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Clinical Outcomes, Blood Utilization, and Ethical Considerations for Pediatric Patients in a Bloodless Medicine and Surgery Program. Anesth Analg 2024; 138:465-474. [PMID: 38175737 DOI: 10.1213/ane.0000000000006776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
BACKGROUND Pediatric patients requesting bloodless care represent a challenging clinical situation, as parents cannot legally refuse lifesaving or optimal interventions for their children. Here, we report clinical outcomes for the largest series of pediatric inpatients requesting bloodless care and also discuss the ethical considerations. METHODS We performed a single-institution retrospective cohort study assessing 196 pediatric inpatients (<18 years of age) who requested bloodless care between June 2012 and June 2016. Patient characteristics, transfusion rates, and clinical outcomes were compared between pediatric patients receiving bloodless care and those receiving standard care (including transfusions if considered necessary by the clinical team) (n = 37,271). Families were informed that all available measures would be undertaken to avoid blood transfusions, although we were legally obligated to transfuse blood if the child's life was threatened. The primary outcome was composite morbidity or mortality. Secondary outcomes included percentage of patients transfused, individual morbid events, length of stay, total hospital charges, and total costs. Subgroup analyses were performed after stratification into medical and surgical patients. RESULTS Of the 196 pediatric patients that requested bloodless care, 6.1% (n = 12) received an allogeneic blood component, compared to 9.1% (n = 3392) for standard care patients ( P = .14). The most common indications for transfusion were perioperative bleeding and anemia of prematurity. None of the transfusions were administered under a court order. Overall, pediatric patients receiving bloodless care exhibited lower rates of composite morbidity compared to patients receiving standard care (2.6% vs 6.2%; P = .035). There were no deaths in the bloodless cohort. Individual morbid events, length of stay, and total hospital charges/costs were not significantly different between the 2 groups. After multivariable analysis, bloodless care was not associated with a significant difference in composite morbidity or mortality (odds ratio [OR], 0.37; 95% confidence interval [CI], 0.12-1.11; P = .077). CONCLUSIONS Pediatric patients receiving bloodless care exhibited similar clinical outcomes compared to patients receiving standard care, although larger studies with adequate power are needed to confirm this finding. There were no mortalities among the pediatric bloodless cohort. Although a subset of our pediatric bloodless patients received an allogeneic transfusion, no patients required a court order. When delivered in a collaborative and patient-centered manner, blood transfusions can be safely limited among pediatric patients.
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Optimizing Safety and Success: The Advantages of Bloodless Cardiac Surgery. A Systematic Review and Meta-Analysis of Outcomes in Jehovah's Witnesses. Curr Probl Cardiol 2024; 49:102078. [PMID: 37716536 DOI: 10.1016/j.cpcardiol.2023.102078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 09/11/2023] [Indexed: 09/18/2023]
Abstract
Transfusions are extremely frequent after cardiac surgery, and they have a considerable economic burden and impact on outcomes. Optimal patient blood management could play a fundamental role in reducing the rate of transfusion and Jehovah's Witnesses (JW) represent the ideal surrogate study population. This meta-analysis compares outcomes of JWs and non-JWs' patients undergoing cardiac surgery, assessing the safety of a bloodless cardiac surgery. A scoping review was conducted using a search strategy for studies assessing outcomes of JW undergoing cardiac surgery. The primary outcome was perioperative mortality, and a random-effects meta-analysis was performed. Ten studies were included in our meta-analysis, involving 780 JW patients refusing any type of transfusion ("JW") and 1182 patients accepting transfusion if needed ("non-JW"). 86% of non-JW patients received at least 1 transfusion. There was no significant difference in terms of perioperative mortality (OR 0.91; 95% CI 0.55-1.52; p = 0.72). The volume blood loss was significantly less in the JW (p = 0.001), while the rate of reoperation for bleeding was also lower, but not statistically significative, in the JW (p = 0.16). Both preoperative and postoperative hemoglobin and hematocrit were significantly higher in the JW. Therefore, we concluded that bloodless cardiac surgery is safe and early outcomes are similar between JW and non-JW patients: optimal patient blood management is fundamental in guarantying these results. Further studies are needed to assess if a limitation of transfusion could have a positive long-term impact on outcomes.
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Bloodless surgery in urologic oncology: A review of hematologic, anesthetic, and surgical considerations. Urol Oncol 2022; 41:192-203. [PMID: 36470804 DOI: 10.1016/j.urolonc.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/01/2022] [Accepted: 11/11/2022] [Indexed: 12/03/2022]
Abstract
The urologic oncology patient who refuses blood transfusion can present unique challenges in perioperative blood management. Since blood loss and associated transfusion can be expected in many complex urologic oncology surgeries, a multidisciplinary approach may be required for optimal outcomes. Through collaboration with the hematologist, anesthesiologist, and urologist, various techniques can be employed in the perioperative phases to minimize blood loss and the need for transfusion. We review the risks and benefits of these techniques and offer recommendations specific to the urologic oncology patient.
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Bloodless surgery and gynecological patients among Jehovahs Witnesses. CESKA GYNEKOLOGIE-CZECH GYNAECOLOGY 2021; 86:110-113. [PMID: 34020557 DOI: 10.48095/cccg2021110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The aim of this research is to present our experiences with the surgical treatment of gynecological patients among Jehovahs Witnesses. Moreover, the medical, moral, and ethical problems in this regard have been highlighted. METHODS 75 Jehovahs Witnesses patients were operated on for various benign and malignant gynecological diseases between 2007 and 2018. All of these patients were operated on according to the rules of blood-sparing surgery. RESULTS The operations were assessed according to the dia-gnosis, mode of surgery, estimated blood loss, and disease outcome. Excessive blood loss did not occur during any of these operations, and the estimated blood loss for the same procedure was 10 to 550 mL. CONCLUSION Jehovahs Witnesses gynecological patients is a group of high-risk patients because they refuse to undergo blood transfusion. Nevertheless, the principles of blood-sparing surgery should be applied to not only Jehovahs Witnesses patients but also to all patients in general. Even if a blood transfusion is the last resort to solve issues pertaining to excessive blood loss during complicated operations, the said procedure always carries certain risks. Therefore, blood transfusion should be performed only on rare occasions. Jehovahs Witnesses patients categorically refuse blood transfusion even if it is the only way to save ones life. Even though the legislation of the Czech Republic deals with this problem, there are other moral and ethical aspects that need to be addressed in this regard.
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Triage tool for the rationing of blood for massively bleeding patients during a severe national blood shortage: guidance from the National Blood Transfusion Committee. Br J Haematol 2020; 191:340-346. [PMID: 32436251 PMCID: PMC7280686 DOI: 10.1111/bjh.16736] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/20/2020] [Accepted: 04/20/2020] [Indexed: 11/30/2022]
Abstract
The emerging COVID-19 pandemic has overwhelmed healthcare resources worldwide, and for transfusion services this could potentially result in rapid imbalance between supply and demand due to a severe shortage of blood donors. This may result in insufficient blood components to meet every patient's needs resulting in difficult decisions about which patients with major bleeding do and do not receive active transfusion support. This document, which was prepared on behalf of the National Blood Transfusion Committee in England, provides a framework and triage tool to guide the allocation of blood for patients with massive haemorrhage during severe blood shortage. Its goal is to provide blood transfusions in an ethical, fair, and transparent way to ensure that the greatest number of life years are saved. It is based on an evidence- and ethics-based Canadian framework, and would become operational where demand for blood greatly exceeds supply, and where all measures to manage supply and demand have been exhausted. The guidance complements existing national shortage plans for red cells and platelets.
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Pancreatic resections in patients who refuse blood transfusions. The application of a perioperative protocol for a true bloodless surgery. Pancreatology 2020; 20:1550-1557. [PMID: 32950387 DOI: 10.1016/j.pan.2020.08.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/16/2020] [Accepted: 08/26/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND The refusal of blood transfusions compels surgeons to face ethical and clinical issues. A single-institution experience with a dedicated perioperative blood management protocol was reviewed to assess feasibility and short-term outcomes of true bloodless pancreatic surgery. METHODS The institutional database was reviewed to identify patients who refused transfusion and were scheduled for elective pancreatic surgery from 2010 through 2018. A protocol to optimize the hemoglobin values by administration of drugs stimulating erythropoiesis was systematically used. RESULTS Perioperative outcomes of 32 Jehovah's Witnesses patients were included. Median age was 67 years (range, 31-77). Nineteen (59.4%) patients were treated with preoperative erythropoietin. Twenty-four (75%) patients underwent pylorus-preserving pancreaticoduodenectomy, 4 (12.5%) distal pancreatectomy (DP) with splenectomy, 3 (9.4%) spleen-preserving DP, and 1 (3.1%) total pancreatectomy. Median estimated blood loss and surgical duration were 400 mL (range, 100-1000) and 470 min (range, 290-595), respectively. Median preoperative hemoglobin was 13.9 g/dL (range, 11.7-15.8) while median postoperative nadir hemoglobin was 10.5 g/dL (range, 7.1-14.1). The most common histological diagnosis (n = 15, 46.9%) was pancreatic ductal adenocarcinoma. Clavien-Dindo grade I-II complications occurred in fourteen (43.8%) patients while one (3.1%) patient had a Clavien-Dindo grade IIIa complication wich was an abdominal collection that required percutaneous drainage. Six (18.8%) patients presented biochemical leak or postoperative pancreatic fistula grade B. Median hospital stay was 16 days (range, 8-54) with no patient requiring transfusion or re-operation and no 90-day mortality. CONCLUSIONS A multidisciplinary approach and specific perioperative management allowed performing pancreatic resections in patients who refused transfusion with good short-term outcomes.
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Bloodless Repair for a 3.6 Kilogram Transposition of the Great Arteries with Jehovah's Witness Faith. THE JOURNAL OF EXTRA-CORPOREAL TECHNOLOGY 2017; 49:307-311. [PMID: 29302123 PMCID: PMC5737419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
Achieving pediatric cardiac surgery using cardiopulmonary bypass (CPB) without allogeneic blood transfusion is challenging. There are many clinical and economic factors that point to the importance of avoiding blood transfusions. In some instances, honoring patients or parents beliefs may be the reason for avoiding blood transfusions. For example, patients or parents of the Jehovah's Witness faith refuse blood transfusion based on their religious beliefs. Over the last decade, our institution has seen a steady increase in our pediatric Jehovah's Witness patient population. Caring for these patients have allowed us to develop specific protocols that enable us to safely provide bloodless CPB in all of our patient populations. The success of such an approach to minimize the need for blood transfusions should not start in the operating room; it must include the preoperative period and the postoperative care by the critical care team in the cardiac intensive care unit (CICU). A multidisciplinary team approach has to be in place with clear communication between the cardiologist, anesthesiologist, cardiac surgeon, perfusionist, and the cardiac intensivist. We present a case of a 7 day old male (3.6 kg) with a preoperative diagnosis of Transposition of the Great Arteries and intact ventricular septum who underwent an arterial switch procedure without the transfusion of any blood products throughout his entire hospital stay.
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Tranexamic Acid and Computer-Assisted Surgery in Cemented and Cementless Total Knee Arthroplasty: Are the Effects Additive for Blood Conservation? Surg Technol Int 2017; 30:268-273. [PMID: 28395389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
INTRODUCTION Efforts continue to minimize blood loss associated with total knee arthroplasty (TKA). The primary objective of this study was to determine whether computer-assisted surgery (CAS) and tranexamic acid (TXA) were additive in minimizing blood loss in cemented TKA. The secondary objective was to assess the combined effectiveness of CAS and TXA in cementless TKA. MATERIALS AND METHODS A retrospective study of 393 consecutive primary TKAs with cemented and cementless fixation was performed. Cemented and cementless fixation TKA cohorts were divided into three subgroups: (1) neither CAS nor TXA was used, (2) CAS alone was used, or (3) CAS plus TXA was used. Three blood loss metrics were calculated: (1) postoperative change in hemoglobin, (2) total drain output, and (3) calculated total blood loss. RESULTS After exclusions, 267 cemented TKAs and 35 cementless or hybrid TKAs were available for analysis. In cemented TKAs, the mean postoperative hemoglobin decrease was 2.9 g/dL in patients without CAS or TXA, 2.5 g/dL in the CAS only group, and 2.1 g/dL in the CAS and TXA group (p = 0.001). Median total drain output was lower in the CAS plus TXA group (230 ml) compared to the CAS alone (442.5 ml), and the neither CAS nor TXA group (620 ml) (p = 0.001). Mean calculated total blood loss was 1258.7 ml in the group with neither CAS nor TXA, 1023.8 ml in CAS alone, and 869.1 ml for both the CAS and TXA group (p = 0.001). In cementless TKA, the postoperative hemoglobin drop decreased from 3.3 g/dL in the neither CAS nor TXA group to 2.5 g/dL with CAS alone and 1.9 g/dL in the CAS plus TXA (p = 0.024). Mean total drain output progressively declined with CAS alone and for those with CAS plus TXA compared to those without CAS or TXA (p = 0.004). CONCLUSIONS An encouraging additive decrease in blood loss after TKA can occur with utilization of both CAS and TXA. The additive effect of both modalities appears to exist in cemented and cementless fixation techniques. Whether this blood conservation will result in improved patient outcomes remains unknown and should be the topic of further study.
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MESH Headings
- Adult
- Aged
- Antifibrinolytic Agents/therapeutic use
- Arthroplasty, Replacement, Knee/adverse effects
- Arthroplasty, Replacement, Knee/methods
- Arthroplasty, Replacement, Knee/statistics & numerical data
- Blood Loss, Surgical/statistics & numerical data
- Bloodless Medical and Surgical Procedures
- Bone Cements/therapeutic use
- Hemoglobins/analysis
- Humans
- Middle Aged
- Retrospective Studies
- Surgery, Computer-Assisted/adverse effects
- Surgery, Computer-Assisted/methods
- Surgery, Computer-Assisted/statistics & numerical data
- Tranexamic Acid/therapeutic use
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Is it safe to decrease hemodynamic parameters to achieve bloodless surgical field during transnasal endoscopic procedures? Our experience in fifteen patients. Clin Otolaryngol 2014; 38:326-9. [PMID: 23441624 DOI: 10.1111/coa.12105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/19/2013] [Indexed: 12/01/2022]
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Blood management strategies for total hip arthroplasty in Jehovah's witness patients. Surg Technol Int 2014; 24:338-343. [PMID: 24347482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Total hip arthroplasty is associated with extensive blood loss, which is often corrected using allogeneic blood transfusions. However, Jehovah's Witnesses often refuse allogeneic blood transfusions or certain types of autologous blood transfusions due to their religious beliefs. This may represent a tremendous challenge for the orthopaedic surgeon and their team. Performing a total hip arthroplasty on a Jehovah's Witness patient requires a well-trained group of physicians willing to pre-operatively optimize the patient, attempt to minimize the blood loss during the surgery, adequately manage the post-operative period, and be aware of which of the life-saving strategies can be used in these patients during an emergency situation. Ultimately, physicians should be prepared to deal with marked blood loss and respect the patients' wishes, values, and beliefs. This review focuses on studies where primary or revision total hip arthroplasty was performed in Jehovah's Witness patients. Therefore, we will illustrate that with a prepared team and an optimized patient, it is potentially quite safe to perform total hip arthroplasties in Jehovah's Witness patients.
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[Possibilities of transfusion therapy in surgical practice]. VESTNIK KHIRURGII IMENI I. I. GREKOVA 2014; 173:92-99. [PMID: 25055545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The up-to-date possibilities of transfusion therapy are presented in the article. The authors analyzed their own experience and made a review of literature. The study considers the mechanisms of treatment, immunological and infectious risks, indications and contraindications for application of transfusion therapy in surgical practice.
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Bloodless surgery in a pediatric Jehovah's Witness. THE JOURNAL OF EXTRA-CORPOREAL TECHNOLOGY 2013; 45:251-253. [PMID: 24649574 PMCID: PMC4557499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 10/01/2013] [Indexed: 06/03/2023]
Abstract
Pediatric cardiac surgery in Jehovah's Witness patients who refuse the use of blood products remains a challenge because of the extreme hemodilution caused by priming the circuit and subsequent cardiopulmonary bypass. We report our successful strategy for reducing the prime volume for a 2-year-old Jehovah's Witness patient who required open heart surgery. We modified our conventional bypass circuit requirements for this size child by incorporating a lower prime oxygenator and reducing the size of the venous line and circuit, which decreased the circuit prime volume. We managed to reduce our initial sanguineous prime volume from 315 to 210 mL. The prime was further reduced to 160 mL by minimizing circuit length at the field and with venous prime sequestration prebypass. The postbypass hematocrit was 31%. Bloodless pediatric cardiac surgery in Jehovah's Witness patients can be performed safely. Incorporating a lower prime oxygenator into a revised circuit alleviated the need for blood transfusion and allowed us to achieve our calculated flow rate of 2.6 L/min/m2 while maintaining a hematocrit of 31%.
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Abstract
Primary total hip arthroplasty (THA) and revision THA are associated with blood loss that can be significant. The purpose of this retrospective study was to compare the efficacy of intra-arterial occlusive balloons in reducing blood loss during primary and revision THA. Twelve patients (Jehovah’s Witnesses) scheduled for a primary (n=6) or revision (n=6) THA who refused blood transfusions were compared with 48 control-matched patients (primary THA, n=24; revision THA, n=24). All Jehovah’s Witnesses received an intra-arterial balloon preoperatively, and all control patients underwent conventional surgery. Intraoperatively, balloons were periodically inflated to reduce blood loss and deflated to prevent limb ischemia. Endpoints for the study were estimated blood loss, perioperative hemoglobin, mean hospital stay, mean operative time, amount of intraoperative fluid or blood administered, and complications. None of the patients with an occlusive balloon received blood, whereas the primary THA group received an average of 0.6 units (P=.08) and the revision THA group received an average of 1.9 units (P=.02). Estimated blood loss was significantly decreased in the balloon group compared with the primary THA group (145 vs 402 mL, respectively; P<.01) and the revision THA group (333 vs 767 mL, respectively; P<.01). No complications were associated with the intra-arterial balloons. All patients showed a significant reduction in hemoglobin immediately postoperatively compared with preoperative values. No statistically significant differences existed in the amount of fluids given intraoperatively or the mean hospital stay among all groups. Temporary internal tourniquets used as an adjuvant to surgery significantly reduce intraoperative blood loss during primary and revision THA.
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Repair of a large main pulmonary artery aneurysm in a 71-year-old Jehovah's Witness patient. Tex Heart Inst J 2013; 40:350-352. [PMID: 23914038 PMCID: PMC3709207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Pulmonary artery aneurysm is a rarely reported and poorly studied entity; most mentions in the literature are in case series and case reports. Cardiac surgery in Jehovah's Witness patients is occurring more frequently because of improved techniques of blood conservation. We report the repair of a large pulmonary artery aneurysm in a 71-year-old woman who was a Jehovah's Witness. Using total cardiopulmonary bypass, we replaced the main pulmonary artery and both branches with Gelweave tube-grafts, because the fragility of a homograft presented possible bleeding problems. The patient recovered rapidly, and her symptoms were greatly improved. We think that a patient's status as a Jehovah's Witness need not preclude potentially life-saving cardiac operations.
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Bloodless extracorporeal membrane oxygenation in the Jehovah's Witness patient. THE JOURNAL OF EXTRA-CORPOREAL TECHNOLOGY 2012; 44:39-42. [PMID: 22730863 PMCID: PMC4557438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/12/2011] [Accepted: 12/10/2011] [Indexed: 06/01/2023]
Abstract
The successful use of prolonged extracorporeal life support with a heart-lung machine was first performed in 1972, as described by Hill et al., on a young man with post-traumatic respiratory failure. The first successful use of extracorporeal membrane oxygenation (ECMO) was 1976 by Bartlett et al. Since this time, the use of ECMO for neonatal and pediatric pulmonary support has become a standard of care in many children's hospitals. The use of ECMO, being a very invasive procedure, is not without risk. In our experience, most patients require multiple transfusions of the different blood components (packed red blood cells, plasma, platelets, and cryoprecipitate). Exposure to one or more blood products often occurs with connection to the ECMO circuit, as the circuit is generally primed with blood products or whole blood. Jehovah's Witnesses (JWs) are known best in the medical community for their refusal of blood products, even at the risk of death, which presents challenges for health care providers. This belief stems from the biblical passages that have been quoted as forbidding transfusion: Genesis 9:3-4, Leviticus 17:13-14, and Acts 15:19-21. This refusal of blood poses even greater challenges when treating the pediatric JW population. When a blood product is deemed medically necessary for the JW patient, the healthcare provider must either seek legal intervention, or support the patient's/family's wishes and associated outcome. This ethical dilemma may be further complicated in the setting of therapies, which may pose additional risks and potentially less clear benefit such as with ECMO. Bloodless cardiac surgery with cardiopulmonary bypass has been reported in the JW population in adults and pediatrics, including neonates. After a thorough search of the literature, no published report of a JW patient being supported on ECMO without blood or blood component utilization was identified. This case report will present our experience with multiple day, bloodless ECMO support of a 17-year-old male patient of the JW faith.
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[Current possibilities and future of bloodless heart surgery under hypothermia]. MAROC MEDICAL 1958; 37:1290-9. [PMID: 13632154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
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[Use of hypothermia in bloodless heart surgery: experimental study]. REVISTA BRASILEIRA DE TUBERCULOSE E DOENCAS TORACICAS 1958; 26:1287-352. [PMID: 13614821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
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19
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[Present state of bloodless heart surgery with heart-lung apparatus and artificial cardiac arrest]. MUNCHENER MEDIZINISCHE WOCHENSCHRIFT (1950) 1958; 100:523-8. [PMID: 13552654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
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[Bloodless surgery of the heart with the Lillehei-Dewall system of pump-oxygenator]. SRP ARK CELOK LEK 1957; 85:1274-80. [PMID: 13529414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
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[Problems in anesthesia in cardiovascular surgery. II. Bloodless heart surgery]. REVISTA ESPANOLA DE ANESTESIOLOGIA 1957; 4:321-65. [PMID: 13466423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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[Clamping of the hepatic pedicule under hypothermia; possibility of bloodless hepatic surgery: experimental study in dogs]. AFRIQUE FRANCAISE CHIRURGICALE 1957; 15:333-43. [PMID: 13469681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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23
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[Importance of the sino-auricular node artery in heart surgery; routes of approach to the right atrium in bloodless surgery]. MINERVA CHIR 1957; 12:727-32. [PMID: 13464509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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[Bloodless intracardiac surgery by the method of circulatory shunting without extracorporeal oxygenation; experimental work]. JORNAL DO MEDICO 1957; 32:785-7; passim. [PMID: 13415796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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25
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[Experimental assay with control of ventricular fibrillation in bloodless heart surgery in hypothermia]. ACTA PHYSIOLOGICA POLONICA 1957; 8:515-7. [PMID: 13532882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
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[Possibility of the application of cardiac arrest from potassium hydrochloride in bloodless surgery of the heart in general controlled hypothermia]. BOLLETTINO DELLA SOCIETA ITALIANA DI BIOLOGIA SPERIMENTALE 1956; 32:1499-502. [PMID: 13446108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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[Experimental angiocardiographic study of air emboli in bloodless heart surgery]. ANESTHESIE ET ANALGESIE 1956; 13:817-34. [PMID: 15444976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
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[Widening of the limits of the pump oxygenator system of Lillehei-De Wall for bloodless heart surgery; experimental study of two modifications facilitating use of extracorporeal circulation in adults]. LA PRESSE MEDICALE 1956; 64:1162-4. [PMID: 13350097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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[Preliminary experimental results in France of bloodless cardiac surgery with the Lillehei-De Wall pumpoxygenator system]. LA PRESSE MEDICALE 1956; 64:869-72. [PMID: 13335918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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30
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[Complications in bloodless intracardiac surgery under hypothermia]. EKSPERIMENTAL'NAIA KHIRURGIIA 1956; 1:11-8. [PMID: 13356769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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[Development of bloodless cardiac surgery under direct vision]. LILLE CHIRURGICAL 1956; 11:130-1. [PMID: 13333213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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32
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[Bloodless surgery by means of hypotension caused by arfonad]. NEDERLANDSCH TIJDSCHRIFT VOOR VERLOSKUNDE EN GYNAECOLOGIE 1956; 56:33-6. [PMID: 13309559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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33
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[Drug-induced cardiac arrest in bloodless endocardial surgery]. ACTA CHIRURGICA ITALICA 1956; 12:43-62. [PMID: 13326130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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34
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[Arfonad as a means of bloodless surgery under hypotension]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1955; 99:3195-202. [PMID: 13279993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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35
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[Introduction to bloodless surgery of the heart; various aspects of surgical anatomy]. MINERVA CHIR 1955; 10:511-28; contd. [PMID: 13244427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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36
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[Bloodless surgery of the heart by means of temporary ligatures of venae cavae in a monkey; preliminary report]. TOULOUSE MEDICAL 1954; 55:686-92. [PMID: 14359345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
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37
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[Experimental study of bloodless surgery of the right ventricle under hibernation]. MARSEILLE CHIRURGICAL 1954; 6:376-84. [PMID: 13223044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
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38
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[Extracorporeal circulation; conditions for bloodless intracardiac operations]. MARSEILLE CHIRURGICAL 1954; 6:334-45. [PMID: 13223036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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39
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[Experimental bloodless surgery of the heart and great vessels with general controlled hypothermia]. Minerva Med 1954; 45:605-12. [PMID: 13165208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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40
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[Bloodless surgery by hypotension]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1953; 97:1348-54. [PMID: 13072732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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41
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[Bloodless surgery in exeresis for tumors of the face and neck with general and local anesthesia]. LES ANNALES D'OTO-LARYNGOLOGIE 1952; 69:553-6. [PMID: 13031264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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42
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[General anesthesia and bloodless surgery in the excision of jaw tumors]. LA SEMAINE DES HOPITAUX : ORGANE FONDE PAR L'ASSOCIATION D'ENSEIGNEMENT MEDICAL DES HOPITAUX DE PARIS 1952; 28:1304-6. [PMID: 12994907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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43
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[Bloodless surgery with the ganglion blocking agent pendiomid and positioning of the patient]. Dtsch Med Wochenschr 1952; 77:460-2. [PMID: 12988776 DOI: 10.1055/s-0028-1115994] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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44
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[Bloodless surgery by controlled circulation]. Acta Chir Belg 1951; 50:634-47. [PMID: 14923156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
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45
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[Bloodless surgery by means of controlled hypotension]. MEMOIRES. ACADEMIE DE CHIRURGIE (FRANCE) 1951; 77:775-8. [PMID: 14874921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
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