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Metoki Y, Iwase D, Kusumoto Y, Aikawa J, Mukai M, Fukushima K, Inoue G, Takaso M. The necessity of suction drainage when intra-articular injection of tranexamic acid is used during primary total knee arthroplasty: a retrospective study. BMC Musculoskelet Disord 2024; 25:475. [PMID: 38890633 PMCID: PMC11184754 DOI: 10.1186/s12891-024-07604-w] [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] [Received: 03/23/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Suction drainages are commonly used after total knee arthroplasty (TKA) procedures; however, their use is somewhat controversial. Recently, some reports have claimed that the administration of tranexamic acid (TXA) may prevent postoperative bleeding following TKAs. Although numerous studies have reported regarding different dosages, timings of administration, or drain clamping times for intravenous and intra-articular TXA injections (IA-TXAs), few have examined whether suction drainage is necessary when TXA is administered. In this study, we compared using suction drainage without TXA administration and IA-TXA without suction drainage and aimed to examine the need for suction drainage during IA-TXA. METHODS This retrospective study was conducted on 217 patients who had received TKA for osteoarthritis; 104 were placed on suction drainage after TKA without TXA (Group A), whereas the remaining 113 received IA-TXA immediately after surgery without suction drainage (Group B). Our clinical evaluation included assessments of the need for transfusion, presence of postoperative complications, incidence of deep vein thrombosis (DVT), and changes in hemoglobin (Hb), hematocrit (Hct), and D-dimer levels. RESULTS No significant differences were observed in terms of postoperative complications and preoperative Hb, Hct, or D-dimer levels between the two groups. Although the prevalence of DVT was significantly higher in Group B (p < 0.05), all cases were asymptomatic. Hb and Hct levels were significantly lower in Group A than in Group B at 1, 3, 7, and 14 days postoperatively (p < 0.05), although none of the cases required blood transfusions. D-dimer levels were significantly higher in Group A than in Group B at 1 and 3 days postoperatively (p < 0.05). CONCLUSION Suction drainage might not be necessary when IA-TXA is administered after TKA procedures.
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Affiliation(s)
- Yukie Metoki
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Dai Iwase
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan.
| | - Yasuaki Kusumoto
- Department of Physical Therapy, Fukushima Medical University School of Health Sciences, 10-6 Sakaemachi, Fukushima City, Fukushima, 960-8516, Japan
| | - Jun Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Manabu Mukai
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Kensuke Fukushima
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-Ku, Sagamihara City, Kanagawa, 252-0374, Japan
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Marous CL, Farhat OJ, Cefalu M, Rothschild MI, Alapati S, Wladis EJ. Effects of Preoperative Intravenous Versus Subcutaneous Tranexamic Acid on Postoperative Periorbital Ecchymosis and Edema Following Upper Eyelid Blepharoplasty: A Prospective, Randomized, Double-Blinded, Placebo-Controlled, Comparative Study. Ophthalmic Plast Reconstr Surg 2024:00002341-990000000-00379. [PMID: 38687303 DOI: 10.1097/iop.0000000000002633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
PURPOSE To compare the effects of preoperative tranexamic acid (TXA) administered intravenously (IV) versus subcutaneously on postoperative ecchymosis and edema in patients undergoing bilateral upper eyelid blepharoplasty. METHODS A prospective, double-blinded, placebo-controlled study of patients undergoing bilateral upper eyelid blepharoplasty at a single-center. Eligible participants were randomized to preoperatively receive either (1) 1 g of TXA in 100 ml normal saline IV, (2) 50 µl/ml of TXA in local anesthesia, or (3) no TXA. Primary outcomes included ecchymosis and edema at postoperative day 1 (POD1) and 7 (POD7). Secondary outcomes included operative time, pain, time until resuming activities of daily living, patient satisfaction, and adverse events. RESULTS By comparison (IV TXA vs. local subcutaneous TXA vs. no TXA), ecchymosis scores were significantly lower on POD1 (1.31 vs. 1.56 vs. 2.09, p = 0.02) and on POD7 (0.51 vs. 0.66 vs. 0.98, p = 0.04) among those that received TXA. By comparison (IV TXA vs. local subcutaneous TXA vs. no TXA), significant reductions in edema scores occurred in those that received TXA on POD1 (1.59 vs. 1.43 vs. 1.91, p = 0.005) and on POD7 (0.85 vs. 0.60 vs. 0.99, p = 0.04). By comparison (IV TXA vs. local subcutaneous TXA vs. no TXA) patients treated with intravenous and local subcutaneous TXA preoperatively were more likely to experience shorter operative times (10.8 vs. 11.8 vs. 12.9 minutes, p = 0.01), reduced time to resuming activities of daily livings (1.6 vs. 1.6 vs. 2.3 days, p < 0.0001), and higher satisfaction scores at POD1 (8.8 vs. 8.7 vs. 7.9, p = 0.0002). No adverse events occurred were reported. CONCLUSION In an analysis of 106 patients, preoperative TXA administered either IV or subcutaneously safely reduced postoperative ecchymosis and edema in patients undergoing upper eyelid blepharoplasty. While statistical superiority between intravenous versus local subcutaneous TXA treatment was not definitively identified, our results suggest clinical superiority with IV dosing.
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Affiliation(s)
- Charlotte L Marous
- Oculoplastic and Orbital Surgery, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
- Ophthalmic Plastic Surgery, Department of Ophthalmology, Albany Medical College
| | - Omar J Farhat
- Ophthalmic Plastic Surgery, Department of Ophthalmology, Albany Medical College
| | - Matthew Cefalu
- Ophthalmic Plastic Surgery, Department of Ophthalmology, Albany Medical College
| | | | | | - Edward J Wladis
- Ophthalmic Plastic Surgery, Department of Ophthalmology, Albany Medical College
- Department of Otolaryngology and Head and Neck Surgery, Albany Medical College, Albany, New York, U.S.A
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Chang YJ, Lin YH, Wang PL, Lin HC. Efficacy of local infiltration of tranexamic acid in subcutaneous surgery: A protocol from a single medical center. Medicine (Baltimore) 2023; 102:e34900. [PMID: 37657042 PMCID: PMC10476745 DOI: 10.1097/md.0000000000034900] [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] [Received: 04/26/2023] [Accepted: 08/03/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND The purpose of this study was to explore efficacy of locally injected tranexamic acid (TXA) at a concentration of 1 mg/mL for reduction perioperative bleeding and postoperative complications in subcutaneous tumor excisions. We present the protocol and also compare results between the group of use antithrombotic group and not used. METHODS This is a retrospective study. Fifty-three patients were divided into 3 groups. Group 1 (n = 14): using antithrombotic drugs (antiplatelet or anticoagulants) with locally injected TXA. Group 2 (n = 17): using antithrombotic drugs without locally injected TXA. Group 3 (n = 22): not using antithrombotic drugs but with locally injected TXA. TXA was diluted to 1 mg/mL for use based on our experience. All patients were operated by 1 surgeon in 1 single medical center in Taipei from March 1st, 2020, to March 31st 2022. Outcomes such as the quality of perioperative surgical field and postoperative surgical complications were evaluated and compared. The quality of field was intraoperatively recorded by an assessment and photos from the surgeon. The statistical relationships between the complication rates were analyzed using χ2 test and a 1-way ANOVA by SPSS 25. RESULTS From Groups 1 and 3, a total of 36 patients, 29 patients had a clear surgical field during procedure. When comparing Groups 1 and 2, use of locally injected TXA had greater positive advantage in terms of a clearer vision whilst surgery (P = .031). Group 2 had more minor complications such as hematoma, severe ecchymosis, wound dehiscence, wound infection. By postoperatively reducing hematomas for 24 hours, it significantly reduce the incidence of abovementioned minor complications (P = .036). With the help of locally injected TXA, shorter time was required to remove drain, hence reducing duration of in-hospital stay. CONCLUSION The use of locally injected TXA whilst performing subcutaneous surgery on patients taking antithrombotic drugs is cost-effective. It could reduce bleeding and provide a more effective surgical field. In our study, favorable results were obtained from the use of diluted tranexamic acid (1 mg/mL) mixed with lidocaine, namely in clearing the surgical field as well as reducing postoperative surgical complications.
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Affiliation(s)
- Yao-Jen Chang
- Division of Plastic Surgery, Department of Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Shilin District, Taipei, Taiwan
| | - Yu-Hsien Lin
- Division of Plastic Surgery, Department of Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Shilin District, Taipei, Taiwan
| | - Pao-Lo Wang
- Division of Plastic Surgery, Department of Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Shilin District, Taipei, Taiwan
| | - Hwang-Chi Lin
- Division of Plastic Surgery, Department of Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Shilin District, Taipei, Taiwan
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Zheng C, Ma J, Xu J, Li M, Wu L, Wu Y, Liu Y, Shen B. The Optimal Dose, Efficacy and Safety of Tranexamic Acid and Epsilon-Aminocaproic Acid to Reduce Bleeding in TKA: A Systematic Review and Bayesian Network Meta-analysis. Orthop Surg 2023; 15:930-946. [PMID: 36878889 PMCID: PMC10102320 DOI: 10.1111/os.13678] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 01/08/2023] [Accepted: 01/17/2023] [Indexed: 03/08/2023] Open
Abstract
OBJECTIVE The optimal dose and efficacy of tranexamic acid (TXA) and epsilon-aminocaproic acid (EACA) in total knee arthroplasty (TKA) were under controversial, and we aimed to make comparisons between different doses of TXA and EACA in intravenous (IV) or intra-articular (IA) applications in patients undergoing TKA. METHODS This network meta-analysis was guided by the Priority Reporting Initiative for Systematic Assessment and Meta-Analysis (PRISMA). According to the administrations of antifibrinolytic agents, patients in eligible studies were divided into three subgroups: (i) IA applications of TXA and EACA; (ii) IV applications (g) of TXA and EACA; (iii) IV applications (mg/kg) of TXA and EACA. Total blood loss (TBL), hemoglobin (HB) drops and transfusion rates were the primary outcomes, while drainage volume, pulmonary embolism (PE) or deep vein thrombosis (DVT) risk were the secondary outcomes. A multivariate Bayesian random-effects model was adopted in the network analysis. RESULTS A total of 38 eligible trials with different regimens were assessed. Overall inconsistency and heterogeneity were acceptable. Taking all primary outcomes into account, 1.0-3.0 g TXA were most effective in IA applications, 1-6 g TXA and 10-14 g EACA were most effective in IV applications (g), while 30 mg/kg TXA and 150 mg/kg EACA were most effective in IV applications (mg/kg). None of the regimens showed increasing risk for pulmonary embolism (PE) or deep vein thrombosis (DVT) compared with placebo. CONCLUSION 0 g IA TXA, 1.0 g IV TXA or 10.0 g IV EACA, as well as 30 mg/kg IV TXA or 150 mg/kg IV EACA were most effective and enough to control bleeding for patients after TKA. TXA was at least 5 times more potent than EACA.
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Affiliation(s)
- Che Zheng
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Jun Ma
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Jiawen Xu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Mingyang Li
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Liming Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Yuangang Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Yuan Liu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Shen
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, China
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Optimal Release Timing of Drain Clamping to Reduce Postoperative Bleeding after Total Knee Arthroplasty with Intraarticular Injection of Tranexamic Acid. Medicina (B Aires) 2022; 58:medicina58091226. [PMID: 36143903 PMCID: PMC9506076 DOI: 10.3390/medicina58091226] [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: 08/18/2022] [Revised: 08/28/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022] Open
Abstract
Background and Objectives: Intraarticular injection of tranexamic acid (IA-TXA) plus drain-clamping is a preferred method of reducing bleeding after total knee arthroplasty (TKA). However, no consensus has been reached regarding the timing of the clamping. The purpose of this study was to determine the optimum duration of drain-clamping after TKA with IA-TXA. Materials and Methods: We retrospectively reviewed 151 patients that underwent unilateral TKA with IA-TXA plus drain-clamping for 30 min, 2 h, or 3 h. The total drained volume was reviewed as the primary outcome, and hematocrit (Hct) reductions, estimated blood loss (EBL), transfusion rates, and wound complications were reviewed as secondary outcomes. Results: The mean total drained volume, Hct reduction, and EBL were significantly less in the 3 h group than in the 30 min group. Between the 2 h and 3 h groups, there was no statistical difference in the mean total drained volume, Hct reduction, or EBL. The proportion of patients who drained lesser than 300 mL was high in the 3 h group. No significant intergroup difference was observed for transfusion volume, transfusion rate, and wound related complications. Conclusions: In comparison of the IA-TXA plus drain-clamping after TKA, there was no difference in EBL between the 2 h group and the 3 h group, but the amount of drainage volume was small in the 3 h group.
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[Translated article] Randomized, placebo-controlled, double-blind clinical trial to evaluate efficacy and safety of topical tranexamic acid in saving blood loss in patients undergoing prosthetic knee surgery. Rev Esp Cir Ortop Traumatol (Engl Ed) 2022; 66:T67-T72. [DOI: 10.1016/j.recot.2022.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 02/28/2022] [Indexed: 10/15/2022] Open
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Bolam SM, O’Regan-Brown A, Konar S, Callon KE, Coleman B, Dalbeth N, Monk AP, Musson DS, Cornish J, Munro JT. Cytotoxicity of tranexamic acid to tendon and bone in vitro: Is there a safe dosage? J Orthop Surg Res 2022; 17:273. [PMID: 35570313 PMCID: PMC9107642 DOI: 10.1186/s13018-022-03167-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 05/09/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Introduction
Tranexamic acid (TXA) has been shown to be effective at reducing peri-operative blood loss and haemarthrosis in arthroplasty and arthroscopic soft tissue reconstructions. Intra-articular application, as an injection or peri-articular wash, is becoming increasingly common. Recent studies have shown TXA has the potential to be cytotoxic to cartilage, but its effects on human tendon and bone remain poorly understood. The aim of this study was to investigate whether TXA has any detrimental effects on tendon-derived cells and osteoblast-like cells and determine whether there is a safe dosage for clinical application.
Materials and methods
Primary tendon-derived cells and osteoblast-like cells were harvested from hamstring tendons and trabecular bone explants, respectively, and analysed in vitro with a range of TXA concentrations (0 to 100 mg/ml) at time points: 3 and 24 h. The in vitro toxic effect of TXA was investigated using viability assays (alamarBlue), functional assays (collagen deposition), fluorescent microscopy and live/apoptosis/necrosis staining for cell death mechanisms in 2D monolayer and 3D collagen gel cell culture.
Results
There was a significant (P < 0.05) decrease in tendon-derived cell and osteoblast-like cell numbers following treatment with TXA ≥ 50 mg/ml after 3 h and ≥ 20 mg/ml after 24 h. In tendon-derived cells, increasing concentrations > 35 mg/ml resulted in significantly (P < 0.05) reduced collagen deposition. Fluorescence imaging confirmed atypical cellular morphologies with increasing TXA concentrations and reduced cell numbers. The mechanism of cell death was demonstrated to be occurring through apoptosis.
Conclusions
Topical TXA treatment demonstrated dose- and time-dependent cytotoxicity to tendon-derived cells and osteoblast-like cells with concentrations 20 mg/ml and above in isolated 2D and 3D in vitro culture. On the basis of these findings, concentrations of less than 20 mg/ml are expected to be safe. Orthopaedic surgeons should show caution when considering topical TXA treatments, particularly in soft tissue and un-cemented arthroplasty procedures.
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Oliva-Moya F, Belloso-Moreno I, Vilches-Fernández J, Casas-Ruiz M, Andrés-García J. Ensayo clínico aleatorizado, controlado con placebo y doble ciego para evaluar la eficacia y la seguridad del ácido tranexámico tópico en el ahorro de pérdidas sanguíneas en pacientes tratados mediante cirugía protésica de rodilla. Rev Esp Cir Ortop Traumatol (Engl Ed) 2022; 66:485-490. [DOI: 10.1016/j.recot.2022.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/30/2022] [Accepted: 02/28/2022] [Indexed: 10/18/2022] Open
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Na Y, Jia Y, Shi Y, Liu W, Han C, Hua Y. Administration of Tranexamic Acid to Reduce Intra-articular Hemarthrosis in ACL Reconstruction: A Systematic Review. Orthop J Sports Med 2022; 10:23259671211061726. [PMID: 35111862 PMCID: PMC8801653 DOI: 10.1177/23259671211061726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 08/24/2021] [Indexed: 11/15/2022] Open
Abstract
Background: Although tranexamic acid (TXA) has been shown to reduce bleeding in joint replacement procedures, its effectiveness for anterior cruciate ligament reconstruction (ACLR) has not been widely reported. Purpose: To evaluate the effectiveness of TXA to reduce postoperative hemarthrosis and improve clinical outcomes after ACLR. Study Design: Systematic review; Level of evidence, 2. Methods: A systematic review of the literature following the PRISMA guidelines (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) was performed; literature retrieval was carried out using the MEDLINE, Embase, and Cochrane Library electronic databases. The inclusion criteria were comparative studies in English that reported the administration of intravenous or intra-articular TXA versus other modalities or placebo in patients undergoing ACLR. Results: Six studies comprising 418 patients who were treated with TXA were included. Heterogeneity among studies did not allow for the pooling of data. Five studies showed decreased drainage volume in the first 24 or 48 hours postoperatively as compared with control (ACLR with no TXA). Four studies showed lower hemarthrosis grades and visual analog scale scores in TXA versus control in the early postoperative period, although this difference was not evident at 4 weeks postoperatively. No studies showed differences in infection, deep venous thrombosis, or adverse events between the TXA and control groups. Conclusion: The current best available evidence suggests that TXA administration at the time of ACLR results in decreased intra-articular bleeding (measured using a drainage system), hemarthrosis grade, and pain when compared with control.
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Affiliation(s)
- Yuyan Na
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yanbo Jia
- Department of Arthroscopy and Sports Medicine, the Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Yuting Shi
- Cardiac Function Department, Cadre Health Care Center, Inner Mongolia Autonomous Region People’s Hospital, Hohhot, Inner Mongolia Autonomous Region, China
| | - Wanlin Liu
- Department of Pediatric Orthopedics, the Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Changxu Han
- Department of Arthroscopy and Sports Medicine, the Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Yinghui Hua
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
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Abdallah AA, Sallam AA, Arafa MS, Henawy AT. Topical Tranexamic Acid in Total Knee Arthroplasty: Does It Augment the Effect of the Intravenous Administration in Patients with Moderate-to-High Risk of Bleeding? A Randomized Clinical Trial. J Knee Surg 2021; 34:1570-1578. [PMID: 32434234 DOI: 10.1055/s-0040-1710549] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study aimed to compare the superimposed clinical value of topical tranexamic acid (TXA) application when it is simultaneously combined with intravenous (IV) administration versus the use of either IV TXA alone or IA TXA alone during primary total knee arthroplasty (TKA) in patients with moderate-to-high risk of bleeding. We hypothesized that the combined administration approach will result in a more adequate reduction in the perioperative blood loss and blood transfusion rate. Ninety-four patients undergoing primary TKA were randomly allocated into intra-articular (IA) alone, IV alone, and combined group. We used 2 g of IV TXA in the IV TXA alone and combined groups 10 minutes before tourniquet deflation. However, we applied 1.5 g TXA in 100 mL isotonic saline half topically before arthrotomy closure and half retrogradely after wound closure through the drain. Follow-up period was 6 weeks. The primary outcome measures included the drainage blood volume, total blood loss, hidden blood loss, intraoperative blood loss, and the allogenic transfusion rate. Secondary outcomes included postoperative hemoglobin drop, amount of transfused blood units, thromboembolism, and wound complications. Combined administration of TXA provided significantly better results in terms of blood volume collected by the drain, total blood loss, and hidden blood loss (p < 0.01). Contrarily, the intraoperative blood loss, the allogeneic transfusion rate, and the number of transfused units were similar in all groups (p > 0.05). The subgroup analysis revealed that a combined IA and IV TXA administration significantly reduced the total blood loss in patients with either moderate or high risk of bleeding. Moreover, the degree of hemoglobin drop was significantly lesser with the combined approach. No thromboembolic complications or wound infection occurred. In conclusion, the combined use of topical and IV tranexamic acid resulted in a significant reduction in postoperative blood loss and hemoglobin level following TKA but did not influence the rate of allogeneic blood transfusion. This is a Level I, therapeutic study.
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Affiliation(s)
- Ahmed A Abdallah
- Department of Orthopedic Surgery and Trauma, Suez Canal University Hospitals, Ismailia, Egypt
| | - Asser A Sallam
- Department of Orthopedic Surgery and Trauma, Suez Canal University Hospitals, Ismailia, Egypt
| | - Mohamed S Arafa
- Department of Orthopaedic Surgery, Fayoum University Hospital, Fayoum, Egypt
| | - Ayman T Henawy
- Department of Orthopedic Surgery and Trauma, Suez Canal University Hospitals, Ismailia, Egypt
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Urgel Granados AC, Torres Campos A, Royo Agustín M, Rillo Lázaro A, Espallargas Donate MT, Castro Sauras Á. Influence of intra-articular tranexamic acid on cost savings and early functional outcomes in total knee arthroplasty. ACTA ACUST UNITED AC 2021. [PMID: 34112449 DOI: 10.1016/j.recote.2021.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND AIM Total knee arthroplasty (TKA) is a frequent intervention that can associate significant blood loss. There are several methods to avoid transfusions. One of the most relevant is tranexamic acid (TXA). Our purpose is to analyse the efficacy in terms of blood savings, transfusion needs, functional results, and cost-effectiveness of intra-articular (IA) administration in TKA. MATERIALS AND METHODS We conducted a retrospective analysis of historical cohorts (75 patients each) between January 2015 and December 2016. We included 150 patients (59,3% women) with a mean age of 73,58 years. The intervention consisted of administering 2 g of IA TXA with a contact time of 30 min. Demographic data, preoperative haematological status, surgery data, estimated total blood loss (ETBL), need for transfusion, functional results, and cost analysis were collected. The level of statistical significance was p ≤ 0,05. RESULTS The incidence of transfusion was 17,33% in the control group and 5,33% in the TXA group (p = 0,039), with a relative risk reduction of 78,3%. The TXA cohort showed a reduction in ETBL (p < 0,0005), units transfused (p = 0,019) and length of stay (p = 0,004). All early functional parameters also improved, including a 10° improvement in both flexion and extension (p < 0,0005). The use of IA TXA resulted in savings of 337,78 € per patient. CONCLUSIONS In our experience, the administration of IA TXA in TKA is a cost-effective and efficient measure in terms of blood savings and immediate postoperative functional improvement.
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Affiliation(s)
- A C Urgel Granados
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, Spain.
| | - A Torres Campos
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
| | - M Royo Agustín
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, Spain
| | - A Rillo Lázaro
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, Spain
| | | | - Á Castro Sauras
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, Spain
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Bolam SM, O'Regan-Brown A, Paul Monk A, Musson DS, Cornish J, Munro JT. Toxicity of tranexamic acid (TXA) to intra-articular tissue in orthopaedic surgery: a scoping review. Knee Surg Sports Traumatol Arthrosc 2021; 29:1862-1871. [PMID: 32860523 DOI: 10.1007/s00167-020-06219-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 08/06/2020] [Indexed: 12/28/2022]
Abstract
PURPOSE Intra-articular administration of tranexamic acid (TXA) in orthopaedic arthroplasty and arthroscopic procedures has become increasingly common over the past decade. However, several recent reports have shown that TXA has the potential to be cytotoxic to cartilage, tendon and synovium. Our aim was to review the literature for evidence of toxic effects from TXA exposure to intra-articular tissue. METHODS A scoping review methodology was used to search for studies assessing the toxic effects of TXA exposure to intra-articular tissues. MEDLINE, EMBASE, SCOPUS and The Cochrane Library were searched. Relevant information was extracted and synthesis of the retrieved data followed a basic content analytical approach. RESULTS A total of 15 laboratory studies were retrieved. No clinical studies reporting a toxic effect of TXA on intra-articular tissue were identified in our search. Studies were analysed according to species of origin, tissue of origin and study setting (in vitro, ex vivo, or in vivo). There was increasing cytotoxicity to chondrocytes, tenocytes, synoviocytes and periosteum-derived cells with TXA concentrations beyond 20 mg/ml. Monolayer cell cultures appear more susceptible to TXA exposure, than three-dimensional and explant culture models. In vivo studies have not demonstrated a major toxic effect. CONCLUSIONS Current evidence suggests a dose-dependent toxic effect on cartilage, tendon, and synovial tissue. Concentrations of 20 mg/ml or less are expected to be safe. There is a significant body of evidence to suggest the need for caution with intraarticular administration of TXA. There is a need for further human clinical trials in order to clarify the long-term safety of TXA topical application.
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Affiliation(s)
- Scott M Bolam
- Faculty of Medical and Health Sciences, University of Auckland, Building 502 201, 85 Park Road, Grafton, 1023, New Zealand.
- Department of Orthopaedic Surgery, Auckland City Hospital, 2 Park Road, Grafton, New Zealand.
| | - Arama O'Regan-Brown
- Faculty of Medical and Health Sciences, University of Auckland, Building 502 201, 85 Park Road, Grafton, 1023, New Zealand
| | - A Paul Monk
- Department of Orthopaedic Surgery, Auckland City Hospital, 2 Park Road, Grafton, New Zealand
- Auckland Bioengineering Institute, University of Auckland, 70 Symonds St, Grafton, 1010, New Zealand
| | - David S Musson
- Faculty of Medical and Health Sciences, University of Auckland, Building 502 201, 85 Park Road, Grafton, 1023, New Zealand
| | - Jillian Cornish
- Faculty of Medical and Health Sciences, University of Auckland, Building 502 201, 85 Park Road, Grafton, 1023, New Zealand
| | - Jacob T Munro
- Faculty of Medical and Health Sciences, University of Auckland, Building 502 201, 85 Park Road, Grafton, 1023, New Zealand
- Department of Orthopaedic Surgery, Auckland City Hospital, 2 Park Road, Grafton, New Zealand
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Li S, Chen B, Hua Z, Shao Y, Yin H, Wang J. Comparative efficacy and safety of topical hemostatic agents in primary total knee arthroplasty: A network meta-analysis of randomized controlled trials. Medicine (Baltimore) 2021; 100:e25087. [PMID: 33761670 PMCID: PMC9282116 DOI: 10.1097/md.0000000000025087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 02/17/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Topical hemostatic agents are commonly used for reducing perioperative blood loss and transfusion requirement in primary total knee arthroplasty (TKA), although the optimal option has yet to be defined. This study aimed to evaluate the efficacy and safety of topical hemostatic agents and rank the best intervention using the network meta-analysis (NMA) method. METHODS We searched Web of science, PubMed, and Cochrane Library database up to April 2020, for randomized controlled trials (RCTs) on topical hemostatic agents in primary TKA. The quality of included studies was assessed using the Cochrane "risk of bias" tool. Direct and indirect comparisons were performed for the result of network meta-analysis followed by consistency test. RESULTS Thirty seven RCTs with 3792 patients were included in this NMA and the pooled results indicated that tranexamic acid plus diluted epinephrine (TXA+DEP) displayed the highest efficacy in reducing total blood loss, hemoglobin drop and transfusion requirement. None of the included treatments was found to increase risk of thromboembolic events compared to placebo. According to the results of ranking probabilities, TXA+DEP had the highest possibility to be the best topical hemostatic agent with regard to the greatest comparative efficacy and a relatively high safety level. CONCLUSION Current evidence supports that administration of TXA+DEP may be the optimal topical hemostatic agent to decrease blood loss and transfusion requirement in primary TKA. More direct studies that focused on the topical application of TXA+DEP versus other treatments are needed in the future.
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Affiliation(s)
- Shaoshuo Li
- Laboratory for New Techniques of Restoration & Reconstruction of Orthopedics and Traumatology, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Traumatology & Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, China
| | - Baixing Chen
- Department of Development and Regeneration, KU Leuven, University of Leuven, Leuven, Belgium
| | - Zhen Hua
- Department of Traumatology & Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, China
| | - Yang Shao
- Department of Traumatology & Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, China
| | - Heng Yin
- Department of Traumatology & Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, China
| | - Jianwei Wang
- Department of Traumatology & Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, China
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Is continuous locking suture with braided suture sufficient for arthrotomy repair in the conventional TKR? A randomized controlled trial study. J Orthop 2021; 24:47-53. [PMID: 33679027 PMCID: PMC7907677 DOI: 10.1016/j.jor.2021.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 02/07/2021] [Indexed: 11/26/2022] Open
Abstract
Introduction Medial-parapatellar-arthrotomy is the standard approach for total knee replacement(TKR). No studies have clarified the outcomes as quadriceps-strength-recovery (QS) and safety of Continuous-locking-suture-technique(CLS) for the arthrotomy-repair. Methods Patients were randomly assigned into a CLS(n = 40) and an interrupted-horizontal-mattress(IHM, n = 40). QS, visual-analog-scale(VAS), modified-timed-up-and-go(TUGT) test, Western-Ontario-and McMasters-Universities-Osteoarthritis-Index[WOMAC] and Knee-Society-Score[KSS] were followed for 6 months’. Results A significantly-shorter capsular-closure-time in CLS(233 ± 40 VS 388 ± 47 sec)(p < 0.0001). There were insignificant difference in QS, VAS, TUGT, WOMAC and KSS during the 6-month follow-up period(p > 0.05 all). No wound complications were found. Conclusion CLS with braided-suture is safe and effective as demonstrated a recovery of the QS and knee function outcome comparable to IHM. Trial registration This study was registered in Thai Clinical Trials Registry on December 2015 (https://www.clinicaltrials.in.th). The registration number was TCTR20151208003.
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Urgel Granados AC, Torres Campos A, Royo Agustín M, Rillo Lázaro A, Espallargas Donate MT, Castro Sauras Á. Influence of intra-articular tranexamic acid on cost savings and early functional outcomes in total knee arthroplasty. Rev Esp Cir Ortop Traumatol (Engl Ed) 2021. [PMID: 33658168 DOI: 10.1016/j.recot.2020.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND AND AIM Total knee arthroplasty (TKA) is a frequent intervention that can associate significant blood loss. There are several methods to avoid transfusions. One of the most relevant is tranexamic acid (TXA). Our purpose is to analyse the efficacy in terms of blood savings, transfusion needs, functional results, and cost-effectiveness of intra-articular (IA) administration in TKA. MATERIALS AND METHODS We conducted a retrospective analysis of historical cohorts (75 patients each) between January 2015 and December 2016. We included 150 patients (59.3% women) with a mean age of 73.58 years. The intervention consisted of administering 2 g of IA TXA with a contact time of 30 minutes. Demographic data, preoperative haematological status, surgery data, estimated total blood loss (ETBL), need for transfusion, functional results, and cost analysis were collected. The level of statistical significance was p ≤ 0,05. RESULTS The incidence of transfusion was 17.33% in the control group and 5.33% in the TXA group (p = 0.039), with a relative risk reduction of 78.3%. The TXA cohort showed a reduction in ETBL (p < 0.0005), units transfused (p = 0.019) and length of stay (p = 0.004). All early functional parameters also improved, including a 10° improvement in both flexion and extension (p < 0.0005). The use of IA TXA resulted in savings of 337.78 € per patient. CONCLUSIONS In our experience, the administration of IA TXA in TKA is a cost-effective and efficient measure in terms of blood savings and immediate postoperative functional improvement.
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Affiliation(s)
- A C Urgel Granados
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, España.
| | - A Torres Campos
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España
| | - M Royo Agustín
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, España
| | - A Rillo Lázaro
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, España
| | | | - Á Castro Sauras
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Obispo Polanco, Teruel, España
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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] [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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Higher doses of topical tranexamic acid safely improves immediate functional outcomes and reduces transfusion requirement in total knee arthroplasty. Arch Orthop Trauma Surg 2020; 140:2071-2075. [PMID: 32862267 DOI: 10.1007/s00402-020-03591-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/16/2020] [Indexed: 01/18/2023]
Abstract
BACKGROUND Topical administration of tranexamic acid (TXA) in patients undergoing total knee arthroplasty (TKA) is increasingly popular as it avoids the risks related with systemic absorption of the medication. Previous studies have established the efficacy of TXA in TKA, however here are limited direct comparison studies available and the dosing regimens vary. Hence, there is no consensus on an optimal dose. Our objective is to compare blood loss, transfusion requirement and immediate post-operative function between high (2 g) and low (1 g) dose tranexamic acid in patients undergoing TKA. METHODS This is a retrospective cohort study of 104 patients undergoing total knee arthroplasty in a single institution under a single surgeon. In total, 61 and 43 patients receiving 1 g and 2 g of topical TXA respectively. Blood loss as estimated from the difference in haemoglobin (Hb) and haematocrit (HCT) levels post-surgery and number of blood transfusions required were compared between groups. Immediate post-operative function and complications were also measured. RESULTS Patient characteristics were mostly similar between groups. The transfusion requirements were higher in 1 g group compared to the 2 g group (0.11 vs 0.00, p = 0.034). The mean post op day 1 (POD1) range of motion higher in the 1 g group vs 2 g group (72.1 vs 63.7, p = 0.035). The 2 g group had a lower POD1 pain score compared to the 1 g group (4.02 vs 5.43, p < 0.01). There was no statistically significant difference in complications that were related to the administration of TXA between the two groups. CONCLUSION Higher dose of topical TXA is safe, helps improve immediate post-operative functional outcomes and reduces transfusion requirements.
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Subcutaneous Injection of Tranexamic Acid to Reduce Bleeding During Dermatologic Surgery: A Double-Blind, Placebo-Controlled, Randomized Clinical Trial. Dermatol Surg 2019; 45:759-767. [PMID: 30640775 DOI: 10.1097/dss.0000000000001786] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Topical application, oral, and IV injection of tranexamic acid (TXA) have been used to reduce surgical bleeding. OBJECTIVE To evaluate the safety and efficacy of TXA injected subcutaneously to reduce bleeding during dermatologic surgery. METHODS In this double-blinded, placebo-controlled, randomized prospective study, 131 patients were randomized to subcutaneous injection of lidocaine 2% diluted 1:1 with either saline (placebo) or TXA 100 mg/1 mL before surgery. Before the second stage or closure, size measurements of bloodstain impregnation on Telfa and surgical wound size were recorded and analyzed using mixed-effects linear regression. Subjective evaluation of hemostasis was performed using 4-point scale grading and analyzed using Fischer's exact test. RESULTS One hundred twenty-seven patients completed the study. The bloodstain to surgical wound size ratio was smaller in the TXA group (1.77) compared with the placebo group (2.49) (p < .001). An improved effect of TXA on bleeding was observed in the subgroup of patients receiving anticoagulants (mean difference; 95% confidence interval; -0.83; -1.20 to -0.46 p < .001). The subjective hemostasis assessment was significantly better in the TXA group overall (p = .043) and anticoagulant subgroup (p = .001) compared with the placebo group. CONCLUSION Subcutaneous injection of TXA was safe, reduced bleeding during dermatologic surgery, and particularly effective for patients receiving anticoagulation treatment.
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Beswick AD, Dennis J, Gooberman-Hill R, Blom AW, Wylde V. Are perioperative interventions effective in preventing chronic pain after primary total knee replacement? A systematic review. BMJ Open 2019; 9:e028093. [PMID: 31494601 PMCID: PMC6731899 DOI: 10.1136/bmjopen-2018-028093] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES For many people with advanced osteoarthritis, total knee replacement (TKR) is an effective treatment for relieving pain and improving function. Features of perioperative care may be associated with the adverse event of chronic pain 6 months or longer after surgery; effects may be direct, for example, through nerve damage or surgical complications, or indirect through adverse events. This systematic review aims to evaluate whether non-surgical perioperative interventions prevent long-term pain after TKR. METHODS We conducted a systematic review of perioperative interventions for adults with osteoarthritis receiving primary TKR evaluated in a randomised controlled trial (RCT). We searched The Cochrane Library, MEDLINE, Embase, PsycINFO and CINAHL until February 2018. After screening, two reviewers evaluated articles. Studies at low risk of bias according to the Cochrane tool were included. INTERVENTIONS Perioperative non-surgical interventions; control receiving no intervention or alternative treatment. PRIMARY AND SECONDARY OUTCOME MEASURES Pain or score with pain component assessed at 6 months or longer postoperative. RESULTS 44 RCTs at low risk of bias assessed long-term pain. Intervention heterogeneity precluded meta-analysis and definitive statements on effectiveness. Good-quality research provided generally weak evidence for small reductions in long-term pain with local infiltration analgesia (three studies), ketamine infusion (one study), pregabalin (one study) and supported early discharge (one study) compared with no intervention. For electric muscle stimulation (two studies), anabolic steroids (one study) and walking training (one study) there was a suggestion of more clinically important benefit. No concerns relating to long-term adverse events were reported. For a range of treatments there was no evidence linking them with unfavourable pain outcomes. CONCLUSIONS To prevent chronic pain after TKR, several perioperative interventions show benefits and merit further research. Good-quality studies assessing long-term pain after perioperative interventions are feasible and necessary to ensure that patients with osteoarthritis achieve good long-term outcomes after TKR.
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Affiliation(s)
- Andrew David Beswick
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Jane Dennis
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Rachael Gooberman-Hill
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, UK
| | - Ashley William Blom
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, UK
| | - Vikki Wylde
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, UK
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Tammachote N, Raphiphan R, Kanitnate S. High-dose (3 g) topical tranexamic acid has higher potency in reducing blood loss after total knee arthroplasty compared with low dose (500 mg): a double-blind randomized controlled trial. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2019; 29:1729-1735. [PMID: 31359178 DOI: 10.1007/s00590-019-02515-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 07/22/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND Topical intra-articular tranexamic acid (IA-TXA) has been proven to be safe and effective in reducing postoperative blood loss after primary total knee arthroplasty (TKA). The objective of this study was to investigate the efficacy of high dose (3 g) compared with low dose (500 mg) of IA-TXA in postoperative blood loss after primary TKA. METHODS A double-blind randomized controlled trial was conducted in 80 patients who had undergone primary TKA. The patients were divided into two groups according to intra-articular TXA doses: high-dose group (3 g IA-TXA) and low-dose group (500 mg IA-TXA). The drug was injected into the joint capsule after fascial closure without suction drainage. The primary outcomes were maximum hemoglobin drop (g/dL) and calculated total blood loss (mL). Postoperative blood transfusions, thromboembolic events and functional outcomes were also recorded. RESULTS The mean maximum hemoglobin drop was 1.3 g/dL lower in 3 g IA-TXA group compared to the 500 mg IA-TXA group [1.7 vs 3.0 g/dL, 95% confidence interval (CI) 0.9-1.7 g/dL, P < 0.001]. The 3 g IA-TXA group had 370 mL less calculated total blood loss compared to the 500 mg IA-TXA group (551 vs 921 mL, 95% CI 252-489 mL, P < 0.001). One patient in the 500 mg IA-TXA group required transfusion, while no patient in the 3 g IA-TXA group received transfusion (P = 0.31). Any thromboembolic event was not found, and functional outcome was similar between the two groups. CONCLUSIONS Application of high-dose, 3 g topical IA-TXA was 43% more effective in reducing postoperative blood loss compared with low dose of 500 mg in primary TKA. Optimal doses in between the above two doses may be a worthwhile further investigation.
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Affiliation(s)
- Nattapol Tammachote
- Department of Orthopaedics, Faculty of Medicine, Thammasat University, 99 Moo 18, Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand.
| | - Raphi Raphiphan
- Department of Orthopaedics, Faculty of Medicine, Thammasat University, 99 Moo 18, Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand
| | - Supakit Kanitnate
- Department of Orthopaedics, Faculty of Medicine, Thammasat University, 99 Moo 18, Khlong Nueng, Khlong Luang, Pathumthani, 12120, Thailand
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Sun Q, Li J, Chen J, Zheng C, Liu C, Jia Y. Comparison of intravenous, topical or combined routes of tranexamic acid administration in patients undergoing total knee and hip arthroplasty: a meta-analysis of randomised controlled trials. BMJ Open 2019; 9:e024350. [PMID: 30696680 PMCID: PMC6352808 DOI: 10.1136/bmjopen-2018-024350] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVE This study aimed to compare the effects of intravenous, topical and combined routes of tranexamic acid (TXA) administration on blood loss and transfusion requirements in patients undergoing total knee arthroplasty (TKA) and total hip arthroplasty (THA). DESIGN This was a meta-analysis of randomised controlled trials (RCT) wherein the weighted mean difference (WMD) and relative risk (RR) were used for data synthesis applied in the random effects model. Stratified analyses based on the surgery type, region, intravenous and topical TXA dose and transfusion protocol were also conducted. The main outcomes included intraoperative and total blood loss volume, transfusion rate, low postoperative haemoglobin (Hb) level and postoperative Hb decline. However, the secondary outcomes included length of hospital stay (LOS) and/or occurrence of venous thromboembolism (VTE). SETTING We searched the PubMed, Embase and Cochrane CENTRAL databases for RCTs that compared different routes of TXA administration. PARTICIPANTS Patients undergoing TKA or THA. INTERVENTIONS Intravenous, topical or combined intravenous and topical TXA. RESULTS Twenty-six RCTs were selected, and the intravenous route did not differ substantially from the topical route with respect to the total blood loss volume (WMD=30.92, p=0.31), drain blood loss (WMD=-34.53, p=0.50), postoperative Hb levels (WMD=-0.01, p=0.96), Hb decline (WMD=-0.39, p=0.08), LOS (WMD=0.15, p=0.38), transfusion rate (RR=1.08, p=0.75) and VTE occurrence (RR=1.89, p=0.15). Compared with the combined-delivery group, the single-route group had significantly increased total blood loss volume (WMD=198.07, p<0.05), greater Hb decline (WMD=0.56, p<0.05) and higher transfusion rates (RR=2.51, p<0.05). However, no significant difference was noted in the drain blood loss, postoperative Hb levels and VTE events between the two groups. The intravenous and topical routes had comparable efficacy and safety profiles. CONCLUSIONS The combination of intravenous and topical TXA was relatively more effective in controlling bleeding without increased risk of VTE.
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Affiliation(s)
- Qi Sun
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jinyu Li
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jiang Chen
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Chenying Zheng
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Chuyin Liu
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yusong Jia
- Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
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Sudprasert W, Tanaviriyachai T, Choovongkomol K, Jongkittanakul S, Piyapromdee U. A Randomized Controlled Trial of Topical Application of Tranexamic Acid in Patients with Thoracolumbar Spine Trauma Undergoing Long-Segment Instrumented Posterior Spinal Fusion. Asian Spine J 2018; 13:146-154. [PMID: 30347526 PMCID: PMC6365782 DOI: 10.31616/asj.2018.0125] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 07/25/2018] [Indexed: 12/31/2022] Open
Abstract
Study Design Prospective, randomized controlled trial. Purpose To evaluate the effect of topically applied tranexamic acid (TXA) on postoperative blood loss of neurologically intact patients with thoracolumbar spine trauma. Overview of Literature Few articles exist regarding the use of topical TXA for postoperative bleeding and blood transfusion in spinal surgery. Methods A total of 57 patients were operated on with long-segment instrumented fusion without decompression. In 29 patients, a solution containing 1 g of TXA (20 mL) was applied to the site of surgery via a drain tube after the spinal fascia was closed, and then the drain was clamped for 2 hours. The 28 patients in the control group received the same volume of normal saline, and clamping was performed using the same technique. The groups were compared for postoperative packed red cells (PRC) transfusion rate and drainage volume. Results The rate of postoperative PRC transfusion was significantly lower in the topical TXA group than in the control group (13.8% vs. 39.3%; relative risk, 0.35; 95% confidence interval, 0.13 to 0.97; p=0.03). The mean total drainage volume was significantly lower in the topical TXA group than in the control group (246.7±125 mL vs. 445.7±211.1 mL, p<0.01). No adverse events or complications were recorded in any patient during treatment over a mean follow-up period of 27.5 months. Conclusions The use of topically administered 1 g TXA in thoracic and lumbar spinal trauma cases effectively decreased postoperative transfusion requirements and minimized postoperative blood loss, as determined by the total drainage volume.
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Affiliation(s)
- Weera Sudprasert
- Department of Orthopedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
| | - Terdpong Tanaviriyachai
- Department of Orthopedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
| | - Kongtush Choovongkomol
- Department of Orthopedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
| | - Sarut Jongkittanakul
- Department of Orthopedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
| | - Urawit Piyapromdee
- Department of Orthopedic Surgery, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
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The Efficacy of Tranexamic Acid in Total Knee Arthroplasty: A Network Meta-Analysis. J Arthroplasty 2018; 33:3090-3098.e1. [PMID: 29805106 DOI: 10.1016/j.arth.2018.04.043] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 04/24/2018] [Accepted: 04/26/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND A growing body of published research on tranexamic acid (TXA) suggests that it is effective in reducing blood loss and the risk for transfusion in total knee arthroplasty (TKA). The purpose of this network meta-analysis was to evaluate TXA in primary TKA as the basis for the efficacy recommendations of 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 We searched Ovid MEDLINE, Embase, Cochrane Reviews, Scopus, and Web of Science databases for publications before July 2017 on TXA in primary total joint arthroplasty. All included studies underwent qualitative and quantitative homogeneity testing. Direct and indirect comparisons were performed as a network meta-analysis, and results were tested for consistency. RESULTS After critical appraisal of the available 2113 publications, 67 articles were identified as representing the best available evidence. Topical, intravenous (IV), and oral TXA formulations were all superior to placebo in terms of decreasing blood loss and risk of transfusion, while no formulation was clearly superior. Use of repeat IV and oral TXA dosing and higher doses of IV and topical TXA did not significantly reduce blood loss or risk of transfusion. Preincision administration of IV TXA had inconsistent findings with a reduced risk of transfusion but no effect on volume of blood loss. CONCLUSIONS Strong evidence supports the efficacy of TXA to decrease blood loss and the risk of transfusion after primary TKA. No TXA formulation, dosage, or number of doses provided clearly improved blood-sparing properties for TKA. Moderate evidence supports preincision administration of IV TXA to improve efficacy.
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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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Han YH, Huang HT, Pan JK, Zeng LF, Liang GH, Liang HD, Yang WY, Guo D, Liu J. Is the combined application of both drain-clamping and tranexamic acid superior to the single use of either application in patients with total-knee arthroplasty?: A meta-analysis of randomized controlled trials. Medicine (Baltimore) 2018; 97:e11573. [PMID: 30200059 PMCID: PMC6133556 DOI: 10.1097/md.0000000000011573] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 06/28/2018] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND To compare the efficacy and safety of the combined application of both drain-clamping and tranexamic acid (TXA) versus the single use of either application in patients with total-knee arthroplasty (TKA). METHODS Databases (EMBASE, PubMed, Cochrane Library, Web of Sciences, the Google database, and the Ovid database) were searched from their inception through April 2018 for randomized controlled trials (RCTs) comparing the combined application of both drain-clamping and TXA versus single use of either application in patients with TKA. The Cochrane risk of bias (ROB) tool was used to assess the methodologic quality. The primary outcomes were blood loss in drainage, total blood loss, transfusion rate, and hemoglobin decline. The secondary outcomes were postoperative complications, the Knee Society Score (KSS), and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score. The statistical analysis was performed with RevMan 5.3.5 software. RESULTS A total of five RCTs (479 participants) were included in our meta-analysis. The present meta-analysis indicated that significant differences existed in the total blood loss (mean difference [MD] = -145.86, 95% confidence interval [CI]: -228.64 to -63.08, P = .0006), blood loss in drainage (MD = -169.06, 95% CI: -248.56 to -89.57, P < .0001), hemoglobin decline (MD = -0.66, 95% CI: -1.00 to -0.33, P = .0001), and transfusion rate (MD = 0.44, 95% CI: 0.26-0.75, P = .002) between the groups. However, regarding postoperative complications, no significant differences were found between the 2 groups in the KSS and the WOMAC score (P > .05). CONCLUSION Combined application of both drain-clamping and TXA was associated with significant reductions in blood loss in drainage, total blood loss, hemoglobin decline, and the need for transfusion. However, high-quality, well-designed RCTs with long-term follow-up are still required.
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Affiliation(s)
- Yan-hong Han
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine
| | - He-tao Huang
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine
| | - Jian-ke Pan
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
| | - Ling-feng Zeng
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Gui-hong Liang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Hao-dong Liang
- Second School of Clinical Medicine, Guangzhou University of Chinese Medicine
| | - Wei-yi Yang
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
| | - Da Guo
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
| | - Jun Liu
- Department of Orthopaedics, Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine)
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
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Pong RP, Leveque JCA, Edwards A, Yanamadala V, Wright AK, Herodes M, Sethi RK. Effect of Tranexamic Acid on Blood Loss, D-Dimer, and Fibrinogen Kinetics in Adult Spinal Deformity Surgery. J Bone Joint Surg Am 2018; 100:758-764. [PMID: 29715224 DOI: 10.2106/jbjs.17.00860] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Antifibrinolytics such as tranexamic acid reduce operative blood loss and blood product transfusion requirements in patients undergoing surgical correction of scoliosis. The factors involved in the unrelenting coagulopathy seen in scoliosis surgery are not well understood. One potential contributor is activation of the fibrinolytic system during a surgical procedure, likely related to clot dissolution and consumption of fibrinogen. The addition of tranexamic acid during a surgical procedure may mitigate the coagulopathy by impeding the derangement in D-dimer and fibrinogen kinetics. METHODS We retrospectively studied consecutive patients who had undergone surgical correction of adult spinal deformity between January 2010 and July 2016 at our institution. Intraoperative hemostatic data, surgical time, estimated blood loss, and transfusion records were analyzed for patients before and after the addition of tranexamic acid to our protocol. Each patient who received tranexamic acid and met inclusion criteria was cohort-matched with a patient who underwent a surgical procedure without tranexamic acid administration. RESULTS There were 17 patients in the tranexamic acid cohort, with a mean age of 60.7 years, and 17 patients in the control cohort, with a mean age of 60.9 years. Estimated blood loss (932 ± 539 mL compared with 1,800 ± 1,029 mL; p = 0.005) and packed red blood-cell transfusions (1.5 ± 1.6 units compared with 4.0 ± 2.1 units; p = 0.001) were significantly lower in the tranexamic acid cohort. In all single-stage surgical procedures that met inclusion criteria, the rise of D-dimer was attenuated from 8.3 ± 5.0 μg/mL in the control cohort to 3.3 ± 3.2 μg/mL for the tranexamic acid cohort (p < 0.001). The consumption of fibrinogen was 98.4 ± 42.6 mg/dL in the control cohort but was reduced in the tranexamic acid cohort to 60.6 ± 35.1 mg/dL (p = 0.004). CONCLUSIONS In patients undergoing spinal surgery, intravenous administration of tranexamic acid is effective at reducing intraoperative blood loss. Monitoring of D-dimer and fibrinogen during spinal surgery suggests that tranexamic acid impedes the fibrinolytic pathway by decreasing consumption of fibrinogen and clot dissolution as evidenced by the reduced formation of D-dimer. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Ryan P Pong
- Virginia Mason Medical Center, Seattle, Washington
| | | | - Alicia Edwards
- Chicago Medical School, Rosalind Franklin University, North Chicago, Illinois
| | - Vijay Yanamadala
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts
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Park JH, Choi SW, Shin EH, Park MH, Kim MK. The optimal protocol to reduce blood loss and blood transfusion after unilateral total knee replacement: Low-dose IA-TXA plus 30-min drain clamping versus drainage clamping for the first 3 h without IA-TXA. J Orthop Surg (Hong Kong) 2018; 25:2309499017731626. [PMID: 28950794 DOI: 10.1177/2309499017731626] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Although intraarticular tranexamic acid (IA-TXA) administration or drainage clamping are popular methods used to reduce blood loss after total knee replacement (TKR), the protocol remains controversial. We aimed (1) to establish new protocols through investigating whether two methods, that is, low-dose (500 mg) IA-TXA plus 30-min drain clamping and drainage clamping for the first 3 h without IA-TXA, can reduce blood loss and blood transfusion after unilateral TKR and (2) to make recommendations related to clinical application. MATERIALS AND METHODS This study, conducted from September 2014 to June 2016 related to enrolled 95 patients with primary osteoarthritis who were to have a unilateral cemented TKR, was nonrandomized and retrospective. In group A, the drain was released following tourniquet deflation. In group B, 500-mg TXA was injected into the knee joint via a drain tube after fascia closure and the drain was clamped for the first 30 min to prevent leakage. In group C, the drain was clamped for the first 3-h postoperation. Demographic characteristics and clinical data were collected, including the levels of hematocrit (Hct), the total blood loss (TBL), drained blood volume (BV), the amount of blood transfused, and any complications that developed. RESULTS We found a significantly lower postoperative TBL, drained BV, decreasing Hct level, and less transfused BV in the IA-TXA injection group (group B) and the 3-h drainage clamping group (group C) compared to the conventional negative drainage group (group A; p < 0.001). There was no significant difference between groups B and C ( p = 0.99). CONCLUSIONS The drainage clamping method can be safer than IA-TXA administration in patients with risk factor of venous thromboembolic complication. Furthermore, the IA-TXA administration can be more optimal than drainage clamping in patients with high bleeding tendency or lateral retinacular release during TKR, who would be concerned about postoperative wound complication.
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Affiliation(s)
- Joo Hyun Park
- 1 Department of Orthopedic Surgery, College of Medicine, Inha University Hospital, Incheon, Korea
| | - Sung Wook Choi
- 2 Department of Orthopedic Surgery, College of Medicine, Jeju National University Hospital, Jeju, Korea
| | - Eun Ho Shin
- 1 Department of Orthopedic Surgery, College of Medicine, Inha University Hospital, Incheon, Korea
| | - Myung Hoon Park
- 1 Department of Orthopedic Surgery, College of Medicine, Inha University Hospital, Incheon, Korea
| | - Myung Ku Kim
- 1 Department of Orthopedic Surgery, College of Medicine, Inha University Hospital, Incheon, Korea
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López-Hualda Á, Dauder-Gallego C, Ferreño-Márquez D, Martínez-Martín J. Efficacy and safety of topical tranexamic acid in knee arthroplasty. Med Clin (Barc) 2018; 151:431-434. [PMID: 29496242 DOI: 10.1016/j.medcli.2018.01.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 01/05/2018] [Accepted: 01/11/2018] [Indexed: 01/17/2023]
Abstract
INTRODUCTION AND OBJECTIVE Tranexamic acid (TXA) is commonly used to control postoperative blood loss in total knee arthroplasty. In order to avoid adverse effects associated with intravenous administration, topical use has been proposed as an alternative. Our aim was to evaluate the efficacy and safety of topical TXA in total knee arthroplasty. MATERIAL AND METHODS A total of 90 patients scheduled for unilateral total knee arthroplasty were included in a prospective randomised study. All surgeries were performed under spinal anaesthesia, tourniquet and the same postoperative protocol. Patients were allocated to one of the 3 groups according to the application of TXA: group A (n=30) 1g of topical TXA; group B (n=30) 1g of TXA intravenous and in group C or the control group (n=30) no drug was administrated. Parameters related to blood loss and drain outputs were compared between the 3 groups. RESULTS The results revealed that post-operative decrease in haemoglobin level was significantly lower in group A (1.95g/dL) than group B (2.25g/dL) and group C (2.96g/dL), P<.01. Total postoperative blood loss was lower in group A (195mL) than group B (466mL) and group C (718mL), P<.01. There was no significant difference in complications and allogenic blood transfusion rate between the 3 groups. CONCLUSIONS According to the results, topical application of 1g TXA significantly reduced blood loss in patients undergoing total knee arthroplasty more than intravenous or no administration of TXA.
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Affiliation(s)
- Álvaro López-Hualda
- Cirugía Ortopédica y Traumatología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España.
| | - Cristina Dauder-Gallego
- Cirugía Ortopédica y Traumatología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - David Ferreño-Márquez
- Cirugía Ortopédica y Traumatología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - Javier Martínez-Martín
- Cirugía Ortopédica y Traumatología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
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Montroy J, Hutton B, Moodley P, Fergusson NA, Cheng W, Tinmouth A, Lavallée LT, Fergusson DA, Breau RH. The efficacy and safety of topical tranexamic acid: A systematic review and meta-analysis. Transfus Med Rev 2018; 32:S0887-7963(17)30151-7. [PMID: 29567052 DOI: 10.1016/j.tmrv.2018.02.003] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 02/05/2018] [Accepted: 02/10/2018] [Indexed: 12/21/2022]
Abstract
Tranexamic acid (TXA) is an effective hemostatic agent used for the reduction of blood loss and transfusion. However, the safety profile of TXA remains in question due to a potential increased risk of venous thromboembolism. By applying TXA topically as opposed to intravenously, systemic absorption may be reduced and unwanted side-effects mitigated. The objective of our review is to investigate the efficacy and safety of topically applied tranexamic acid compared to both placebo, and the intravenous administration. Cochrane Central Register of Controlled Trials, MEDLINE, Embase, ISI Web of Science, PubMed, and Clinicaltrials.gov were searched from inception to November, 2016. We included randomized controlled trials that compared topical tranexamic acid to either placebo (or standard care) or intravenous administration, in adult patients. Surgical and non-surgical trials were included. Abstract, full-text selection, data extraction and risk of bias assessment were all performed in duplicate. In total, 67 studies involving 6,034 patients met inclusion criteria. The majority of trials evaluated orthopedic procedures. Compared to placebo, the administration of topical TXA significantly reduced the odds of receiving a blood transfusion (pooled OR 0.28, 95% CI 0.20 to 0.38; P < 0.001) and significantly reduced mean blood loss (WMD -276.6, 95% CI -327.8 to -225.4; P < 0.0001). When compared to the intravenous administration, there was no difference between the two groups in terms of transfusion requirements (pooled OR 1.03, 95% CI 0.72 to 1.46; P=0.88) or blood loss (WMD -21.95, 95% CI -66.61 to 27.71; P=0.34). There was no difference in the odds of developing a venous thromboembolic complication between the topical TXA and control groups (pooled OR=0.78, 95% CI 0.47 to 1.29; P=0.33) or the topical and intravenous groups (pooled OR=0.75, 95% CI 0.39 to 1.46; P=0.40). The topical application of TXA effectively reduces both transfusion risk and blood loss compared to placebo, without increasing thromboembolic risks. There were no major differences between topical and intravenous tranexamic acid with respect to safety and efficacy, and both were superior to placebo with regards to blood loss and transfusion requirements. Further study of the topical application is required outside of the field of orthopedics.
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Affiliation(s)
- Joshua Montroy
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada
| | - Brian Hutton
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada
| | - Preveshen Moodley
- Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Nicholas A Fergusson
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Wei Cheng
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Alan Tinmouth
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Luke T Lavallée
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Dean A Fergusson
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Rodney H Breau
- Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada.
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Subramanyam KN, Khanchandani P, Tulajaprasad PV, Jaipuria J, Mundargi AV. Efficacy and safety of intra-articular versus intravenous tranexamic acid in reducing perioperative blood loss in total knee arthroplasty: a prospective randomized double-blind equivalence trial. Bone Joint J 2018; 100-B:152-160. [PMID: 29437056 DOI: 10.1302/0301-620x.100b2.bjj-2017-0907.r1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
AIMS The aims of this study were to compare the efficacy and safety of intra-articular and intravenous (IV) tranexamic acid (TXA) in controlling perioperative blood loss in total knee arthroplasty (TKA) using a randomized, double-blinded equivalence trial. PATIENTS AND METHODS A total of 182 patients aged between 45 and 75 years undergoing unilateral TKA at a tertiary centre were randomized to receive TXA, either 1.5 g intra-articularly after closure of the wound (n = 91) or two doses of 10 mg/kg IV (n = 91). The primary outcome measure was the reduction in the level of haemoglobin (Hb) in the blood on the fifth postoperative day. Secondary outcome measures were the total, visible, and hidden blood losses (TBL, VBL, HBL). We assumed equivalence of the primary outcome in both routes with a margin of ± 0.35gm/dl. Block randomization using computer-generated random numbers was used. The patients and the assessor of outcome were blinded. RESULTS All patients completed the study. The mean difference in the reduction of the level of Hb between the two groups was -0.0055 gm/dl, with two-sided 95% confidence interval (CI) being -0.29 to 0.27, well within the predefined equivalence margin of ± 0.35gm/dl. The groups were comparable with regard to TBL, VBL, HBL, and complications. No patient needed a blood transfusion. CONCLUSION A single intra-articular dose and two IV doses of TXA give equivalent efficacy and safety in the management of blood loss at TKA. Cite this article: Bone Joint J 2018;100-B:152-60.
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Affiliation(s)
- K N Subramanyam
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
| | - P Khanchandani
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
| | - P V Tulajaprasad
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
| | - J Jaipuria
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
| | - A V Mundargi
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
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Liao L, Chen Y, Tang Q, Chen YY, Wang WC. Tranexamic acid plus drain-clamping can reduce blood loss in total knee arthroplasty: A systematic review and meta-analysis. Int J Surg 2018; 52:334-341. [PMID: 29408472 DOI: 10.1016/j.ijsu.2018.01.040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 01/08/2018] [Accepted: 01/29/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND The efficacy of tranexamic acid (TXA) plus drain-clamping in reducing blood loss after total knee arthroplasty (TKA) is controversial. This meta-analysis aimed to identify whether combined tranexamic acid and drain-clamping was superior to TXA alone, drain clamping alone and control treatments. METHODS We searched the PubMed, EMBASE, Web of Science and Google databases and the Cochrane Database of Systematic Reviews. Patients prepared for primary TKA and who underwent TXA plus drain-clamping for blood loss were included in this meta-analysis. Outcomes included the need for transfusion, total blood loss, blood loss in drainage, a decrease in hemoglobin and the occurrence of deep venous thrombosis (DVT). Stata 12.0 was used for meta-analysis. RESULTS Finally, 7 clinical studies with 839 patients were included in this meta-analysis. Compared with the control group, TXA group and drain clamping group treatments, TXA plus drain-clamping could reduce the need for transfusion, total blood loss, blood loss in drainage and the decrease in hemoglobin with statistically significance. CONCLUSIONS TXA plus drain-clamping is an efficient method for controlling blood loss after TKA, and more studies should focus on the optimal clamping duration.
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MESH Headings
- Administration, Intravenous
- Aged
- Antifibrinolytic Agents/adverse effects
- Antifibrinolytic Agents/therapeutic use
- Arthroplasty, Replacement, Knee/adverse effects
- Arthroplasty, Replacement, Knee/methods
- Blood Loss, Surgical/prevention & control
- Blood Loss, Surgical/statistics & numerical data
- Blood Transfusion/statistics & numerical data
- Constriction
- Databases, Factual
- Drainage/methods
- Hemoglobins/analysis
- Hemostasis, Surgical/adverse effects
- Hemostasis, Surgical/methods
- Humans
- Middle Aged
- Tranexamic Acid/adverse effects
- Tranexamic Acid/therapeutic use
- Venous Thrombosis/epidemiology
- Venous Thrombosis/etiology
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Affiliation(s)
- Lele Liao
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - You Chen
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Qi Tang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yi-Yue Chen
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Wan-Chun Wang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.
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George J, Eachempati KK, Subramanyam KN, Gurava Reddy AV. The comparative efficacy and safety of topical and intravenous tranexamic acid for reducing perioperative blood loss in Total knee arthroplasty- A randomized controlled non-inferiority trial. Knee 2018; 25:185-191. [PMID: 29343449 DOI: 10.1016/j.knee.2017.11.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 10/09/2017] [Accepted: 11/17/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Total Knee Arthroplasty (TKA) can be associated with significant perioperative blood loss and blood transfusions. This is a prospective randomised non-inferiority trial comparing intraarticular (IA) and intravenous (IV) routes of administering Tranexamic acid (TXA) with regard to efficacy and safety. METHODS A total of 113 patients who underwent primary unilateral TKA from January to June 2017 randomly received either 1.5g TXA in 100mL normal saline solution (IA group, n=58) or 10mg/kg TXA (IV group, n=55) at 10min before the tourniquet inflation and at tourniquet release. Haemoglobin (Hb) drop on third day (primary outcome), visible blood loss (VBL), hidden blood loss (HBL), total blood loss (TBL), transfusion requirement, incidence of deep vein thrombosis (DVT), wound complications and renal function derangement (secondary outcomes) were recorded. RESULTS The mean difference in haemoglobin drop between both groups was 0.25g/dL with 90% CI of -0.07 to 0.58. Since the lower bound of 90% CI was above equivalence margin of -0.35, IA group was found to be non-inferior to IV group in terms of Hb drop. The mean difference between both groups of VBL, HBL and TBL were 0.85mL (p value 0.90), -7.9mL (p value 0.90) and -6.2mL (p value 0.93) respectively. Transfusions and wound complications were statistically insignificant. None of the patients had DVT or renal function derangement. CONCLUSION IA TXA is not inferior to IV TXA with regard to efficacy and safety and may be preferred considering ease of administration and lack of systemic absorption.
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Affiliation(s)
| | | | - Koushik Narayan Subramanyam
- Sri Sathya Sai Institute of Higher Medical Sciences-Prasanthigram, Puttaparthi, Andhra Pradesh 515134, India
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Shin YS, Yoon JR, Lee HN, Park SH, Lee DH. Intravenous versus topical tranexamic acid administration in primary total knee arthroplasty: a meta-analysis. Knee Surg Sports Traumatol Arthrosc 2017; 25:3585-3595. [PMID: 27417102 DOI: 10.1007/s00167-016-4235-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 07/05/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE This meta-analysis was designed to compare the effectiveness and safety of intravenous (IV) versus topical administration of tranexamic acid (TXA) in patients undergoing primary total knee arthroplasty (TKA) by evaluating the need for allogenic blood transfusion, incidence of postoperative complications, volume of postoperative blood loss, and change in haemoglobin levels. METHODS Studies were included in this meta-analysis to check whether they assessed the allogenic blood transfusion rate, postoperative complications including pulmonary thromboembolism (PTE) or deep vein thrombosis (DVT), volume of postoperative blood loss via drainage, estimated blood loss, total blood loss, and change in haemoglobin levels before and after surgery in primary TKA with TXA administered through both the IV and topical routes. RESULTS Ten studies were included in this meta-analysis. The proportion of patients requiring allogenic blood transfusion (OR 1.34, 95 % CI 0.63-2.81; n.s.) and the proportion of patients who developed postoperative complications including PTE or DVT (OR 0.85, 95 % CI 0.41 to 1.77; n.s.) did not significantly differ between the two groups. There was 52.3 mL less blood loss via drainage (95 % CI -50.74 to 185.66 mL; n.s.), 52.1 mL greater estimated blood loss (95 % CI -155.27 to 51.03 mL; n.s.), and 51.4 mL greater total blood loss (95 % CI -208.16 to 105.31 mL; n.s.) in the topical TXA group as compared to the IV TXA group. The two groups were also similar in terms of the change in haemoglobin levels (0.02 g/dL, 95 % CI -0.36 to 0.39 g/dL; n.s.). CONCLUSIONS In primary TKA, there are no significant differences in the transfusion requirement, postoperative complications, blood loss, and change in haemoglobin levels between the IV and topical administration of TXA. In addition, results from subgroup analysis evaluating the effect of the times of TXA administration through the IV route suggested that double IV dose of TXA is more effective than single dose in terms of the transfusion requirements and blood loss via drainage. The current meta-analysis indicates that IV administration of 10 mg/kg of TXA 20 min before inflation of the tourniquet followed by 10 mg/kg of TXA 15 min before deflation of the tourniquet is effective and safe. The topical administration of 2 g of TXA mixed with 100 mL of normal saline after wound closure could be an alternative option in patients at greater risk of thromboembolic complications. LEVEL OF EVIDENCE Meta-analysis, Level III.
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Affiliation(s)
- Young-Soo Shin
- Department of Orthopedic Surgery, Seoul Veterans Hospital, Seoul, Korea
| | - Jung-Ro Yoon
- Department of Orthopedic Surgery, Seoul Veterans Hospital, Seoul, Korea
| | - Hoon-Nyun Lee
- Department of Orthopedic Surgery, Seoul Veterans Hospital, Seoul, Korea
| | - Se-Hwan Park
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon-ro, Gangnam-gu, Seoul, 135-710, Korea
| | - Dae-Hee Lee
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon-ro, Gangnam-gu, Seoul, 135-710, Korea.
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Zekcer A, Del Priori R, Tieppo C, Silva RSD, Severino NR. Estudo comparativo com uso do ácido tranexâmico tópico e intravenoso em relação à perda sanguínea na artroplastia total do joelho. Rev Bras Ortop 2017. [DOI: 10.1016/j.rbo.2016.09.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Comparative study of topical vs. intravenous tranexamic acid regarding blood loss in total knee arthroplasty. Rev Bras Ortop 2017; 52:589-595. [PMID: 29062824 PMCID: PMC5643894 DOI: 10.1016/j.rboe.2017.08.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 09/20/2016] [Indexed: 12/02/2022] Open
Abstract
Objective To compare topical vs. intravenous tranexamic acid (TA) in total knee arthroplasty regarding blood loss and transfusion. Methods Ninety patients were randomized to receive TA intravenously (20 mg/kg in 100 mL of saline; group IV), topically (1.5 g in 50 mL of saline, sprayed over the operated site, before release of the tourniquet; topical group), or intravenous saline (100 mL with anesthesia; control group). The volume of drained blood in 48 h, the amount of transfused blood, and the serum levels of hemoglobin and hematocrit before and after surgery were evaluated. Results The groups were similar for gender, age, weight, laterality, and preoperative hemoglobin and hematocrit levels (p > 0.2). The hemoglobin level dropped in all groups when comparing the preoperative and the 48-h evaluations: the control group decreased 3.8 mg/dL on average, while the IV group had a decrease of 3.0, and the topical group, of 3.2 (p = 0.019). The difference between the control and IV groups was confirmed by Bonferroni test (p = 0.020). The difference between the control group and the topical group was not significant (p = 0.130), although there was less reduction in hemoglobin in the topical group; the comparison between the IV group and the topical group was also not significant (p = 1.000). Conclusion Using topic and IV tranexamic acid decreased blood loss and the need for transfusion in total knee arthroplasty. Topical application showed results similar to IV use regarding the need for blood transfusion, but without the possible side effects of IV administration.
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Xu R, Shi D, Ge W, Jiang Q. Quantitative efficacy of topical administration of tranexamic acid on postoperative bleeding in total knee arthroplasty. Br J Clin Pharmacol 2017; 83:2485-2493. [PMID: 28707406 DOI: 10.1111/bcp.13374] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 06/28/2017] [Accepted: 07/11/2017] [Indexed: 01/09/2023] Open
Abstract
AIMS Topical tranexamic acid (TXA) is used in patients undergoing total knee arthroplasty to reduce perioperative blood loss. However, the optimal dosing regimen remains undetermined. The aim of the present study was to quantitatively evaluate the effect of topical TXA on the reduction of postoperative drainage, and identify the dosing regimen factors affecting the efficacy of topical TXA. METHODS Model-based meta-analysis was used to evaluate the efficacy of topical TXA and the dosing regimen factors influencing clinical efficacy. Data from a systemic literature search was identified and used to build a time-effect model for placebo and TXA in treating perioperative blood loss. RESULTS Fourteen studies containing 16 TXA-control groups of drainage volume data were included for MBMA modelling. The model described the postoperative drainage-time profiles adequately. According to the model estimation, TXA can finally reduce the postoperative drainage by about 41.7%, and 10.9 h was needed to reach 50% of the maximal drainage volume. Covariate analysis indicated that both dose and contact time alone did not correlate well with clinical efficacy. However, when considered together, they can dramatically improve fitting of the data. Simulation showed that increasing dose or contact time extensively would produce a plateau-like effect: 2-3 g TXA with contact time of 1-2 h would yield >60% reduction in the drainage volume. CONCLUSIONS Dose and contact time together determined the efficacy of TXA. Extensively large dose or long contact time seems unnecessary. These findings may further guide the clinical practice on the topical TXA regimen optimization.
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Affiliation(s)
- Ruijuan Xu
- Department of Pharmacy, Drum Tower Hospital Affiliated to Medical School of Nanjing University, Nanjing, China
| | - Dongquan Shi
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital Affiliated to Medical School of Nanjing University, Nanjing, China
| | - Weihong Ge
- Department of Pharmacy, Drum Tower Hospital Affiliated to Medical School of Nanjing University, Nanjing, China
| | - Qing Jiang
- Department of Sports Medicine and Adult Reconstructive Surgery, Drum Tower Hospital Affiliated to Medical School of Nanjing University, Nanjing, China
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Sun Q, Yu X, Wu J, Ge W, Cai M, Li S. Efficacy of a Single Dose and an Additional Dose of Tranexamic Acid in Reduction of Blood Loss in Total Knee Arthroplasty. J Arthroplasty 2017; 32:2108-2112. [PMID: 27889307 DOI: 10.1016/j.arth.2016.10.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/13/2016] [Accepted: 10/03/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND This study aimed at evaluating the efficacy and safety of different regimens with a single dose and an additional postoperative dose of tranexamic acid (TA) in reducing blood loss in total knee arthroplasty (TKA). METHODS A total of 180 patients who were scheduled to undergo primary unilateral TKA in our level I trauma center were recorded and divided into groups A, B, C, and D randomly. Preoperative dose, an additional postoperative dose, and 2 postoperative additional doses of TA were infused intravenously in groups A (30 mg/kg), B (15 mg/kg), and C (10 mg/kg), respectively, and TA was not infused in group D. Blood loss (intraoperative, postoperative, and total blood loss), blood transfusion rate and volume, hemoglobin level, and incidence of deep vein thrombosis were analyzed. RESULTS The total blood loss and postoperative blood loss were significantly lower in groups B and C without any difference between them. As for intraoperative blood loss, there was no significant difference between groups A and B and between groups B and C with superior efficacy than group D. CONCLUSION With the same total dose of TA, the preoperative dose and an additional dose of TA were superior to a single preoperative dose of TA in reducing blood loss in TKA. Besides, 1 additional dose was comparable to 2 additional doses of TA in reducing blood loss.
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Affiliation(s)
- Qi Sun
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Xiao Yu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - JieZhou Wu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Wei Ge
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Ming Cai
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Shaohua Li
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
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Grosso MJ, Trofa DP, Danoff JR, Hickernell TR, Murtaugh T, Lakra A, Geller JA. Tranexamic acid increases early perioperative functional outcomes after total knee arthroplasty. Arthroplast Today 2017; 4:74-77. [PMID: 29560399 PMCID: PMC5859255 DOI: 10.1016/j.artd.2017.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 05/01/2017] [Accepted: 05/19/2017] [Indexed: 01/31/2023] Open
Abstract
Background The purpose of this study was to investigate the influence of tranexamic acid (TXA) on functional outcomes in the immediate postoperative period after total knee arthroplasty (TKA). We hypothesized that the known benefits of TXA would confer measurable clinical improvements in physical therapy (PT) performance, decrease pain, and decrease hospital length of stay (LOS). Methods We retrospectively analyzed 560 TKA patients, including 280 consecutive patients whose surgery was performed before the initiation of a standardized TXA protocol and the first 280 patients who received TXA after protocol initiation. Outcome measurements included postoperative changes in hemoglobin and hematocrit, LOS, pain scores, destination of discharge, and steps ambulated with PT over 5 sessions. Results TXA administration resulted in less overall drops in hemoglobin (P < .001) and hematocrit levels (P < .001). Moreover, patients administered TXA ambulated more than their counterparts during every PT session, which was statistically significant during the second (P = .010), third (P = .011), and fourth (P = .024) sessions. On average, the TXA cohort ambulated 20% more per PT session than patients who did not receive TXA (P < .001). TXA administration did not influence pain levels during PT, hospital LOS, or discharge destination in this investigation. Conclusions It is well known that TXA reduces postoperative anemia, but this study also demonstrates that it confers early perioperative functional benefits for TKA patients. Potential mechanisms for this benefit include reduced rates of postoperative anemia and reduced rates of hemarthroses.
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Affiliation(s)
- Matthew J Grosso
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - David P Trofa
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - Jonathan R Danoff
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - Thomas R Hickernell
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - Taylor Murtaugh
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - Akshay Lakra
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
| | - Jeffrey A Geller
- New York Orthopaedic Hospital, Columbia University Medical Center, New York, NY, USA
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Zhang Y, Zhang JW, Wang BH. Efficacy of tranexamic acid plus drain-clamping to reduce blood loss in total knee arthroplasty: A meta-analysis. Medicine (Baltimore) 2017; 96:e7363. [PMID: 28658157 PMCID: PMC5500079 DOI: 10.1097/md.0000000000007363] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Perioperative blood loss is still an unsolved problem in total knee arthroplasty (TKA). The efficacy of the preoperative use of tranexamic acid (TXA) plus drain-clamping to reduce blood loss in TKA has been debated. This meta-analysis aimed to illustrate the efficacy of TXA plus drain-clamping to reduce blood loss in patients who underwent a TKA. METHODS In February 2017, a systematic computer-based search was conducted in PubMed, EMBASE, Web of Science, the Cochrane Database of Systematic Reviews, and Google Scholar. Data from patients prepared for TKA in studies that compared TXA plus drain-clamping versus TXA alone, drain-clamping alone, or controls were retrieved. The primary endpoint was the need for transfusion. The secondary outcomes were total blood loss, blood loss in drainage, the decrease in hemoglobin, and the occurrence of deep venous thrombosis. After testing for publication bias and heterogeneity between studies, data were aggregated for random-effects models when necessary. RESULTS Ultimately, 5 clinical studies with 618 patients (TXA plus drain-clamping group = 249, control group = 130, TXA-alone group = 60, and drain-clamping group = 179) were included. TXA plus drain-clamping could decrease the need for transfusion, total blood loss, blood loss in drainage, and the decrease in hemoglobin than could the control group, the TXA-alone group, and the drain-clamping group (P < .05). There was no significant difference between the occurrence of deep venous thrombosis between the included groups (P > .05). CONCLUSIONS TXA plus drain-clamping can achieve the maximum effects of hemostasis in patients prepared for primary TKA. Because the number and the quality of the included studies were limited, more high-quality randomized controlled trials are needed to identify the optimal dose of TXA and the clamping hours in patients prepared for TKA.
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Predicting Factors for Allogeneic Blood Transfusion and Excessive Postoperative Blood Loss after Single Low-Dosage Intra-Articular Tranexamic Acid Application in Total Knee Replacement. BIOMED RESEARCH INTERNATIONAL 2017; 2017:2729487. [PMID: 28331851 PMCID: PMC5346377 DOI: 10.1155/2017/2729487] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 02/05/2017] [Indexed: 11/23/2022]
Abstract
Background. Recently, intra-articular tranexamic acid (IA-TXA) application has become a popular method for perioperative blood loss (PBL) reduction in total knee replacement (TKR). Nevertheless, through our knowledge, no previous studies had shown the correlation perioperative factors and the risk of excessive PBL or need of blood transfusion (BT) after IA-TXA. Materials and Methods. A retrospective study was conducted in patients underwent 299 primary TKRs, using IA-TXA, during 2-year period (2013-2014). Patient's characteristic and perioperative data were reviewed and collected. PBL was measured as total hemoglobin loss (THL), estimated total blood loss (ETBL), and drainage volume per kg (DV/kg). Excessive PBL was defined as PBL that exceeded 90th percentile. Results. From multivariate analysis, low preoperative hemoglobin (Hb) level and body mass index (BMI) were the significant predictors of postoperative BT (p < 0.0001 and 0.003, resp.). Excessive THL significant associated with preoperative Hb (p < 0.0001). Excessive ETBL significantly associated with preoperative Hb, height, preoperative range-of-motion, and creatinine clearance (p < 0.05 all). Low BMI and large prosthesis size were the significant predictors of excessive DV/kg (p = 0.0001 and 0.002, resp.). Conclusions. Low preoperative Hb and BMI were the significant risks of postoperative transfusion after TKR with IA-TXA. Moreover, multiple perioperative factors could result in higher PBL.
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Marra F, Rosso F, Bruzzone M, Bonasia DE, Dettoni F, Rossi R. Use of tranexamic acid in total knee arthroplasty. JOINTS 2017; 4:202-213. [PMID: 28217656 DOI: 10.11138/jts/2016.4.4.202] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
PURPOSE different strategies have been developed to reduce blood loss in total knee arthroplasty (TKA). The efficacy of both systemic and local tranexamic acid (TXA) administration is demonstrated in the literature. The aim of the present study was to compare the efficacy of systemic, local and combined (systemic + local) administration of TXA in reducing blood loss after TKA. METHODS we enrolled all patients submitted to a primary TKA in our department between November 2014 and August 2015. They were divided into three groups corresponding to the method of TXA administration used: intravenous (IV), intra-articular (IA), and a combination of the two. Demographic data, as well as preoperative hemoglobin and platelet levels, were collected. The primary outcome was the maximum hemoglobin loss, while the secondary outcomes were the amount of blood in the drain (cc/hour) and the rate of transfusions; postoperative pain was also assessed. Student's t-test or a χ2 test was used to evaluate between-group differences, using p<0.05 as the cut-off for statistically significant differences. RESULTS the sample comprised 34 patients: IV, 10 cases; IA, 15 cases, and combined (IV + IA), 9 cases. The average age of the patients was 71.1±6.4 years. No significant differences in the outcome measures were found between the groups, with the exception of a significantly lower maximum hemoglobin loss in the combined versus the IV group (p=0.02). There were no differences between the groups in the amount of blood in the drain or the rate of transfusions. CONCLUSIONS the data from this preliminary study, as well as data from the literature, confirm that TXA administration is safe and effective in reducing total blood loss in TKA, and no administration protocol seems to be superior to the others. LEVEL OF EVIDENCE Level II, prospective comparative study.
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Affiliation(s)
| | - Federica Rosso
- AO Ordine Mauriziano, Department of Orthopaedics and Traumatology, Turin, Italy
| | - Matteo Bruzzone
- AO Ordine Mauriziano, Department of Orthopaedics and Traumatology, Turin, Italy
| | | | - Federico Dettoni
- AO Ordine Mauriziano, Department of Orthopaedics and Traumatology, Turin, Italy
| | - Roberto Rossi
- AO Ordine Mauriziano, Department of Orthopaedics and Traumatology, Turin, Italy
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Serrano Mateo L, Goudarz Mehdikhani K, Cáceres L, Lee YY, Gonzalez Della Valle A. Topical Tranexamic Acid May Improve Early Functional Outcomes of Primary Total Knee Arthroplasty. J Arthroplasty 2016; 31:1449-52. [PMID: 26869064 DOI: 10.1016/j.arth.2016.01.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 12/14/2015] [Accepted: 01/08/2016] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION The use of tranexamic acid (TXA) reduces postoperative anemia and blood transfusion requirements. We investigated if these beneficial effects improve the early outcomes of primary total knee arthroplasty (TKA). METHODS We retrospectively studied 166 consecutive patients (179 TKAs) who received topical TXA (3 g before tourniquet deflation). This "study group" was compared with a "control group" of 197 consecutive patients (209 TKAs) in whom no TXA was used. We captured outcomes during the first 4 postoperative months. Knee Society score (KSS) was determined preoperatively, 6 weeks, and 4 months postoperatively. The outcomes were compared using univariate analysis. Multiple logistic regressions were calculated to assess differences between groups in KSS at 6 weeks and 4 months, controlling for age, sex, body mass index, and preoperative KSS. RESULTS Postoperative hemoglobin was significantly higher in the study than that in the control group on day 1, day 2, and at discharge (P < .0001). Blood transfusions were required in 5% and 22% of patients (P < .001), respectively. Six weeks postoperatively, the functional KSS and its 5 categories (ability to walk, negotiate stairs up and down, stand up from a chair, and the use of support) were significantly higher in the study than those in the control group (P ≤ .001). Four months postoperatively, there was no difference in the KSS between the groups. DISCUSSION Our study suggests that the clinical benefit of topical TXA administration extends beyond the hospitalization period. Its use may improve knee function during the first 6 postoperative weeks. This beneficial clinical effect seems to be negligible afterward.
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Affiliation(s)
| | | | | | - Yuo-Yu Lee
- Hospital for Special Surgery, New York, New York
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Zekcer A, Del Priori R, Tieppo C, da Silva RS, Severino NR. Topical vs. intravenous administration of tranexamic acid in knee arthroplasty and prevalence of deep venous thrombosis: a randomized clinical trial. J Vasc Bras 2016; 15:120-125. [PMID: 29930576 PMCID: PMC5829705 DOI: 10.1590/1677-5449.007515] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background Tranexamic acid (TXA) is widely used in orthopedic surgery to reduce perioperative bleeding. Since TXA inhibits fibrinolysis, there is concern that it may increase the risk of thromboembolic events. Objectives To verify the prevalence of deep venous thrombosis (DVT) in patients receiving TXA during total knee arthroplasty and to compare topical with intravenous administration of the drug. Methods All patients admitted for total knee arthroplasty due to primary arthrosis between June and November of 2014 were recruited consecutively. Thirty patients were randomized to a “topical group” (1.5 g TXA diluted in 50ml saline sprayed over the area operated, before tourniquet release), 30 to an “intravenous group” (20mg/kg TXA in 100 ml of saline, given at the same time as anesthesia), and 30 to a control group (100 ml of saline, given at the same time as anesthesia). All patients had duplex ultrasound scans of the legs on the 15th postoperative day. Results Deep venous thrombosis events occurred in five of the 90 patients operated (one out of 30 in the topical group [3.3%], four out of 30 in the control group [13.3%], and zero in the intravenous group). All were confirmed by duplex ultrasound scans and all were asymptomatic. Prevalence rates of DVT were similar between groups (p = 0.112 for control vs. intravenous; p = 0.353 for control vs. topical; and p =1.000 for intravenous vs. topical, according to two-sided exact tests). Conclusions Both topical and intravenous administration of TXA are safe with regard to occurrence of DVT, since the number of DVT cases in patients given TXA was not different to the number in those given placebo.
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Affiliation(s)
- Ari Zekcer
- Clínica Ortopédica Tatuapé, São Paulo, SP, Brazil
| | | | - Clauber Tieppo
- Instituto de Ortopedia Campo Belo, São Paulo, SP, Brazil
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Si HB, Yang TM, Zeng Y, Shen B. No clear benefit or drawback to the use of closed drainage after primary total knee arthroplasty: a systematic review and meta-analysis. BMC Musculoskelet Disord 2016; 17:183. [PMID: 27118129 PMCID: PMC4845483 DOI: 10.1186/s12891-016-1039-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 04/15/2016] [Indexed: 02/05/2023] Open
Abstract
Background Closed drainage after primary total knee arthroplasty (TKA) has been used routinely for many decades, but controversies have arisen in recent years. The purposes of this study were to compare the clinical outcomes of closed drainage with nondrainage after primary TKA; and to assess the benefit and drawback of closed drainage. Methods Electronic databases (PubMed/Medline, CENTRAL, Embase and Web of Science) were systematically searched for randomised controlled trials (RCTs) that investigated the efficacy and risks of closed drainage after primary TKA. Two investigators independently reviewed studies for eligibility, assessed the risk of bias and extracted the data. A meta-analysis was then performed using Review Manager Software. Results Twelve RCTs totalling 889 TKAs were identified. No significant differences in infection rate or blood loss were found between the closed drainage and nondrainage TKAs, and there was also no significant difference in haematoma formation, deep venous thrombosis, postoperative VAS score or range of motion between the two groups. Conclusions There appears to be no clear benefit or drawback to the use of closed drainage after primary TKA. Improving the use of closed drainage might provide better outcomes.
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Affiliation(s)
- Hai-Bo Si
- Department of Orthopaedics, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, China
| | - Ti-Min Yang
- Department of Orthopaedics, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, China
| | - Yi Zeng
- Department of Orthopaedics, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, China
| | - Bin Shen
- Department of Orthopaedics, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, China.
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Single intravenous tranexamic acid dose to reduce blood loss in primary total knee replacement. Rev Esp Cir Ortop Traumatol (Engl Ed) 2016. [DOI: 10.1016/j.recote.2016.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Sanz-Reig J, Parra Ruiz B, Ferrández Martínez J, Martínez López J. Dosis única intravenosa de ácido tranexámico como medida de ahorro transfusional en prótesis total primaria de rodilla. Rev Esp Cir Ortop Traumatol (Engl Ed) 2016; 60:106-12. [DOI: 10.1016/j.recot.2015.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 08/20/2015] [Accepted: 11/09/2015] [Indexed: 01/30/2023] Open
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Verdecchia NM, Wisniewski MK, Waters JH, Triulzi DJ, Alarcon LH, Yazer MH. Changes in blood product utilization in a seven-hospital system after the implementation of a patient blood management program: A 9-year follow-up. Hematology 2016; 21:490-9. [DOI: 10.1080/10245332.2015.1112496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
| | - Mary Kay Wisniewski
- The Donald D. Wolff Jr Center for Quality, Safety, and Innovation at UPMC, Pittsburgh, PA, USA
| | - Jonathan H. Waters
- Department of Anesthesiology, University of Pittsburgh, PA, USA
- Department of Bioengineering and the McGowan Institute for Regenerative Medicine, University of Pittsburgh, PA, USA
| | - Darrell J. Triulzi
- Department of Pathology, University of Pittsburgh, PA, USA
- The Institute for Transfusion Medicine, Pittsburgh, PA, USA
| | - Louis H. Alarcon
- Departments of Surgery and Critical Care Medicine, University of Pittsburgh, PA, USA
| | - Mark H. Yazer
- Department of Pathology, University of Pittsburgh, PA, USA
- The Institute for Transfusion Medicine, Pittsburgh, PA, USA
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Wang H, Shen B, Zeng Y. Blood Loss and Transfusion After Topical Tranexamic Acid Administration in Primary Total Knee Arthroplasty. Orthopedics 2015; 38:e1007-16. [PMID: 26558665 DOI: 10.3928/01477447-20151020-10] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 03/23/2015] [Indexed: 02/03/2023]
Abstract
There has been much debate and controversy about the safety and efficacy of the topical use of tranexamic acid in primary total knee arthroplasty (TKA). The purpose of this study was to perform a meta-analysis to evaluate whether there is less blood loss and lower rates of transfusion after topical tranexamic acid administration in primary TKA. A systematic review of the electronic databases PubMed, CENTRAL, Web of Science, and Embase was undertaken. All randomized, controlled trials and prospective cohort studies evaluating the effectiveness of topical tranexamic acid during primary TKA were included. The focus of the analysis was on the outcomes of blood loss results, transfusion rate, and thromboembolic complications. Subgroup analysis was performed when possible. Of 387 studies identified, 16 comprising 1421 patients (1481 knees) were eligible for data extraction and meta-analysis. This study indicated that when compared with the control group, topical application of tranexamic acid significantly reduced total drain output (mean difference, -227.20; 95% confidence interval, -347.11 to -107.30; P<.00001), total blood loss (mean difference, -311.28; 95% confidence interval, -404.94 to -217.62; P<.00001), maximum postoperative hemoglobin decrease (mean difference, -0.73; 95% confidence interval, -0.96 to -0.50; P<.00001), and blood transfusion requirements (risk ratios, 0.33; 95% confidence interval, 0.24 to 0.43; P=.14). The authors found a statistically significant reduction in blood loss and transfusion rates when using topical tranexamic acid in primary TKA. Furthermore, the currently available evidence does not support an increased risk of deep venous thrombosis or pulmonary embolism due to tranexamic acid administration. Topical tranexamic acid was effective for reducing postoperative blood loss and transfusion requirements without increasing the prevalence of thromboembolic complications.
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An In Vivo Study of Low-Dose Intra-Articular Tranexamic Acid Application with Prolonged Clamping Drain Method in Total Knee Replacement: Clinical Efficacy and Safety. BIOMED RESEARCH INTERNATIONAL 2015; 2015:164206. [PMID: 26583092 PMCID: PMC4637017 DOI: 10.1155/2015/164206] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 06/21/2015] [Indexed: 02/03/2023]
Abstract
Background. Recently, combined intra-articular tranexamic acid (IA-TXA) injection with clamping drain method showed efficacy for blood loss and transfusion reduction in total knee replacement (TKR). However, until now, none of previous studies revealed the effect of this technique on pharmacokinetics, coagulation, and fibrinolysis. Materials and Methods. An experimental study was conducted, during 2011-2012, in 30 patients undergoing unilateral TKR. Patients received IA-TXA application and then were allocated into six groups regarding clamping drain duration (2-, 4-, 6-, 8-, 10-, and 12-hours). Blood and drainage fluid were collected to measure tranexamic acid (TXA) level and related coagulation and fibrinolytic markers. Postoperative complication was followed for one year. Results. There was no significant difference of serum TXA level at 2 hour and 24 hour among groups (p < 0.05). Serum TXA level at time of clamp release was significantly different among groups with the highest level at 2 hour (p < 0.0001). There was no significant difference of TXA level in drainage fluid, postoperative blood loss, blood transfusion, and postoperative complications (p < 0.05). Conclusions. Low-dose IA-TXA application in TKR with prolonged clamping drain method is a safe and effective blood conservative technique with only minimal systemic absorption and without significant increase in systemic absorption over time.
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