network meta-analysis. J Orthop Surg Res 2019; 14:3. [PMID: 30609925 PMCID: PMC6319007 DOI: 10.1186/s13018-018-1028-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 12/03/2018] [Indexed: 11/29/2022] Open
Abstract
Background It is unclear which kind of interventional therapy is the best when reducing blood loss in patients prepared for total hip arthroplasty (THA). We performed this network meta-analysis to rank the best intervention arm for blood loss control in THA patients. Methods We searched electronic databases about randomized controlled trials (RCTs) to compare three treatments (topical tranexamic acid (TXA), intravenous TXA, and topical fibrin sealant (FS)) versus placebo for the people prepared for THA. Traditional and network meta-analyses were performed. The quality assessment was conducted using Cochrane Collaboration’s tool. The network meta-analysis was conducted using Stata 13.0 software. Results Finally, a total of 32 RCTs were included in this network meta-analysis. Topical TXA, intravenous TXA, and topical FS significantly decreased the need for transfusion and total blood loss when compared with placebo. And intravenous TXA ranks the first hemostasis agent for reducing the need for transfusion and total blood loss. There was no significant difference between these three treatments (intravenous TXA, topical TXA, and topical FS) in the occurrence of deep venous thrombosis (DVT). Conclusion Intravenous TXA may be the best way to reduce the need for transfusion and total blood loss. More direct studies that focused on topical TXA versus FS are needed in the future.
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Affiliation(s)
- Zhihu Zhao
- Department of orthopedics, Tianjin Hospital, Tianjin, China
| | - Jianxiong Ma
- Tianjin Institute of Orthopedics in Traditional Chinese and Western Medicine, Tianjin Hospital, NO.155 Munan Road, Tianjin, 300050, China
| | - Xinlong Ma
- Tianjin Institute of Orthopedics in Traditional Chinese and Western Medicine, Tianjin Hospital, NO.155 Munan Road, Tianjin, 300050, China.
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El Beheiry H, Lubberdink A, Clements N, Dihllon K, Sharma V. Tranexamic acid administration to older patients undergoing primary total hip arthroplasty conserves hemoglobin and reduces blood loss. Can J Surg 2018; 61:177-184. [PMID: 29806815 DOI: 10.1503/cjs.012817] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Tranexamic acid effects in older people are difficult to predict. This study investigated the following research questions: 1) Is tranexamic acid effective in older patients undergoing primary total hip arthroplasty (THA)? and 2) Is there a difference in the effect of tranexamic acid between younger and older patients? METHODS This was a 2-phase retrospective matched-pair study of patients who underwent THA in 2007-2013. All procedures were performed by surgeons with at least 10 years' experience as senior consultant. In the first phase, 58 patients aged 65 years or more who received tranexamic acid were matched 1:1 with patients who did not receive tranexamic acid for age, sex, American Society of Anesthesiologists (ASA) classification and body mass index. In the second phase, 58 patients aged 65 years or more who received tranexamic acid were matched 1:1 with patients less than 65 years of age who received tranexamic acid for sex, ASA classification and body mass index. The primary outcome measures were percent maximum decrease in hemoglobin level and estimated blood loss after surgery. RESULTS In the first phase, patients who received tranexamic acid conserved postoperative hemoglobin by a mean of 10.26 g/L (standard deviation [SD] 9.89 g/L) compared to the control group (p < 0.001). The mean difference in the estimated perioperative blood loss between the 2 groups was 410 mL (SD 376 mL) (p < 0.001), which indicated less bleeding in the treatment group. In the second phase, there was no difference between the younger (mean age 55.1 [SD 7.28] yr) and older (mean age 75.6 [SD 6.35] yr) groups in mean lowest postoperative hemoglobin level or percent decrease in hemoglobin level. CONCLUSION Tranexamic acid reduced the postoperative decrease in hemoglobin level and blood loss in older patients. Moreover, the significant hemoglobin-sparing effect of tranexamic acid in older patients was similar to that observed in younger patients.
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Affiliation(s)
- Hossam El Beheiry
- From the Department of Anesthesia, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (El Beheiry, Lubberdink); the Department of Orthopedic Surgery, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (Clements, Dihllon, Sharma); the Department of Anesthesia, University of Toronto, Toronto, Ont. (El Beheiry, Lubberdink); and the Department of Surgery, Division of Orthopedics, University of Toronto, Toronto, Ont. (Clements)
| | - Ashley Lubberdink
- From the Department of Anesthesia, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (El Beheiry, Lubberdink); the Department of Orthopedic Surgery, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (Clements, Dihllon, Sharma); the Department of Anesthesia, University of Toronto, Toronto, Ont. (El Beheiry, Lubberdink); and the Department of Surgery, Division of Orthopedics, University of Toronto, Toronto, Ont. (Clements)
| | - Nigel Clements
- From the Department of Anesthesia, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (El Beheiry, Lubberdink); the Department of Orthopedic Surgery, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (Clements, Dihllon, Sharma); the Department of Anesthesia, University of Toronto, Toronto, Ont. (El Beheiry, Lubberdink); and the Department of Surgery, Division of Orthopedics, University of Toronto, Toronto, Ont. (Clements)
| | - Kiran Dihllon
- From the Department of Anesthesia, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (El Beheiry, Lubberdink); the Department of Orthopedic Surgery, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (Clements, Dihllon, Sharma); the Department of Anesthesia, University of Toronto, Toronto, Ont. (El Beheiry, Lubberdink); and the Department of Surgery, Division of Orthopedics, University of Toronto, Toronto, Ont. (Clements)
| | - Vicky Sharma
- From the Department of Anesthesia, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (El Beheiry, Lubberdink); the Department of Orthopedic Surgery, Trillium Health Partners, Mississauga Hospital, Mississauga, Ont. (Clements, Dihllon, Sharma); the Department of Anesthesia, University of Toronto, Toronto, Ont. (El Beheiry, Lubberdink); and the Department of Surgery, Division of Orthopedics, University of Toronto, Toronto, Ont. (Clements)
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Safety of intravenous tranexamic acid in patients undergoing majororthopaedic surgery: a meta-analysis of randomised controlled trials. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2018. [PMID: 29337665 DOI: 10.2450//2017.0219-17] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Among the various pharmacological options to decrease peri-operative bleeding, tranexamic acid appears to be one of the most interesting. Several trials have consistently documented the efficacy of this synthetic drug in reducing the risk of blood loss and the need for allogeneic blood transfusion in patients undergoing total hip and knee arthroplasty. The safety of intravenous tranexamic acid in major orthopaedic surgery, particularly regarding the risk of venous thromboembolism, was systematically analysed in this review. A systematic search of the literature identified 73 randomised controlled trials involving 4,174 patients and 2,779 controls. The raw overall incidence of venous thromboembolism was 2.1% in patients who received intravenous tranexamic acid and 2.0% in controls. A meta-analytic pooling showed that the risk of venous thromboembolism in tranexamic acid-treated patients was not significantly different from that of controls (risk difference: 0.01%, 95% confidence interval [CI]: -0.05%, 0.07%; risk ratio: 1.067, 95% CI: 0.760-1.496). Other severe drug-related adverse events occurred very rarely (0.1%). In conclusion, the results of this systematic review and meta-analysis show that intravenous tranexamic acid is a safe pharmacological treatment to reduce blood loss and transfusion requirements in patients undergoing major orthopaedic surgery.
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20
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Yates J, Perelman I, Khair S, Taylor J, Lampron J, Tinmouth A, Saidenberg E. Exclusion criteria and adverse events in perioperative trials of tranexamic acid: a systematic review and meta-analysis. Transfusion 2018; 59:806-824. [PMID: 30516835 DOI: 10.1111/trf.15030] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 10/01/2018] [Accepted: 10/06/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Tranexamic acid (TXA) is an inexpensive therapy effective at minimizing perioperative blood loss and transfusion. However, it remains underutilized due to safety concerns. To date, no evidence-based guidelines exist identifying which patients should not receive TXA therapy. This study determined patient groups for whom safety information regarding TXA is lacking due to common exclusion from perioperative TXA trials. STUDY DESIGN AND METHODS A systematic review searching the databases Medline, EMBASE, CENTRAL, and Clinicaltrials.gov was performed. Randomized controlled trials (RCTs) administering systemic TXA perioperatively to elective or emergent surgery patients were eligible. Our primary outcome was to describe exclusion criteria of RCTs, and the secondary outcome was TXA safety. A descriptive synthesis of exclusion criteria was performed, and TXA safety was assessed by meta-analysis. RESULTS A total of 268 eligible RCTs were included. Meta-analysis showed that systemic TXA did not increase risk of adverse events compared to placebo or no intervention (relative risk, 1.05; 95% confidence interval, 0.99-1.12). Patient groups commonly excluded from perioperative TXA trials, and thus potentially lacking TXA safety data, were those with major comorbidities, a history of thromboembolism, medication use affecting coagulation, TXA allergy, and coagulopathy. Exclusion of patients with major comorbidities may not be necessary; we showed that the risk of adverse events was similar in studies that excluded patients with major comorbidities and those that did not. CONCLUSION Sufficient evidence exists to develop perioperative guidelines for TXA use in many populations. Further studies evaluating perioperative TXA use in patients with a history of thromboembolism are warranted.
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Affiliation(s)
- Jeffrey Yates
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Iris Perelman
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Simonne Khair
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Joshua Taylor
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Jacinthe Lampron
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Ottawa Hospital, Ottawa, Ontario, Canada
| | - Alan Tinmouth
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Ottawa Hospital, Ottawa, Ontario, Canada
| | - Elianna Saidenberg
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Ottawa Hospital, Ottawa, Ontario, Canada
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Yoon BH, Kim TY, Ko YS, Lee YK, Ha YC, Koo KH. Optimal use of tranexamic acid for total hip arthroplasty: A network meta-analysis. PLoS One 2018; 13:e0206480. [PMID: 30379905 PMCID: PMC6209331 DOI: 10.1371/journal.pone.0206480] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 10/12/2018] [Indexed: 01/13/2023] Open
Abstract
Background Tranexamic acid (TXA) has been demonstrated to minimize blood loss after total hip arthroplasty. There are three main routes: intravenous (IV), intra-articular (topical), and combined (IV and topical) but little consensus support which is most effective and safe. We performed network meta-analysis.to assess the comparative efficacy and safety of three different administration routes of TXA. Methods Twenty-five randomized controlled trials (RCT) were evaluated. Interventions were classified as: combined, IV multiple, IV single, topical and placebo. The primary outcome was effectiveness (transfusion rate, total blood loss, and total drain out). The secondary outcome was safety, based on the incidence of deep venous thrombosis (DVT) and pulmonary embolism (PE). Results A total of 2227 patients were included in the 5 categories: 564 IV single, 319 IV multiple, 398 topical, 120 combined, and 826 placebo. A network meta-analysis identified the most effective interventions in terms of reducing the need for transfusion as follows: combined = 98.2%, IV single = 54.0%, IV multiple = 78.6%, topical = 66.1%, placebo = 0.0%. Compared with placebo, the IV single, IV multiple, topical, and combined interventions showed no difference in the rate of occurrence of DVT and PE. Conclusions A network meta-analysis indicated that combined administration of TXA (IV and topical) was effective in reducing the transfusion rate after hip arthroplasty compared with IV or topical alone. As no high-risk patients were evaluated in the RCTs, it is not known whether the combined method is safer for patients susceptible to DVT or PE.
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Affiliation(s)
- Byung-Ho Yoon
- Department of Orthopaedic Surgery, Inje University College of Medicine, Seoul Paik Hospital, Seoul, Korea
| | - Tae-young Kim
- Department of Orthopaedic Surgery, Konkuk University Medical Center, School of Medicine, Konkuk University, Seoul, Korea
- * E-mail:
| | - Young Seung Ko
- Department of Orthopaedic Surgery, Inje University College of Medicine, Seoul Paik Hospital, Seoul, Korea
| | - Young-Kyun Lee
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yong-Chan Ha
- Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Kyung-Hoi Koo
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
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Zhou KD, Wang HY, Wang Y, Liu ZH, He C, Feng JM. Is topical or intravenous tranexamic acid preferred in total hip arthroplasty? A randomized, controlled, noninferiority clinical trial. PLoS One 2018; 13:e0204551. [PMID: 30278067 PMCID: PMC6168126 DOI: 10.1371/journal.pone.0204551] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 09/11/2018] [Indexed: 11/23/2022] Open
Abstract
Purpose The present study aimed to confirm the efficacy and safety of topical and intravenous tranexamic acid (TXA) compared with that of topical placebo and to assess the noninferiority between the two application methods of TXA in patients undergoing unilateral primary total hip arthroplasty. Methods Our randomized controlled trial investigated 170 patients with 1:1:1 allocation to two doses of 10-mg/kg intravenous TXA, 3-g topical TXA, and topical placebo of 60-ml physiological saline groups. The primary outcome, total blood loss, was calculated with Nadler and Gross formula. The secondary outcomes included allogeneic blood transfusion requirement, drain blood loss, decreased hemoglobin level. Noninferiority would be established when the upper limit 95% CI is lower than 250 ml of the noninferiority margin for the mean difference of total blood loss between topical and intravenous TXA. Thromboembolic complication incidence was considered as a safety outcome. Results The total blood loss of patients administered intravenous (mean±standard deviation, 1125±514 ml) and topical TXA (1211±425 ml) was significantly reduced compared with that of those administered topical placebo (1464±556 ml) (p = 0.0012). Drain blood loss and hemoglobin level reduction in patients administered with TXA were also significantly lower than those in patients administered topical placebo. The mean difference of total blood loss between topical and intravenous TXA is 86 ml (95% CI, −88 to 260 ml). The complications were comparable between patients managed with TXA and patients with topical placebo. Conclusion The noninferiority of topical TXA to intravenous TXA can not be concluded. Considering no significant difference was found in all efficacy outcomes between the two administration methods. Any of the two TXA administration methods can be adopted for blood loss prevention in total hip arthroplasty.
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Affiliation(s)
- Kai-di Zhou
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong-yi Wang
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai, China
| | - Yi Wang
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai, China
| | - Zhi-hong Liu
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai, China
| | - Chuan He
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai, China
| | - Jian-min Feng
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai, China
- * E-mail:
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The Safety of Tranexamic Acid in Total Joint Arthroplasty: A Direct Meta-Analysis. J Arthroplasty 2018; 33:3070-3082.e1. [PMID: 29699826 DOI: 10.1016/j.arth.2018.03.031] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/12/2018] [Accepted: 03/15/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Tranexamic acid (TXA) is effective in reducing blood loss in total joint arthroplasty (TJA), but concerns still remain regarding the drug's safety. The purpose of this direct meta-analysis was to evaluate and establish a basis for the safety recommendations of the combined clinical practice guidelines on the use of TXA in primary TJA. METHODS A search was completed for studies published before July 2017 on TXA in primary TJA. We performed qualitative and quantitative homogeneity testing and a direct comparison meta-analysis. We used the American Society of Anesthesiologists (ASA) score of 3 or greater as a proxy for patients at higher risk for complications in general and performed a meta-regression analysis to investigate the influence of comorbidity burden on the risk of arterial thromboembolic event and venous thromboembolic event (VTE). RESULTS Topical, intravenous, and oral TXA were not associated with an increased risk of VTE after TJA. In addition, meta-regression demonstrated that TXA use in patients with an ASA status of 3 or greater was not associated with an increased risk of VTE after total knee arthroplasty. CONCLUSION Although most studies included in our analysis excluded patients with a history of prior thromboembolic events, our findings support the lack of evidence of harm from TXA administration in patients undergoing TJA. Moderate evidence supports the safety of TXA in patients undergoing total knee arthroplasty with an ASA score of 3 or greater. The benefits of using TXA appear to outweigh the potential risks of thromboembolic events even in patients with a higher comorbidity.
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Fillingham YA, Ramkumar DB, Jevsevar DS, Yates AJ, Shores P, Mullen K, Bini SA, Clarke HD, Schemitsch E, Johnson RL, Memtsoudis SG, Sayeed SA, Sah AP, Della Valle CJ. The Efficacy of Tranexamic Acid in Total Hip Arthroplasty: A Network Meta-analysis. J Arthroplasty 2018; 33:3083-3089.e4. [PMID: 30007789 DOI: 10.1016/j.arth.2018.06.023] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/07/2018] [Accepted: 06/18/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Tranexamic acid (TXA) is an antifibrinolytic agent commonly used to reduce blood loss in total hip arthroplasty (THA). The purpose of our study was to evaluate the efficacy of TXA in primary THA to support the combined clinical practice guidelines of the American Association of Hip and Knee Surgeons, American Academy of Orthopaedic Surgeons, Hip Society, Knee Society, and American Society of Regional Anesthesia and Pain Medicine on the use of TXA in primary total joint arthroplasty. METHODS A search was performed using Ovid-MEDLINE, Embase, Cochrane Reviews, Scopus, and Web of Science databases to identify all publications before July 2017 on TXA in primary THA. We completed qualitative and quantitative homogeneity testing of all included studies. Direct and indirect comparisons were analyzed using a network meta-analysis followed by consistency testing of the results. RESULTS Two thousand one hundred thirteen publications underwent critical appraisal with 34 publications identified as representing the best available evidence for inclusion in the analysis. Topical, intravenous, and oral TXA formulations provided reduced blood loss and risk of transfusion compared to placebo, but no formulation was clearly superior. Use of repeat doses, higher doses, or variation in timing of administration did not significantly reduce blood loss or risk of transfusion. CONCLUSIONS Strong evidence supports the use of TXA to reduce blood loss and risk of transfusion after primary THA. No specific routes of administration, dosage, dosing regimen, or time of administration provides clearly superior blood-sparing properties.
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Affiliation(s)
- Yale A Fillingham
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL
| | - Dipak B Ramkumar
- Department of Orthopaedic Surgery, Dartmouth Hitchcock Medical Center, Lebanon, NH
| | - David S Jevsevar
- Department of Orthopaedic Surgery, Dartmouth Hitchcock Medical Center, Lebanon, NH
| | - Adolph J Yates
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Peter Shores
- Department of Research, Quality, and Scientific Affairs, American Academy of Orthopaedic Surgeons, Rosemont, IL
| | - Kyle Mullen
- Department of Research, Quality, and Scientific Affairs, American Academy of Orthopaedic Surgeons, Rosemont, IL
| | - Stefano A Bini
- Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, CA
| | - Henry D Clarke
- Department of Orthopaedic Surgery, Mayo Clinic, Phoenix, AZ
| | - Emil Schemitsch
- Department of Orthopaedic Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Rebecca L Johnson
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN
| | | | | | | | - Craig J Della Valle
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL
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Effects of high-dose tranexamic acid in total hip replacement: A prospective, double-blind, randomized controlled study. JOURNAL OF SURGERY AND MEDICINE 2018. [DOI: 10.28982/josam.441116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Sridharan K, Sivaramakrishnan G. Tranexamic acid in total hip arthroplasty: Mixed treatment comparisons of randomized controlled trials and cohort studies. J Orthop 2018; 15:81-88. [PMID: 29657445 DOI: 10.1016/j.jor.2018.01.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 01/14/2018] [Indexed: 01/08/2023] Open
Abstract
Background The present study is a network meta-analysis of various routes of tranexamic acid (TXA) in patients with total hip arthroplasty (THA). Methods Randomized controlled trials and cohort studies evaluating TXA in patients with THA were included. Number of patients requiring blood transfusion was the primary outcome. Results Pooled estimate for TXA use against placebo for blood transfusion rate was 0.30 [0.23, 0.39] favoring TXA. Maximum reduction in the risk of blood transfusion was observed with topical plus intra-operative intravenous TXA. Conclusion Combined topical and intravenous TXA during surgery may perform better than other modes in patients undergoing THA.
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Affiliation(s)
- Kannan Sridharan
- Department of Pharmacology and Therapeutics, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Gowri Sivaramakrishnan
- School of Oral Health, College of Medicine, Nursing and Health Sciences, Fiji National University, Suva, Fiji
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Safety of intravenous tranexamic acid in patients undergoing majororthopaedic surgery: a meta-analysis of randomised controlled trials. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2018; 16:36-43. [PMID: 29337665 PMCID: PMC5770313 DOI: 10.2450/2017.0219-17] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 10/30/2017] [Indexed: 01/28/2023]
Abstract
Among the various pharmacological options to decrease peri-operative bleeding, tranexamic acid appears to be one of the most interesting. Several trials have consistently documented the efficacy of this synthetic drug in reducing the risk of blood loss and the need for allogeneic blood transfusion in patients undergoing total hip and knee arthroplasty. The safety of intravenous tranexamic acid in major orthopaedic surgery, particularly regarding the risk of venous thromboembolism, was systematically analysed in this review. A systematic search of the literature identified 73 randomised controlled trials involving 4,174 patients and 2,779 controls. The raw overall incidence of venous thromboembolism was 2.1% in patients who received intravenous tranexamic acid and 2.0% in controls. A meta-analytic pooling showed that the risk of venous thromboembolism in tranexamic acid-treated patients was not significantly different from that of controls (risk difference: 0.01%, 95% confidence interval [CI]: -0.05%, 0.07%; risk ratio: 1.067, 95% CI: 0.760-1.496). Other severe drug-related adverse events occurred very rarely (0.1%). In conclusion, the results of this systematic review and meta-analysis show that intravenous tranexamic acid is a safe pharmacological treatment to reduce blood loss and transfusion requirements in patients undergoing major orthopaedic surgery.
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Efficacy and safety of the topical application of tranexamic acid in primary cementless hip arthroplasty: Prospective, randomised, double-blind and controlled study. Rev Esp Cir Ortop Traumatol (Engl Ed) 2018. [DOI: 10.1016/j.recote.2017.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Zhu J, Zhu Y, Lei P, Zeng M, Su W, Hu Y. Efficacy and safety of tranexamic acid in total hip replacement: A PRISMA-compliant meta-analysis of 25 randomized controlled trials. Medicine (Baltimore) 2017; 96:e9552. [PMID: 29384974 PMCID: PMC6393088 DOI: 10.1097/md.0000000000009552] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Hip osteoarthritis is one of the most prevalent musculoskeletal degenerative diseases in elderly. Total hip arthroplasty (THA) is the most effective surgical treatment for end stage hip osteoarthritis. Tranexamic acid (TA) is a potent drug to reduce surgical blood loss in surgery, therefore, as a potential drug for application in THA. OBJECTIVES To identify the combined efficacy of TA administration in THA. A meta-analysis including 25 randomized controlled trials was conducted for generating synthesized effects. METHODS This meta-analysis followed the Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines for reporting systematic reviews and meta-analysis. A total of 25 Randomized controlled trials (RCTs) were included for meta-analysis. RESULTS The pooled results illustrated that total blood loss, intraoperative blood loss, postoperative blood loss, hemoglobin drop, transfusion rate, and average hospital stay were significantly lower than controls (standardized mean difference or odds ratio (OR) (95%CI): -0.87, (-1.13,-0.61), -0.68, (-0.96,-0.39), -1.41, (-2.24,-0.59), -1.11, (-1.63,-0.58), 0.28, (0.20,-0.38), -0.17, (-0.49,0.14), P < .05, respectively). Moreover, TA acts efficiently without increasing risk of thromboembolic events with OR = 1.14, 95%CI = 0.50-2.62, P = .75. Subgroup analysis indicated no statistically significant differences between a higher dose of topical TA (≥2 g or 15 mg/kg) or a lower dose (<2 g or 15 mg/kg). CONCLUSION The findings indicated that TA is clinically effective and safe in patients receiving total hip arthroplasty.
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Efficacy and safety of the topical application of tranexamic acid in primary cementless hip arthroplasty: prospective, randomised, double-blind and controlled study. Rev Esp Cir Ortop Traumatol (Engl Ed) 2017; 62:47-54. [PMID: 29128416 DOI: 10.1016/j.recot.2017.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 07/19/2017] [Accepted: 09/03/2017] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE To evaluate the efficacy of topical tranexamic acid topical in cementless total hip arthroplasty from the point of view of bleeding, transfusion requirements and length of stay, and describe the complications of use compared to a control group. MATERIAL AND METHODS A prospective, randomised, double-blinded and controlled study including all patients undergoing cementless total hip arthroplasty in our centre between June 2014 and July 2015. Blood loss was estimated using the formula described by Nadler and Good. RESULTS The final analysis included 119 patients. The decrease in haemoglobin after surgery was lower in the tranexamic acid group (3.28±1.13g/dL) than in the controls (4.03±1.27g/dL, P=.001) and estimated blood loss (1,216.75±410.46mL vs. 1,542.12±498.97mL, P<.001), the percentage of transfused patients (35.9% vs. 19.3%, P<.05) and the number of transfused red blood cell units per patient (0.37±0.77 vs. 0.98±1.77; P<.05). There were no differences between groups in the occurrence of complications or length of stay. CONCLUSIONS The use of topical tranexamic acid in cementless total hip arthroplasty results in a decrease in bleeding and transfusion requirements without increasing the incidence of complications.
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Sridharan K, Sivaramakrishnan G. Tranexamic acid in total hip arthroplasty: A recursive cumulative meta-analysis of randomized controlled trials and assessment of publication bias. J Orthop 2017; 14:323-328. [PMID: 28559649 PMCID: PMC5440691 DOI: 10.1016/j.jor.2017.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 05/14/2017] [Indexed: 12/01/2022] Open
Abstract
INTRODUCTION TXA has been evaluated in THA in several randomized controlled trials for the past 16 years. We attempted to evaluate the trends in the evidence using recursive cumulative meta-analysis and publication bias using Rosenthal and 'Trim and Fill' methods. METHODS Electronic databases were searched for randomized controlled clinical trials comparing TXA with either placebo (or no TXA administration) or TXA, administered through different routes in patients with osteoarthritis or osteonecrosis of the hip who underwent THA. We considered the total number of patients requiring blood transfusion as the clinical outcome for both the analyses and used quality effects model for assessing the changes in the pooled estimates with addition of new clinical trial data. We also assessed the publication bias by plotting individual study estimates with the standard errors using Rosenthal and 'Trim and Fill'methods. RESULTS A total of 20 studies were included. The pooled cumulative meta-analysis indicates that from 2014 the addition of estimate from new studies in the following years is only narrowing the confidence interval without any significant change in the point estimate. Rosenthal fail-safe-N for the comparisons of intravenous bolus TXA, intra-operative and post-operative intravenous TXA and topical with control groups were 54, 6 and 16 respectively. Fail-safe-N for the combined intravenous and topical TXA with intravenous TXA alone was 13. CONCLUSION Adequate evidence exists supporting the use of intravenous TXA in reducing the need for blood transfusion in THA. There is possible existence of small studies with null effects evaluating the use of TXA in THA.
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Affiliation(s)
- Kannan Sridharan
- Associate Professor in Pharmacology, School of Health Sciences, College of Medicine, Nursing and Health Sciences, Fiji National University, Suva, Fiji
| | - Gowri Sivaramakrishnan
- Assistant Professor in Prosthodontics, School of Oral Health, College of Medicine, Nursing and Health Sciences, Fiji National University, Suva, Fiji
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Lopez-Picado A, Albinarrate A, Barrachina B. Determination of Perioperative Blood Loss: Accuracy or Approximation? Anesth Analg 2017; 125:280-286. [PMID: 28368940 DOI: 10.1213/ane.0000000000001992] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Various different interventions can be used to reduce surgical blood loss; however, there is no "gold standard" for accurately measuring the volume of perioperative blood loss, and this makes it difficult to assess the efficacy of these interventions. METHODS We used data from a previous multicenter double-blind randomized clinical trial in patients undergoing total hip arthroplasty in which we compared 2 regimens for administering tranexamic acid versus placebo. We assessed direct measures (external blood loss) and indirect estimates (using the formulas of Bourke, Gross, Mercuriali, and Camarasa and a new formula we have developed) using analysis of variance to compare estimated volumes of blood loss among the study groups. In addition, intraclass correlation coefficients (ICCs) and Bland-Altman diagrams were used to compare the estimated volumes of blood loss obtained with each formula. RESULTS The mean estimated external blood loss was 909 ± 324 mL, and the mean estimates of blood loss calculated using the formulas of Gross, Bourke and Smith, and Camarasa were 1308 ± 555, 1091 ± 454, and 1641 ± 945 mL, respectively, whereas we obtained a value of 1511 ± 919 mL with the new formula at day 2. In all cases, the results favored the use of tranexamic acid (P < .0001). Comparing results of the new and other formulas, we found moderate-to-low agreement (in terms of ICCs) except for that of Camarasa (ICC: 0.992). The limits of agreement with the new formula ranged from -378 to 93 in the case of the comparison with Camarasa's formula and from -2226 to 959 for external blood loss, the difference depending on the magnitude of the estimate to a large extent. CONCLUSIONS Formulas that take into account both anthropometric and laboratory parameters are useful for evaluating the efficacy of interventions aiming to decrease blood loss but do not ensure that the values obtained are sufficiently accurate for absolute measuring.
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Affiliation(s)
- A Lopez-Picado
- From the *Araba Research Unit, Araba University Hospital, Vitoria-Gasteiz, Spain; †Bioaraba Research Institute, Vitoria-Gasteiz, Spain; and ‡Department of Anaesthesia & Perioperative Care, Araba University Hospital, Vitoria-Gasteiz, Spain
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Melo GLR, Lages DS, Madureira Junior JL, Pellucci GDP, Pellucci JWJ. The use of tranexamic acid in patients submitted to primary total hip arthroplasty: an evaluation of its impact in different administration protocols. Rev Bras Ortop 2017; 52:34-39. [PMID: 28971084 PMCID: PMC5619999 DOI: 10.1016/j.rboe.2017.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 01/26/2017] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES There is still no consensus as to the best form and dosages of use of tranexamic acid. The aim of this study was to evaluate the use of tranexamic acid in total hip arthroplasty, in order to reduce blood loss and decrease hemoglobin, taking into account different administration protocols. METHODS 42 patients submitted to total hip arthroplasty were divided into three groups. The study was prospective and randomized. Group 1 received a venous dose of tranexamic acid of 15 mg/kg, 20 min prior to bolus incision. Group 2 received an intravenous dose of 15 mg/kg bolus, 20 min before the incision, and an extra dose of 10 mg/kg by infusion pump during the duration of the surgical procedure. Patients in group 3 did not receive tranexamic acid, being the control group. Pre- and post-operative hemoglobin levels were measured and blood loss was measured 24 h after surgery using a Portovac drain. RESULTS There was a significant reduction in the amount of bleeding through the Portovac drain and reduction in postoperative hemoglobin drop in patients who used tranexamic acid. There was neither significant difference in hemoglobin drop between groups 1 and 2, nor was there a need for hemotransfusion. Two patients in group 3 required blood transfusion. CONCLUSIONS The findings demonstrated that the use of intravenous tranexamic acid in total hip arthroplasty reduced postoperative bleeding rates and significantly reduced serum hemoglobin without increasing thromboembolic effects. The bolus and bolus + infusion pump methods were shown to have a similar influence on hemoglobin and need for blood transfusion.
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Tranexamic Acid Safely Reduced Blood Loss in Hemi- and Total Hip Arthroplasty for Acute Femoral Neck Fracture: A Randomized Clinical Trial. J Orthop Trauma 2017. [PMID: 28633147 DOI: 10.1097/bot.0000000000000837] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVES We aimed to determine whether (1) tranexamic acid (TXA) reduces the incidence of transfusion (2) TXA reduces the calculated blood loss, and (3) there are any observable differences in 30- and 90-day complications with TXA administration during arthroplasty for femoral neck fracture (FNF). DESIGN Prospective, double-blinded, randomized controlled trial. SETTING Level 1 Academic Trauma Center. PATIENTS/PARTICIPANTS One hundred thirty-eight patients who presented with a low-energy, isolated, FNF (AO 31B) treated with either hemi- or total hip arthroplasty within 72 hours of injury were randomized to either the TXA group (69 patients) or placebo group (69 patients). INTERVENTION In the TXA group, patients received 2 doses of 15 mg/kg intravenous TXA dissolved in 100 mL of saline, each administered over 10 minutes; 1 dose just before incision, and the second at wound closure. In the placebo group, 100 mL of saline solution was administered in a similar fashion. Perioperative care was otherwise standardized including conservative transfusion criteria. MAIN OUTCOME MEASUREMENTS Our primary outcome was to determine the proportion of patients who underwent blood transfusion during hospitalization. Secondary outcomes were calculated blood loss, number of units transfused during hospitalization, and incidence of adverse events at 30 and 90 days including thromboembolic event, wound complications, reoperation, hospital readmission, and all-cause mortality. RESULTS TXA reduced mean incidence of transfusion by 305 mL (P = 0.0005). There was a trend toward decreased transfusion rate in the TXA group (17% vs. 26%, P = 0.22). TXA was safe with no differences in adverse events at 30 and 90 days. CONCLUSIONS This randomized clinical trial found that TXA administration safely reduced blood loss with a tendency for decreased transfusion rate and total blood product consumption for patients undergoing hip arthroplasty for acute FNF. More studies are needed to further ascertain the role of TXA in the management of patients with FNF. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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OBTAIN A: Outcome Benefits of Tranexamic Acid in Hip Arthroplasty. A Randomized Double-Blinded Controlled Trial. J Arthroplasty 2017; 32:1516-1519. [PMID: 28089468 DOI: 10.1016/j.arth.2016.11.045] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 11/21/2016] [Accepted: 11/28/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND We examined whether the blood conserving effect of tranexamic acid (TXA) in total hip arthroplasty using the direct anterior approach, translates to an effect on functional outcomes in the perioperative period. METHODS We conducted a single-center, randomized, double-blinded, placebo-controlled trial. One hundred one patients were randomized to receive either TXA or an equivalent volume of normal saline. The primary outcome measure was thigh swelling. Secondary outcome measures included, visual analogue pain score, timed up and go test, a 10 meter walk test, and length of stay. Blood loss and the incidence of blood transfusions were also recorded. RESULTS There were no statistically significant differences between the primary outcome of thigh swelling or the secondary outcome measures of postoperative pain nor mobility. There was a significant reduction in length of stay for those that received TXA 3.58 days (0.84) compared with the control group 4.27 days (0.98) (P < .001). There was significantly less intraoperative blood loss observed in the TXA group (0.460L SD 0.228) compared with the control group (0.687L SD 0.283L) (P < .001). The estimated blood loss was also significantly less in the TXA group (1.084L SD 0.440) compared with the control group (1.394 L SD 0.426). CONCLUSION TXA is an effective agent in reducing blood loss in total hip arthroplasty using the anterior approach. The blood conserving effect of TXA was not associated with improved postoperative recovery across the measures of pain and mobility. Administration of TXA may have a positive effect on reducing the duration of inpatient stays.
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Chemical Thromboprophylaxis Is Not Necessary to Reduce Risk of Thromboembolism With Tranexamic Acid After Total Hip Arthroplasty. J Arthroplasty 2017; 32:641-644. [PMID: 27614816 DOI: 10.1016/j.arth.2016.07.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/20/2016] [Accepted: 07/27/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The major concern with the use of tranexamic acid is that it may promote a hypercoagulable state and increase the risk of deep vein thrombosis (DVT) and pulmonary embolism (PE), particularly when chemical thromboprophylaxis is not used. The objective of this study was to ascertain whether tranexamic acid reduces blood loss and transfusion amounts and increases the prevalence of DVT and PE in the patients undergoing primary cementless total hip arthroplasty (THA) without the use of routine chemical thromboprophylaxis. METHODS There were 480 patients (582 hips) in the control group who did not receive tranexamic acid and 487 patients (584 hips) in the study group who received tranexamic acid. Mechanical compression device was applied without any chemical thromboprophylaxis. Transfusion rates and volumes were recorded. DVT was diagnosed using both sonogram and venogram at 7 or 8 days postoperatively. All patients had pre- and postoperative perfusion lung scanning to defect pulmonary embolism (PE). RESULTS Intraoperative (614 vs 389 mL) and postoperative blood loss (515 vs 329 mL) and transfusion volumes (3 units vs 1.5 units) were significantly lower (P < .001) in the tranexamic acid group. The prevalence of DVT was 15% (87 of 582 hips) in the control group and 18% (105 of 584 hips) in the tranexamic acid group. No fatal PE occurred in either group. CONCLUSION The use of tranexamic acid reduces the volume of blood transfusion and does not increase the prevalence of DVT or PE in the patients who did not receive routine chemical thromboprophylaxis after primary cementless THA.
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Tranexamic acid versus fibrin sealant in primary total hip replacement: a comparative study. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2017; 27:923-928. [PMID: 28124132 DOI: 10.1007/s00590-017-1910-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 01/16/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND The effectiveness of intravenous tranexamic acid (TA) in reducing blood loss and transfusion requirements during total hip replacement (THR) is well recognised. The aim of this study was to assess the effectiveness of a fibrin sealant in comparison to intravenous TA and a control group. PATIENTS AND METHODS We prospectively studied 273 patients with primary hip osteoarthritis who underwent a THR between February 2012 and September 2013. The first 73 patients acted as the control group. The next 100 consecutive patients received fibrin sealant spray, and the last 100 patients received 1 g TA on induction. RESULTS The demographic characteristics, surgical time, surgeon grade, anaesthetic type and pre-operative haemoglobin of the three groups were comparable. Both fibrin sealant and intravenous TA were effective in reducing blood loss during THR (15%, p = 0.04 and 22.5%, p = 0.01, respectively), when compared to the control group. However, neither treatment was found to be superior to the other in preventing blood loss p = 0.39. Tranexamic acid was superior to fibrin sealant in decreasing allogeneic transfusion requirements (0 vs. 10%, p = 0.05). There was no significant difference between the groups with regard to proportion of patients with wound leaking problems. CONCLUSION Both fibrin sealant and intravenous tranexamic acid were effective in reducing blood loss. However, tranexamic acid use reduced post-operative transfusion requirements.
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Zeng Y, Si HB, Shen B, Yang J, Zhou ZK, Kang PD, Pei FX. Intravenous Combined with Topical Administration of Tranexamic Acid in Primary Total Hip Arthroplasty: A Randomized Controlled Trial. Orthop Surg 2017; 9:174-179. [PMID: 28093896 DOI: 10.1111/os.12287] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 04/14/2016] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE Although there are still some controversies, large previous studies have confirmed that intravenous (i.v.) tranexamic acid (TXA) can effectively reduce blood loss and transfusions in total hip arthroplasty (THA) without increasing the risk of deep venous thrombosis. However, few studies have investigated the combination of i.v. and topical application of TXA in primary THA. The purpose of our current study is to examine whether i.v. combined with topical administration of TXA decreases postoperative blood loss and transfusion rates after THA. METHODS From December 2013 to May 2014, all adult patients undergoing primary THA at our arthroplasty center were considered for inclusion in the present study. Included patients were randomly assigned to two groups by computer-generated list number: a TXA group and a placebo group. Patients in the TXA group received i.v. (15 mg/kg) combined with topical administration (1.0 g) of TXA during the THA procedure, and patients in the other group received the same dosage of normal saline both i.v. and topically. Our primary outcome measures were total blood loss (calculated using Gross's equation), hemoglobin, hematocrit and platelet concentration changes on the third postoperative day, the amount of drainage, the amount of intraoperative blood loss, the frequency of transfusion, and the number of blood units transfused. Secondary outcome measures were the length of postoperative stay, range of hip motion (measured by goniometer), Harris hip scores (HHS), and any perioperative complications or events such as infection, DVT or PE. Range of motion and HHS were measured at 3 week follow-up and compared with preoperative values. RESULTS This trial included 100 patients (50 in each group). Patients in the TXA group had significantly higher postoperative hemoglobin (103 vs 87.7 g/dL, P < 0.01), lower hemoglobin changes (32.2 vs 44.9 g/dL, P < 0.01), higher postoperative hematocrit (0.32 vs 0.27 L/L, P < 0.01), lower hematocrit changes (0.1 vs 0.14 L/L, P < 0.01), lower total blood loss (822 vs 1100 mL, P = 0.004), lower drainage (117.8 vs 242.4 mL, P < 0.01), lower intraoperative blood loss (193.8 vs 288.2 mL, P < 0.01), and lower transfusion rate (2% vs 34%, P < 0.01) compared with those in the placebo group. No statistical difference was found in postoperative platelets between the two groups. There were no differences in perioperative complications or venous thromboembolism (VTE) events. CONCLUSIONS The combined administration of i.v. and topical TXA resulted in a clinically relevant reduction in blood loss, compared with placebo group. No thromboembolic complications were observed. This randomized controlled trial supports the combined i.v. and topical administration of TXA in primary THA.
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Affiliation(s)
- Yi Zeng
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Hai-Bo Si
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Bin Shen
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Jing Yang
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Zong-Ke Zhou
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Peng-de Kang
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
| | - Fu-Xing Pei
- Department of Orthopaedic Surgery, Sichuan University, Chengdu, China
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Melo GLR, Lages DS, Madureira Junior JL, Pellucci GDP, Pellucci JWJ. O uso do ácido tranexâmico em pacientes submetidos a artroplastia total primária do quadril: uma avaliação do seu impacto em diferentes protocolos de administração. Rev Bras Ortop 2017. [DOI: 10.1016/j.rbo.2017.06.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Wu YG, Zeng Y, Yang TM, Si HB, Cao F, Shen B. The Efficacy and Safety of Combination of Intravenous and Topical Tranexamic Acid in Revision Hip Arthroplasty: A Randomized, Controlled Trial. J Arthroplasty 2016; 31:2548-2553. [PMID: 27179770 DOI: 10.1016/j.arth.2016.03.059] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/23/2016] [Accepted: 03/30/2016] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Revision total hip arthroplasty (THA) is associated with substantial blood loss and a high probability of blood transfusion in the perioperative period. This study aimed to evaluate the efficacy and safety of combination of intravenous (IV) and topical tranexamic acid (TXA) in revision THA. METHODS Eighty-four consecutive patients undergoing revision THA were randomized into combined group and IV-TXA group. Patients in the combined group were given intravenously 15 mg/kg TXA as a preoperative, and topical TXA solution was applied at a concentration of 3 g TXA per 100-mL saline during the different procedure points. Patients in the IV-TXA group were given intravenously 15 mg/kg TXA alone. RESULTS The mean total blood loss, drainage volume, and maximum hemoglobin drop were significantly lower in the combined group than the IV-TXA group (P < .001, P < .001, P < .001, respectively). Compared with the IV-TXA group, the amount of blood transfusions and number of blood transfusions required were decreased dramatically in the combined group (P = .027, P < .001, respectively). One deep vein thrombosis and 4 calf muscular vein thrombosis in the combined group and 3 calf muscular vein thrombosis in the IV-TXA were detected by the Doppler ultrasound. No pulmonary embolism was observed and no significant differences were found in other complications between the 2 groups. CONCLUSION This study showed that combined administration of IV and topical TXA in revision THA can effectively decrease total blood loss and number of blood transfusions required without increasing the risk of deep vein thrombosis or/and pulmonary embolism compared with IV-TXA alone.
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Affiliation(s)
- Yuan-Gang Wu
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Yi Zeng
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Ti-Min Yang
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Hai-Bo Si
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Fei Cao
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Bin Shen
- Department of Orthopaedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
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A systematic review and meta-analysis of the use of antifibrinolytic agents in total hip arthroplasty. Hip Int 2016; 25:502-9. [PMID: 26620803 DOI: 10.5301/hipint.5000285] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/05/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND Antifibrinolytic agents such as tranexamic acid (TXA), epsilon aminocaproic acid (EACA), and aprotinin are widely used to reduce bleeding and the need for transfusion in cardiac, orthopaedic, and hepatic surgery. We aimed to assess the efficacy and safety of antifibrinolytic agents in total hip arthroplasty (THA). METHODS A systematic literature search was performed using MEDLINE, PubMed, EMBASE, and Cochrane databases, as well as the reference lists of relevant articles. Only randomised controlled trials were eligible for this study. The weighted mean difference in blood loss, number of transfusions per patient, and the summary risk ratio of transfusion requirements and deep-vein thrombosis (DVT) were calculated in the antifibrinolytic agents-treated and control groups. RESULTS A total of 28 randomised controlled trials involving 2,131 patients were included. Patients receiving antifibrinolytic agents had a reduced total blood loss by a mean of 389.14 ml (95% CI, -483.05 to -295.23), and the number of blood transfusions per patient by 0.65 units (95% CI, -1.19 to -0.12). Antifibrinolytic agents led to a significant reduction in transfusion requirements (RR 0.55; 95% CI, 0.43 to 0.70) and no increase in the risk of DVT (RR 0.85; 95% CI, 0.51 to 1.42). CONCLUSIONS Our meta-analysis demonstrated that antifibrinolytic agents significantly reduce blood loss and blood transfusion requirements while not increasing the risk of DVT in patients undergoing total hip arthroplasty.
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Moskal JT, Capps SG. Meta-analysis of Intravenous Tranexamic Acid in Primary Total Hip Arthroplasty. Orthopedics 2016; 39:e883-92. [PMID: 27248332 DOI: 10.3928/01477447-20160526-02] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 04/11/2016] [Indexed: 02/03/2023]
Abstract
Previous meta-analyses established that tranexamic acid confers benefits when used during total hip arthroplasty (THA). However, 2 of these meta-analyses included a variety of routes of administration of tranexamic acid in THA (topical, intravenous, oral, and intra-articular), another meta-analysis included a variety of antifibrinolytic drugs (not restricted to a single drug), and the final meta-analysis included nonrandomized controlled trials. This meta-analysis focused on a single medication, tranexamic acid, administered in a specific way, intravenously in patients undergoing primary THA, using data reported only in randomized controlled studies. Outcomes were restricted to blood loss, allogeneic transfusion rates, and complications. Other outcomes, such as return to function or clinical scores, could not be evaluated because of lack of consistent reporting. To better understand the effects of intravenous tranexamic acid in THA on clinical outcomes, such as recovery, return to function, and patient-reported outcome measures, it would be helpful to have more controlled trials examining these measures in a standardized manner. Intravenous tranexamic acid was beneficial for blood loss intraoperatively, blood loss through drains, and total blood loss during hospitalization, in addition to reducing allogeneic transfusion rates. No difference between intravenous tranexamic acid and placebo was found for most complications, except deep venous thrombosis, which showed favorable results with placebo. [Orthopedics.2016; 39(5):e883-e892.].
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Topical administration of tranexamic acid in hip arthroplasty. INTERNATIONAL ORTHOPAEDICS 2016; 41:259-263. [DOI: 10.1007/s00264-016-3195-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 04/05/2016] [Indexed: 10/21/2022]
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Tranexamic Acid Compared with Placebo for Reducing Total Blood Loss in Hip Replacement Surgery. Anesth Analg 2016; 122:986-95. [DOI: 10.1213/ane.0000000000001159] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Reina N, Fennema P, Hourlier H. The impact of mild peri-operative hypothermia on the effectiveness of tranexamic acid in total hip arthroplasty. INTERNATIONAL ORTHOPAEDICS 2016; 41:55-60. [PMID: 27005765 DOI: 10.1007/s00264-016-3170-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 03/09/2016] [Indexed: 10/22/2022]
Abstract
PURPOSE Surgical patients experience inadvertent hypothermia as a result of anaesthesia-induced thermoregulatory impairment. Previous studies have found that hypothermia is associated with increased blood loss and transfusion requirements. This study examined the incidence of hypothermia in patients undergoing total hip arthroplasty (THA), whether hypothermia is associated with increased blood loss, and whether any such association is modified by tranexamic acid (TXA) administration. METHODS An observational prospective study was performed in 941 consecutive patients undergoing elective THA, with and without intra-operative administration of TXA. The presence of hypothermia on post-anaesthesia care unit admission was determined, and the post-operative bleeding index calculated. Transfusions and complications were documented. RESULTS The incidence of peri-operative inadvertent hypothermia was 84.2 %. TXA was administered to 751 (79.8 %) patients. The bleeding index was 2.6 (95 % confidence interval [CI] 2.6-2.7) in patients treated with TXA and 3.1 (95 % CI 2.8-3.4) in patients who did not receive TXA (p = 0.012). Mild hypothermia did not have a significant impact on the bleeding index (difference, -0.4; 95 % CI, -1.1 to +0.2; p = 0.190), nor on the effectiveness of TXA (difference, 0.4; 95 % CI, -0.3 to +1.1; p = 0.250). CONCLUSION The incidence of hypothermia in our THA population was high, despite peri-operative air warming. However, mild hypothermia was not significantly associated with increased blood loss and did not reduce the effectiveness of TXA.
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Affiliation(s)
- Nicolas Reina
- Pierre Paul Riquet Hospital, Musculoskeletal Institute, CHU Toulouse, Toulouse, France
| | - Peter Fennema
- AMR Advanced Medical Research, Maennedorf, Switzerland
| | - Hervé Hourlier
- Department of Orthopedic Surgery, Polyclinique de la Thiérache, Rue du Dr Koral, 59212, Wignehies, France.
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Wang C, Kang P, Ma J, Yue C, Xie J, Pei F. Single-dose tranexamic acid for reducing bleeding and transfusions in total hip arthroplasty: A double-blind, randomized controlled trial of different doses. Thromb Res 2016; 141:119-23. [PMID: 27016618 DOI: 10.1016/j.thromres.2016.02.027] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/14/2016] [Accepted: 02/24/2016] [Indexed: 02/05/2023]
Abstract
BACKGROUND Tranexamic acid can be effective at decreasing blood loss and transfusion requirements associated with total hip arthroplasty (THA), but few studies have compared the efficacy of different intravenous dosing regimes. This double-blind, randomized controlled trial compared the ability of two doses of intravenous TXA (IV-TXA, 10 or 15mg/kg) to reduce bleeding and transfusions associated with THA. MATERIALS AND METHODS A total of 124 patients scheduled for THA were consecutively randomized 1:1:1 into three parallel arms: control (placebo), 10mg/kg IV-TXA and 15mg/kg IV-TXA. RESULTS The proportion of patients who experienced bleeding and required transfusions was significantly lower in the 15mg/kg IV-TXA group (1 of 42, 2.4%) than in the 10mg/kg IV-TXA group (8 of 39, 20.5%; P=0.012) and in the control group (10 of 38, 26.3%; P=0.002). In fact, this proportion was similar between the 10mg/kg IV-TXA and control groups (P=0.547). Ultrasound examination on postoperative day 3 revealed only one case of asymptomatic deep vein thrombosis (in the femoral vein) in the 10mg/kg IV-TXA group, which was managed by administering low-molecular-weight heparin. No cases of deep-vein thrombosis were observed in the other two groups. No cases of symptomatic pulmonary embolism were observed. CONCLUSION IV-TXA at 10mg/kg significantly reduced blood loss and mitigated the decrease in hemoglobin and hematocrit after THA, but it did not significantly reduce the need for transfusions. In contrast, a dose of 15mg/kg reduced both bleeding and transfusion requirements. Our results argue for a dose of 15mg/kg when using single-dose IV-TXA. LEVEL OF EVIDENCE Therapeutic Level I.
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Affiliation(s)
- Changde Wang
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China; Department of Orthopedic Surgery, Affiliated Hospital, Northwest University for Nationalities, Lanzhou, Gansu Province 730030, China.
| | - Pengde Kang
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China.
| | - Jun Ma
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China.
| | - Chen Yue
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China.
| | - Jinwei Xie
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China.
| | - Fuxing Pei
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province 610041, China.
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Hsu CH, Lin PC, Kuo FC, Wang JW. A regime of two intravenous injections of tranexamic acid reduces blood loss in minimally invasive total hip arthroplasty: a prospective randomised double-blind study. Bone Joint J 2015; 97-B:905-10. [PMID: 26130344 DOI: 10.1302/0301-620x.97b7.35029] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Tranexamic acid (TXA), an inhibitor of fibrinolysis, reduces blood loss after total knee arthroplasty. However, its effect on minimally invasive total hip arthroplasty (THA) is not clear. We performed a prospective, randomised double-blind study to evaluate the effect of two intravenous injections of TXA on blood loss in patients undergoing minimally invasive THA. In total, 60 patients (35 women and 25 men with a mean age of 58.1 years; 17 to 84) who underwent unilateral minimally invasive uncemented THA were randomly divided into the study group (30 patients, 20 women and ten men with a mean age of 56.5 years; 17 to 79) that received two intravenous injections 1 g of TXA pre- and post-operatively (TXA group), and a placebo group (30 patients, 15 women and 15 men with a mean age of 59.5 years; 23 to 84). We compared the peri-operative blood loss of the two groups. Actual blood loss was calculated from the maximum reduction in the level of haemoglobin. All patients were followed clinically for the presence of venous thromboembolism. The TXA group had a lower mean intra-operative blood loss of 441 ml (150 to 800) versus 615 ml (50 to 1580) in the placebo (p = 0.044), lower mean post-operative blood loss (285 ml (120 to 570) versus 392 ml (126 to 660) (p = 0.002), lower mean total blood loss (1070 ml (688 to 1478) versus 1337 ml (495 to 2238) (p = 0.004) and lower requirement for transfusion (p = 0.021). No patients in either group had symptoms of venous thromboembolism or wound complications. This prospective, randomised controlled study showed that a regimen of two intravenous injections of 1 g TXA is effective for blood conservation after minimally invasive THA.
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Affiliation(s)
- C-H Hsu
- Kaohsiung Chang Gung Memorial Hospital, 123, Ta Pei Road, Niao Sung Dist, Kaohsiung City, Taiwan
| | - P-C Lin
- Kaohsiung Chang Gung Memorial Hospital, 123, Ta Pei Road, Niao Sung Dist, Kaohsiung City, Taiwan
| | - F-C Kuo
- Kaohsiung Chang Gung Memorial Hospital, 123, Ta Pei Road, Niao Sung Dist, Kaohsiung City, Taiwan
| | - J-W Wang
- Kaohsiung Chang Gung Memorial Hospital, 123, Ta Pei Road, Niao Sung Dist, Kaohsiung City, Taiwan
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Wei Z, Liu M. The effectiveness and safety of tranexamic acid in total hip or knee arthroplasty: a meta-analysis of 2720 cases. Transfus Med 2015; 25:151-62. [DOI: 10.1111/tme.12212] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 11/30/2014] [Accepted: 05/05/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Z. Wei
- Department of Trauma; Union Medicine Centre of Tianjin; Tianjin China
| | - M. Liu
- Department of Trauma; Union Medicine Centre of Tianjin; Tianjin China
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Pinzón-Florez CE, Vélez Cañas KM, Díaz Quijano DM. Efficiency of tranexamic acid in perioperative blood loss in hip arthroplasty: a systematic literature review and meta-analysis. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2015; 62:253-264. [PMID: 25542068 DOI: 10.1016/j.redar.2014.10.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 09/30/2014] [Accepted: 10/01/2014] [Indexed: 06/04/2023]
Abstract
INTRODUCTION AND OBJECTIVE Tranexamic acid (TXA) is an antifibrinolytic drug used to reduce bleeding in mortality risk situations such as trauma. Our objective was to conduct a systematic literature review to evaluate the effectiveness and safety of TXA in reducing bleeding in hip arthroplasty. MATERIAL AND METHODS A systematic literature review and meta-analysis of primary studies similar to controlled trials was performed. Literature was searched in MEDLINE, Embase, Cochrane, LILACS, SciELO and Google Scholar. The review was proposed and undertaken by 2 reviewers and the inclusion criteria were: a) patients undergoing arthroplasty for primary unilateral hip replacement; b) comparison of a treatment group with TXA to a control group that received a placebo or no treatment at all, and c) outcome measures, total blood loss, number of patients receiving allogeneic transfusion and/or incidence of thromboembolic complications. The search was restricted to studies published from 1966 to June 2013. RESULTS A total of 16 studies with 246 patients were retrieved for this review. The total blood loss outcome evidenced a weighted mean difference in favor of TXA vs. controls undergoing hip arthroplasty (-0.45 [P<0.001, 95% CI -0.65 to -0.24]). Weighted relative risk was estimated for the allogeneic transfusion requirement outcome, showing a trend in favor the TXA arm, with fewer patients requiring allogeneic transfusion in hip surgery (0.8 [P<0.02, 95% CI 0.57 to 1.11]); however, this trend was not statistically significant. LIMITATIONS There is a noticeable difference in methods for quantifying total blood loss across the studies reviewed. The need for transfusion outcomes are probably not significant taking into account the number of events in the TXA group. CONCLUSIONS TXA can be routinely used to reduce intra- and post-operative blood loss in primary hip arthroplasty.
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Affiliation(s)
- C E Pinzón-Florez
- Grupo de Investigación Clínica, Facultad de Medicina, Universidad de La Sabana, Chía, Cundinamarca, Colombia.
| | - K M Vélez Cañas
- Programa de Anestesiología, Facultad de Medicina, Universidad del Rosario, Bogotá D. C., Colombia
| | - D M Díaz Quijano
- Grupo de Investigación Clínica, Facultad de Medicina, Universidad de La Sabana, Chía, Cundinamarca, Colombia
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Nishihara S, Hamada M. Does tranexamic acid alter the risk of thromboembolism after total hip arthroplasty in the absence of routine chemical thromboprophylaxis? Bone Joint J 2015; 97-B:458-62. [DOI: 10.1302/0301-620x.97b4.34656] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Tranexamic acid (TXA) has been used to reduce blood loss during total hip arthroplasty (THA), but its use could increase the risk of venous thromboembolic disease (VTE). Several studies have reported that TXA does not increase the prevalence of deep vein thrombosis (DVT), but most of those used routine chemical thromboprophylaxis, thereby masking the potential increased risk of TXA on VTE. We wished to ascertain whether TXA increases the prevalence of VTE in patients undergoing THA without routine chemical thromboprophylaxis. We carried out a retrospective case-control study in 254 patients who underwent a primary THA, 127 of whom received TXA (1 g given pre-operatively) and a control group of 127 who did not. All patients had mechanical but no chemical thomboprophylaxis. Each patient was examined for DVT by bilateral ultrasonography pre-operatively and on post-operative days 1 and 7. TXA was found to statistically significantly increase the incidence of total DVT on post-operative day 7 compared with the control group (24 (18.9%) and 12 (9.4%), respectively; p < 0.05) but most cases of DVT were isolated distal DVT, with the exception of one patient with proximal DVT in each group. One patient in the control group developed a non-fatal symptomatic pulmonary embolism (PE). The use of TXA did not appear to affect the prevalence of either proximal DVT or PE. Cite this article: Bone Joint J 2015; 97-B:458–62.
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Affiliation(s)
- S. Nishihara
- Japan Community Healthcare Organization,
Hoshigaoka Medical Center, 4-8-1 Hoshigaoka, Hirakata, Osaka, 573-8511, Japan
| | - M. Hamada
- Japan Community Healthcare Organization,
Hoshigaoka Medical Center, 4-8-1 Hoshigaoka, Hirakata, Osaka, 573-8511, Japan
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