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Meißner N, Strahl A, Rolvien T, Halder AM, Schrednitzki D. Blood transfusion in elective total hip arthroplasty: can patient-specific parameters predict transfusion? Bone Jt Open 2024; 5:560-564. [PMID: 38971574 PMCID: PMC11227374 DOI: 10.1302/2633-1462.57.bjo-2023-0157.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/08/2024] Open
Abstract
Aims Transfusion after primary total hip arthroplasty (THA) has become rare, and identification of causative factors allows preventive measures. The aim of this study was to determine patient-specific factors that increase the risk of needing a blood transfusion. Methods All patients who underwent elective THA were analyzed retrospectively in this single-centre study from 2020 to 2021. A total of 2,892 patients were included. Transfusion-related parameters were evaluated. A multiple logistic regression was performed to determine whether age, BMI, American Society of Anesthesiologists (ASA) grade, sex, or preoperative haemoglobin (Hb) could predict the need for transfusion within the examined patient population. Results The overall transfusion rate was 1.2%. Compared to the group of patients without blood transfusion, the transfused group was on average older (aged 73.8 years (SD 9.7) vs 68.6 years (SD 10.1); p = 0.020) and was mostly female (p = 0.003), but showed no significant differences in terms of BMI (28.3 kg/m2 (SD 5.9) vs 28.7 kg/m2 (SD 5.2); p = 0.720) or ASA grade (2.2 (SD 0.5) vs 2.1 (SD 0.4); p = 0.378). The regression model identified a cutoff Hb level of < 7.6 mmol/l (< 12.2 g/dl), aged > 73 years, and a BMI of 35.4 kg/m² or higher as the three most reliable predictors associated with postoperative transfusion in THA. Conclusion The possibility of transfusion is predictable based on preoperatively available parameters. The proposed thresholds for preoperative Hb level, age, and BMI can help identify patients and take preventive measures if necessary.
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Affiliation(s)
- Nils Meißner
- Department of Orthopaedic Surgery, Sana Hospital Sommerfeld, Kremmen, Germany
| | - André Strahl
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tim Rolvien
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andreas M. Halder
- Department of Orthopaedic Surgery, Sana Hospital Sommerfeld, Kremmen, Germany
| | - Daniel Schrednitzki
- Department of Orthopaedic Surgery, Sana Hospital Sommerfeld, Kremmen, Germany
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Haider MA, Ward SA, Rajahraman V, Rozell JC, Macaulay W, Schwarzkopf R, Hepinstall M. Blood Transfusion in the Age of Tranexamic Acid: Who Needs a Type and Screen Before Total Hip Arthroplasty? J Arthroplasty 2024:S0883-5403(24)00648-X. [PMID: 38914146 DOI: 10.1016/j.arth.2024.06.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 06/26/2024] Open
Abstract
BACKGROUND Modern surgical protocols, particularly the use of tranexamic acid (TXA), have reduced, but not eliminated, blood transfusions surrounding total hip arthroplasty (THA). Identifying patients at risk for transfusion remains important for risk reduction and to determine type and screen testing. METHODS We reviewed 6,405 patients who underwent primary, unilateral THA between January 2014 and January 2023 at a single academic institution, received TXA, and had preoperative hemoglobin (Hgb) values. We compared demographics, baseline hemoglobin levels, and surgical details between patients who were and were not transfused. Data were analyzed utilizing multivariate regression and receiver operating characteristic (ROC) curve analysis. RESULTS The overall perioperative and intraoperative transfusion rates were 3.4 and 1.0%, respectively. Patients who were older, women, and American Society of Anesthesiologists (ASA) class >II demonstrated an increased risk of transfusion. Risk of transfusion demonstrated an inverse correlation with preoperative Hgb levels, a bimodal association with Body Mass Index (BMI), and a direct correlation with age, surgical time, and estimated blood loss on multivariate analysis. The Receiver Operating Characteristic (ROC) analysis demonstrated a preoperative Hgb cutoff of 12 g/dL for predicting any transfusion. Above the threshold of 12 g/dL, total and intraoperative transfusions were rare, with rates of 1.7 and 0.3%, respectively. Total and intraoperative transfusion rates with Hgb between 11 and 12 g/dL were 14.3 and 4.6%, respectively. Below 11 g/dL, total and intraoperative transfusion rates were 27.5 and 10.1%, respectively. CONCLUSION In the age of TXA, blood transfusion is rare in THA when preoperative Hgb is > 12 g/dL, challenging the need for universal type and screening. Conversely, patients who have hemoglobin < 11.0 g/dL, remain at substantial risk for transfusion. Between hemoglobin 11 and 12 g/dL, patient age, sex, BMI, ASA classification, anticipated estimated blood loss (EBL), and surgical time may help predict transfusion risk and the need for a perioperative type and screen.
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Affiliation(s)
- Muhammad A Haider
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Spencer A Ward
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Vinaya Rajahraman
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Joshua C Rozell
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - William Macaulay
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Matthew Hepinstall
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York.
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Liu Y, Ai J, Teng X, Huang Z, Wu H, Zhang Z, Wang W, Liu C, Zhang H. Risk factor analysis and establishment of a nomogram model to predict blood loss during total knee arthroplasty. BMC Musculoskelet Disord 2024; 25:459. [PMID: 38858713 PMCID: PMC11163717 DOI: 10.1186/s12891-024-07570-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 06/05/2024] [Indexed: 06/12/2024] Open
Abstract
PURPOSE The risk factors for excessive blood loss and transfusion during total knee arthroplasty (TKA) remain unclear. The present study aimed to determine the risk factors for excessive blood loss and establish a predictive model for postoperative blood transfusion. METHODS This retrospective study included 329 patients received TKA, who were randomly assigned to a training set (n = 229) or a test set (n = 100). Univariate and multivariate linear regression analyses were used to determine risk factors for excessive blood loss. Univariate and multivariate logistic regression analyses were used to determine risk factors for blood transfusion. R software was used to establish the prediction model. The accuracy and stability of the models were evaluated using calibration curves, consistency indices, and receiver operating characteristic (ROC) curve analysis. RESULTS Risk factors for excessive blood loss included timing of using a tourniquet, the use of drainage, preoperative ESR, fibrinogen, HCT, ALB, and free fatty acid levels. Predictors in the nomogram included timing of using a tourniquet, the use of drainage, the use of TXA, preoperative ESR, HCT, and albumin levels. The area under the ROC curve was 0.855 (95% CI, 0.800 to 0.910) for the training set and 0.824 (95% CI, 0.740 to 0.909) for the test set. The consistency index values for the training and test sets were 0.855 and 0.824, respectively. CONCLUSIONS Risk factors for excessive blood loss during and after TKA were determined, and a satisfactory and reliable nomogram model was designed to predict the risk for postoperative blood transfusion.
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Affiliation(s)
- Yikai Liu
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
- Department of Orthopaedics and Traumatology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Jiangshan Ai
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Xue Teng
- Department of Operating Room, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Zhenchao Huang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Haoshen Wu
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Zian Zhang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Wenzhe Wang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Chang Liu
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Haining Zhang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China.
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Nuñez JH, Colomina J, Angles F, Pallisó F, Acosta HF, Mateu D, Novellas M. Routine pretransfusion testing before primary total hip or knee arthroplasty are an expensive and wasteful routine. Systematic review and meta-analysis. Arch Orthop Trauma Surg 2024; 144:1585-1595. [PMID: 38416137 DOI: 10.1007/s00402-024-05243-3] [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: 07/27/2023] [Accepted: 02/17/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND The excessive routine ordering of pretransfusion tests (blood typing, screening, and cross-matching) for surgical cases incurs significant unnecessary costs and places an undue burden on transfusion services. This study aims to systematically review the literature regarding the necessity of routine pretransfusion tests before total hip arthroplasty (THA) or total knee arthroplasty (TKA) and summarize their outcomes. STUDY METHODS A systematic review and meta-analysis were performed. The study's characteristics, the prevalence of over-ordering pretransfusion tests, transfusion rates, and potential cost savings to the healthcare system were analyzed. RESULTS The study included 17,667 patients. Pooled results revealed a 96.3% over-ordering pretransfusion test rate (95% CI: 0.92-1.00; p < 0.001) among patients undergoing primary THA or TKA. The pooled prevalence of hospital transfusion rate was 3.6%. Notably, there were statistically significant differences in preoperative hemoglobin (Hb) levels between patients not requiring transfusion (Hb = 13.9 g/dl; 95% CI 12.59-15.20; p < 0.001) and those needing transfusion (Hb = 11.9 g/dl; 95% CI 10.69-13.01; p < 0.001) (p = 0.03). The per-patient total cost savings ranged from 28.63 to 191.27 dollars. DISCUSSION Our study suggests that routine pre-transfusion testing for all patients undergoing primary THA or TKA may be unnecessary. We propose limiting pretransfusion test orders to patients with preoperative hemoglobin levels below 12 g/dl in unilateral primary TKA or THA. This targeted approach can result in significant cost savings for healthcare systems and transfusion services by reducing the over-ordering of pretransfusion tests in these surgical procedures.
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Affiliation(s)
- Jorge H Nuñez
- Department of Orthopedic Surgery, Hospital Universitari Mútua Terrassa, Plaça del Doctor Robert, 5, Terrassa, Barcelona, 08221, Spain.
- Artro-Esport, Centro Médico Teknon, Carrer de Vilana, 12, Barcelona, 08022, Spain.
| | - Jordi Colomina
- Department of Orthopedic Surgery, University Hospital Santa Maria, Gestió de Serveis Sanitaris, Alcalde Rovira Roure, 44, Lleida, 25198, Spain
- Multidisciplinary Research Group in Musculoskeletal Pathology, Fragility and Pain Treatment, Institut de Recerca Biomèdica de Lleida Fundació Dr. Pifarré, IRBLleida, Av Alcalde Rovira Roure 80, Lleida, 25198, Spain
| | - Francesc Angles
- Department of Orthopedic Surgery, Hospital Universitari Mútua Terrassa, Plaça del Doctor Robert, 5, Terrassa, Barcelona, 08221, Spain
- Departament de Cirugia, Universitat de Barcelona, Barcelona, Spain
| | - Francesc Pallisó
- Department of Orthopedic Surgery, University Hospital Santa Maria, Gestió de Serveis Sanitaris, Alcalde Rovira Roure, 44, Lleida, 25198, Spain
- Multidisciplinary Research Group in Musculoskeletal Pathology, Fragility and Pain Treatment, Institut de Recerca Biomèdica de Lleida Fundació Dr. Pifarré, IRBLleida, Av Alcalde Rovira Roure 80, Lleida, 25198, Spain
| | - Héctor F Acosta
- Department of Orthopedic Surgery, University Hospital Santa Maria, Gestió de Serveis Sanitaris, Alcalde Rovira Roure, 44, Lleida, 25198, Spain
- Multidisciplinary Research Group in Musculoskeletal Pathology, Fragility and Pain Treatment, Institut de Recerca Biomèdica de Lleida Fundació Dr. Pifarré, IRBLleida, Av Alcalde Rovira Roure 80, Lleida, 25198, Spain
| | - David Mateu
- Departament de Cirugia, Universitat de Barcelona, Barcelona, Spain
- Department of Orthopaedic Surgery, Consorci Sanitari Integral, Hospital Moisés Broggi, Sant Joan Despí, Barcelona, 08970, Spain
| | - Marga Novellas
- Department of Anaesthesiology, Hospital Universitari Mútua Terrassa, Plaça del Doctor Robert, 5, Terrassa, Barcelona, 08221, España
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Heinrich S, Gratza S, Eckardt A, Ilchmann T. Stepwise implementation of an enhanced recovery pathway for elective total hip arthroplasty in a Swiss hospital: a cohort study. Swiss Med Wkly 2024; 154:3537. [PMID: 38579311 DOI: 10.57187/s.3537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024] Open
Abstract
BACKGROUND Enhanced recovery programs after total hip arthroplasty have been shown to reduce hospital length of stay without compromising results, but yet there is a lack of data for the Swiss population. Therefore, this retrospective cohort study evaluated whether similar positive effects on clinical outcomes are present in the context of the Swiss healthcare system. METHODS Patients who underwent elective primary total hip arthroplasty were analysed. The baseline group comprised 50 patients treated consecutively by one surgeon in 2013 according to the clinical practice guidelines. Another surgeon implemented a new standardised treatment protocol in April 2014. In January 2018, this protocol was followed by an enhanced recovery program that integrated all care providers at the hospital. The data of the baseline group (series 0) and four series of 50 patients each, two treated with the standardised treatment protocol (series 1-2) and two treated with the enhanced recovery program (series 3-4), were analysed. All patients had follow-ups at 6 weeks and 3 months after surgery. The primary outcomes were length of stay and discharge destination; the secondary outcomes were admission on the day of surgery (instead of one day prior), the use of urinary catheters, the administration of opioids, the difference between pre- and postoperative haemoglobin, blood transfusions, and adverse events within 3 months of surgery. RESULTS The median length of stay was 10 days in the baseline group and only 5 days after the implementation of the standardised protocol and enhanced recovery program in series 4 (p <0.001). The percentage of patients discharged directly home was higher in series 4 than in the baseline group (84% vs. 66%, p = 0.085). Patients admitted to the hospital on the day of surgery increased from 2% in series 0 to 98% in series 4 (p <0.001). The use of urinary catheters was significantly higher in the baseline group (100% of patients) than in series 3 and 4 (0%) (p <0.001), and the number of patients who did not require opioids was significantly higher in series 4 than in series 0 (36% vs. 10%, p = 0.007). The median blood loss (500 ml vs. 300 ml, p <0.001), median difference in pre- and postoperative haemoglobin (29 g/dl vs. 25 g/dl, p = 0.145), and number of blood transfusions (5 vs. 2 p = 0.99) were higher in the baseline group than in series 4. The number of adverse events did not differ significantly between groups (p = 0.699). CONCLUSIONS Almost all parameters examined in this study showed improvement, whereas the rate of adverse events was not affected and remained low. The presented data can be used as a benchmark, but details of these findings need to be confirmed in larger cohorts.
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Affiliation(s)
| | - Simon Gratza
- University Hospital of Basel, Basel, Switzerland
| | - Anke Eckardt
- University Hospital of Basel, Basel, Switzerland
| | - Thomas Ilchmann
- Hirslanden Klinik Birshof, Endo Team, Münchenstein, Switzerland
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Jiang Q, Wang Y, Xie D, Wei J, Li X, Zeng C, Lei G, Yang T. Trends, complications, and readmission of allogeneic red blood cell transfusion in primary total hip arthroplasty in china: a national retrospective cohort study. Arch Orthop Trauma Surg 2024; 144:483-491. [PMID: 37737901 DOI: 10.1007/s00402-023-05051-1] [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: 06/27/2023] [Accepted: 09/01/2023] [Indexed: 09/23/2023]
Abstract
INTRODUCTION Decrease in allogenic red blood cell (RBC) transfusion rates following total hip arthroplasty (THA) has been reported in the United States, but whether other countries share the same trend remains unclear. Additionally, the relation of allogenic RBC transfusion to the risk of complications in THA remains controversial. Using the Chinese national inpatient database, the current study aimed to examine trends, complications, charges, and readmission patterns of allogeneic RBC transfusion in THA. MATERIALS AND METHODS Patients undergoing primary THA between 2013 and 2019 were included, and then stratified into the transfusion and the non-transfusion group based on the database transfusion records. A generalized estimating equation model was used to investigate trends in transfusion rates. After propensity-score matching, a logistic regression model was used to compare the complications, rates and causes of 30-day readmission between two groups. RESULTS A total of 10,270 patients with transfusion and 123,476 patients without transfusion were included. Transfusion rates decreased from 19.11% in 2013 to 9.94% in 2019 (P for trend < 0.001). After matching, no significant differences in the risk of of in-hospital death (odds ratio [OR], 4.00; 95% confidence interval [CI] 0.85-18.83), wound infection (OR 0.72; 95%CI 0.45-1.17), myocardial infarction (OR 1.17; 95%CI 0.62-2.19), deep vein thrombosis (OR 1.25; 95%CI 0.88-1.78), pulmonary embolism (OR 2.25; 95%CI 0.98-5.17), readmission rates (OR 1.07; 95%CI 0.88-1.30) and readmission causes were observed between two groups. However, the transfusion group had higher hospitalization charges than the non-transfusion group (72,239.89 vs 65,649.57 Chinese yuan [CNY], P < 0.001). CONCLUSIONS This study found that allogeneic RBC transfusion in THA was not associated with the increased risk of complications and any-cause readmission. However, the currently restrictive transfusion policy should be continued because excessive blood transfusion may increase the socioeconomic burden.
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Affiliation(s)
- Qiao Jiang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yuqing Wang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dongxing Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jie Wei
- Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
- Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaoxiao Li
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
- Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
- Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tuo Yang
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China.
- Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Brunello M, Di Martino A, Ruta F, Ferri R, Rossomando V, D'Agostino C, Pederiva D, Schilardi F, Faldini C. Which patient benefit most from minimally invasive direct anterior approach total hip arthroplasty in terms of perioperative blood loss? A retrospective comparative study from a cohort of patients with primary degenerative hips. Musculoskelet Surg 2023; 107:431-437. [PMID: 37314642 PMCID: PMC10709233 DOI: 10.1007/s12306-023-00792-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/05/2023] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Total hip arthroplasty (THA) is a successful surgery, but despite the advancements in anesthesiology and orthopedics, sometimes blood transfusions are required to manage the anemia due to the blood loss, involving a substantial number of patients. The aim of this retrospective comparative study is to define how the choice of the surgical approach, either direct anterior (DA) or posterolateral (PL), may influence the postoperative blood loss and the need for transfusion in THA. MATERIALS AND METHODS Data collection was carried out retrospectively of THAs performed between 2016 and 2021 on primary hip osteoarthritis treated by DA or with PL approach. Clinical and perioperative anesthetic data were collected. Preoperative hemoglobin levels were compared with the lowest detected level by calculating ΔHb (hemoglobin decrease). Then, data from the two groups were cross-checked: duration of surgery, whether premedication with tranexamic acid, duration of the hospitalization, rate of need for hemotransfusions, and amount of blood transfused. The two samples were subdivided into subgroups according to age, BMI, tranexamic acid prophylaxis, and chronic treatment with drugs that alter coagulative properties. RESULTS Time of surgery was longer for patients treated with DA access (mean DA: 78.8 min; mean PL: 74.8 min; p: 0.05; 95% CI), but the length of hospitalization was shorter for patients treated with DA group with a mean time of 6.23 days versus 7.12 days for the PL group (p < 0.01). DA THA resulted advantageous mainly in patients between 66 and 75 years, showing a reduced postoperative transfusion requirement in the postoperative period (DA: 13.43%-mean: 1.33 units; PL: 26.82%-mean: 1.18 units; p: 0.044, 95% CI). Patients that assume blood-altering drugs showed a higher transfusion rate (p < 0.01), but comparison of the two subgroups showed that the choice of the surgical approach did not significantly affect the transfusion rate in these patients (p: 0.512). Prophylaxis with tranexamic acid reduced the transfusion rate (p < 0.01). CONCLUSION Patients treated by minimally invasive direct anterior approach undergo a significantly shorter hospitalization. From the analysis of patient's subgroups those aged between 66- and 75-years benefit from the DA approach mainly for the minor blood loss with less frequent transfusion requirement.
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Affiliation(s)
- M Brunello
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - A Di Martino
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy.
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy.
| | - F Ruta
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - R Ferri
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - V Rossomando
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - C D'Agostino
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - D Pederiva
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - F Schilardi
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
| | - C Faldini
- 1St Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via G.B. Pupilli 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
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Park JG, Han SB, Park JH, Moon SJ, Jang WY. A Decline in Overutilization of Transfusion after Total Knee Arthroplasty Using Pharmacological Agents for Patient Blood Management in South Korea: An Analysis Based on the Korean National Health Insurance Claims Database from 2008 to 2019. Clin Orthop Surg 2023; 15:942-952. [PMID: 38045586 PMCID: PMC10689217 DOI: 10.4055/cios22312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/23/2022] [Accepted: 01/05/2023] [Indexed: 12/05/2023] Open
Abstract
Background This study aimed to evaluate the annual trends of transfusion rates and utilization of blood management agents in total knee arthroplasty (TKA) based on the operation type and to analyze the risk factors of transfusion after TKA. Methods Using the Korean National Insurance claims database of 797,106 primary and revision TKAs between January 2008 and October 2019, data on the patients' characteristics, comorbidities, utilization of transfusion, and blood management agents were collected. The patients were categorized into three groups based on the operation type: primary, revision, and simultaneous bilateral TKA. The transfusion rate and utilization of blood management agents (intraoperative tranexamic acid [TXA] and preoperative iron supplements) were compared, and the risk factors for transfusion were evaluated. Results After excluding the inaccurate data, 730,554 arthroplasties (636,292 primary, 10,540 revision, and 41,861 simultaneous bilateral TKAs) were identified. The transfusion rates of primary, revision, and simultaneous bilateral TKAs in 2019 were 64.0%, 67.7%, and 68.9%, respectively, which were significantly decreased compared with 83.2%, 88.0%, and 92.5% in 2008, respectively (p < 0.001). Conversely, the utilization of intraoperative TXA and preoperative iron supplements was significantly increased from 4.6% and 13.8%, respectively, in 2008 to 52.4% and 27.0%, respectively, in 2019 (p < 0.001). The utilization of intraoperative TXA and preoperative iron supplements significantly lowered the risk of transfusion after TKA (odds ratio [OR], 0.20; p < 0.001 and OR, 0.71; p < 0.001). Conclusions The transfusion rate after TKA decreased gradually from 83.5% to 64.5% between 2008 and 2019 in South Korea corresponding with the increased utilization of blood management agents. Therefore, consistent attention to patient blood management should be emphasized to reduce the transfusion rate after TKA.
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Affiliation(s)
- Jun-Gu Park
- Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Seung-Beom Han
- Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jong-Hoon Park
- Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Seok-Joo Moon
- Department of Biostatistics, Korea University College of Medicine, Seoul, Korea
| | - Woo-Young Jang
- Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
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9
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Yu W, Liu C, Bi Z. Effect of recombinant human erythropoietin combined with iron sucrose on postoperative hemoglobin in patients undergoing artificial joint replacement. Sci Rep 2023; 13:18919. [PMID: 37919317 PMCID: PMC10622435 DOI: 10.1038/s41598-023-41887-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 09/01/2023] [Indexed: 11/04/2023] Open
Abstract
With the aging of the population, an increasing number of elderly patients are opting for artificial joint replacement, leading to the exploration of various rapid rehabilitation programs in the perioperative period. In this study, we aimed to investigate the effectiveness of combining recombinant human erythropoietin and iron sucrose in altering the range and trend of postoperative hemoglobin in patients undergoing arthroplasty. Specifically, we will examine whether this combination can effectively alter the rise and fall of postoperative haemoglobin, identify the inflection point of haemoglobin change or recovery after arthroplasty, and assess the effect of treatment on serum iron in postoperative blood. We conducted a retrospective study of 138 patients who underwent unilateral total joint arthroplasty by the same surgeon in the same hospital before July 2022. The results of this study may provide valuable insights for the development of effective rehabilitation programs for patients undergoing arthroplasty.
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Affiliation(s)
- Wenjiang Yu
- Department of Orthopedics, Linyi People's Hospital, Linyi, Shandong, China
| | - Chengyan Liu
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhiguo Bi
- Department of Orthopedics, The First Hospital of Jilin University, Changchun, Jilin, China.
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10
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Cavazos DR, Sayeed Z, Court T, Chen C, Little BE, Darwiche HF. Predicting Factors for Blood Transfusion in Primary Total Knee Arthroplasty Using a Machine Learning Method. J Am Acad Orthop Surg 2023; 31:e845-e858. [PMID: 37733328 DOI: 10.5435/jaaos-d-23-00063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 06/11/2023] [Indexed: 09/22/2023] Open
Abstract
INTRODUCTION Acute blood loss anemia requiring allogeneic blood transfusion is still a postoperative complication of total knee arthroplasty (TKA). This study aimed to use machine learning models for the prediction of blood transfusion after primary TKA and to identify contributing factors. METHODS A total of 2,093 patients who underwent primary TKA at our institution were evaluated using data extracted from the hospital quality improvement database to identify patient demographics and surgical variables that may be associated with blood transfusion. A multilayer perceptron neural network (MPNN) machine learning algorithm was used to predict risk factors for blood transfusion and factors associated with increased length of stay. Statistical analyses including bivariate correlate analysis, Chi-Square test, and Student t-test were performed for demographic analysis and to determine the correlation between blood transfusion and other variables. RESULTS The results demonstrated important factors associated with transfusion rates, including preoperative hemoglobin level, preoperative creatinine level, length of surgery, simultaneous bilateral surgeries, tranexamic acid usage, American Society of Anesthesiologists Physical Status score, preoperative albumin level, ethanol usage, preoperative anticoagulation medications, age, and TKA type (conventional versus robotic-assisted). Patients who underwent a blood transfusion had a markedly greater length of stay than those who did not. The MPNN machine learning model achieved excellent performance across discrimination (AUC = 0.894). DISCUSSION The MPNN machine learning model showed its power as a statistical analysis tool to predict the ranking of factors for blood transfusion. Traditional statistics are unable to differentiate importance or predict in the same manner as a machine learning model. CONCLUSION This study demonstrated that MPNN for the prediction of patient-specific blood transfusion rates after TKA represented a novel application of machine learning with the potential to improve preoperative planning for treatment outcomes.
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Affiliation(s)
- Daniel R Cavazos
- From the Department of Orthopaedic Surgery and Sports Medicine, Detroit Medical Center, Detroit, MI (Dr. Cavazos, Dr. Sayeed, Dr. Chen, Dr. Court, Dr. Little, and Dr. Darwiche), and the Department of Biomedical Engineering, Wayne State University, Detroit, MI
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11
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Artificial neural networks for the prediction of transfusion rates in primary total hip arthroplasty. Arch Orthop Trauma Surg 2023; 143:1643-1650. [PMID: 35195782 DOI: 10.1007/s00402-022-04391-8] [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: 01/04/2022] [Accepted: 02/10/2022] [Indexed: 12/17/2022]
Abstract
BACKGROUND Despite advancements in total hip arthroplasty (THA) and the increased utilization of tranexamic acid, acute blood loss anemia necessitating allogeneic blood transfusion persists as a post-operative complication. The prevalence of allogeneic blood transfusion in primary THA has been reported to be as high as 9%. Therefore, this study aimed to develop and validate novel machine learning models for the prediction of transfusion rates following primary total hip arthroplasty. METHODS A total of 7265 consecutive patients who underwent primary total hip arthroplasty were evaluated using a single tertiary referral institution database. Patient charts were manually reviewed to identify patient demographics and surgical variables that may be associated with transfusion rates. Four state-of-the-art machine learning algorithms were developed to predict transfusion rates following primary THA, and these models were assessed by discrimination, calibration, and decision curve analysis. RESULTS The factors most significantly associated with transfusion rates include tranexamic acid usage, bleeding disorders, and pre-operative hematocrit (< 33%). The four machine learning models all achieved excellent performance across discrimination (AUC > 0.78), calibration, and decision curve analysis. CONCLUSION This study developed machine learning models for the prediction of patient-specific transfusion rates following primary total hip arthroplasty. The results represent a novel application of machine learning, and has the potential to improve outcomes and pre-operative planning. LEVEL OF EVIDENCE III, case-control retrospective analysis.
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12
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Kirchner GJ. CORR Insights®: Is Social Deprivation Associated With Usage, Adverse Events, and Patient-reported Outcome Measures in Total Joint Arthroplasty? A Systematic Review. Clin Orthop Relat Res 2023; 481:251-253. [PMID: 36239622 PMCID: PMC9831192 DOI: 10.1097/corr.0000000000002462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Gregory J Kirchner
- Resident Physician, Penn State Milton S. Medical Center, Penn State College of Medicine, Hershey, PA, USA
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13
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Livshetz I, Sussman BH, Papas V, Mohamed NS, Salem HS, Delanois RE, Mont MA, Scuderi GR. Analyzing the Burden of Revision Total Knee Arthroplasty in the United States between 2009 and 2016. J Knee Surg 2023; 36:121-131. [PMID: 34237780 DOI: 10.1055/s-0041-1731324] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
As the number of total knee arthroplasties (TKAs) increases, it is reasonable to expect the number of revision TKAs (rTKAs) to rise in parallel. The patient-related and societal burdens of rTKA are poorly understood. Therefore, the purpose of this study was to determine temporal changes in: (1) the incidence of rTKA; (2) patient and hospital characteristics; (3) complications, hospital lengths of stay (LOSs), and discharge dispositions; and (4) costs, charges, and payer types. All patients who underwent rTKA between 2009 and 2016 were identified from the National Inpatient Sample database using International Classification of Diseases, Ninth Revision and Tenth Revision codes and were studied. Univariate analyses were performed to compare the incidence of rTKA, patient and hospital characteristics, LOS and discharge dispositions, as well as costs, charges, and payer types. A multivariate logistic regression model was built to compare the odds of complications in 2009 and 2016. Over our study period, there was a 4.3% decrease in the incidence of rTKA. The mean age of patients who underwent rTKA was 65 years and a majority were female (58%). Mean hospital LOS decreased from 4.1 days in 2009 to 3.3 days in 2016 (p < 0.001). The rate of several complications decreased significantly over our study period including myocardial infarction, cardiac arrest, transfusion, pneumonia, urinary tract infection, and mortality. A significantly lower percentage of rTKA patients were discharged to a skilled nursing facility in 2016 (26.5%) compared with 2009 (31.6%; p < 0.001). There was an 18.7% increase in the mean costs, and a 43.3% increase in the mean charges (p < 0.001). Over the study period, there was a decrease in the incidence of rTKAs. Despite potential improvements in primary TKA, the burden associated with rTKA remains large. This report can be used to help educate medical providers about outcomes that may result from a primary and/or revised TKA.
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Affiliation(s)
- Isaac Livshetz
- Department of Orthopedic Surgery, White Plains Hospital, White Plains, New York
| | - Benjamin H Sussman
- Department of Orthopedic Surgery, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Vivian Papas
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Nequesha S Mohamed
- Department of Orthopedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Hytham S Salem
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Ronald E Delanois
- Department of Orthopedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Michael A Mont
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Giles R Scuderi
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
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14
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Christopher ZK, Verhey JT, Bruce MR, Bingham JS, Spangehl MJ, Clarke HD, Kraus MB. Routine Type and Screens Are Unnecessary in Primary Total Joint Arthroplasty: Follow-up After a Change in Practice. Arthroplast Today 2022; 19:101077. [PMID: 36605497 PMCID: PMC9807859 DOI: 10.1016/j.artd.2022.101077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/31/2022] [Accepted: 11/30/2022] [Indexed: 12/28/2022] Open
Abstract
Background Routine type and screens (T&S) prior to total hip (THA) and total knee arthroplasty (TKA) are common despite low transfusion rates. Our institution implemented a practice change after previously demonstrating a transfusion rate of 1.06%. The purpose of this study is to present the follow-up data 1 year after the practice change of discontinuing routine T&S orders in primary total joint arthroplasty. Methods A practice change was implemented discontinuing routine T&S orders prior to elective primary total joint arthroplasties. We retrospectively reviewed prospectively collected data on preoperative T&S, hemoglobin values, transfusion rates, bleeding disorders, and anticoagulation status. Results A total of 663 patients were included in the study (273 THAs and 390 TKAs). The cumulative transfusion rate was 0.75. No patients received an intraoperative transfusion. Three patients (1.1%) received a postoperative transfusion after THA, and 3 patients (0.5%) received a transfusion after TKA. The mean preoperative hemoglobin in the transfused patients was 12.1 g/dL. Thirteen patients underwent a preoperative T&S (2.0%), and only 2 required transfusion (15.4%). Only 1 patient who required transfusion was on preoperative anticoagulation, and no patients with bleeding disorders required transfusions. Discontinuing routine T&S resulted in an estimated cost savings of $124,325.50. Conclusions Discontinuation of routine T&S did not result in any adverse consequences. If required, T&S can safely be performed intraoperatively or postoperatively. Surgeons may consider obtaining a T&S if their preoperative hemoglobin is less than 11-12 g/dL or if significant blood loss is expected in a complex primary total joint arthroplasty.
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Affiliation(s)
- Zachary K. Christopher
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ, USA,Corresponding author. Department of Orthopedic Surgery, Mayo Clinic, 5777 E Mayo Boulevard, Phoenix, AZ 85054, USA. Tel.: +1 480 342 2377.
| | - Jens T. Verhey
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - Marcus R. Bruce
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
| | | | | | - Henry D. Clarke
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - Molly B. Kraus
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
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15
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Mortazavi SMJ, Razzaghof M, Ghadimi E, Seyedtabaei SMM, Vahedian Ardakani M, Moharrami A. The Efficacy of Bone Wax in Reduction of Perioperative Blood Loss in Total Hip Arthroplasty via Direct Anterior Approach: A Prospective Randomized Clinical Trial. J Bone Joint Surg Am 2022; 104:1805-1813. [PMID: 35984033 DOI: 10.2106/jbjs.22.00376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Perioperative blood management in total hip arthroplasty (THA) has become a prime focus of research. Given the morbidity, delayed recovery, and prolonged hospital stay associated with postoperative anemia, various measures have been proposed to reduce perioperative blood loss (PBL). In this trial, we studied the efficacy of bone wax application on the distal cut surface of the femoral neck in reducing PBL during THA through the direct anterior approach. METHODS In a randomized controlled clinical trial, 152 patients underwent THA through the direct anterior approach with use of bone wax (n = 75) or without bone wax (control) (n = 77). The study was triple-blinded. The primary outcomes were apparent PBL (blood in sponges and suction canister) and total PBL on postoperative days (PODs) 3 and 5 (as calculated with the Good and Nadler methods). Transfusion and complications were the secondary outcomes. RESULTS No significant difference was found between the 2 groups in terms of age, sex, body mass index, American Society of Anesthesiologists score, etiology, preoperative hematologic/coagulation profile, anesthesia, intraoperative mean arterial pressure, or operative time. Apparent PBL, total PBL on POD3, and total PBL, in milliliters, on POD5 were significantly lower in the wax group, with median values of 200 (interquartile range [IQR]: 115 to 310) versus 370 (IQR: 195 to 513.7), 505.2 (IQR: 409.2 to 637.6) versus 747 (IQR: 494.6 to 955.4), and 536.7 (IQR: 430.9 to 689.3) versus 767.8 (IQR: 537.8 to 1,021.9) in the wax and control groups, respectively (p < 0.001). No significant differences in the rates of transfusion and complications were found. CONCLUSIONS Bone wax on the cut surface of femoral neck can significantly reduce PBL during THA through the direct anterior approach. Bone wax is accessible and inexpensive and can be considered a routine part of the surgical technique in THA through the direct anterior approach. This intervention has no impact on complication or transfusion rates. LEVEL OF EVIDENCE Therapeutic Level I . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
| | - Mohammadreza Razzaghof
- Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Ghadimi
- Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mohammad Vahedian Ardakani
- Department of Orthopedic Surgery, Imam Khomeini Hospital Complex (IKHC), Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Moharrami
- Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran
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16
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Stimson LN, Steelman KR, Hamilton DA, Chen C, Darwiche HF, Mehaidli A. Evaluation of Blood Loss in Conventional vs MAKOplasty Total Knee Arthroplasty. Arthroplast Today 2022; 16:224-228. [PMID: 35880226 PMCID: PMC9307488 DOI: 10.1016/j.artd.2022.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/05/2022] [Indexed: 11/27/2022] Open
Abstract
Background Methods Results Conclusions
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17
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DeMik DE, Carender CN, Glass NA, Brown TS, Callaghan JJ, Bedard NA. Who Is Still Receiving Blood Transfusions After Primary and Revision Total Joint Arthroplasty? J Arthroplasty 2022; 37:S63-S69.e1. [PMID: 34511282 DOI: 10.1016/j.arth.2021.08.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/12/2021] [Accepted: 08/17/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Incidence of blood transfusions after primary and revision total hip and knee arthroplasty (primary total hip arthroplasty [pTHA], revision THA [rTHA], primary total knee arthroplasty [pTKA], and revision TKA [rTKA]) has been decreasing for a multitude of reasons. The purpose of this study was to assess whether transfusion rates have continued to decline and evaluate patient factors associated with transfusions. METHODS The American College of Surgeons National Surgical Quality Improvement Program was queried to identify patients undergoing pTHA, pTKA, rTHA, and rTKA between 2011 and 2019. Patients undergoing bilateral procedures and arthroplasty for fracture, infection, or tumor were excluded. Trends in blood transfusions were assessed. Patient factor association with blood transfusions was evaluated using 2018 and 2019 data. RESULTS Transfusion rates decreased from 21.4% in 2011 to 2.5% in 2019 for pTHA (P < .0001). For pTKA, transfusion rates declined from 17.6% to 0.7% (P < .0001). In rTHA, the transfusion rate decreased from 33.5% to 12.0% from 2011 to 2019 (P < .0001). Transfusion rates declined from 19.4% to 2.6% for rTKA during the study period (P < .0001). Transfusions were more frequent in patients who were older, female, with more comorbidities, with lower hematocrit, receiving nonspinal anesthesia, and with longer operative time. Lower preoperative hematocrit, history of bleeding disorders, and preoperative transfusion were associated with greater odds for postoperative transfusion after multivariate analysis. CONCLUSION Transfusions after both primary and revision total joint arthroplasty have continued to decrease. Studies of arthroplasty complications should account for decreasing transfusions when assessing overall complication rates. Future studies should consider interventions to further reduce transfusions in revision arthroplasty.
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Affiliation(s)
- David E DeMik
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | | | - Natalie A Glass
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - Timothy S Brown
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - John J Callaghan
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - Nicholas A Bedard
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
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Effects of Pre-Donated Autologous Blood Transfusion on Peri-Operative Hemoglobin Concentration and Mid-Term Health Outcomes in Primary Total Knee Arthroplasty. J Clin Med 2022; 11:jcm11082252. [PMID: 35456344 PMCID: PMC9028421 DOI: 10.3390/jcm11082252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 01/28/2023] Open
Abstract
The effects of auto-BT in primary TKA on the perioperative hemoglobin (Hb) concentration and mid-term health outcomes are unknown. This study was performed to analyze the detailed changes in the perioperative Hb concentration before and after the operation (days 0–14 postoperatively), cardiovascular events, and mortality rate within 1 and 5 years postoperatively. One hundred patients undergoing primary TKA with auto-BT using 800 mL of preoperatively collected blood at the authors’ institution were included. The mean Hb concentration before and after autologous blood collection was 12.7 ± 1.1 and 11.7 ± 1.2 g/dL, respectively. After primary TKA with auto-BT, the mean Hb concentration on day 0, 1, 3, 7, and 14 was 10.2 ± 1.2, 9.9 ± 1.2, 10.4 ± 1.3, 10.5 ± 1.3, and 11.0 ± 1.3 g/dL, respectively. Only one (1%) patient required additional allogenic blood transfusion. No patients developed cardiovascular events, and the 1- and 5-year postoperative mortality rate was 1.0% and 2.0%, respectively. Primary TKA with auto-BT showed relatively small perioperative changes in the Hb concentration, a low incidence of cardiovascular events, and a low mortality rate within 1 and 5 years postoperatively. These findings suggest that auto-BT, in which blood is preoperatively collected, is beneficial for patient safety and health, even if its cost-effectiveness may be debatable.
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Hanreich C, Cushner F, Krell E, Gausden E, Cororaton A, Gonzalez Della Valle A, Boettner F. Blood Management Following Total Joint Arthroplasty in an Aging Population: Can We Do Better? J Arthroplasty 2022; 37:642-651. [PMID: 34920121 DOI: 10.1016/j.arth.2021.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/29/2021] [Accepted: 12/07/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND To evaluate the transfusion rates for octogenarians and nonagenarians following total knee and hip arthroplasty (TKA, THA), we compared transfusion rates and associated risk factors among sexagenarians, septuagenarians, octogenarians, and nonagenarians. METHODS This retrospective cohort study included 13,603 sexagenarians, 9796 septuagenarians, 2706 octogenarians, and 158 nonagenarians that received a primary, unilateral THA or TKA between 2016 and 2020 at a high-volume institution. Using multivariable logistic regression analysis, the study analyzed risk factors for postoperative transfusions including use of tranexamic acid (TXA) and compared preoperative and postoperative hemoglobin (Hgb) levels and the drop in Hgb. RESULTS Nonagenarians had significantly higher transfusion rates (THA 25.5%, TKA 26.7%) than octogenarians (THA 9.9%, TKA 9.2%), septuagenarians (THA 3.3%, TKA 4.5%), and sexagenarians (THA 1.9%, TKA 2.9%) (P < .01). Significant risk factors for transfusion requirement following THA were American Society of Anesthesiologists level III (odds ratio [OR] 5.3, P < .01) and American Society of Anesthesiologists level IV (OR 8.0, P = .01), nonuse of TXA (intravenous: OR 0.3, P < .01; topical: OR 0.5, P < .01), lower preoperative Hgb levels (OR 0.4, P < .01), longer duration of surgery (OR 1.0, P < .01), and hepatopathy (OR 3.1, P < .01). Significant risk factors following TKA were nonuse of TXA (intravenous: OR 0.3, P < .01; topical: OR 0.5, P < .01; combined: OR 0.2, P < .01), lower preoperative Hgb levels (OR 0.4, P < .01), and longer surgery time (OR 1.0, P < .01). CONCLUSION The strongest independent risk factors for increased transfusion rates among octogenarians and nonagenarians were lack of TXA application and lower preoperative Hgb levels. Routine TXA application and preoperative patient optimization are recommended to reduce transfusion rates in patients aged 80+.
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Affiliation(s)
- Carola Hanreich
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Fred Cushner
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Ethan Krell
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Elizabeth Gausden
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Agnes Cororaton
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY; Biostatistics Core, Hospital for Special Surgery, New York, NY
| | | | - Friedrich Boettner
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
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20
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DeMik DE, Carender CN, Glass NA, Noiseux NO, Brown TS, Bedard NA. Are Morbidly Obese Patients Equally Benefitting From Care Improvements in Total Hip Arthroplasty? J Arthroplasty 2022; 37:524-529.e1. [PMID: 34883253 DOI: 10.1016/j.arth.2021.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/14/2021] [Accepted: 11/30/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Morbidly obese patients have increased rates of complications following primary total hip arthroplasty (THA) and it is not clear whether improvements in THA care pathways are equally benefitting these patients. The purpose of this study is to assess if reductions in complications have similarly improved for both morbidly obese and non-morbidly obese patients after THA. METHODS Patients undergoing primary THA between 2011 and 2019 were identified in the American College of Surgeons National Surgical Quality Improvement Program database. Patients were stratified by body mass index (BMI) <40 and ≥40 kg/m2. Thirty-day rates of infectious complications, readmissions, reoperation, and any complication were assessed. Trends in complications were compared utilizing odds ratios and multivariate analyses. RESULTS In total, 234,334 patients underwent THA and 16,979 (7.8%) had BMI ≥40 kg/m2. Patients with BMI ≥40 kg/m2 were at significantly higher odds for readmission, reoperation, and infectious complications. Odds for any complication were lower for morbidly obese patients in 2011, not different from 2012 to 2014, and higher from 2015 to 2019 compared to lower BMI patients. Odds for any non-transfusion complication were higher for morbidly obese patients and there was no improvement for either group over the study period. There were improvements in rates of readmission and reoperation for patients with BMI <40 kg/m2 and readmission for BMI >40 kg/m2. CONCLUSION Odds for readmission and reoperation for non-morbidly obese patients and readmission for morbidly obese patients improved from 2011 to 2019. Reductions in transfusions are largely responsible for improvements in overall complication rates. Although morbidly obese patients remain at higher risk for complications, there does not appear to be a growing disparity in outcomes between morbidly obese and non-morbidly obese patients.
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Affiliation(s)
- David E DeMik
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | | | - Natalie A Glass
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - Nicolas O Noiseux
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - Timothy S Brown
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
| | - Nicholas A Bedard
- Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA
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21
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Jeschke E, Citak M, Halder AM, Heller KD, Niethard FU, Schräder P, Zacher J, Leicht H, Malzahn J, Günster C, Gehrke T. Blood transfusion and venous thromboembolism trends and risk factors in primary and aseptic revision total hip and knee arthroplasties: A nationwide investigation of 736,061 cases. Orthop Traumatol Surg Res 2022; 108:102987. [PMID: 34144253 DOI: 10.1016/j.otsr.2021.102987] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Over the last years, new transfusion guidelines and pharmaceuticals have been introduced in primary and revision total hip and knee arthroplasty (P-THA, P-TKA, R-THA, R-TKA). In the US, a substantial decrease in transfusions has been observed in recent years. Little data exists on the subject in Europe. In this context we aimed to analyze: (1) Is there also a significant decrease in blood transfusion for these procedures in Germany? (2) Which patient and hospital related factors are associated with the risk of blood transfusion? (3) Is there a trend in complications, especially venous thromboembolism and stroke events that can be linked to tranexamic acid use? HYPOTHESIS There is a significant trend in decreasing blood transfusions in hip and knee arthroplasty. METHODS Using nationwide healthcare insurance data for inpatient hospital treatment, 736,061 cases treated between January 2011 and December 2017 were included (318,997 P-THAs, 43,780 R-THAs, 338,641 P-TKAs, 34,643 R-TKAs). Multivariable logistic regression was used to model the odds of transfusion as a function of the year of surgery. Adjusted odds ratios (OR) and 95% confidence intervals (CI) were calculated. RESULTS In each cohort the odds of transfusion decreased over time (2017 vs. 2011 (reference): P-THA: OR 0.42 (95%CI: 0.39-0.45), P-TKA: OR 0.41 (95%CI: 0.37-0.46), R-THA: OR 0.52 (95%CI: 0.47-0.58), R-TKA: OR 0.53 (95%CI: 0.46-0.61). Patient-related risk factors for blood transfusion included older age, female gender, lower Body Mass Index, comorbidities such as renal failure, cardiac arrhythmia, congestive heart failure, valvular disease, coagulopathy, depression, and antithrombotic medication prior to surgery. Venous thromboembolism or stroke events did not increase over the study period. DISCUSSION The incidence of blood transfusions in primary and revision TKA and THA decreased over the study period. This may be due to new transfusion guidelines and the introduction of novel pharmaceuticals such as tranexamic acid. A further improved patient blood management and a focus on vulnerable patient groups might lead to a further future reduction of transfusions, especially in R-THA. LEVEL OF EVIDENCE III; comparative observational study.
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Affiliation(s)
- Elke Jeschke
- Research Institute of the Local Health Care Funds, Rosenthaler Straße 31, 10178 Berlin, Germany.
| | - Mustafa Citak
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Holstenstraße 2, 22767 Hamburg, Germany
| | - Andreas M Halder
- Department of Orthopaedic Surgery, Sana Kliniken Sommerfeld, Waldhausstraße 44, 16766 Sommerfeld/Kremmen, Germany
| | - Karl-Dieter Heller
- Department of Orthopaedic Surgery, Herzogin Elisabeth Hospital, Leipziger Straße 24, 38124 Braunschweig, Germany
| | - Fritz U Niethard
- German Society of Orthopedics and Orthopedic Surgery, Straße des 17. Juni 106-108, 10623 Berlin, Germany
| | - Peter Schräder
- Department of Orthopaedic Surgery, Kreisklinik Jugenheim, Hauptstraße 30, 64342 Seeheim-Jugenheim, Germany
| | - Josef Zacher
- Department of Orthopaedic Surgery, Kreisklinik Jugenheim, Hauptstraße 30, 64342 Seeheim-Jugenheim, Germany
| | - Hanna Leicht
- Helios Kliniken GmbH, Friedrichstrasse 136, 10117 Berlin, Germany
| | - Jürgen Malzahn
- Federal Association of the Local Health Care Funds, Rosenthaler Straße 31, 10178 Berlin, Germany
| | - Christian Günster
- Research Institute of the Local Health Care Funds, Rosenthaler Straße 31, 10178 Berlin, Germany
| | - Thorsten Gehrke
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Holstenstraße 2, 22767 Hamburg, Germany
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22
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Nuñez JH, Mora L, Carbonell C, Barro V, Casaccia M, Pérez M, Minguell J. Is routine blood typing and screening necessary before primary total hip or knee arthroplasty in the 21st century? Transfusion 2022; 62:316-323. [PMID: 35044714 DOI: 10.1111/trf.16796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 11/18/2021] [Accepted: 12/09/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Blood loss warranting transfusion is a relatively rare complication of major-joint arthroplasty procedures like total knee arthroplasty (TKA) and total hip arthroplasty (THA). Despite this rarity, pre-transfusion testing (blood typing, screening, and cross-matching) has become routine. We sought to determine if such routine testing is necessary for patients who undergo a primary TKA or THA by (1) measuring the current rate of intraoperative transfusions in primary TKA and THA patients, (2) identifying risk factors for transfusions, and (3) calculating the costs of such blood typing and screening. STUDY METHODS We retrospectively examined the records of 992 patients who underwent primary TKA, THA, or unicompartmental knee arthroplasty (UKA) to identify patients requiring intra-operative or in-hospital postoperative transfusions. Demographic and baseline clinical and laboratory data also were collected and analyzed to identify predictors of transfusion. Cost analysis was performed. RESULTS The rate of intraoperative transfusion was 1.7% (17/992 patients), with rates of 2.1%, 1.6%, and 0% for TKA, THA, and UKA respectively. The in-hospital transfusion rate was 10.3%, with corresponding postoperative transfusion rates of 9.1%, 12.9%, and 2%. The only baseline variable significantly linked to transfusions on multivariable analysis was preoperative hemoglobin level, with preoperative Hgb <12 g/dl predictive of transfusions in both TKA (p = .02) and THA (p = .024) patients. DISCUSSION Our study suggests that pre-transfusion testing for all patients undergoing primary UKA, TKA or THA is unnecessary. We recommend reserving routine pre-transfusion testing for patients with preoperative hemoglobin levels below 12 g/dl.
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Affiliation(s)
- Jorge H Nuñez
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Commission for the Use of Blood and Blood Products, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Lidia Mora
- Commission for the Use of Blood and Blood Products, University Hospital of Vall d'Hebron, Barcelona, Spain.,Department of Anesthesiology, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Carla Carbonell
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Víctor Barro
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Marcelo Casaccia
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Marta Pérez
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
| | - Joan Minguell
- Department of Traumatology and Orthopaedic Surgery, University Hospital of Vall d'Hebron, Barcelona, Spain.,Universidad Autónoma de Barcelona, University Hospital of Vall d'Hebron, Barcelona, Spain
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23
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Tibbo ME, Brown TS, Hanssen AD, Lewallen DG, Sim FH, Abdel MP. Primary and revision total hip arthroplasty with uncemented acetabular components in patients with Paget's disease. Hip Int 2022; 32:67-72. [PMID: 32340487 DOI: 10.1177/1120700020920178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Paget's disease affects 3-4% of the population; however, literature describing outcomes of total hip arthroplasty (THA) in this population are limited. Given the known concerns with bleeding, heterotopic ossification (HO), and component loosening, we describe our results with primary and revision THAs in Paget's disease with emphasis on implant survivorship, radiographic results, and clinical outcomes. METHODS We identified 25 THAs performed with contemporary uncemented acetabular components in patients with Paget's disease from 1999 to 2014. Mean age and follow-up were 78 and 7 years. RESULTS In primary THAs, survivorship free from aseptic acetabular and femoral loosening was 100% and 94% at 8 years. 7 patients (41%) received blood transfusions. HO was seen in 9 (53%). Mean Harris Hip Score (HHS) improved from 49 to 76. In revision THAs, survivorship free from acetabular and/or femoral aseptic loosening was 100% at 5 years. 3 patients (38%) received a transfusion. HO was seen in 5 (63%). Mean HHS improved from 52 to 77. There were no radiographic signs of aseptic loosening among unrevised cases in either group. DISCUSSION Our investigation demonstrates that concerns with acetabular fixation in Paget's disease have been mitigated with contemporary uncemented acetabular components. Complications previously noted, namely intraoperative bleeding and HO, continue to be of concern.
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Affiliation(s)
- Meagan E Tibbo
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA
| | | | - Arlen D Hanssen
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - David G Lewallen
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Franklin H Sim
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Matthew P Abdel
- Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA
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24
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Moore HG, Schneble CA, Kahan JB, Polkowski GG, Rubin LE, Grauer JN. Total Joint Arthroplasty in Patients With Achondroplasia: Comparison of 90-Day Adverse Events and 5-Year Implant Survival. Arthroplast Today 2021; 11:151-156. [PMID: 34584919 PMCID: PMC8452593 DOI: 10.1016/j.artd.2021.08.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 08/20/2021] [Indexed: 11/18/2022] Open
Abstract
Background Achondroplasia is the most common skeletal dysplasia, and total joint arthroplasty of the hip and/or knee in this patient population may present unique challenges. Methods All patients undergoing primary total hip or total knee arthroplasty (THA or TKA) for osteoarthritis in the 2010-2019 PearlDiver Mariner administrative database with least 90 days of postoperative follow-up were identified. Those with achondroplasia were matched 1:10 to patients without achondroplasia based on age, sex, and medical comorbidities. Ninety-day adverse events were assessed and compared using multivariate logistic regression. Five-year implant survival was determined and compared with Kaplan-Meier implant survival curves. Significance was set at P < .05. Results For THA, 150 patients with achondroplasia were matched to 1484 patients without and had significantly higher 90 days odds of surgical site infection (odds ratio [OR] = 3.49, P = .005) and readmission (OR = 2.35, P = .016). For TKA, 285 patients with achondroplasia were matched to 2828 without and had higher odds of aggregated any adverse event (OR = 1.52, P = .006) and transfusion (OR = 2.31, P < .001). Rates of the other studied adverse events were not significant for either set of the analyses. At 5 years, implant survival for those with and without achondroplasia was not different for those undergoing THA (P = .321) or TKA (P = .910). Conclusions The present study represents the largest cohort of patients with achondroplasia undergoing total joint arthroplasty to date. Although several short-term adverse events had greater odds for those with achondroplasia, 5-year survival was not different for those with or without achondroplasia after THA or TKA, supporting confidence in longer term implant success.
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Affiliation(s)
| | | | - Joseph B. Kahan
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT, USA
| | - Gregory G. Polkowski
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Lee E. Rubin
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT, USA
| | - Jonathan N. Grauer
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT, USA
- Corresponding author. Department of Orthopaedics and Rehabilitation Yale School of Medicine 47 College Street, New Haven, CT 06511 Tel: 203-737-7463.
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25
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Wang Y, Xie J, Pei F. Plasma D-dimer and FDP are promising biomarkers to predict perioperative fibrinolysis and bleeding following primary total joint arthroplasty: A STROBE compliant article. Medicine (Baltimore) 2021; 100:e26058. [PMID: 34011123 PMCID: PMC8136990 DOI: 10.1097/md.0000000000026058] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 04/30/2021] [Indexed: 02/05/2023] Open
Abstract
Perioperative bleeding is associated with postoperative hyperfibrinolysis caused by surgical trauma in the setting of total hip and knee arthroplasty (THA/ TKA). The study aimed to clarify the dynamics of postoperative fibrinolytic activity and the values of fibrin degeneration products and thromboelastography (TEG) to guide precisive antifibrinolytic therapy.Forty three patients undergoing primary unilateral THAs and 40 TKAs were included to the prospective observational cohort study. Venous blood sample at different time points (preoperative, intraoperative, postoperative 6 hours, 12 hours, 24 hours, 48 hours) were drawn to test D-dimer, fibrin (-ogen) degradation products (FDP) and TEG.The TEG parameters associated with coagulation (R, K, α, MA, and CI) and fibrinolysis (estimate percent lysis and Ly30) were all in normal range although had a higher level than preoperative time (P < .05). The postoperative levels of D-dimer and FDP were higher than preoperative level (P < .05). The dynamics of D-dimer and FDP presented a bimodal pattern, which peaked at 6 hours postoperatively, then remained and decreased until 24 hours, but would rebound at 48 hours postoperatively with smaller amplitude. Moreover, FDP6h (P = .028), D-Dimer6h (P = .044), FDP12h (P = .009), D-dimer12h (P = .007), and FDP48h (P = .016) were all correlated with total blood loss on POD3.FDP and D-dimer were effective and practical markers for prediction of acute postoperative fibrinolytic activity, which peaked at 6 hours after end of surgery and would maintain for at least 24 hours.
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Affiliation(s)
- Yan Wang
- Core Facility of West China Hospital
| | - Jinwei Xie
- Department of Orthopaedic Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People's Republic of China
| | - Fuxing Pei
- Department of Orthopaedic Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People's Republic of China
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26
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Kang BX, Xu H, Gao CX, Zhong S, Zhang J, Xie J, Sun ST, Ma YH, Xu XR, Zhao C, Zhai WT, Xiao LB, Gao XJ. Multiple intravenous tranexamic acid doses in total knee arthroplasty in patients with rheumatoid arthritis: a randomized controlled study. BMC Musculoskelet Disord 2021; 22:425. [PMID: 33962594 PMCID: PMC8105956 DOI: 10.1186/s12891-021-04307-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
Background We aimed to determine the efficacy and safety of multiple doses of intravenous tranexamic acid (IV-TXA) on perioperative blood loss in patients with rheumatoid arthritis (RA) who had undergone primary unilateral total knee arthroplasty (TKA). Methods For this single-center, single-blind randomized controlled clinical trial, 10 male and 87 female participants with RA, aged 50–75 years, who underwent unilateral primary TKA were recruited. The patients received one dose of 1 g IV-TXA 10 min before skin incision, followed by articular injection of 1.5 g tranexamic acid after cavity suture during the surgery. The patients were randomly assigned (1:1) into two groups and received an additional single dose of IV-TXA (1 g) for 3 h (group A) or three doses of IV-TXA (1 g) for 3, 6, and 12 h (group B) postoperatively. Primary outcomes were total blood loss (TBL), hidden blood loss (HBL), and maximum hemoglobin (Hb) level decrease. Secondary outcomes were transfusion rate and D-dimer levels. All parameters were measured postoperatively during inpatient hospital stay. Results The mean TBL, HBL, and maximum Hb level decrease in group B (506.1 ± 227.0 mL, 471.6 ± 224.0 mL, and 17.5 ± 7.7 g/L, respectively) were significantly lower than those in group A (608.8 ± 244.8 mL, P = 0.035; 574.0 ± 242.3 mL, P = 0.033; and 23.42 ± 9.2 g/L, P = 0.001, respectively). No episode of transfusion occurred. The D-dimer level was lower in group B than in group A on postoperative day 1 (P < 0.001), and the incidence of thromboembolic events was similar between the groups (P > 0.05). Conclusion In patients with RA, three doses of postoperative IV-TXA further facilitated HBL and Hb level decrease without increasing the incidence of adverse events in a short period after TKA. Trial registration The trial was registered in the Chinese Clinical Trial Registry (ChiCTR1900025013).
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Affiliation(s)
- Bing-Xin Kang
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Hui Xu
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Chen-Xin Gao
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Sheng Zhong
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Jing Zhang
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Jun Xie
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Song-Tao Sun
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Ying-Hui Ma
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Xi-Rui Xu
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Chi Zhao
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Wei-Tao Zhai
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China
| | - Lian-Bo Xiao
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China. .,Arthritis Institute of Integrated Traditional Chinese and Western Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200052, CN, China.
| | - Xiao-Jun Gao
- Shanghai University of Traditional Chinese Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 200052, CN, China.
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27
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Factors Associated With Perioperative Transfusion in Lower Extremity Revision Arthroplasty Under a Restrictive Blood Management Protocol. J Am Acad Orthop Surg 2021; 29:e404-e409. [PMID: 32852330 DOI: 10.5435/jaaos-d-20-00185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 07/18/2020] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Approximately 37% of patients undergoing lower extremity revision total joint arthroplasty (TJA) receive allogeneic blood transfusions (ABTs), which are associated with increased risk of morbidity and death. It is important to identify patient factors associated with needing ABT because the health of higher-risk patients can be optimized preoperatively and their need for ABT can be minimized. Our goal was to identify the patient and surgical factors independently associated with perioperative ABT in revision TJA. METHODS We included all 251 lower extremity revision TJA cases performed at our academic tertiary care center from January 1, 2016, to December 31, 2018. We assessed the following factors for associations with perioperative ABT: patient age, sex, race, body mass index, preoperative hemoglobin level, and infection status (ie, infection as indication for revision TJA); use of vasopressors, tranexamic acid (TXA), surgical drains, tourniquets, and intraoperative cell salvage; and procedure type (hip versus knee), procedure complexity (according to the number of components revised), and surgical time. Multivariable regression was used to identify factors independently associated with perioperative ABT. RESULTS The following characteristics were independently associated with greater odds of perioperative ABT: preoperative hemoglobin level (odds ratio [OR], 1.8; 95% confidence interval [CI], 1.5 to 2.2), infectious indication for revision (OR, 3.6; 95% CI, 1.3 to 9.7), and procedure complexity. TXA use was a negative predictor of ABT (OR, 0.47; 95% CI, 0.23 to 0.98). Compared with polyethylene liner exchanges, single-component revisions (OR, 14; 95% CI, 3.6 to 56) and dual-component revisions (OR, 7.8; 95% CI, 2.3 to 26) were associated with greater odds of ABT. DISCUSSION Patients with preoperative anemia, those undergoing revision TJA because of infection, those who did not receive TXA, and those undergoing more complex TJA procedures may have greater odds of requiring ABT. We recommend preoperative optimization of the health of these patients to reduce the need for ABT. LEVEL OF EVIDENCE Level III, prognostic study.
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28
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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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29
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Di Martino A, Coppola MAR, Bordini B, Stefanini N, Geraci G, Pilla F, Traina F, Faldini C. Clinical and radiological outcomes of total hip arthroplasty in patients affected by Paget's disease: a combined registry and single-institution retrospective observational study. J Orthop Traumatol 2021; 22:13. [PMID: 33733386 PMCID: PMC7969678 DOI: 10.1186/s10195-021-00574-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 02/23/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Total hip arthroplasty (THA) in patients with Paget's disease can be associated with technical difficulties related to deformities and altered mechanical bone properties, and hypervascularity leads to significative intra-operative bleeding. The purpose of this registry and single-institution study was to investigate overall survival and causes of failure of THA in pagetic patients, together with an analysis of the clinical and radiological complications. MATERIAL AND METHODS Registry-based survival and complication analysis, type of fixation, intra- and post-operative complications, clinical (pharmacological history, blood transfusions, Harris hip score [HHS]) and radiographic (cup orientation, stem axial alignment, osteolysis around the cup and the stem and heterotopic ossification [HO]) data were reviewed. RESULTS In total, 66 patients (27 males and 39 females, mean age at surgery 71.1 years for males and 74.8 years for female) from the registry study presented a 10-year survival of 89.5%. In the institutional study, involving 26 patients (14 males and 12 females, 69 years average) and 29 THAs, hip function improved significantly. Average cup orientation was 40.5°, while varus stem alignment was 13.8%. In total, 52% of hips had heterotopic ossifications. Peri-acetabular osteolysis was in 13.8% of implants and in 45% of hips was found around the stem. Allogenic and autologous blood transfusion rate were 68.2% and 31.8%, respectively, with an average transfusion of 2 units of blood (range 1-6 units). HHS improved by an average of 34 points, with excellent result in 64.3% of patients. Two implants failed, one due to traumatic ceramic head fracture 64 months after surgery, and one due to mobilization of the cup on the second post-operative day. CONCLUSION THA surgery in Paget's patients is a safe procedure, and implant survival is only partly affected by bone remodelling and choice of fixation. The post-operative functional outcome is largely similar to that of other patients. Bleeding-related complications are the main complications; a careful pharmacological strategy should be recommended to decrease the risk of transfusions and of HO development. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Alberto Di Martino
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy.
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy.
| | | | - Barbara Bordini
- Laboratorio Di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano, 1/10, 40136, Bologna, Italy
| | - Niccolò Stefanini
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy
| | - Giuseppe Geraci
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy
| | - Federico Pilla
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy
| | - Francesco Traina
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
- Orthopaedic-Traumatology and Prosthetic Surgery and Revisions of Hip and Knee Implants, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy
- University of Messina, Messina, Italy
| | - Cesare Faldini
- 1st Orthopaedic and Traumatologic Clinic, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli, 1, 40136, Bologna, Italy
- Department of Biomedical and Neuromotor Science-DIBINEM, University of Bologna, Bologna, Italy
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30
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Mottla JL, Murphy JP, Keeling LE, Verstraete R, Zawadsky MW. Role of arthroplasty in the Jehovah's Witness population. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 31:1097-1104. [PMID: 33389053 DOI: 10.1007/s00590-020-02852-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/14/2020] [Indexed: 01/24/2023]
Abstract
BACKGROUND Total joint arthroplasties aim to improve quality of life from joint-related pain. Jehovah's Witnesses refuse blood products due to their religious beliefs. Surgeons may be reluctant to perform arthroplasty procedures on these patients for fear of uncontrolled bleeding. However, we hypothesize that through preoperative optimization, arthroplasty can be performed safely. METHODS We retrospectively reviewed 184 total joint arthroplasties in Jehovah's Witnesses between 2011 and 2019. Each patient was enrolled in the institutions' Bloodless Medicine program. Hemoglobin levels were recorded through standard laboratory testing while in the hospital. Primary outcomes were changes in preoperative and postoperative hemoglobin measures, short-term outcomes measures, and complications. RESULTS A total of 103 total knee arthroplasties (8 revisions) and 81 total hip arthroplasties (5 revisions) were performed. Hemoglobin drift was 2.5 ± 1.0 for primary TKA and 2.6 ± 1.3 for primary THA (p = 0.570). Hemoglobin drift was 1.9 ± 0.9 for revision TKA and 1.9 ± 0.2 for revision THA (p = 0.990). Only 2.7% of patients met the transfusion requirement of 7 g/dL. The major complication rate for the cohort was 1.6% systemic and 4.9% local, respectively, with no mortalities. The overall readmission rate was 2.7%. CONCLUSION To our knowledge, this is the largest reported sample of Jehovah's Witness patients undergoing total joint arthroplasty. Postoperative hemoglobin values did not prompt additional intervention in the overwhelming majority of patients, and complication rates were acceptable. Our data suggest that primary arthroplasty is safe in the Jehovah's Witness population. Additionally, we show preliminary evidence that revision arthroplasty is safe in Jehovah's Witness patients.
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Affiliation(s)
- Jay L Mottla
- Department of Orthopaedic Surgery, MedStar Georgetown University Hospital, 3800 Reservoir Rd NW, Washington, DC, 20007, USA.
| | - Jordan P Murphy
- Georgetown University School of Medicine, Washington, DC, USA
| | - Laura E Keeling
- Department of Orthopaedic Surgery, MedStar Georgetown University Hospital, 3800 Reservoir Rd NW, Washington, DC, 20007, USA
| | - Richard Verstraete
- Department of Bloodless Medicine, MedStar Georgetown University Hospital, Washington, DC, USA
| | - Mark W Zawadsky
- Department of Orthopaedic Surgery, MedStar Georgetown University Hospital, 3800 Reservoir Rd NW, Washington, DC, 20007, USA
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Vrontis K, Tsinaslanidis G, Drosos GI, Tzatzairis T. Perioperative Blood Management Strategies for Patients Undergoing Total Hip Arthroplasty: Where Do We Currently Stand on This Matter? THE ARCHIVES OF BONE AND JOINT SURGERY 2020; 8:646-655. [PMID: 33313343 DOI: 10.22038/abjs.2020.45651.2249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Total hip replacement (THR) has proved to be a reliable treatment for the end stage of hip osteoarthritis. It is a common orthopaedic procedure with excellent results, but is associated with significant blood loss and high rates of allogeneic blood transfusion (ABT). The potential complications and adverse events after ABT, combined with the ongoing research, have resulted in multimodel, multidisciplinary blood management strategies adoption, aiming to reduce the blood loss and transfusion rates. Many reviews and meta-analyses have tried to demonstrate the best blood management strategies. The purpose of this study is to review any evidence-based blood conserving technique, dividing them in three stages: preoperative, intraoperative and postoperative.
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Affiliation(s)
| | | | - Georgios I Drosos
- Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Dragana, Greece
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Kang BX, Li YL, Xu H, Gao CX, Zhong S, Zhang J, Xie J, Sun ST, Xu XR, Zhao C, Ma YH, Zhai WT, Xiao LB, Hu XX. Effect of Multiple Doses of Intravenous Tranexamic Acid on Perioperative Blood Loss in Total Knee Arthroplasty: A Randomized Controlled Study. Orthop Surg 2020; 13:126-133. [PMID: 33295133 PMCID: PMC7862185 DOI: 10.1111/os.12850] [Citation(s) in RCA: 9] [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: 07/02/2020] [Revised: 09/08/2020] [Accepted: 10/01/2020] [Indexed: 01/28/2023] Open
Abstract
Objective To identify the efficacy and safety of multiple doses of intravenous tranexamic acid (IV‐TXA) following primary total knee arthroplasty (TKA) with a tourniquet. Methods This is a single‐blind randomized controlled study that recruited osteoarthritis patients who had undergone primary unilateral TKA from May 2019 to May 2020 at our medical center. A total of 300 patients were randomly divided into three groups to receive: one dose (1 g) of IV‐TXA before skin incision combined with one dose (1.5 g) of intra‐articular tranexamic acid(IA‐TXA) followed by a single dose of IV‐TXA (1 g) for 3 h (group A); two doses of IV‐TXA (1 g) for 3 and 6 h (group B); or three doses of IV‐TXA (1 g) for 3, 6, and 12 h (group C) postoperatively. TKA with a tourniquet was performed by the same surgical team. The primary outcomes were total blood cell loss (TBL), hidden blood loss (HBL), maximum hemoglobin (Hb) drop, and transfusion rate. Secondary outcomes were levels of C‐reactive protein (CRP) and D‐dimer, and the incidence of postoperative complications. One‐way analysis of variance, subgroup analysis, and multivariate correlation analysis were used to calculate the differences among the three groups. Results The study included 56 male and 244 female patients aged 60–80 years. The mean TBL, the mean HBL, and the maximum Hb drop in group C (471.2 ± 190.6 mL, 428.4 ± 190.3 mL, and 21.2 ± 3.8 g/L, respectively) were significantly lower than those in groups B (563.4 ± 224.6 mL, P = 0.030; 519.9 ± 226.4 mL, P = 0.033; and 23.2 ± 4.1 g/L, P = 0.001, respectively), and A (651.6 ± 254.1 mL, P < 0.001; 607.1 ± 254.3 mL, P < 0.001; and 25.1 ± 4.3 g/L, P < 0.001, respectively). No transfusions were required. The postoperative acute inflammatory reaction was less problematic for patients in Group C, and the incidence of thromboembolic events was similar among the groups (P > 0.05). In addition, there were positive correlations between the HBL and the tourniquet inflation time (r = 0.844, P < 0.001). Similarly, the level of CRP on POD1 (r = 0.393, P < 0.001) and POD3 (r = 0.149, P = 0.010), and the level of D‐dimer on POD1 (r = 0.382, P < 0.001) were positively correlated with the HBL. Conclusion Three doses of postoperative IV‐TXA decreased blood loss and diminished the postoperative inflammatory and fibrinolytic response more than a single dose or two doses in elderly patients following TKA without increasing the incidence of adverse events.
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Affiliation(s)
- Bing-Xin Kang
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China.,Department of Affiliated Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yu-Lin Li
- Department of Affiliated Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hui Xu
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China.,Department of Affiliated Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen-Xin Gao
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Sheng Zhong
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Jing Zhang
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Jun Xie
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Song-Tao Sun
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Xi-Rui Xu
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Chi Zhao
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China.,Department of Affiliated Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ying-Hui Ma
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Wei-Tao Zhai
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Lian-Bo Xiao
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China.,Arthritis Institute of Integrated Traditional Chinese and Western Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao-Xue Hu
- Department of Orthopaedics, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
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Huerfano E, Huerfano M, Shanaghan K, Barlow M, Memtsoudis S, Gonzalez Della Valle A. Use of Topical Tranexamic Acid Reduces Direct and Indirect Blood Loss and Transfusion Rates in Revision Total Hip Arthroplasty. HSS J 2020; 16:285-292. [PMID: 33380958 PMCID: PMC7749894 DOI: 10.1007/s11420-019-09718-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 08/13/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND In primary total hip arthroplasty (THA), evidence supports the use of tranexamic acid (TXA) as an effective strategy for reducing blood loss, but scant evidence supports its use in revision THA. QUESTIONS/PURPOSES We aimed to evaluate whether the use of topical TXA in revision THA is associated with less blood loss and lower transfusion rates and to assess its safety, specifically as it relates to thromboembolic complications. METHODS In this retrospective comparative study, two groups who underwent revision THA between 2005 and 2017 were defined: 98 patients who received 3 g of topical TXA (study group) and 475 patients who did not receive TXA (control group). Subjects were divided into subgroups according to the type of revision. Hemoglobin and hematocrit levels, blood loss, and transfusions were recorded. The follow-up period was 6 weeks. RESULTS Median estimated blood loss, hidden blood loss, hemoglobin drop, and transfusion rates were significantly lower in the study group. The rates of post-operative thromboembolism were similar in the two groups. According to subgroup analysis, patients with revision of the femoral component, both components, and staged exchange revisions showed significantly lower rates of transfusion. CONCLUSION Topical TXA administration during revision THA effectively reduced direct and indirect blood loss, including hidden losses, without increasing the rates of thromboembolic events. This effect appeared to be enhanced when the femoral component was revised.
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Affiliation(s)
- Elina Huerfano
- Department of Orthopaedic Surgery, Fundación Cardioinfantil - Instituto de Cardiología, Bogotá, Colombia
| | - Manuel Huerfano
- Department of Nephrology, Hospital Universitario Mayor, Bogotá, Colombia
| | - Kate Shanaghan
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY USA
| | - Maureen Barlow
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY USA
| | - Stavros Memtsoudis
- Department of Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, NY USA
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Christopher ZK, Bruce MR, Reynolds EG, Spangehl MJ, Bingham JS, Kraus MB. Routine Type and Screens Are Unnecessary for Primary Total Hip and Knee Arthroplasties at an Academic Hospital. Arthroplast Today 2020; 6:941-944. [PMID: 33299914 PMCID: PMC7704355 DOI: 10.1016/j.artd.2020.10.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 10/05/2020] [Accepted: 10/17/2020] [Indexed: 11/30/2022] Open
Abstract
Background Despite decreasing transfusion rates, routine type and screens are frequently used before primary total hip arthroplasty (THA) and total knee arthroplasty (TKA). The aims of this study were to characterize transfusion rates and identify any factors that affect the likelihood of transfusion to determine if it is safe to discontinue routine preoperative type and screens at an academic hospital. Methods A retrospective chart review was performed for all patients who underwent primary THA or TKA in 2019 at an academic institution by a fellowship-trained arthroplasty surgeon. Data on preoperative type and screens, transfusion rates, bleeding disorders, and anticoagulation status were obtained. Patients were considered to have a preoperative type and screen if it was performed within 30 days before surgery. Results Overall, 379 patients were included in the study. Of these, 210 underwent primary THA and 169 underwent primary TKA. Four patients received transfusions during their hospitalization for a cumulative transfusion rate of 1.06%. No patients received an intraoperative transfusion. One (0.59%) patient received a postoperative transfusion after TKA, and 3 (1.43%) patients received a postoperative transfusion after THA. The mean preoperative hemoglobin of the 4 transfused patients was 10.8 g/dL. Conclusions In summary, performing a preoperative routine type and screen is likely unnecessary at academic medical centers. Consideration for obtaining a type and screen may include complex primary surgeries or when patients have preoperative hemoglobin of less than 11 g/dL. Ultimately, preoperative type and screen should be considered on a case-by-case basis using clinical judgment.
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Affiliation(s)
| | - Marcus R Bruce
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic Arizona, Phoenix, AZ, USA
| | | | - Mark J Spangehl
- Department of Orthopedic Surgery, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Joshua S Bingham
- Department of Orthopedic Surgery, Mayo Clinic Arizona, Phoenix, AZ, USA
| | - Molly B Kraus
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic Arizona, Phoenix, AZ, USA
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35
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Roberts N, James SL, Delaney M, Fitzmaurice C. Blood transfusion trends by disease category in the United States, 2000 to 2014. Transfus Apher Sci 2020; 60:103012. [PMID: 33309539 DOI: 10.1016/j.transci.2020.103012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 11/09/2020] [Accepted: 11/11/2020] [Indexed: 01/28/2023]
Abstract
BACKGROUND Better understanding of blood usage rates could identify trends in transfusion practices over time and inform more efficient management. METHODS Inpatient admissions from the Healthcare Cost and Utilization Project National Inpatient Sample and State Inpatient Databases were analyzed for packed red blood cell (PRBC), plasma, platelet, and whole blood (WB) transfusions. The transfusion rates per admission and per prevalent case were calculated. Prevalence estimates were from the Global Burden of Disease 2017 study (GBD). RESULTS From 2000 to 2014, blood usage rates for most causes peaked around 2010. Across all causes, PRBC were the most commonly transfused component, followed by plasma, platelets, and WB. However, the relative use of each type varied by cause. Nutritional deficiencies (1.75 blood product units across all components per admission; 95 % uncertainty interval (UI) 1.62-1.87), neoplasms (0.95; 0.87-1.04), and injuries (0.92; 0.86 - 0.98) had the greatest blood use per admission. Cardiovascular diseases (96.9 units per 1000 prevalent cases; 89.3-105.0) and neoplasms (92.7 units per 1000 prevalent cases; 84.3-101.5) had the greatest blood use per prevalent case. Across all admissions, over three million blood units were saved in 2014 compared to 2011 due to transfusing at a reduced rate. CONCLUSIONS Blood transfusion rates decreased from 2011 to 2014 in the United States. This decline occurred in most disease categories, which points towards broad strategies like patient blood management systems and disease specific improvements like changes in surgical techniques being effective.
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Affiliation(s)
- Nicholas Roberts
- Department of Health Metric Sciences, Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, United States.
| | - Spencer L James
- Department of Health Metric Sciences, Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, United States
| | - Meghan Delaney
- Division of Pathology & Laboratory Medicine, Children's National Medical Center, Washington, DC, United States; Departments of Pathology & Pediatrics, George Washington University Medical School, Washington DC, United States
| | - Christina Fitzmaurice
- Department of Health Metric Sciences, Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, United States; Department of Medicine, Division of Hematology, University of Washington, Seattle, WA, United States
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Hefny M, Syed F, Ugwuoke A, Saunders P, Young SK. Clinical outcomes and cost analysis of one- versus two-stage bilateral hip arthroplasty. A retrospective study of a single surgeon experience. JOURNAL OF ORTHOPAEDICS, TRAUMA AND REHABILITATION 2020. [DOI: 10.1177/2210491720971837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Purpose: One in 10 patients presenting for total hip arthroplasty (THA) will have significant osteoarthritis in both hips. In appropriately selected individuals, one-stage bilateral THA is a treatment option. This study aims to compare outcomes of one-stage bilateral THA with two-stage procedure. Methods: A retrospective review of a single surgeon series was conducted comparing One-stage bilateral THA (n = 59) with two-stage bilateral THA (n = 50). The primary outcomes were post-operative complication and the Oxford Hip Score. The secondary outcome was a financial analysis. Results: Complications were infrequent and comparable between both groups. Oxford hip scores were slightly higher in the one-stage group. One-staged bilateral THA had a lower cost but hospital tariff is higher for two-stage bilateral THA. Conclusion: In appropriately selected patients with bilateral hip arthritis, one-stage bilateral THA gives good clinical outcomes. However, the current payment system in the NHS makes two-stage bilateral THA more financially viable to the hospital.
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Affiliation(s)
- M Hefny
- Orthopaedic Department, South Warwickshire NHS Foundation Trust, Warwick, United Kingdom
| | - F Syed
- Orthopaedic Department, South Warwickshire NHS Foundation Trust, Warwick, United Kingdom
| | - A Ugwuoke
- Orthopaedic Department, South Warwickshire NHS Foundation Trust, Warwick, United Kingdom
| | - P Saunders
- Orthopaedic Department, South Warwickshire NHS Foundation Trust, Warwick, United Kingdom
| | - SK Young
- Orthopaedic Department, South Warwickshire NHS Foundation Trust, Warwick, United Kingdom
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Wu XD, Liu JC, Li YJ, Wang JW, Qiu GX, Huang W. The necessity of routine postoperative laboratory tests after total hip arthroplasty for hip fracture in a semi-urgent clinical setting. J Orthop Traumatol 2020; 21:19. [PMID: 33170383 PMCID: PMC7655881 DOI: 10.1186/s10195-020-00559-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/29/2020] [Indexed: 02/07/2023] Open
Abstract
Background Recent studies suggest that routine postoperative laboratory tests are not necessary after primary elective total hip arthroplasty (THA). This study aims to evaluate the utility of routine postoperative laboratory tests in patients undergoing THA for hip fracture in a semi-urgent clinical setting. Materials and methods This retrospective study included 213 consecutive patients who underwent primary unilateral THA for hip fractures. Patient demographics, clinical information, and laboratory tests were obtained from the electronic medical record system. Multivariate logistic regression analysis was performed to identify risk factors associated with abnormal laboratory test-related interventions. Results A total of 207 patients (97.18%) had abnormal postoperative laboratory results, which were mainly due to anemia (190/213, 89.20%) and hypoalbuminemia (154/213, 72.30%). Overall, 54 patients (25.35%) underwent a clinical intervention, 18 patients received blood transfusion, and 42 patients received albumin supplementation. Factors associated with blood transfusion were long operative time and low preoperative hemoglobin levels. Factors associated with albumin supplementation were long operative time and low preoperative albumin levels. Of the 33 patients with abnormal postoperative creatinine levels, 7 patients underwent a clinical intervention. For electrolyte abnormalities, sodium supplementation was not given for hyponatremia, three patients received potassium supplementation, and one patient received calcium supplementation. Conclusions This study demonstrated a high incidence of abnormal postoperative laboratory tests and a significant clinical intervention rate in patients who underwent THA for hip fracture in a semi-urgent clinical setting, which indicates that routine laboratory tests after THA for hip fracture are still necessary for patients with certain risk factors. Level of Evidence Level III. Trial registration Clinical trial registry number ChiCTR1900020690.
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Affiliation(s)
- Xiang-Dong Wu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.,Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Jia-Cheng Liu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Yu-Jian Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Jia-Wei Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Gui-Xing Qiu
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Wei Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
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Chaturvedi R, Burton BN, Gabriel RA. Complication Rates and the Benefits of Neuraxial Anesthesia in the Patient With High Comorbidity Burden Undergoing Primary Total Joint Arthroplasty. J Arthroplasty 2020; 35:3089-3092. [PMID: 32636107 DOI: 10.1016/j.arth.2020.06.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The American Society of Anesthesiologists physical status classification 4 (ASA PS 4) comprises patients with "severe systemic disease that is a constant threat to life." The purpose of this study is to conduct a retrospective analysis to report the rate of complications in the ASA PS 4 patients who undergo elective total joint arthroplasty (TJA). In addition, we report whether neuraxial anesthesia is associated with improved outcomes compared to general anesthesia in these patients. METHODS The American College of Surgeons National Surgical Quality Improvement Program registry was used to extract patient records. The study population included patients aged ≥18 years who underwent TJA from 2014 to 2016 and who were classified as ASA PS 4. To measure differences in outcomes and patient characteristics, we used chi-squared tests. Odds ratios (ORs) and their 95% confidence intervals (CIs) were reported for all covariates. A P value of <.01 was selected. RESULTS Among the patients who were ASA PS 4, 58 (1.4%) experienced 30-day mortality, 349 (8.2%) experienced 30-day readmission, 271 (6.3%) had a postoperative complication, and 504 (11.8%) required a transfusion. Those receiving neuraxial anesthesia compared to general anesthesia had lower odds of 30-day mortality (OR, 0.24; 95% CI, 0.12-0.49; P = .0001) and lower odds of perioperative transfusion (OR, 0.53; 95% CI 0.45-0.65; P < .0001). CONCLUSION The elevated risks for ASA PS 4 patients undergoing TJA may be too high to justify surgery. Neuraxial anesthesia is a reasonable alternative to general anesthesia if pursuing TJA in patients with a very high comorbidity burden.
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Affiliation(s)
- Rahul Chaturvedi
- Department of Anesthesiology, School of Medicine, University of California, San Diego, La Jolla, CA
| | - Brittany N Burton
- Department of Anesthesiology and Perioperative Medicine, University of California, Los Angeles, Los Angeles, CA
| | - Rodney A Gabriel
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA; Division of Biomedical Informatics, University of California, San Diego, La Jolla, CA
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Incidence, Risk Factors, and Nomogram of Transfusion and Associated Complications in Nonfracture Patients following Total Hip Arthroplasty. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2928945. [PMID: 33123567 PMCID: PMC7584933 DOI: 10.1155/2020/2928945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/13/2020] [Accepted: 10/03/2020] [Indexed: 11/17/2022]
Abstract
The incidence, risk factors, and associated complications of perioperative transfusion in nonfracture patients following total hip arthroplasty (THA) are unclear. The aim of the present research was to study the predictors of transfusion risk in nonfracture patients following THA and develop a nomogram. One thousand six hundred and thirty-five patients who underwent THA due to nonfracture disease in our institution between September 2013 and July 2017 were included. Independent predictors of transfusion were identified by univariate, LASSO, and multivariate analyses. A nomogram was established based on independent predictors. In addition, a prospective cohort was used to validate the nomogram. The area under the receiver operating characteristic curve was utilized to evaluate the discrimination of the nomogram. Calibration and decision curve analyses were established to evaluate the nomogram. In addition, the association between perioperative transfusion and 30- and 90-day complications was studied. The incidence of transfusion was 15.78%, and 10 independent predictors were confirmed. The areas under the curve of the nomogram were 0.834 and 0.867 in the training and validation cohorts, respectively. Moreover, the area under the curve of the nomogram was significantly higher than that of any single predictor in both the training and validation cohorts. Calibration curve and decision curve analyses in both the training and validation cohorts showed good performance of the nomogram. In addition, perioperative transfusion was identified as an independent risk factor for both 30- and 90-day complications. Generally, ten transfusion-related factors for nonfracture patients following THA were identified. A validated nomogram was established, and several adverse events were confirmed to be associated with transfusion.
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40
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Ye W, Liu Y, Liu WF, Li XL, Shao J. The optimal regimen of oral tranexamic acid administration for primary total knee/hip replacement: a meta-analysis and narrative review of a randomized controlled trial. J Orthop Surg Res 2020; 15:457. [PMID: 33023637 PMCID: PMC7539468 DOI: 10.1186/s13018-020-01983-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/23/2020] [Indexed: 12/13/2022] Open
Abstract
Background Oral tranexamic acid (TXA) has been demonstrated to reduce the blood loss in primary total knee and hip arthroplasty, but the optimal regimen of oral TXA administration is still unknown. This study aimed to find the best number of administrations of oral TXA for primary total knee and hip arthroplasty. Methods The PubMed, Embase, and Cochrane Library databases were searched for relevant studies published before March 20, 2020. Studies clearly reporting a comparison of multiple administrations of oral TXA for total hip/knee replacement were included, and the total blood loss (TBL), intraoperative blood loss (IBL), decline in hemoglobin (DHB), deep vein thrombosis (DVT), intramuscular venous thrombosis (IVT), length of hospital stay (LOS), and transfusion rate were evaluated. The weighted mean differences and relative risks were calculated using a fixed effects or random effects model. Results Nine studies involving 1678 patients were included in this meta-analysis (TXA 1363 (one administration, 201; two administrations, 496; three administrations, 215; four administrations, 336; five administrations, 115); placebo 315); the results show that compared with placebo groups, oral TXA could significantly reduce the TBL, IBL, DHB, LOS, and transfusion rate. In addition, the incidences of IVT and DVT were similar between the TXA and placebo groups. Moreover, two administrations of oral TXA significantly reduced the TBL and DHB compared with one administration, three administrations of oral TXA were better than two administrations, and four administrations of oral TXA were better than three administrations. Conclusion Our results suggested that oral TXA could significantly reduce the blood loss and the length of hospital stay but could not increase the incidence of DVT and IVT for total joint replacement patients; additionally, the effectiveness of oral TXA administration increased as the number of administrations increased.
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Affiliation(s)
- Wei Ye
- Department of Orthopedics Medicine, Wujin Hospital Affiliated with Jiangsu University, Changzhou, 213000, China.
| | - Yafang Liu
- Department of Respiratory Medicine, The Wujin Clinical college of Xuzhou Medical University, Changzhou, 213000, China
| | - Wei Feng Liu
- Department of Orthopedics Medicine, Wujin Hospital Affiliated with Jiangsu University, Changzhou, 213000, China
| | - Xiao Long Li
- Department of Orthopedics Medicine, Wujin Hospital Affiliated with Jiangsu University, Changzhou, 213000, China
| | - Jianshu Shao
- Department of Orthopedics Medicine, Wujin Hospital Affiliated with Jiangsu University, Changzhou, 213000, China
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Bala A, Murasko MJ, Burk DR, Huddleston JI, Goodman SB, Maloney WJ, Amanatullah DF. Venous thromboprophylaxis after total hip arthroplasty: aspirin, warfarin, enoxaparin, or factor Xa inhibitors? Hip Int 2020; 30:564-571. [PMID: 30990095 DOI: 10.1177/1120700019841600] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Debate over the ideal agent for venous thromboembolism (VTE) prophylaxis after total hip arthroplasty (THA) has led to changes in prescribing trends of commonly used agents. We investigate variation in utilisation and the differences in VTE incidence and bleeding risk in primary THA after administration of aspirin, warfarin, enoxaparin, or factor Xa inhibitors. METHODS 8829 patients were age/sex matched from a large database of primary THAs performed between 2007 and 2016. Utilisation was calculated using compound annual growth rate. Incidence of postoperative deep venous thrombosis (DVT), pulmonary embolism (PE), bleeding-related complications, postoperative anaemia, and transfusion were identified at 2 weeks, 30 days, 6 weeks, and 90 days. RESULTS Aspirin use increased by 33%, enoxaparin by 7%, and factor Xa inhibitors by 31%. Warfarin use decreased by 1%. Factor Xa inhibitors (1.7%) and aspirin (1.7%) had the lowest incidence of DVT followed by enoxaparin (2.6%), and warfarin (3.7%) at 90 days. Factor Xa inhibitors (12%) and aspirin (12%) had the lowest incidence of blood transfusion followed by warfarin (15%) and enoxaparin (17%) at 90 days. There was no difference in incidence of blood transfusion or bleeding-related complications nor any detectable difference in symptomatic PE incidence. CONCLUSIONS The utilisation of aspirin and factor Xa inhibitors increased over time. Aspirin and factor Xa inhibitors provided improved DVT prophylaxis with lower rates of postoperative anaemia compared to enoxaparin and warfarin.
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Affiliation(s)
- Abiram Bala
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - Marlon J Murasko
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - David R Burk
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - James I Huddleston
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - William J Maloney
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
| | - Derek F Amanatullah
- Department of Orthopaedic Surgery, Stanford Hospital and Clinics, Redwood City, CA, USA
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Bolz NJ, Zarling BJ, Markel DC. Long-Term Sustainability of a Quality Initiative Program on Transfusion Rates in Total Joint Arthroplasty: A Follow-Up Study. J Arthroplasty 2020; 35:340-346. [PMID: 31548114 DOI: 10.1016/j.arth.2019.08.056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/16/2019] [Accepted: 08/27/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND There are significant variations in transfusion rates among institutions performing total joint arthroplasty. We previously demonstrated that implementation of an educational program to increase awareness of the American Association of Blood Banks' transfusion guidelines led to an immediate decrease in transfusion rates at our facilities. It remained unclear how this initiative would endure over time. We report the long-term success and sustainability of this quality program. METHODS We reviewed the Michigan Arthroplasty Collaborative Quality Initiative data from 2012 through 2017 of all patients undergoing primary hip and knee arthroplasty at our institutions for preoperative and postoperative hemoglobin level, transfusion status, and number of units transfused and transfusions outside of protocol to identify changes surrounding our blood transfusion educational initiative. We calculated the transfusions prevented and cost implications over the course of the study. RESULTS We identified 6645 primary hip and knee arthroplasty patients. There was a significant decrease in transfusion rate and overall transfusions in each group when compared to pre-education values. Subgroup analysis of TKA and THA independently showed significant decreases in both transfusion rate and overall transfusions. Over the final 3 years of the study, only 2 patients were transfused outside of the American Association of Blood Banks protocol. We estimate prevention of 519 transfusions over the study period. CONCLUSION Application of this quality initiative was an effective means of identifying opportunities for quality improvement. The program was easily initiated, had significant early impact, and has been shown to be sustainable.
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Affiliation(s)
- Nicholas J Bolz
- Section of Orthopaedic Surgery, Ascension Providence Hospital, Novi, MI; Detroit Medical Center/Wayne State University Orthopedic Residency Program, Detroit, MI
| | - Bradley J Zarling
- Section of Orthopaedic Surgery, Ascension Providence Hospital, Novi, MI; Detroit Medical Center/Wayne State University Orthopedic Residency Program, Detroit, MI
| | - David C Markel
- Section of Orthopaedic Surgery, Ascension Providence Hospital, Novi, MI; Detroit Medical Center/Wayne State University Orthopedic Residency Program, Detroit, MI; The Core Institute, Novi, MI
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Blood Transfusion Trends in Primary and Revision Total Joint Arthroplasty: Recent Declines Are Not Shared Equally. J Am Acad Orthop Surg 2019; 27:e920-e927. [PMID: 30676513 DOI: 10.5435/jaaos-d-18-00205] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION This study examined whether recent nationwide declines in the incidence of transfusion following total joint arthroplasty were equal across inpatient facilities. METHODS This analysis used the Premier database (2010 to 2015). Cohorts of primary total hip or knee arthroplasty (THA or TKA) and revision THA or TKA were defined. RESULTS Among 1,013,024 patients who met selection criteria, the overall incidence of transfusion declined from 2010 through 2015 (primary THA: 22.1% to 7.1%; primary TKA: 18.1% to 3.2%; revision THA: 30.6% to 18.5%; and revision TKA: 19.8% to 9.8%; all P < 0.001). However, patients older than 65 years were associated with lower odds of transfusion relative to those younger than 65 years (P < 0.05 for three of four cohorts); smaller hospitals were associated with higher odds versus large hospitals (P < 0.05 all cohorts), and academic hospitals were associated with higher odds of transfusion versus community facilities (P < 0.05 for three of four cohorts). DISCUSSION During this study period, a meaningful proportion of total joint arthroplasty procedures were performed at facilities with the most room to improve. Decreases in transfusion rates were dependent on specific hospital characteristics; these results may help direct targeted improvement initiatives. LEVEL OF EVIDENCE Level III.
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Cao G, Chen G, Huang Q, Huang Z, Alexander PG, Lin H, Xu H, Zhou Z, Pei F. The efficacy and safety of tranexamic acid for reducing blood loss following simultaneous bilateral total knee arthroplasty: a multicenter retrospective study. BMC Musculoskelet Disord 2019; 20:325. [PMID: 31299945 PMCID: PMC6626401 DOI: 10.1186/s12891-019-2692-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 06/25/2019] [Indexed: 02/05/2023] Open
Abstract
Background The purpose of the study was to evaluate whether tranexamic acid (TXA) administration could reduce blood loss and transfusion risk after simultaneous bilateral total knee arthroplasty (SBTKA). Methods As a multicenter retrospective study, a total of 575 patients were assigned into three groups on the basis of TXA usage, including intravenous (IV) group (1 g IV TXA 5–10 min prior to the incision), combined group (1 g IV TXA combined with intra-articular injection of 1 g TXA prior to the closure every knee) and control group (no TXA use). The primary outcomes were total blood loss (TBL). The secondary outcomes were maximum hemoglobin (Hb) and hematocrit (Hct) drop, transfusion rate, drain volume, length of stay, hospitalization expenses and the incidence of complications. Results The mean TBL in control group (1685.0 ± 571.4 mL) were higher than that in IV group (1061.1 ± 689.6 mL, p = 0.006 and combined group (988.3 ± 559.3 mL, p = 0.003). The maximum Hb and Hct drop in combined group (28.5 ± 13.4 g/L, p = 0.016; 0.074 ± 0.053, p < 0.001) and IV group (28.8 ± 14.5 g/L, p = 0.025; 0.082 ± 0.056, p = 0.001) were lower than those in control group (33.4 ± 14.0; 0.131 ± 0.049). But the difference between IV and combined groups was not significant. The similar trend was detected on drain volume, length of stay and hospitalization expenses. The incidence of complications did not differ significantly among the three groups (p > 0.05). Conclusions The study indicates that TXA could reduce blood loss with no apparent increase in the incidence of complications during SBTKA.
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Affiliation(s)
- Guorui Cao
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Guo Chen
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong Province, People's Republic of China
| | - Qiang Huang
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Zeyu Huang
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Peter G Alexander
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, USA
| | - Hang Lin
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, USA
| | - Hong Xu
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Zongke Zhou
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Fuxing Pei
- Department of Orthopaedic surgery, West China Medical School, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China.
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Huerfano E, Huerfano M, Shanaghan KA, Gonzalez Della Valle A. Topical Tranexamic Acid in Revision Total Knee Arthroplasty Reduces Transfusion Rates and May Be Associated With Earlier Recovery. J Arthroplasty 2019; 34:S249-S255. [PMID: 30448325 DOI: 10.1016/j.arth.2018.10.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 10/04/2018] [Accepted: 10/16/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The use of tranexamic acid (TXA) has been proved to be effective in reducing blood loss and transfusion requirements after primary total knee arthroplasty (TKA). However, the evidence for its use in revision surgery is scant. We assessed the safety and efficacy of topical TXA in revision TKA. METHODS We retrospectively compared 76 revision TKA patients who received topical TXA (3 g before tourniquet deflation) "study group" with a historic control group of 205 revision TKA patients in which TXA was not used. Each group was further stratified into subgroups according to the type of revision. All patients were followed for a minimum of 6 weeks. Blood loss, transfusion requirements, changes in hemoglobin-hematocrit levels, Knee Society Score, and complications were recorded. RESULTS The mean estimated blood loss, hemoglobin drop, and transfusion rate were significantly lower in the study group than in the control group (P = .008, P < .001, P < .001, respectively). Hidden blood loss was similar between the 2 groups (P = .12). Six weeks postoperatively, the improvement in the knee-specific Knee Society Score was significantly higher in the study group than in the control group (P < .001). No significant differences were found in thromboembolic complications between the 2 groups (P = .92). In the subgroup analysis, when both components (femur and tibia) were revised, the relative risk of transfusion was significantly lower with the use of TXA (relative risk 0.227, confidence interval 0.0593-0.860, P = .004). CONCLUSION Topical TXA in revision TKA is safe and effective in reducing blood loss and transfusions. This effect is enhanced when both components are revised. Additionally, the use of TXA may improve early outcomes.
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Affiliation(s)
- Elina Huerfano
- Department of Orthopaedic Surgery, Clínica de la Mujer, Bogotá, Colombia
| | - Manuel Huerfano
- Department of Nephrology, Hospital Universitario Mayor Mederi, Bogotá, Colombia
| | - Kate A Shanaghan
- Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, NY
| | - Alejandro Gonzalez Della Valle
- Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, NY
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Tang Y, Wen Y, Li W, Li H, Yang Y, Liu Y. The efficacy and safety of multiple doses of oral tranexamic acid on blood loss, inflammatory and fibrinolysis response following total knee arthroplasty: A randomized controlled trial. Int J Surg 2019; 65:45-51. [DOI: 10.1016/j.ijsu.2019.03.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 12/11/2022]
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Wang D, Luo ZY, Yu ZP, Liu LX, Chen C, Meng WK, Yu QP, Pei FX, Zhou ZK, Zeng WN. The antifibrinolytic and anti-inflammatory effects of multiple doses of oral tranexamic acid in total knee arthroplasty patients: a randomized controlled trial. J Thromb Haemost 2018; 16:2442-2453. [PMID: 30430724 DOI: 10.1111/jth.14316] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Indexed: 02/05/2023]
Abstract
Essentials Perioperative blood loss and inflammatory response can significantly affect recovery after surgery. We studied the effects of multiple-dose oral tranexamic acid on blood loss and inflammatory response. A postoperative four-dose regimen brought about maximum reduction in postoperative blood loss. A postoperative four-dose regimen reduced inflammatory response and promoted early rehabilitation. SUMMARY: Background Tranexamic acid (TXA) can reduce blood loss and the inflammatory response at multiple doses in total knee arthroplasty patients. However, the optimal regimen has not been determined. Objectives To identify the most effective regimen for achieving maximum reductions in blood loss and the inflammatory response. Patients/Methods Two hundred and seventy-five patients were randomized to receive a placebo (group A), a single 2-g oral dose of TXA 2 h preoperatively followed by 1 g of oral TXA 3 h postoperatively (group B), a single dose followed by 1 g of oral TXA 3 h and 7 h postoperatively (group C), a single dose followed by 1 g of oral TXA 3 h, 7 h and 11 h postoperatively (group D), or a single dose followed by 1 g of oral TXA 3 h, 7 h, 11 h and 15 h postoperatively (group E). The primary outcome was total blood loss on postoperative day (POD) 3. Secondary outcomes included a decrease in the hemoglobin level, coagulation parameters, inflammatory marker levels, and thromboembolic complications. Results Groups D and E had significantly lower blood loss and smaller decreases in hemoglobin level than groups A, B, and C, with no significant difference on POD 3 between groups D and E. Significantly enhanced coagulation was identified for the four multiple-dose regimens; however, all thromboelastographic parameters remained within normal ranges. Group E had the lowest inflammatory marker levels and pain, and the greatest range of motion. No thromboembolic complications were identified. Conclusion The four-dose regimen yielded the maximum reductions in blood loss and inflammatory response, improved analgesia, and promoted early rehabilitation. Further studies are required to ensure that these findings are reproducible.
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Affiliation(s)
- D Wang
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Z-Y Luo
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Z-P Yu
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - L-X Liu
- Department of Neuroscience, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - C Chen
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - W-K Meng
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Q-P Yu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chengdu, China
| | - F-X Pei
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Z-K Zhou
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - W-N Zeng
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University, Chengdu, China
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Della Valle CJ, Buvanendran A, Mont MA, Callaghan JJ. Contemporary Blood Conservation in Hip and Knee Arthroplasty: Tranexamic Acid is an Important Piece of the Puzzle! J Arthroplasty 2018; 33:3063-3064. [PMID: 30227939 DOI: 10.1016/j.arth.2018.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 08/06/2018] [Indexed: 02/01/2023] Open
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Wang D, Wang HY, Luo ZY, Meng WK, Pei FX, Li Q, Zhou ZK, Zeng WN. Blood-conserving efficacy of multiple doses of oral tranexamic acid associated with an enhanced-recovery programme in primary total knee arthroplasty: a randomized controlled trial. Bone Joint J 2018; 100-B:1025-1032. [PMID: 30062946 DOI: 10.1302/0301-620x.100b8.bjj-2017-1598.r1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aims The aim of this study was to identify the most effective regimen of multiple doses of oral tranexamic acid (TXA) in achieving maximum reduction of blood loss in total knee arthroplasty (TKA). Patients and Methods In this randomized controlled trial, 200 patients were randomized to receive a single dose of 2.0 g of TXA orally two hours preoperatively (group A), a single dose of TXA followed by 1.0 g orally three hours postoperatively (group B), a single dose of TXA followed by 1.0 g three and nine hours postoperatively (group C), or a single dose of TXA followed by 1.0 g orally three, nine, and 15 hours postoperatively (group D). All patients followed a routine enhanced-recovery protocol. The primary outcome measure was the total blood loss. Secondary outcome measures were hidden blood loss (HBL), reduction in the level of haemoglobin, the rate of transfusion and adverse events. Results Groups C (661.1 ml, sd 262.4) and D (597.7 ml, sd 219.6) had significantly lower mean total blood loss compared with groups A and B. The mean HBL was significantly lower in groups B (699.2 ml), C (533.1 ml) and D (469.9 ml) than in group A (p = 0.006, p < 0.001, and p < 0.001, respectively). Groups C (2.22 ml, sd 0.91) and D (2.04 ml, sd 0.95) had a lower reduction in the level of haemoglobin than groups A and B. However, there were no differences between groups C and D in relation to the three parameters. Conclusion The addition of two or three postoperative doses of TXA to one preoperative dose produced a significant reduction in blood loss. The two-dose postoperative regimen is the least necessary regimen for clinical efficacy in primary unilateral TKA. The three-dose regimen produced maximum reduction of blood loss. Cite this article: Bone Joint J 2018;100-B:1025–32.
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Affiliation(s)
- D. Wang
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - H-Y. Wang
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Z-Y. Luo
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - W-K. Meng
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - F-X. Pei
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Q. Li
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Z-K. Zhou
- Department of Orthopedics, West China
Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - W-N. Zeng
- Center for Joint Surgery, Southwest Hospital,
Third Military Medical University, Chongqing, China
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Decline in allogeneic blood transfusion usage in total hip arthroplasty patients: National Inpatient Sample 2009 to 2013. Hip Int 2018; 28:382-390. [PMID: 29218687 DOI: 10.5301/hipint.5000590] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Although total hip arthroplasty (THA) is an effective treatment for end-stage arthritis, it is also associated with substantial blood loss that may require allogeneic blood transfusion. However, these transfusions may increase the risk of certain complications. The purpose of our study is to evaluate: (i) the incidence/trends of allogeneic blood transfusion; (ii) the associated risk factors and adverse events; and (iii) the discharge disposition, length of stay (LOS), and costs for these patients between 2009 and 2013. METHODS The National Inpatient Sample database was used to identify 1,542,366 primary THAs performed between 2009 and 2013. Patients were stratified based on demographics, economic data, hospital characteristics, comorbidities, and whether or not allogeneic transfusion was received. Logistic regression was performed to evaluate the risk factors for transfusion and postoperative complications. RESULTS From 2009 to 2013, allogeneic transfusions were used in 16.9% of primary THAs, with a declining annual incidence. Except for obesity, all comorbidities were associated with increased likelihood of receiving a transfusion. Allogeneic transfusion patients were more likely to experience surgical site infections or pulmonary complications (p<0.001 for all). These patients were more likely to be discharged to a short-term care facility (p<0.001). Additionally, they had a greater mean LOS (p<0.001) and higher median hospital costs and charges when compared to their non-transfused counterparts. CONCLUSIONS While the observed decline in allogeneic transfusion usage is encouraging, further efforts should focus on preoperative patient optimisation. Given the projected increase in demand for primary THAs, orthopaedic surgeons must be familiar with safe and effective blood conservation protocols.
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