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Zhou JJ, Hemphill C, Walker CT, Farber SH, Uribe JS. Adverse Effects of Perioperative Blood Transfusion in Spine Surgery. World Neurosurg 2021; 149:73-79. [PMID: 33540100 DOI: 10.1016/j.wneu.2021.01.093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Perioperative blood transfusion is often necessary during spine surgery because of blood loss from the surgical field during and after surgery. However, blood transfusions are associated with a small but significant risk of causing several adverse events including hemolytic transfusion reactions and transfusion-associated circulatory overload. Moreover, many prior publications have noted increased rates of perioperative morbidity and worsened outcomes in spine surgery patients who received blood transfusions. We performed a systematic review of the literature to better characterize the effects of blood transfusion on spine surgery outcomes. METHODS The PubMed/MEDLINE database was queried using the composite key word "transfus∗ AND 'spine surgery.'" A title and abstract review were performed to identify articles for final inclusion. RESULTS A title and abstract review of the resulting 372 English-language articles yielded 13 relevant publications, which were subsequently incorporated into this systematic review. All included studies were retrospective, nonrandomized analyses. CONCLUSIONS Overall, prior literature indicates a relationship between perioperative blood transfusion and worsened outcomes after spine surgery. However, the available data represent level IV evidence at best. In the future, prospective, randomized, controlled studies may help define the effects of perioperative blood transfusion on spine surgery outcomes.
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Affiliation(s)
- James J Zhou
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - Courtney Hemphill
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - Corey T Walker
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - S Harrison Farber
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - Juan S Uribe
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.
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Attenello J, Andrews S, Nishioka S, Mathews K, Nakasone C. Perioperative strategies to reduce transfusion rates in one-stage bilateral total hip arthroplasty via direct anterior approach. J Orthop 2020; 23:118-122. [PMID: 33488007 DOI: 10.1016/j.jor.2020.12.030] [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: 10/28/2020] [Accepted: 12/23/2020] [Indexed: 10/22/2022] Open
Abstract
Despite several blood management strategies available, blood transfusion rates following total hip arthroplasty remain high. Therefore, this study evaluated transfusion rates following bilateral hip arthroplasty via direct anterior approach using a multimodal blood loss management approach for 213 consecutive patients. All patients received standard surgical and post-operative procedures, with allogenic transfusion performed if hemoglobin was less than 8.0 g/dL with persistent clinical symptoms. Thirty-two patients (15%) required transfusion, with those patients significantly older and had lower pre-operative hemoglobin compared to non-transfusion patients. This transfusion rate was much lower than previous literature and could be an appropriate, multimodal blood loss management strategy.
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Affiliation(s)
- John Attenello
- University of Hawai'i, Department of Surgery, Honolulu, HI, USA
| | - Samantha Andrews
- University of Hawai'i, Department of Surgery, Honolulu, HI, USA.,Straub Medical Center, Bone and Joint Center, Honolulu, HI, USA
| | - Scott Nishioka
- Straub Medical Center, Bone and Joint Center, Honolulu, HI, USA
| | - Kristin Mathews
- Straub Medical Center, Bone and Joint Center, Honolulu, HI, USA
| | - Cass Nakasone
- University of Hawai'i, Department of Surgery, Honolulu, HI, USA.,Straub Medical Center, Bone and Joint Center, Honolulu, HI, USA
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Abstract
INTRODUCTION Autologous salvaged blood, commonly referred to as "cell saver" or "cell salvage" blood, is an important method of blood conservation. Understanding the mechanism of action and summarizing the existing evidence regarding the safety, efficiency, and the relative costs of cell salvage may help educate clinicians on how and when to best utilize autotransfusion. METHODS This review focuses on issues concerning the quality of red blood cells (RBC), efficiency, and the cost effectiveness relative to autotransfusion. The key considerations of safe use and clinical applicability are described along with the challenges for wider dissemination. RESULTS Cell salvage can reduce requirements for allogeneic transfusions, along with the associated risks and costs. Autologous salvaged RBCs provide high-quality transfusion, since the cells have not been subjected to the adverse effects of storage as occurs with banked blood. The risks for RBC alloimmunization and transfusion-related infectious diseases are also avoided. With a careful selection of cases, salvaged blood can be more cost effective than donor blood. Cell salvage may have a role in cardiac, major vascular, orthopedic, transplant, and trauma surgeries. However, there remain theoretical safety concerns in cases with bacterial contamination or in cancer surgery. CONCLUSION In addition to other methods of blood conservation used in patient blood management programs, autologous salvaged blood adds value and is cost effective for appropriate surgical cases. Evidence suggests that autologous salvaged blood may be of higher quality and confer a cost reduction compared with the allogeneic banked blood, when used appropriately.
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Mikhail C, Pennington Z, Arnold PM, Brodke DS, Chapman JR, Chutkan N, Daubs MD, DeVine JG, Fehlings MG, Gelb DE, Ghobrial GM, Harrop JS, Hoelscher C, Jiang F, Knightly JJ, Kwon BK, Mroz TE, Nassr A, Riew KD, Sekhon LH, Smith JS, Traynelis VC, Wang JC, Weber MH, Wilson JR, Witiw CD, Sciubba DM, Cho SK. Minimizing Blood Loss in Spine Surgery. Global Spine J 2020; 10:71S-83S. [PMID: 31934525 PMCID: PMC6947684 DOI: 10.1177/2192568219868475] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
STUDY DESIGN Broad narrative review. OBJECTIVE To review and summarize the current literature on guidelines, outcomes, techniques and indications surrounding multiple modalities of minimizing blood loss in spine surgery. METHODS A thorough review of peer-reviewed literature was performed on the guidelines, outcomes, techniques, and indications for multiple modalities of minimizing blood loss in spine surgery. RESULTS There is a large body of literature that provides a consensus on guidelines regarding the appropriate timing of discontinuation of anticoagulation, aspirin, nonsteroidal anti-inflammatory drugs (NSAIDs), and herbal supplements prior to surgery. Additionally, there is a more heterogenous discussion the utility of preoperative autologous blood donation facilitated by erythropoietin and iron supplementation for healthy patients slated for procedures with high anticipated blood loss and for whom allogeneic transfusion is likely. Intraoperative maneuvers available to minimize blood loss include positioning and maintaining normothermia. Tranexamic acid (TXA), bipolar sealer electrocautery, and topical hemostatic agents, and hypotensive anesthesia (mean arterial pressure (MAP) <65 mm Hg) should be strongly considered in cases with larger exposures and higher anticipated blood loss. There is strong level 1 evidence for the use of TXA in spine surgery as it reduces the overall blood loss and transfusion requirements. CONCLUSION As the volume and complexity of spinal procedures rise, intraoperative blood loss management has become a pivotal topic of research within the field. There are many tools for minimizing blood loss in patients undergoing spine surgery. The current literature supports combining techniques to use a cost- effective multimodal approach to minimize blood loss in the perioperative period.
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Affiliation(s)
| | | | - Paul M. Arnold
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | - Norman Chutkan
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - John G. DeVine
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Daniel E. Gelb
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | | | - Fan Jiang
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Brian K. Kwon
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Thomas E. Mroz
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ahmad Nassr
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - K. Daniel Riew
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lali H. Sekhon
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | | | | | | | | | | | - Samuel K. Cho
- Icahn School of Medicine at Mount Sinai, New York, NY, USA,Samuel K. Cho, Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, New York, NY 10029, USA.
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Hemostatic techniques to reduce blood transfusion after primary TKA: a meta-analysis and systematic review. Arch Orthop Trauma Surg 2019; 139:1785-1796. [PMID: 31541274 DOI: 10.1007/s00402-019-03271-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Indexed: 01/19/2023]
Abstract
PURPOSE To investigate the efficacy of non-tranexamic acid (TXA) on reducing blood loss and requirements of allogeneic blood transfusion (ABT) in total knee arthroplasty (TKA). METHODS The PubMed, EMBASE, and the Cochrane Library databases were researched since incipiency to June 2018. Only randomized controlled trials (RCTs) involved with non-TXA hemostatic techniques in TKA met the inclusion criteria. RESULTS A total of 36 RCTs, including 1511 patients, were recruited for analysis. The results of subgroup analysis revealed that hemostatic techniques, which could substantially decrease the rate of ABT, were cell salvage with the transfusion trigger of 9 mg/dl, fibrin sealant with a dosage of 10 ml, and postoperative flexion position. CONCLUSION The available evidence in this meta-analysis suggests that postoperative flexion position, fibrin sealant, and cell salvage can substantially decrease the rate of ABT in TKA. Further studies, including more hemostatic methods and high-quality research, are expected.
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Abstract
Cell salvage is an efficient method to reduce the transfusion of homologous banked blood, as documented by several meta-analyses detected in a systematic literature search. Cell salvage is widely used in orthopedics, trauma surgery, cardiovascular and abdominal transplantation surgery. The retransfusion of unwashed shed blood from wounds or drainage is not permitted according to German regulations. Following irradiation of wound blood, salvaged blood can also be used in tumor surgery. Cell salvage makes a valuable contribution to providing sufficient compatible blood for transfusions in cases of massive blood loss. Certain surgical procedures for Jehovah's Witnesses are only possible with the use of cell salvage. Another possible use is the washing of homologous banked blood, e. g. to prevent potassium-induced arrhythmia or sequestration of autologous platelets. Other advantages besides a good compatibility are the high vitality and functionality of the unstored autologous red blood cells. These have been declared a pharmaceutical product by the German transfusion task force in 2014, so that the autologous red blood cells are now under the control of the Pharmaceutical Products Act (AMG). The new hemotherapy guidelines, however, tolerate cell salvage only under strict rules, whereby the production of autologous blood during or after surgery is still possible without additional special permits. The new guidelines now require the introduction of a quality management system for cell salvage and regular quality controls. These quality controls include a control of the product hematocrit for every application, monthly controls of the protein and albumin elimination rates and the erythrocyte recovery rate for each cell salvage device. Testing for infection markers is not required. The application of cell salvage has to be reported to the appropriate authorities.
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Yao Y, Li J, Wang M, Chen Z, Wang W, Lei L, Huang C, Yao M, Yuan G, Yan M. Improvements in blood transfusion management: cross-sectional data analysis from nine hospitals in Zhejiang, China. BMC Health Serv Res 2018; 18:856. [PMID: 30428874 PMCID: PMC6237039 DOI: 10.1186/s12913-018-3673-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 10/31/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Since 2008, updated perioperative blood management (PoBM) guidelines have been implemented in Zhejiang, China. These guidelines ensure that the limited blood resources meet increasing clinical needs and patient safety requirements. We assessed the effects of implementing updated PoBM guidelines in hospitals in Zhejiang, China. METHODS We performed a retrospective multicenter study that included adult patients who received blood transfusions during surgical care in the years 2007 and 2011. The volume of allogeneic red blood cells or autologous blood transfusions (cell salvage and acute normovolemic hemodilution [ANH]) for each case was recorded. The rates of performing appropriate pre-transfusion assessments during and after surgery were calculated and compared between the 2 years. RESULTS We reviewed 270,421 cases from nine hospitals. A total of 15,739 patients received blood transfusions during the perioperative period. The rates of intraoperative allogeneic transfusion (74.8% vs. 49.9%, p < 0.001) and postoperative transfusion (51.9% vs. 44.2%, p < 0.001) both decreased from 2007 to 2011; the rates of appropriate assessment increased significantly during (63.0% vs. 78.0%, p < 0.001) and after surgery (70.6% vs. 78.4%, p < 0.001). The number of patients who received cell salvage or ANH was higher in 2011 (27.6% cell salvage; 9.3% ANH) than in 2007 (6.3% cell salvage; 0.1% ANH). CONCLUSION Continuing education and implementation of updated PoBM guidelines resulted in significant improvements in the quality of blood transfusion management in hospitals in Zhejiang, China.
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Affiliation(s)
- Yuanyuan Yao
- Department of Anesthesiology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009 China
| | - Jun Li
- The 2nd Affiliated Hospital & Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Mingcang Wang
- Taizhou Hospital of Zhejiang Province, Taizhou, China
| | | | | | - Lipei Lei
- The Central Hospital of Lishui City, Lishui, China
| | - Changshun Huang
- Ningbo First Hospital (Ningbo Hospital of Zhejiang University), Ningbo, China
| | - Ming Yao
- The First Hospital of Jiaxing, Jiaxing, China
| | | | - Min Yan
- Department of Anesthesiology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009 China
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Brito SA, Rankin EA, Mcnear M. Acute Blood Loss Anemia in the Octogenarian Total Knee Arthroplasty, Estimated Blood Loss and Transfusions Rates. J Natl Med Assoc 2018; 108:86-9. [PMID: 26928492 DOI: 10.1016/j.jnma.2015.12.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Acute blood loss anemia is an expected morbidity after a total knee replacement. The purpose of this study is to quantify the rates of blood transfusions in the octogenarian population after a total knee replacement and its association with the surgeon's estimated blood loss (EBL). METHODS This is a retrospective review of the senior orthopedic surgeon's charts. All patients were 80 years of age, or older at the time of surgical intervention. All patients with the diagnosis of primary osteoarthritis where included. RESULTS A total 74 total knee arthroplasties were considered, in a total of 64 patients. Overall, 53% patients had an uneventful stay without a blood transfusion. The rates of transfusions increased with EBLs of 200, 250, and >250 ml with rates of 43%, 80%, and 55 % respectively. The average hematocrit of all patients that were transfused was 33.98, compared to 38.20 for the patients that were not transfused. CONCLUSION 47% of patients required a blood transfusion during their hospital course regardless of the EBL estimated by the surgeon during surgery. The average hematocrit was found to be lower in the group that was transfused. PUBLICATION INDICES Pubmed.
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Abstract
STUDY DESIGN This was a retrospective cohort study. OBJECTIVE The primary goal was to evaluate risk factors related to increased blood loss in adolescent idiopathic surgery (AIS) surgery with the secondary goal being to evaluate the financial implications around the use of intraoperative cell salvage (ICS) and the routine preallocation of autogenous blood products. SUMMARY OF BACKGROUND DATA Deformity correction for AIS is a complex procedure and can be associated with significant blood loss. METHODS A retrospective cohort study was conducted on consecutive patients between the ages of 10 and 18 years who underwent posterior spinal fusion of 7-12 levels over a 3-year period between January 2013 and December 2015. Demographic information and surgical characteristics were recorded. All patients had a preoperative type and cross of 2 units and ICS was used in all cases. Charges for preoperative type and cross and ICS were also measured. Univariate and multivariable analyses were performed to identify pertinent variables affecting blood loss. RESULTS In total, 134 patients met inclusion criteria. ICS was used in all cases. In total, 51 patients were transfused cell saver blood intraoperatively/postoperatively at the discretion of the surgeon. On average 133 mL were returned to the patient. No complications related to ICS were observed. Multivariable analysis identified male sex, lower body mass index and higher surgical time to be associated with increased blood loss (P<0.05). All 134 patients had a preoperative type and cross, with an average charge to patient of $311. Patients were charged $1037 for intraoperative use of ICS and $242 for centrifugation. Patients who had allogeneic transfusion were charged $1047. CONCLUSIONS Several blood conservation strategies, including use of ICS, exist to minimize the consequences of blood loss. Routine use of preoperative type and cross may be avoided except in cases where significant blood loss is anticipated-that is adolescent male individuals, those with a lower body mass index and in whom a longer surgical time is anticipated.
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Fiocca L, Cereda AF, Bernelli C, Canova PA, Serino F, Niglio T, Musumeci G, Guagliumi G, Vassileva A, Senni M, Valsecchi O. Autologous blood reinfusion during iatrogenic acute hemorrhagic cardiac tamponade: Safety and feasibility in a cohort of 30 patients. Catheter Cardiovasc Interv 2018; 93:E56-E62. [DOI: 10.1002/ccd.27784] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 05/29/2018] [Accepted: 06/20/2018] [Indexed: 01/25/2023]
Affiliation(s)
- Luigi Fiocca
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Alberto F. Cereda
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Chiara Bernelli
- Interventional Cardiology Unit, ASST Nord Milano; Ospedale Edoardo Bassini; Cinisello Balsamo (MI) Italy
| | - Paolo A. Canova
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Federica Serino
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Tullio Niglio
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Giuseppe Musumeci
- Cardiovascular Department; Ospedale Santa Croce e Carle; Cuneo Italy
| | - Giulio Guagliumi
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | | | - Michele Senni
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
| | - Orazio Valsecchi
- Cardiovascular Department; Ospedale Papa Giovanni XXIII; Bergamo Italy
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Jawed A, Ahmed A, Williams MR. Intra-operative cell salvage in pelvic and acetabular fracture surgery: a retrospective comparative study. INTERNATIONAL ORTHOPAEDICS 2018; 43:1695-1699. [DOI: 10.1007/s00264-018-4104-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 08/08/2018] [Indexed: 10/28/2022]
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Edwards SJ, Crawford F, van Velthoven MH, Berardi A, Osei-Assibey G, Bacelar M, Salih F, Wakefield V. The use of fibrin sealant during non-emergency surgery: a systematic review of evidence of benefits and harms. Health Technol Assess 2018; 20:1-224. [PMID: 28051764 DOI: 10.3310/hta20940] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Fibrin sealants are used in different types of surgery to prevent the accumulation of post-operative fluid (seroma) or blood (haematoma) or to arrest haemorrhage (bleeding). However, there is uncertainty around the benefits and harms of fibrin sealant use. OBJECTIVES To systematically review the evidence on the benefits and harms of fibrin sealants in non-emergency surgery in adults. DATA SOURCES Electronic databases [MEDLINE, EMBASE and The Cochrane Library (including the Cochrane Database of Systematic Reviews, the Database of Abstracts of Reviews of Effects, the Health Technology Assessment database and the Cochrane Central Register of Controlled Trials)] were searched from inception to May 2015. The websites of regulatory bodies (the Medicines and Healthcare products Regulatory Agency, the European Medicines Agency and the Food and Drug Administration) were also searched to identify evidence of harms. REVIEW METHODS This review included randomised controlled trials (RCTs) and observational studies using any type of fibrin sealant compared with standard care in non-emergency surgery in adults. The primary outcome was risk of developing seroma and haematoma. Only RCTs were used to inform clinical effectiveness and both RCTs and observational studies were used for the assessment of harms related to the use of fibrin sealant. Two reviewers independently screened all titles and abstracts to identify potentially relevant studies. Data extraction was undertaken by one reviewer and validated by a second. The quality of included studies was assessed independently by two reviewers using the Cochrane Collaboration risk-of-bias tool for RCTs and the Centre for Reviews and Dissemination guidance for adverse events for observational studies. A fixed-effects model was used for meta-analysis. RESULTS We included 186 RCTs and eight observational studies across 14 surgical specialties and five reports from the regulatory bodies. Most RCTs were judged to be at an unclear risk of bias. Adverse events were inappropriately reported in observational studies. Meta-analysis across non-emergency surgical specialties did not show a statistically significant difference in the risk of seroma for fibrin sealants versus standard care in 32 RCTs analysed [n = 3472, odds ratio (OR) 0.84, 95% confidence interval (CI) 0.68 to 1.04; p = 0.13; I2 = 12.7%], but a statistically significant benefit was found on haematoma development in 24 RCTs (n = 2403, OR 0.62, 95% CI 0.44 to 0.86; p = 0.01; I2 = 0%). Adverse events related to fibrin sealant use were reported in 10 RCTs and eight observational studies across surgical specialties, and 22 RCTs explicitly stated that there were no adverse events. One RCT reported a single death but no other study reported mortality or any serious adverse events. Five regulatory body reports noted death from air emboli associated with fibrin sprays. LIMITATIONS It was not possible to provide a detailed evaluation of individual RCTs in their specific contexts because of the limited resources that were available for this research. In addition, the number of RCTs that were identified made it impractical to conduct independent data extraction by two reviewers in the time available. CONCLUSIONS The effectiveness of fibrin sealants does not appear to vary according to surgical procedures with regard to reducing the risk of seroma or haematoma. Surgeons should note the potential risk of gas embolism if spray application of fibrin sealants is used and not to exceed the recommended pressure and spraying distance. Future research should be carried out in surgery specialties for which only limited data were found, including neurological, gynaecological, oral and maxillofacial, urology, colorectal and orthopaedics surgery (for any outcome); breast surgery and upper gastrointestinal (development of haematoma); and cardiothoracic heart or lung surgery (reoperation rates). In addition, studies need to use adequate sample sizes, to blind participants and outcome assessors, and to follow reporting guidelines. STUDY REGISTRATION This study is registered as PROSPERO CRD42015020710. FUNDING The National Institute for Health Research Health Technology Assessment programme.
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Minkara AA, Lin AY, Vitale MG, Roye DP. Acute Kidney Injury Secondary to Cell Saver in Posterior Spinal Fusion. Spine Deform 2017; 5:430-434. [PMID: 29050721 DOI: 10.1016/j.jspd.2017.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 02/01/2017] [Accepted: 03/19/2017] [Indexed: 01/17/2023]
Abstract
BACKGROUND Autologous blood transfusion, commonly referred to as cell saver, is frequently used in spinal fusion to salvage red blood cells because of the risk of significant intraoperative blood loss. This case report describes a case of acute kidney injury (AKI) secondary to cell saver use. Our objective is to increase the knowledge about the process of red blood cell salvage and this exceedingly rare complication. METHODS Chart and renal biopsy results for a single case were reviewed and reported in this retrospective study. RESULTS A healthy 18-year-old male patient underwent posterior spinal instrumentation and fusion for adolescent idiopathic scoliosis with utilization of intraoperative autologous blood transfusion. The patient subsequently developed hematuria and AKI with a peak creatinine of 13.9 mg/dL. An extensive clinical workup, including autoimmune serology, excluded any identifying causes. A renal biopsy showed pigment-induced acute tubular necrosis. CONCLUSIONS This case, to our knowledge, is the first and only case report of AKI secondary to cell saver demonstrated by renal biopsy. The literature has shown both the benefit of cell saver by decreasing the need for allogeneic transfusion and the risk of transient hematuria. However, this case demonstrates the importance of monitoring patients for potential complications.
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Affiliation(s)
- Anas A Minkara
- Columbia University Medical Center, 3959 Broadway, 8 North, New York, NY 10032, USA
| | - Albert Y Lin
- Columbia University Medical Center, 3959 Broadway, 8 North, New York, NY 10032, USA
| | - Michael G Vitale
- Columbia University Medical Center, 3959 Broadway, 8 North, New York, NY 10032, USA
| | - David P Roye
- Columbia University Medical Center, 3959 Broadway, 8 North, New York, NY 10032, USA.
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Liu JM, Fu BQ, Chen WZ, Chen JW, Huang SH, Liu ZL. Cell Salvage Used in Scoliosis Surgery: Is It Really Effective? World Neurosurg 2017; 101:568-576. [DOI: 10.1016/j.wneu.2017.02.057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 02/09/2017] [Accepted: 02/11/2017] [Indexed: 01/11/2023]
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Loughenbury PR, Berry L, Brooke BT, Rao AS, Dunsmuir RA, Millner PA. Benefits of the use of blood conservation in scoliosis surgery. World J Orthop 2016; 7:808-813. [PMID: 28032033 PMCID: PMC5155256 DOI: 10.5312/wjo.v7.i12.808] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 08/09/2016] [Accepted: 10/09/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To investigate whether autologous blood transfusion (ABT) drains and intra-operative cell salvage reduced donor blood transfusion requirements during scoliosis surgery.
METHODS Retrospective data collection on transfusion requirements of patients undergoing scoliosis surgery is between January 2006 and March 2010. There were three distinct phases of transfusion practice over this time: Group A received “traditional treatment” with allogeneic red cell transfusion (ARCT) in response to an intra- or post-operative anaemia (Hb < 8 g/dL or a symptomatic anaemia); Group B received intra-operative cell salvage in addition to “traditional treatment”. In group C, ABT wound drains were used together with both intra-operative cell salvage and “traditional treatment”.
RESULTS Data from 97 procedures on 77 patients, there was no difference in mean preoperative haemoglobin levels between the groups (A: 13.1 g/dL; B: 13.49 g/dL; C: 13.66 g/dL). Allogeneic red cell transfusion was required for 22 of the 37 procedures (59%) in group A, 17 of 30 (57%) in group B and 16 of 30 (53%) in group C. There was an overall 6% reduction in the proportion of patients requiring an ARCT between groups A and C but this was not statistically significant (χ2 = 0.398). Patients in group C received fewer units (mean 2.19) than group B (mean 2.94) (P = 0.984) and significantly fewer than those in group A (mean 3.82) (P = 0.0322). Mean length of inpatient stay was lower in group C (8.65 d) than in groups B (12.83) or A (12.62).
CONCLUSION When used alongside measures to minimise blood loss during surgery, ABT drains and intra-operative cell salvage leads to a reduced need for donor blood transfusion in patients undergoing scoliosis surgery.
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Liu D, Dan M, Martinez Martos S, Beller E. Blood Management Strategies in Total Knee Arthroplasty. Knee Surg Relat Res 2016; 28:179-87. [PMID: 27595070 PMCID: PMC5009041 DOI: 10.5792/ksrr.2016.28.3.179] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 12/21/2015] [Accepted: 01/18/2016] [Indexed: 01/09/2023] Open
Abstract
A perioperative blood management program is one of a number of important elements for successful patient care in total knee arthroplasty (TKA) and surgeons should be proactive in its application. The aims of blood conservation are to reduce the risk of blood transfusion whilst at the same time maximizing hemoglobin (Hb) in the postoperative period, leading to a positive effect on outcome and cost. An individualized strategy based on patient specific risk factors, anticipated blood loss and comorbidities are useful in achieving this aim. Multiple blood conservation strategies are available in the preoperative, intraoperative and postoperative periods and can be employed in various combinations. Recent literature has highlighted the importance of preoperative Hb optimization, minimizing blood loss and evidence-based transfusion guidelines. Given TKA is an elective procedure, a zero allogenic blood transfusion rate should be the aim and an achievable goal.
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Affiliation(s)
- David Liu
- Gold Coast Centre for Bone and Joint Surgery, Queensland, Australia
| | - Michael Dan
- John Hunter Hospital, New South Wales, Australia
| | | | - Elaine Beller
- Centre for Research in Evidence-Based Practice Bond University, Queensland, Australia
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Kamath AF, Pagnano MW. Blood Management for Patients Undergoing Total Joint Arthroplasty. JBJS Rev 2016; 1:01874474-201312000-00001. [PMID: 27490505 DOI: 10.2106/jbjs.rvw.m.00046] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Atul F Kamath
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street SW, Gonda 14, Rochester, MN 55905
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Theusinger OM, Spahn DR. Perioperative blood conservation strategies for major spine surgery. Best Pract Res Clin Anaesthesiol 2015; 30:41-52. [PMID: 27036602 DOI: 10.1016/j.bpa.2015.11.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/12/2015] [Accepted: 11/20/2015] [Indexed: 01/25/2023]
Abstract
BACKGROUND Orthopedic surgery, especially spine and spinal deformity surgery, may be associated with high perioperative blood loss. In order to reduce the risk of excessive blood loss and unnecessary blood transfusions, strategies such as Patient Blood Management including goal-directed coagulation management have been developed. RECENT FINDINGS Adverse effects of allogeneic blood transfusions have been shown for most surgical fields including orthopedic surgery. Several efforts have been made to increase the preoperative red blood cell (RBC) mass, to reduce the intraoperative blood loss, and to use restrictive transfusion triggers in order to minimize or avoid RBC transfusions. Measures to reduce intraoperative blood loss include new surgical techniques, use of cell salvage where possible, bedside coagulation management with point-of-care devices, substitution of coagulation factors, antifibrinolytic agents, and desmopressin, induced hypotension, and avoidance of hypothermia. SUMMARY Blood conservation in spinal surgery is a multidisciplinary approach and the efficacy of most single measures has been shown. Cost-effectiveness and the benefits of long-term patient outcomes are the subjects of current and future research.
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Affiliation(s)
- Oliver M Theusinger
- Institute of Anesthesiology, University and University Hospital of Zurich, Zurich, Switzerland.
| | - Donat R Spahn
- Institute of Anesthesiology, University and University Hospital of Zurich, Zurich, Switzerland
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Li XL, Dong P, Tian M, Ni JX, Smith FG. Oxygen carrying capacity of salvaged blood in patients undergoing off-pump coronary artery bypass grafting surgery: a prospective observational study. J Cardiothorac Surg 2015; 10:126. [PMID: 26466895 PMCID: PMC4604709 DOI: 10.1186/s13019-015-0330-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 09/08/2015] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Intraoperative cell salvage (ICS), hereby referred to 'mechanical red cell salvage', has been widely used and proven to be an effective way to reduce or avoid the need for allogeneic red blood cells (RBCs)transfusion and its associated complications in surgeries involving major blood loss. However, little is known about the influence of this technique on the functional state of salvaged RBCs. Furthermore, there are no articles that describe the change of free hemoglobin (fHb) in salvage blood during storage, which is a key index of the quality control of salvaged blood. Therefore, in this study, the influence of ICS on the function of salvaged RBCs and the changes of salvaged RBCs during storage were studied with respect to the presence of oxyhemoglobin affinity (recorded as a P50 value) and the level of 2, 3-diphosphoglycerate (2, 3-DPG) and fHb by comparing salvaged RBCs with self-venous RBCs and 2-week-old packed RBCs. METHODS Fifteen patients undergoing off-pump coronary artery bypass grafting (OPCAB) surgery were enrolled. Blood was collected and processed using a Dideco Electa device. The level of P50, 2, 3-DPG and fHB from salvaged RBCs, venous RBCs and 2-week-old packed RBCs was measured. We also measured the changes of these indicators among salvaged RBCs at 4 h (storage at 21-24 °C) and at 24 h (storage at 1-6 °C). RESULTS The P50 value of salvaged RBCs at 0 h (28.77 ± 0.27 mmHg) was significantly higher than the value of venous RBCs (27.07 ± 0.23 mmHg, p=0.000) and the value of the 2-week-old packed RBCs (16.26 ± 0.62 mmHg, p=0.000). P50 value did not change obviously at 4 h (p=0.121) and 24 h (p=0.384) compared with the value at 0 h. The 2, 3-DPG value of salvaged RBCs at 0 h (17.94 ± 6.91 μmol/g Hb) was significantly higher than the value of venous RBCs (12.73 ± 6.52 mmHg, p = 0.007) and the value of the 2-week-old packed RBCs (2.62 ± 3.13 mmHg, p=0.000). The level of 2, 3-DPG slightly decreased at 4 h (p=0.380) and 24 h (p=0.425) compared with the value at 0 h. Percentage of hemolysis of the salvaged blood at 0 h(0.51 ± 0.27 %) was significantly higher than the level of venous blood (0.07 ± 0.05 %, p=0.000) and the value of 2-week-old packed RBCs (0.07 ± 0.05 %, p=0.000), and reached 1.11 ± 0.42 % at 4 h (p=0.002) and 1.83 ± 0.77 % at 24 h (p=0.000). CONCLUSIONS The oxygen transport function of salvaged RBCs at 0 h was not influenced by the cell salvage process and was better than that of the venous RBCs and 2-week-old packed RBCs. At the end of storage, the oxygen transport function of salvaged RBCs did not change obviously, but percentage of hemolysis significantly increased.
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Affiliation(s)
- Xiu Liang Li
- Department of Pain Management, Xuanwu Hospital of Capital Medical University, No. 45, Changchun Street, Xicheng District, 100053, Beijing, China.
| | - Peng Dong
- Department of Anaesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95, Yong'an Road, Xicheng District, 100050, Beijing, China.
| | - Ming Tian
- Department of Anaesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95, Yong'an Road, Xicheng District, 100050, Beijing, China.
| | - Jia Xiang Ni
- Department of Pain Management, Xuanwu Hospital of Capital Medical University, No. 45, Changchun Street, Xicheng District, 100053, Beijing, China.
| | - Fang Gao Smith
- Department of Anaesthesiology, the 2nd Affiliated Hospital & Yuying Children Hospital of Wenzhou Medical University, Wenzhou, China.
- Perioperative, Critical Care and Trauma Trials Group, University of Birmingham, Edgbaston B15 2WB, Birmingham, UK.
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A Comparison of Cell Salvage Strategies in Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis. ACTA ACUST UNITED AC 2015; 28:1-4. [DOI: 10.1097/bsd.0b013e318284e0b3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Teetzmann R, Sørensen B, Liseth K, Opheim E, Hervig T. Effects of the Sangvia blood collection system on patients undergoing elective hip surgery. Transfus Apher Sci 2014; 51:91-6. [PMID: 25151098 DOI: 10.1016/j.transci.2014.08.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We have conducted a randomized controlled study where 164 patients were randomized to receive autologous salvaged blood collected by Sangvia™ Blood Salvage System or allogeneic red cell concentrates if transfusion was indicated by clinical judgement. The study was powered to detect if transfusion of autologous blood reduced the occurrence of postoperative infections. We found no statistical significant difference in postoperative infection rate between the groups, but this may be due to the fact that postoperative infections were diagnosed in only five patients. Increased C-reactive protein concentrations slightly above level of significance indicate that autologous blood transfusions stimulate the patient's immune system. However, there was no indication of increased transfusion reaction rate, including febrile reactions, in the autologous group. Transfusion of autologous blood did not reduce the use of allogeneic red cell concentrates. The mean use of allogeneic red cell concentrates was 0.93 units (both groups combined), indicating that the transfusion policy may have been too liberal. There was a highly significant inverse correlation between pre-operative haemoglobin concentration and transfusion of allogeneic blood. In a patient population with a low frequency of postoperative infection, a larger study is needed to clarify if autologous salvaged blood protects against postoperative infections.
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Affiliation(s)
- Ralf Teetzmann
- Department of Anesthesiology, Stord Hospital, Helse Fonna HF, Norway
| | - Bente Sørensen
- Department of Anesthesiology, Stord Hospital, Helse Fonna HF, Norway
| | - Knut Liseth
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Helse-Bergen HF, Norway
| | - Elin Opheim
- Institute of Clinical Science, University of Bergen, Bergen, Norway
| | - Tor Hervig
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Helse-Bergen HF, Norway; Institute of Clinical Science, University of Bergen, Bergen, Norway.
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Patient blood management in elective total hip- and knee-replacement surgery (Part 1): a randomized controlled trial on erythropoietin and blood salvage as transfusion alternatives using a restrictive transfusion policy in erythropoietin-eligible patients. Anesthesiology 2014; 120:839-51. [PMID: 24424070 DOI: 10.1097/aln.0000000000000134] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Patient blood management combines the use of several transfusion alternatives. Integrated use of erythropoietin, cell saver, and/or postoperative drain reinfusion devices on allogeneic erythrocyte use was evaluated using a restrictive transfusion threshold. METHODS In a factorial design, adult elective hip- and knee-surgery patients with hemoglobin levels 10 to 13 g/dl (n = 683) were randomized for erythropoietin or not, and subsequently for autologous reinfusion by cell saver or postoperative drain reinfusion devices or for no blood salvage device. Primary outcomes were mean allogeneic intra- and postoperative erythrocyte use and proportion of transfused patients (transfusion rate). Secondary outcome was cost-effectiveness. RESULTS With erythropoietin (n = 339), mean erythrocyte use was 0.50 units (U)/patient and transfusion rate 16% while without (n = 344), these were 0.71 U/patient and 26%, respectively. Consequently, erythropoietin resulted in a nonsignificant 29% mean erythrocyte reduction (ratio, 0.71; 95% CI, 0.42 to 1.13) and 50% reduction of transfused patients (odds ratio, 0.5; 95% CI, 0.35 to 0.75). Erythropoietin increased costs by €785 per patient (95% CI, 262 to 1,309), that is, €7,300 per avoided transfusion (95% CI, 1,900 to 24,000). With autologous reinfusion, mean erythrocyte use was 0.65 U/patient and transfusion rate was 19% with erythropoietin (n = 214) and 0.76 U/patient and 29% without (n = 206). Compared with controls, autologous blood reinfusion did not result in erythrocyte reduction and increased costs by €537 per patient (95% CI, 45 to 1,030). CONCLUSIONS In hip- and knee-replacement patients (hemoglobin level, 10 to 13 g/dl), even with a restrictive transfusion trigger, erythropoietin significantly avoids transfusion, however, at unacceptably high costs. Autologous blood salvage devices were not effective.
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Abstract
Abstract
Background:
Patient blood management is introduced as a new concept that involves the combined use of transfusion alternatives. In elective adult total hip- or knee-replacement surgery patients, the authors conducted a large randomized study on the integrated use of erythropoietin, cell saver, and/or postoperative drain reinfusion devices (DRAIN) to evaluate allogeneic erythrocyte use, while applying a restrictive transfusion threshold. Patients with a preoperative hemoglobin level greater than 13 g/dl were ineligible for erythropoietin and evaluated for the effect of autologous blood reinfusion.
Methods:
Patients were randomized between autologous reinfusion by cell saver or DRAIN or no blood salvage device. Primary outcomes were mean intra- and postoperative erythrocyte use and proportion of transfused patients (transfusion rate). Secondary outcome was cost-effectiveness.
Results:
In 1,759 evaluated total hip- and knee-replacement surgery patients, the mean erythrocyte use was 0.19 (SD, 0.9) erythrocyte units/patient in the autologous group (n = 1,061) and 0.22 (0.9) erythrocyte units/patient in the control group (n = 698) (P = 0.64). The transfusion rate was 7.7% in the autologous group compared with 8.3% in the control group (P = 0.19). No difference in erythrocyte use was found between cell saver and DRAIN groups. Costs were increased by €298 per patient (95% CI, 76 to 520).
Conclusion:
In patients with preoperative hemoglobin levels greater than 13 g/dl, autologous intra- and postoperative blood salvage devices were not effective as transfusion alternatives: use of these devices did not reduce erythrocyte use and increased costs.
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Liang J, Shen J, Chua S, Fan Y, Zhai J, Feng B, Cai S, Li Z, Xue X. Does intraoperative cell salvage system effectively decrease the need for allogeneic transfusions in scoliotic patients undergoing posterior spinal fusion? A prospective randomized study. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2014; 24:270-5. [DOI: 10.1007/s00586-014-3282-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 01/21/2014] [Accepted: 03/15/2014] [Indexed: 11/29/2022]
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Ten-year follow-up on Dutch orthopaedic blood management (DATA III survey). Arch Orthop Trauma Surg 2014; 134:15-20. [PMID: 24276360 DOI: 10.1007/s00402-013-1893-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Hip and knee arthroplasties are frequently complicated by the need for allogeneic blood transfusions. This survey was conducted to assess the current use of perioperative blood-saving measures and to compare it with prior results. MATERIALS AND METHODS All departments of orthopaedic surgery at Dutch hospitals were sent a follow-up survey on perioperative blood-saving measures, and data were compared to the results of two surveys conducted 5 and 10 years earlier. RESULTS The response rate was 94 out of 108 departments (87%). Most departments used erythropoietin prior to hip and knee replacements at the expense of preoperative autologous blood donation. The use of intraoperative autologous retransfusion in revision hip (56 vs. 54%) as well as revision knee arthroplasty (26 vs. 24%), was virtually unchanged. Postoperative autologous retransfusion is still used by the majority of departments after both primary arthroplasty and revision of hip (58/53%) and knee (65/61%). CONCLUSIONS Currently, just as in 2007, the majority of Dutch orthopaedic departments uses erythropoietin, normothermia and postoperative autologous retransfusion with hip and knee arthroplasty. Intraoperative retransfusion is used mainly with hip revision arthroplasty. Other effective blood management modalities such as tranexamic acid have not been widely implemented.
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Tsuno NH, Nagura Y, Kawabata M, Matsuhashi M, Sone S, Ikeda T, Okochi N, Takahashi K. The current status of autologous blood transfusion in Japan – The importance of pre-deposit autologous blood donation program and the needs to achieve patient blood management. Transfus Apher Sci 2013; 49:673-80. [DOI: 10.1016/j.transci.2013.02.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 02/14/2013] [Indexed: 10/27/2022]
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Samnaliev M, Tran CM, Sloan SR, Gasior I, Lightdale JR, Brustowicz RM. Economic evaluation of cell salvage in pediatric surgery. Paediatr Anaesth 2013; 23:1027-34. [PMID: 23952976 DOI: 10.1111/pan.12233] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/27/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND Red blood cells are a scarce resource with demand outstripping supply. Use of intraoperative red cell salvage (CS) - the process of collecting shed blood during surgery and reinfusing it to patients - is often used as an effective blood conservation strategy. However, little is known about the economic impact of CS during pediatric surgery. METHODS A decision tree model was used to estimate the transfusion-related costs per patient (2010 USD) from a healthcare system perspective of four transfusion strategies among children undergoing elective orthopedic or cardiac surgery: (i) CS followed by allogeneic transfusion, (ii) CS followed by autologous transfusion, (iii) allogeneic transfusion alone, and (iv) autologous transfusion alone. RESULTS Cell salvage and allogeneic transfusion was the least expensive strategy (USD 883.3) followed by CS and autologous blood transfusion (USD 1,269.7), allogeneic transfusion alone (USD 1,443.0), and autologous transfusion alone (USD 1,824.7). Savings associated with CS use persisted in separate analyses of orthopedic and cardiac surgery, as well as in one-way and probabilistic sensitivity analyses. CONCLUSIONS Use of CS, particularly along with allogeneic blood transfusion, appears cost-saving and cost-effective in pediatric surgery.
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Affiliation(s)
- Mihail Samnaliev
- Clinical Research Center, Boston Children's Hospital, Boston, MA, USA
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Abstract
OBJECTIVES To determine if the routine use of intraoperative blood cell salvage in acetabular fracture internal fixation reduces the need for allogenic blood transfusion, is cost effective, and whether it is influenced by the acetabular fracture pattern. DESIGN A retrospective study. SETTING Tertiary pelvic and acetabular reconstructive center. PATIENTS/PARTICIPANTS Patients undergoing internal fixation for acetabular fractures. RESULTS Eighty consecutive patients were reviewed, comprising 26 elementary fracture (EF) and 54 associated fracture (AF) types. The mean volume of autologous blood transfused was 484 mL. The mean volume of 561 mL of autologous blood transfused in patients with AF types was significantly greater than the mean volume of 325 mL transfused in the EF group (P = 0.007). Additional allogenic blood transfusion was required in 5 (19%) patients with EFs and 15 (28%) patients with AFs (P = 0.418). The mean cost of the blood cell salvage and additional blood products in our study was $223 (£135) for all fracture types ($174/£105 for EF and $246/£149 for AF).When treating AF types, the mean cost of using blood cell salvage was $246 (£149) as compared with the mean predicted cost of not using blood cell salvage and transfusing the equivalent of 1.7 units of allogenic blood instead, which was $463 (£281). These distributions are significantly different (P = 0.01). CONCLUSIONS The use of blood cell salvage for internal fixation surgery for acetabular fracture is cost effective, particularly when treating AF types, and its routine use is advocated to limit the need for allogenic blood transfusion.
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Parvizi J, Rasouli MR, Jaberi M, Chevrollier G, Vizzi S, Sharkey PF, Hozack WJ. Does the surgical approach in one stage bilateral total hip arthroplasty affect blood loss? INTERNATIONAL ORTHOPAEDICS 2013; 37:2357-62. [PMID: 24068441 DOI: 10.1007/s00264-013-2093-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Accepted: 08/19/2013] [Indexed: 02/04/2023]
Abstract
PURPOSE It is not clear whether type of surgical approach affects the amount of blood loss in one-stage bilateral total hip arthroplasty (THA). This study therefore aims to examine if type of surgical approach can affect peri-operative blood loss and allogeneic blood transfusion in patients undergoing one-stage bilateral THA. METHODS Records of 319 patients who underwent one-stage bilateral THA from January 2004 to June 2011 were retrospectively reviewed. Patients were divided into two groups: direct anterior (DA) approach (75 patients) and direct lateral (DL) approach (244 patients). Blood loss was calculated using a previously validated formula. Blood loss and need for allogeneic blood transfusion were compared between the two groups. Additionally, the effects of using cell saver and surgical approach were evaluated in a multivariate analysis. RESULTS Compared to the DL approach, calculated blood loss was significantly lower in the DA group (2,813.90 ± 804.13 ml vs 3,617.03 ± 1,148.47 ml) and a significantly lower per cent of patients needed allogeneic blood transfusion in the DA group (26.6 vs 52.4%). Intra-operative cell saver was used in 36 patients. Compared to the non-cell saver group, mean blood loss was significantly higher in the cell saver group (4,061.0 ± 1,285.55 ml vs 3,347.71 ± 1,083.85 ml), whereas the difference between the two groups regarding allogeneic blood transfusion was not statistically significant. The DA approach was an independent predictor of lower peri-operative blood loss and allogeneic blood transfusion while using cell saver was not. CONCLUSIONS Our results may be explained by the lower extent of muscular dissection performed in the DA approach. Our findings also indicate that intra-operative cell salvage might not be justified in bilateral THA performed expeditiously.
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Affiliation(s)
- Javad Parvizi
- Orthopaedic Surgery at the Rothman Institute, Thomas Jefferson University Hospital, 925 Chestnut Street, 5th floor, Philadelphia, PA, 19107, USA,
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Optimizing Preoperative Blood Ordering with Data Acquired from an Anesthesia Information Management System. Anesthesiology 2013; 118:1286-97. [DOI: 10.1097/aln.0b013e3182923da0] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Abstract
Background:
The maximum surgical blood order schedule (MSBOS) is used to determine preoperative blood orders for specific surgical procedures. Because the list was developed in the late 1970s, many new surgical procedures have been introduced and others improved upon, making the original MSBOS obsolete. The authors describe methods to create an updated, institution-specific MSBOS to guide preoperative blood ordering.
Methods:
Blood utilization data for 53,526 patients undergoing 1,632 different surgical procedures were gathered from an anesthesia information management system. A novel algorithm based on previously defined criteria was used to create an MSBOS for each surgical specialty. The economic implications were calculated based on the number of blood orders placed, but not indicated, according to the MSBOS.
Results:
Among 27,825 surgical cases that did not require preoperative blood orders as determined by the MSBOS, 9,099 (32.7%) had a type and screen, and 2,643 (9.5%) had a crossmatch ordered. Of 4,644 cases determined to require only a type and screen, 1,509 (32.5%) had a type and crossmatch ordered. By using the MSBOS to eliminate unnecessary blood orders, the authors calculated a potential reduction in hospital charges and actual costs of $211,448 and $43,135 per year, respectively, or $8.89 and $1.81 per surgical patient, respectively.
Conclusions:
An institution-specific MSBOS can be created, using blood utilization data extracted from an anesthesia information management system along with our proposed algorithm. Using these methods to optimize the process of preoperative blood ordering can potentially improve operating room efficiency, increase patient safety, and decrease costs.
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Frankel TL, Fischer M, Grant F, Krone J, D'Angelica MI, DeMatteo RP, Jarnagin WR, Gönen M. Selecting patients for acute normovolemic hemodilution during hepatic resection: a prospective randomized evaluation of nomogram-based allocation. J Am Coll Surg 2013; 217:210-20. [PMID: 23731968 DOI: 10.1016/j.jamcollsurg.2013.03.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Revised: 03/20/2013] [Accepted: 03/20/2013] [Indexed: 12/17/2022]
Abstract
BACKGROUND Acute normovolemic hemodilution (ANH) decreases transfusion rates but adds to the complexity of anesthetic management during hepatectomy. A randomized controlled trial was conducted to determine if selecting patients for ANH using a transfusion nomogram improves management and resource use compared with selection using extent of resection. STUDY DESIGN One hundred fourteen patients undergoing partial hepatectomy were randomized to a clinical arm (ANH used for resection of ≥ 3 liver segments) or a nomogram arm (ANH used for predicted probability of transfusion ≥ 50% based on a previously validated nomogram). The primary end point was appropriate management, defined as avoidance of ANH in patients at low risk or use of ANH in patients at high risk for allogeneic red blood cell transfusions. RESULTS Between September 2009 and May 2011, 58 patients were randomized to the clinical arm and 56 to the nomogram arm. Demographics, diagnoses, extent of resection, blood loss, and incidence and grade of complications did not differ between the 2 groups. There were no differences in perioperative transfusions or laboratory values. Nomogram-based allocation did not change appropriate management overall (80% vs 76% in the clinical arm; p = 0.65), but did result in comparable perioperative outcomes and a trend toward decreased ANH use (30% vs 47%; p = 0.09), particularly in low blood loss (estimated blood loss ≤ 400 mL) cases (12% vs 25%; p = 0.04). CONCLUSIONS Although allocation of intraoperative management using a transfusion nomogram did not improve appropriate management overall, it more effectively identified low blood loss cases and reduced ANH use in patients least likely to benefit.
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Affiliation(s)
- Timothy L Frankel
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA.
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Fraga G, Ramos-Luengo A, Miyagi M, Rodríguez-Tato P, Berberana M, González L. [Decrease in allogenic transfusions due to the spread of use of postoperative retransfusion systems in knee replacement surgery]. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2013; 60:308-12. [PMID: 23680661 DOI: 10.1016/j.redar.2013.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Accepted: 03/11/2013] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Surgical teams have several tools in order to reduce the need for postoperative allogenic transfusion. Postoperative autotransfusion of unwashed shed blood has become common practice for total knee replacement surgery since 2006 in our hospital. This study was designed to evaluate if this practice has reduced allogenic blood transfusions. MATERIAL AND METHODS A retrospective study comparing two cohorts, group 2004 with patients operated on for total knee replacement during the year 2004, before the use of the retransfusion system, and group 2008, patients operated on in the year 2008, with regular use of the retransfusion system. Gender, preoperative and postoperative haemoglobin levels, total amount of calculated erythrocytes lost, reinfusion of shed blood and allogenic blood transfusion during hospital stay were recorded. RESULTS Both groups were similar as regards gender, preoperative and postoperative hemoglobin levels, and total amount of erythrocytes lost. The proportion of transfused patients was significantly lower in group 2008 versus group 2004 (20.18% versus 42.19%), with a relative risk of being transfused of 0.47 and a NNT of 4.54. P=.0017. CONCLUSIONS In our hospital the use of postoperative retransfusion systems has reduced the proportion of transfused patients during hospitalization for total knee replacement surgery, although this result cannot be generalized due to the lack of a fixed transfusion trigger.
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Affiliation(s)
- G Fraga
- Servicio de Anestesiología y Reanimación, Hospital Severo Ochoa, Leganés, Madrid, España.
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Singbartl G, Held AL, Singbartl K. Ranking the effectiveness of autologous blood conservation measures through validated modeling of independent clinical data. Transfusion 2013; 53:3060-79. [PMID: 23656520 DOI: 10.1111/trf.12233] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Revised: 01/26/2013] [Accepted: 01/29/2013] [Indexed: 12/17/2022]
Abstract
BACKGROUND Future supply with allogeneic blood transfusions faces several crucial challenges that warrant thorough (re-)evaluation of existing alternatives. Meta-analyses have indicated a significant potential for autologous blood conservation (ABC) measures to reduce the need for allogeneic blood transfusions. The quality of currently available studies, however, prohibits definite conclusions. Under these circumstances, mathematical modeling offers unique opportunities to compare various ABC measures and to test the impact of different variables on efficacy and effectiveness. STUDY DESIGN AND METHODS We performed an extensive search for clinical ABC studies, focusing on acute normovolemic hemodilution (ANH), intraoperative blood salvage (IBS), or preoperative autologous deposit (PAD). Only ABC studies providing a minimum set of clinical variables were included. Using a clinically validated mathematical model, we then calculated maximal allowable blood loss (efficacy) and increase in red blood cell (RBC) mass (effectiveness) to rank the three techniques. RESULTS We identified 21 clinical ABC studies, including 3926 patients, as suitable for our model. Our model shows that IBS with high recovery rates is the most efficacious and effective ABC measure. PAD will reveal nearly similar efficacy and effectiveness, only if sufficient time for RBC regeneration has passed and if 4 PAD units or more are available. Our model further demonstrates that ANH as well as IBS with low recovery rates are the least efficacious and effective alternatives. CONCLUSIONS IBS appears to be the most efficacious and effective ABC measure. PAD can only reduce the need for allogeneic blood transfusions under certain circumstances. ANH does not appear to play an important role in ABC.
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Affiliation(s)
- Günter Singbartl
- Krankenhaus Salzhausen, Salzhausen, Germany; Abteilung Gynaekologie, Klinik Hallerwiese, Nuremberg, Germany; Department of Anesthesiology, Penn State College of Medicine-Milton S. Hershey Medical Center, Hershey, Pennsylvania; CRISMA (Clinical Research, Investigation, and Systems Modeling of Acute Illness) Center, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
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Smith T, Riley W, FitzGerald D. In vitro comparison of two different methods of cell washing. Perfusion 2012; 28:34-7. [DOI: 10.1177/0267659112458960] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The storage of red blood cells (RBC) results in increased concentrations of plasma free hemoglobin, potassium, glucose, and lactate, among other undesirable substances. These concentrations continue to increase as RBC products age and can cause deleterious effects to the patient. In the setting of cardiac surgery, the autotransfusion devices are routinely used to wash blood that is shed from the surgical site. These devices could also be used to wash stored RBC units obtained from the blood bank. The objective of this study was to compare the product created by washing a unit of RBCs with the AutoLog autotransfusion device in the operating room to the washed products from a standard cell washer in the blood bank. Eleven outdated RBC units (stored for >42 days at 4°C) were split in half. One half was washed using the Medtronic AutoLog device; the other half was washed using the blood bank’s Cobe 2991 Cell Processor. Analytes were measured on samples from the unwashed parent unit and from the washed daughter units. The parameters measured included hematocrit, free hemoglobin, lactate, lactate dehydrogenase (LDH), potassium, glucose, and pH. When compared to the original untreated RBCs, the glucose, lactate, and potassium levels were decreased when washed in an autotranfusion device. Additionally, the free hemoglobin and LDH levels were significantly lower with the Medtronic Autolog cell saver than in the COBE 2991 Cell Processor. Washing the RBC donor units in an autotransfusion device prior to transfusion can effectively attenuate the increases seen in glucose, potassium, free hemoglobin, and LDH associated with RBC storage lesion.
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Affiliation(s)
- T Smith
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - W Riley
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - D FitzGerald
- Brigham and Women’s Hospital, Boston, Massachusetts, USA
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Ersen O, Ekıncı S, Bılgıc S, Kose O, Oguz E, Sehırlıoglu A. Posterior spinal fusion in adolescent idiopathic scoliosis with or without intraoperative cell salvage system: a retrospective comparison. Musculoskelet Surg 2012; 96:107-110. [PMID: 22644881 DOI: 10.1007/s12306-012-0203-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 05/11/2012] [Indexed: 06/01/2023]
Abstract
This study investigates efficacy and safety of routine cell salvage system use in adolescent idiopathic scoliosis patients undergoing primary posterior spinal fusion surgery with segmental spinal instrumentation. Forty-five consecutive adolescent idiopathic scoliosis patients undergoing posterior spinal fusion by two surgeons at a single hospital were studied. Intraoperative cell salvage system was used in 23 patients, and the control group was 22 patients who underwent surgery without cell salvage system. The cell salvage system was the Haemonetics Cell Saver 5. The primary outcome measures were intraoperative and perioperative allogeneic transfusion rate, difference between preoperative and discharge Hg and Hct levels. Average patient age was 14.65 ± 1.49 in cell saver group and 13.86 ± 2.0 in control group. In cell saver group, average intraoperative autotransfusion was 382.1 ± 175 ml. Average perioperative allogeneic blood transfusion need was 1.04 ± 0.7 unit in cell saver group and 2.5 ± 1.14 unit in control group. No transfusion reactions occurred in either group. Average hemoglobin level in cell saver group was 10.7 ± 0.86 and average hemoglobin level in control group was 10.7 ± 0.82 on discharge. Cell saver reduces perioperative transfusion rate in patients undergoing posterior spinal fusion for adolescent idiopathic scoliosis.
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Affiliation(s)
- Omer Ersen
- Department of Orthoapaedics and Traumatology, Gulhane Military Medical Academy, Ankara, Turkey
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Rao VK, Dyga R, Bartels C, Waters JH. A cost study of postoperative cell salvage in the setting of elective primary hip and knee arthroplasty. Transfusion 2012; 52:1750-60. [PMID: 22339139 PMCID: PMC3360121 DOI: 10.1111/j.1537-2995.2011.03531.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND The increasing costs, limited supply, and clinical risks associated with allogeneic blood transfusion have prompted investigation into autologous blood management strategies, such as postoperative red blood cell (RBC) salvage. This study provides a cost comparison of transfusing washed postoperatively salvaged RBCs using an orthopedic perioperative autotransfusion device (OrthoPat, Haemonetics Corporation) versus unwashed shed blood and banked allogeneic blood. STUDY DESIGN AND METHODS Cell salvage data were retrospectively reviewed for a sample of 392 patients who underwent primary hip or knee arthroplasty. Mean unit costs were calculated for washed salvaged RBCs, equivalent units of unwashed shed blood, and therapeutically equivalent volumes of allogeneic RBCs. RESULTS No initial capital investment was required for the establishment of the postoperative cell salvage program. For patients undergoing total knee arthroplasty (TKA), the mean unit costs for washed postoperatively salvaged cells, unwashed shed blood, and allogeneic banked blood were $758.80, $474.95, and $765.49, respectively. In patients undergoing total hip arthroplasty (THA), the mean unit costs for washed postoperatively salvaged cells, unwashed shed blood, and allogeneic banked blood were $1827.41, $1167.41, and $2609.44, respectively. CONCLUSION This analysis suggests that transfusing washed postoperatively salvaged cells using the OrthoPat device is more costly than using unwashed shed blood in both THA and TKA. When compared to allogeneic transfusion, washed postoperatively salvaged cells carry a comparable cost in TKA, but potentially represent a significant savings in patients undergoing THA. Sensitivity analysis suggests that in the case of TKA, however, cost comparability exists within a narrow range of units collected and infused.
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Affiliation(s)
- Vidya K. Rao
- Department of Anesthesiology, Magee-Women's Hospital University of Pittsburgh Medical Center
| | - Robert Dyga
- Department of Anesthesiology, Magee-Women's Hospital University of Pittsburgh Medical Center
| | - Christopher Bartels
- Department of Anesthesiology, Magee-Women's Hospital University of Pittsburgh Medical Center
| | - Jonathan H. Waters
- Department of Anesthesiology, Magee-Women's Hospital University of Pittsburgh Medical Center
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Lindholm E, Seljeflot I, Aune E, Kirkebøen KA. Proinflammatory cytokines and complement activation in salvaged blood from abdominal aortic aneurism surgery and total hip replacement surgery. Transfusion 2012; 52:1761-9. [PMID: 22304534 DOI: 10.1111/j.1537-2995.2011.03528.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Levels of proinflammatory mediators in unwashed salvaged blood from abdominal aortic aneurism (AAA) surgery are unknown. We hypothesized that there are higher levels of these mediators in unwashed blood salvaged in AAA surgery compared to hip replacement surgery. STUDY DESIGN AND METHODS Ten patients scheduled for AAA surgery (Group A) and 10 patients for total hip replacement surgery (Group H) were included. Blood samples from the autotransfusion set were obtained during surgery and arterial samples before, during, and 6 hours after surgery. Determination of interleukin (IL)-1β, IL-6, IL-8, tumor necrosis factor-α, activated complement 3 (C3a), and high-sensitivity C-reactive protein (CRP) were performed. Salvaged blood was not retransfused. RESULTS Levels (median [range]) of IL-8 in blood in the salvage system were higher in Group A versus Group H (215.3 [22.5-697.2] vs. 35.3 [16.7-66.6] pg/mL; p = 0.002). Higher levels of IL-6 were also seen in Group A versus Group H (60.0 [52.6-62.2] vs. 42.34 [19.4-62.2] pg/mL; p = 0.049). Levels of IL-6 in blood sampled during surgery were approximately fivefold higher in Group A versus Group H (p = 0.023), whereas approximately 70% higher levels of C3a were observed in Group H versus Group A (p = 0.021). Postoperative concentrations of IL-1β (p = 0.002), IL-6 (p = 0.001), and IL-8 (0.005) were higher in Group A versus Group H. CONCLUSION Salvaged blood in AAA surgery contains substantially higher levels of proinflammatory mediators compared to blood in total hip replacement surgery.
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Affiliation(s)
- Espen Lindholm
- Department of Anesthesiology, Vestfold Hospital Trust, Tønsberg, Norway.
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Shantikumar S, Patel S, Handa A. The Role of Cell Salvage Autotransfusion in Abdominal Aortic Aneurysm Surgery. Eur J Vasc Endovasc Surg 2011; 42:577-84. [DOI: 10.1016/j.ejvs.2011.04.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 04/06/2011] [Indexed: 11/29/2022]
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Alberca I, Asuero MS, Bóveda JL, Carpio N, Contreras E, Fernández-Mondéjar E, Forteza A, García-Erce JA, García de Lorenzo A, Gomar C, Gómez A, Llau JV, López-Fernández MF, Moral V, Muñoz M, Páramo JA, Torrabadella P, Quintana M, Sánchez C. [The "Seville" Consensus Document on Alternatives to Allogenic Blood Transfusion. Sociedades españolas de Anestesiología (SEDAR), Medicina Intensiva (SEMICYUC), Hematología y Hemoterapia (AEHH), Transfusión sanguínea (SETS) Trombosis y Hemostasia (SETH)]. Med Clin (Barc) 2011; 127 Suppl 1:3-20. [PMID: 17020674 DOI: 10.1157/13093075] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The Consensus Document on Alternatives to Allogenic Blood Transfusion (AABT) has been drawn up by a panel of experts from 5 scientific societies. The Spanish Societies of Anesthesiology (SEDAR), Critical Care Medicine and Coronary Units (SEMICYUC), Hematology and Hemotherapy (AEHH), Blood Transfusion (SETS) and Thrombosis and Hemostasis (SETH) have sponsored and participated in this Consensus Document. Alternatives to blood transfusion have been divided into pharmacological and non-pharmacological, with 4 modules and 12 topics. The main objective variable was the reduction of allogenic blood transfusions and/or the number of transfused patients. The extent to which this objective was achieved by each AABT was evaluated using the Delphi method, which classifies the grade of recommendation from A (supported by controlled studies) to E (non-controlled studies and expert opinion). The experts concluded that most of the indications for AABT were based on middle or low grades of recommendation, "C", "D", or "E", thus indicating the need for further controlled studies.
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Tse EYW, Cheung WY, Ng KFJ, Luk KDK. Reducing perioperative blood loss and allogeneic blood transfusion in patients undergoing major spine surgery. J Bone Joint Surg Am 2011; 93:1268-77. [PMID: 21776581 DOI: 10.2106/jbjs.j.01293] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
At present, individual techniques, including intraoperative acute normovolemic hemodilution, use of tranexamic acid, use of intrathecal morphine, proper positioning, and modification of operative techniques, seem most promising for reducing perioperative blood loss and allogeneic blood transfusion in patients undergoing major spine surgery. Other techniques including preoperative autologous predonation; mandatory discontinuation of use of antiplatelet agents; intraoperative and postoperative red-blood-cell salvage; use of aprotinin, epsilon-aminocaproic acid, recombinant factor VIIa, or desmopressin; induced hypotension; avoidance of hypothermia; and minimally invasive operative techniques require additional studies to either establish their effectiveness or address safety considerations.
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Affiliation(s)
- Eva Y W Tse
- Department of Anesthesiology, The University of Hong Kong, Hong Kong SAR, China
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Henry DA, Carless PA, Moxey AJ, O'Connell D, Stokes BJ, Fergusson DA, Ker K. Anti-fibrinolytic use for minimising perioperative allogeneic blood transfusion. Cochrane Database Syst Rev 2011; 2011:CD001886. [PMID: 21412876 PMCID: PMC4234031 DOI: 10.1002/14651858.cd001886.pub4] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Concerns regarding the safety of transfused blood have led to the development of a range of interventions to minimise blood loss during major surgery. Anti-fibrinolytic drugs are widely used, particularly in cardiac surgery, and previous reviews have found them to be effective in reducing blood loss, the need for transfusion, and the need for re-operation due to continued or recurrent bleeding. In the last few years questions have been raised regarding the comparative performance of the drugs. The safety of the most popular agent, aprotinin, has been challenged, and it was withdrawn from world markets in May 2008 because of concerns that it increased the risk of cardiovascular complications and death. OBJECTIVES To assess the comparative effects of the anti-fibrinolytic drugs aprotinin, tranexamic acid (TXA), and epsilon aminocaproic acid (EACA) on blood loss during surgery, the need for red blood cell (RBC) transfusion, and adverse events, particularly vascular occlusion, renal dysfunction, and death. SEARCH STRATEGY We searched: the Cochrane Injuries Group's Specialised Register (July 2010), Cochrane Central Register of Controlled Trials (The Cochrane Library 2010, Issue 3), MEDLINE (Ovid SP) 1950 to July 2010, EMBASE (Ovid SP) 1980 to July 2010. References in identified trials and review articles were checked and trial authors were contacted to identify any additional studies. The searches were last updated in July 2010. SELECTION CRITERIA Randomised controlled trials (RCTs) of anti-fibrinolytic drugs in adults scheduled for non-urgent surgery. Eligible trials compared anti-fibrinolytic drugs with placebo (or no treatment), or with each other. DATA COLLECTION AND ANALYSIS Two authors independently assessed trial quality and extracted data. This version of the review includes a sensitivity analysis excluding trials authored by Prof. Joachim Boldt. MAIN RESULTS This review summarises data from 252 RCTs that recruited over 25,000 participants. Data from the head-to-head trials suggest an advantage of aprotinin over the lysine analogues TXA and EACA in terms of reducing perioperative blood loss, but the differences were small. Compared to control, aprotinin reduced the probability of requiring RBC transfusion by a relative 34% (relative risk [RR] 0.66, 95% confidence interval [CI] 0.60 to 0.72). The RR for RBC transfusion with TXA was 0.61 (95% CI 0.53 to 0.70) and was 0.81 (95% CI 0.67 to 0.99) with EACA. When the pooled estimates from the head-to-head trials of the two lysine analogues were combined and compared to aprotinin alone, aprotinin appeared more effective in reducing the need for RBC transfusion (RR 0.90; 95% CI 0.81 to 0.99).Aprotinin reduced the need for re-operation due to bleeding by a relative 54% (RR 0.46, 95% CI 0.34 to 0.62). This translates into an absolute risk reduction of 2% and a number needed-to-treat (NNT) of 50 (95% CI 33 to 100). A similar trend was seen with EACA (RR 0.32, 95% CI 0.11 to 0.99) but not TXA (RR 0.80, 95% CI 0.55 to 1.17). The blood transfusion data were heterogeneous and funnel plots indicate that trials of aprotinin and the lysine analogues may be subject to publication bias.When compared with no treatment aprotinin did not increase the risk of myocardial infarction (RR 0.87, 95% CI 0.69 to 1.11), stroke (RR 0.82, 95% CI 0.44 to 1.52), renal dysfunction (RR 1.10, 95% CI 0.79 to 1.54) or overall mortality (RR 0.81, 95% CI 0.63 to 1.06). Similar trends were seen with the lysine analogues, but data were sparse. These data conflict with the results of recently published non-randomised studies, which found increased risk of cardiovascular complications and death with aprotinin. There are concerns about the adequacy of reporting of uncommon events in the small clinical trials included in this review.When aprotinin was compared directly with either, or both, of the two lysine analogues it resulted in a significant increase in the risk of death (RR 1.39, 95% CI 1.02, 1.89), and a non-significant increase in the risk of myocardial infarction (RR 1.11 95% CI 0.82, 1.50). Most of the data contributing to this added risk came from a single study - the BART trial (2008). AUTHORS' CONCLUSIONS Anti-fibrinolytic drugs provide worthwhile reductions in blood loss and the receipt of allogeneic red cell transfusion. Aprotinin appears to be slightly more effective than the lysine analogues in reducing blood loss and the receipt of blood transfusion. However, head to head comparisons show a lower risk of death with lysine analogues when compared with aprotinin. The lysine analogues are effective in reducing blood loss during and after surgery, and appear to be free of serious adverse effects.
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Affiliation(s)
- David A Henry
- Institute of Clinical Evaluative Sciences2075 Bayview AvenueG1 06TorontoOntarioCanadaM4N 3M5
| | - Paul A Carless
- Faculty of Health, University of NewcastleDiscipline of Clinical PharmacologyLevel 5, Clinical Sciences Building, Newcastle Mater HospitalEdith Street, WaratahNewcastleNew South WalesAustralia2298
| | - Annette J Moxey
- Faculty of Health, University of NewcastleResearch Centre for Gender, Health & AgeingLevel 2, David Maddison BuildingCnr King & Watt StreetsNewcastleNew South WalesAustralia2300
| | - Dianne O'Connell
- Cancer CouncilCancer Epidemiology Research UnitPO Box 572Kings CrossSydneyNSWAustralia1340
| | - Barrie J Stokes
- Faculty of Health, University of NewcastleDiscipline of Clinical PharmacologyLevel 5, Clinical Sciences Building, Newcastle Mater HospitalEdith Street, WaratahNewcastleNew South WalesAustralia2298
| | - Dean A Fergusson
- University of Ottawa Centre for Transfusion ResearchOttawa Health Research Institute501 Smyth RoadOttawaOntarioCanadaK1H 8L6
| | - Katharine Ker
- London School of Hygiene & Tropical MedicineCochrane Injuries GroupRoom 135Keppel StreetLondonUKWC1E 7HT
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Carless PA, Rubens FD, Anthony DM, O’Connell D, Henry DA. Platelet-rich-plasmapheresis for minimising peri-operative allogeneic blood transfusion. Cochrane Database Syst Rev 2011:CD004172. [PMID: 21412885 PMCID: PMC4171963 DOI: 10.1002/14651858.cd004172.pub2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Concerns regarding the safety of transfused blood have generated considerable enthusiasm for the use of technologies intended to reduce the use of allogeneic blood (blood from an unrelated donor). Platelet-rich plasmapheresis (PRP) offers an alternative approach to blood conservation. OBJECTIVES To examine the evidence for the efficacy of PRP in reducing peri-operative allogeneic red blood cell (RBC) transfusion, and the evidence for any effect on clinical outcomes such as mortality and re-operation rates. SEARCH STRATEGY We identified studies by searching MEDLINE (1950 to 2009), EMBASE (1980 to 2009), The Cochrane Library (Issue 1, 2009), the Internet (to March 2009) and the reference lists of published articles, reports, and reviews. SELECTION CRITERIA Controlled parallel group trials in which adult patients, scheduled for non-urgent surgery, were randomised to PRP, or to a control group which did not receive the intervention. DATA COLLECTION AND ANALYSIS Primary outcomes measured were: the number of patients exposed to allogeneic RBC transfusion, and the amount of RBC transfused. Other outcomes measured were: the number of patients exposed to allogeneic platelet transfusions, fresh frozen plasma, and cryoprecipitate, blood loss, re-operation for bleeding, post-operative complications (thrombosis), mortality, and length of hospital stay. Treatment effects were pooled using a random-effects model. Trial quality was assessed using criteria proposed by Schulz et al (Schulz 1995). MAIN RESULTS Twenty-two trials of PRP were identified that reported data for the number of patients exposed to allogeneic RBC transfusion. These trials evaluated a total of 1589 patients. The relative risk (RR) of exposure to allogeneic blood transfusion in those patients randomised to PRP was 0.73 (95%CI 0.59 to 0.90), equating to a relative risk reduction (RRR) of 27% and a risk difference (RD) of 19% (95%CI 10% to 29%). However, significant heterogeneity of treatment effect was observed (p < 0.00001; I² = 79%). When the four trials by Boldt are excluded, the RR is 0.76 (95% CI 0.62 to 0.93). On average, PRP did not significantly reduce the total volume of RBC transfused (weighted mean difference [WMD] -0.69, 95%CI -1.93 to 0.56 units). Trials provided inadequate data regarding the impact of PRP on morbidity, mortality, and hospital length of stay. Trials were generally small and of poor methodological quality. AUTHORS' CONCLUSIONS Although the results suggest that PRP is effective in reducing allogeneic RBC transfusion in adult patients undergoing elective surgery, there was considerable heterogeneity of treatment effects and the trials were of poor methodological quality. The available studies provided inadequate data for firm conclusions to be drawn regarding the impact of PRP on clinically important endpoints.
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Affiliation(s)
- Paul A Carless
- Discipline of Clinical Pharmacology, Faculty of Health, University of Newcastle, Newcastle, Australia
| | - Fraser D Rubens
- Department of Surgery, University of Ottawa Heart Institute, Ottawa, Canada
| | - Danielle M Anthony
- Discipline of Clinical Pharmacology, Faculty of Health, University of Newcastle, Newcastle, Australia
| | - Dianne O’Connell
- Cancer Epidemiology Research Unit, Cancer Council, Sydney, Australia
| | - David A Henry
- Institute of Clinical Evaluative Sciences, Toronto, Canada
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Lee JM, Byon HJ, Kim JT, Kim HS, Kim CS. Transfusion-free anesthetic management for open heart surgery in a neonate -A case report-. Korean J Anesthesiol 2011; 59 Suppl:S141-5. [PMID: 21286425 PMCID: PMC3030021 DOI: 10.4097/kjae.2010.59.s.s141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2010] [Revised: 08/06/2010] [Accepted: 08/19/2010] [Indexed: 11/10/2022] Open
Abstract
In small infants or neonates, open heart surgery without transfusion can have many risks regarding inadequate oxygen delivery and coagulopathy. However, if parents refuse blood transfusion, cardiac surgery without transfusion should be considered. We report a case of bloodless cardiac surgery in a 2.89 kg neonate with Jehovah's Witness parents. Blood conserving strategies were used. Preoperatively, erythropoietin and iron were supplemented to increase the hemoglobin level. Intraoperatively, techniques for minimizing blood loss were used, such as reducing priming volume for cardiopulmonary bypass, a blood salvage system, and modified ultrafiltration. Postoperatively, pharmacologic agents were administered and blood sampling was minimized.
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Affiliation(s)
- Jung Min Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
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Henry DA, Carless PA, Moxey AJ, O'Connell D, Stokes BJ, Fergusson DA, Ker K. Anti-fibrinolytic use for minimising perioperative allogeneic blood transfusion. Cochrane Database Syst Rev 2011:CD001886. [PMID: 21249650 DOI: 10.1002/14651858.cd001886.pub3] [Citation(s) in RCA: 192] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Concerns regarding the safety of transfused blood have led to the development of a range of interventions to minimise blood loss during major surgery. Anti-fibrinolytic drugs are widely used, particularly in cardiac surgery, and previous reviews have found them to be effective in reducing blood loss, the need for transfusion, and the need for re-operation due to continued or recurrent bleeding. In the last few years questions have been raised regarding the comparative performance of the drugs. The safety of the most popular agent, aprotinin, has been challenged, and it was withdrawn from world markets in May 2008 because of concerns that it increased the risk of cardiovascular complications and death. OBJECTIVES To assess the comparative effects of the anti-fibrinolytic drugs aprotinin, tranexamic acid (TXA), and epsilon aminocaproic acid (EACA) on blood loss during surgery, the need for red blood cell (RBC) transfusion, and adverse events, particularly vascular occlusion, renal dysfunction, and death. SEARCH STRATEGY We searched: the Cochrane Injuries Group's Specialised Register (July 2010), Cochrane Central Register of Controlled Trials (The Cochrane Library 2010, Issue 3), MEDLINE (Ovid SP) 1950 to July 2010, EMBASE (Ovid SP) 1980 to July 2010. References in identified trials and review articles were checked and trial authors were contacted to identify any additional studies. The searches were last updated in July 2010. SELECTION CRITERIA Randomised controlled trials (RCTs) of anti-fibrinolytic drugs in adults scheduled for non-urgent surgery. Eligible trials compared anti-fibrinolytic drugs with placebo (or no treatment), or with each other. DATA COLLECTION AND ANALYSIS Two authors independently assessed trial quality and extracted data. MAIN RESULTS This review summarises data from 252 RCTs that recruited over 25,000 participants. Data from the head-to-head trials suggest an advantage of aprotinin over the lysine analogues TXA and EACA in terms of reducing perioperative blood loss, but the differences were small. Compared to control, aprotinin reduced the probability of requiring RBC transfusion by a relative 34% (relative risk [RR] 0.66, 95% confidence interval [CI] 0.60 to 0.72). The RR for RBC transfusion with TXA was 0.61 (95% CI 0.53 to 0.70) and was 0.81 (95% CI 0.67 to 0.99) with EACA. When the pooled estimates from the head-to-head trials of the two lysine analogues were combined and compared to aprotinin alone, aprotinin appeared more effective in reducing the need for RBC transfusion (RR 0.90; 95% CI 0.81 to 0.99).Aprotinin reduced the need for re-operation due to bleeding by a relative 54% (RR 0.46, 95% CI 0.34 to 0.62). This translates into an absolute risk reduction of 2% and a number needed-to-treat (NNT) of 50 (95% CI 33 to 100). A similar trend was seen with EACA (RR 0.32, 95% CI 0.11 to 0.99) but not TXA (RR 0.80, 95% CI 0.55 to 1.17). The blood transfusion data were heterogeneous and funnel plots indicate that trials of aprotinin and the lysine analogues may be subject to publication bias.When compared with no treatment aprotinin did not increase the risk of myocardial infarction (RR 0.87, 95% CI 0.69 to 1.11), stroke (RR 0.82, 95% CI 0.44 to 1.52), renal dysfunction (RR 1.10, 95% CI 0.79 to 1.54) or overall mortality (RR 0.81, 95% CI 0.63 to 1.06). Similar trends were seen with the lysine analogues, but data were sparse. These data conflict with the results of recently published non-randomised studies, which found increased risk of cardiovascular complications and death with aprotinin. There are concerns about the adequacy of reporting of uncommon events in the small clinical trials included in this review.When aprotinin was compared directly with either, or both, of the two lysine analogues it resulted in a significant increase in the risk of death (RR 1.39, 95% CI 1.02, 1.89), and a non-significant increase in the risk of myocardial infarction (RR 1.11 95% CI 0.82, 1.50). Most of the data contributing to this added risk came from a single study - the BART trial (2008). AUTHORS' CONCLUSIONS Anti-fibrinolytic drugs provide worthwhile reductions in blood loss and the receipt of allogeneic red cell transfusion. Aprotinin appears to be slightly more effective than the lysine analogues in reducing blood loss and the receipt of blood transfusion. However, head to head comparisons show a lower risk of death with lysine analogues when compared with aprotinin. The lysine analogues are effective in reducing blood loss during and after surgery, and appear to be free of serious adverse effects.
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Affiliation(s)
- David A Henry
- Institute of Clinical Evaluative Sciences, 2075 Bayview Avenue, G1 06, Toronto, Ontario, Canada, M4N 3M5
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Baker P, Dowen D, McMurtry I. The effect of surgeon volume on the need for transfusion following primary unilateral hip and knee arthroplasty. Surgeon 2010; 9:13-7. [PMID: 21195325 DOI: 10.1016/j.surge.2010.08.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2010] [Revised: 08/23/2010] [Accepted: 08/24/2010] [Indexed: 10/19/2022]
Abstract
INTRODUCTION we reviewed transfusion practice following primary hip and knee arthroplasty with emphasis on the relationship between surgeon volume and the need for transfusion. MATERIALS/METHODS review of a consecutive series of 508 primary, elective, unilateral arthroplasties (248 THR/260 TKR) performed over a 12-month period. Data were analysed to determine the overall rate of transfusion and the details of any such transfusion. Secondarily, multivariate regression was performed to determine the effects of surgeon volume and other recorded variables upon the need for transfusion. For the purpose of analysis we classified surgeons doing more than 52 arthroplasties a year as "high volume" and surgeons performing less than this number as "low volume". RESULTS transfusion rates were 10% and 7% following THR and TKR. Multivariate analysis demonstrated that surgeon volume (<52 operations/yr vs. >52 operations/yr) and preoperative Hb<12g/dl were the only significant determinants of a need for postoperative transfusion (p<0.01). High volume and low volume surgeons transfused 5% vs. 17%, respectively (RR=3.3 (95%CI 1.5-9.1) p=0.003) following THR and 4% vs. 13% (RR=3.6 (95%CI 1.4-9.3) p=0.006) following TKR. DISCUSSION AND CONCLUSION High volume surgeons have significantly lower transfusion rates when compared to nationally accepted figures.
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Affiliation(s)
- Paul Baker
- Department of Trauma and Orthopaedics, James Cook University Hospital, Marton Road, Middlesbrough, Teesside TS4 3BW, UK.
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Dorée C, Stanworth S, Brunskill SJ, Hopewell S, Hyde CJ, Murphy MF. Where are the Systematic Reviews in Transfusion Medicine? A Study of the Transfusion Evidence Base. Transfus Med Rev 2010; 24:286-94. [DOI: 10.1016/j.tmrv.2010.05.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Noyes M, Coffey MJ, Brown DM, Mesghali H. Acute compartment syndrome of the forearm following autologous blood reinfusion: a case report. Hand (N Y) 2010; 5:303-6. [PMID: 19866241 PMCID: PMC2920398 DOI: 10.1007/s11552-009-9237-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2009] [Accepted: 10/09/2009] [Indexed: 11/30/2022]
Abstract
Compartment syndrome is a condition with multiple reported etiologies, and permanent disability may ensue if not treated in a timely fashion. We report the first case, to our knowledge, of acute forearm compartment syndrome caused by intravenous autologous blood reinfusion. The patient underwent forearm fasciotomy, and hematoma was encountered deep to the superficial volar fascia, presumably extravasated from the reinfusion catheter. With the rise in the number of knee and hip arthroplasties, surgeons need a heightened awareness of the possible complications and morbidity associated with a presumed increase in autologous blood reinfusion.
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Affiliation(s)
- Matthew Noyes
- Department of Orthopaedic Surgery, Wright State University Boonshoft School of Medicine, 30 E. Apple St, Suite 2200, Dayton, OH 45409 USA
| | - Michael J. Coffey
- Department of Orthopaedic Surgery, Wright State University Boonshoft School of Medicine, 30 E. Apple St, Suite 2200, Dayton, OH 45409 USA
| | - Dennis M. Brown
- Department of Orthopaedic Surgery, Wright State University Boonshoft School of Medicine, 30 E. Apple St, Suite 2200, Dayton, OH 45409 USA ,Good Samaritan Hospital/Montgomery Orthopaedic Surgeons, Dayton, OH USA
| | - Homayoun Mesghali
- Department of Orthopaedic Surgery, Wright State University Boonshoft School of Medicine, 30 E. Apple St, Suite 2200, Dayton, OH 45409 USA ,Good Samaritan Hospital/Montgomery Orthopaedic Surgeons, Dayton, OH USA
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McDonnell NJ, Kennedy D, Long LJ, Gallagher-Swann MC, Paech MJ. The development and implementation of an obstetric cell salvage service. Anaesth Intensive Care 2010; 38:492-9. [PMID: 20514958 DOI: 10.1177/0310057x1003800313] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cell salvage in obstetric haemorrhage is now endorsed by a number of organisations. Most of the literature has focused on isolated case series and safety. We describe how cell salvage, including a quality assurance process conducted prior to clinical implementation, was introduced to our stand-alone obstetric hospital which had no previous experience of this technique. An implementation committee was established and 25 quality assurance and familiarisation cases were initially conducted. As part of this process the alpha fetoprotein, haematocrit, free plasma haemoglobin, potassium and Kleihauer tests were performed when enough blood was available for processing. Our guidelines for clinical use included women at greatly increased risk of obstetric haemorrhage and women at increased risk of haemorrhage who refused traditional transfusion. After the successful completion of this process, cell salvage was signed off for clinical use in March 2007 and was used on 51 occasions between March 2007 and July 2009. Twenty-one patients had salvaged blood re-transfused and for seven patients this was their only red blood cell replacement. The median blood loss in patients re-transfused was 3000 ml (range <500 to 8500 ml), with the median volume re-transfused 359 mi (range 60 to 1300 ml). There was one episode of unexplained hypotension associated with administration of salvaged blood. We have successfully introduced obstetric cell salvage into clinical practice. A quality assurance process prior to implementation was beneficial for the staff involved. Despite targeting a high-risk obstetric population, our re-transfusion rates are approximately 40%. No serious adverse events have been recorded. We recommend that in units that already provide intraoperative cell salvage in a non-obstetric setting, extending the service into obstetric situations should be considered. Units that routinely care for high-risk obstetric patients should also consider the introduction of such a service. Post transfusion Kleihauer testing should be performed as soon as possible in Rhesus-negative mothers who deliver a Rhesus-positive foetus, so that appropriate anti-D prophylaxis can be administered.
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Affiliation(s)
- N J McDonnell
- Department of Anaesthesia and Pain Medicine, King Edward Memorial Hospital for Women, University of Western Australia, Perth, Western Australia, Australia.
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