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Netz A, Hof L, Rumpf F, Blum LV, Neef V, Kerner A, Zacharowski K, Meybohm P, Choorapoikayil S. Adjusting Current Hemoglobin Thresholds: A Way to Improve Outcome in Women Undergoing Major Surgery. J Womens Health (Larchmt) 2024; 33:678-684. [PMID: 38530069 DOI: 10.1089/jwh.2023.0665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024] Open
Abstract
Background/Objective: In the perioperative setting, a suboptimal total hemoglobin (Hb) mass puts women and men at an unreasonable disadvantage. Anemia is an independent risk factor for transfusion, postoperative complications, and mortality. The Hb cut-off value for women was set at <12.0 g/dL by the World Health Organization (WHO) and has been rigorously debated for decades. The aim of this study was to elucidate the risk for postoperative complications in female patients with Hb levels < 12.0, 12.0-12.9, and ≥13.0 g/dL. Material and Methods: Single-center retrospective analysis of female patients undergoing major surgery. Results: In total, 6,516 patients ≥18 years of age had major surgery between 2018 and 2019 and 2,446 female patients were included in analysis. Mean age was 67.4 ± 16.6, 66.4 ± 15.6, and 64.5 ± 15.5 years in female patients with preoperative Hb levels <12.0, 12.0-12.9 and ≥13.0 g/dL, respectively. The transfusion rate of red blood cells (RBCs) was significantly higher in female patients with Hb <12.0 g/dL (53%) and with Hb 12.0-12.9 g/dL (31%) compared to female patients ≥13.0 g/dL (22%). Rates of pneumonia, acute kidney injury, and sepsis were significantly higher in patients with Hb <12.0 and 12.0-12.9 g/dL compared to patients with Hb ≥13.0 g/dL. Total length of hospital stay was significantly longer in female patients with Hb <12.0 g/dL than patients with Hb 12.0-12.9 g/dL and Hb ≥13.0 g/dL (10 days vs. 8 days). Conclusion: Taken together, our data show that Hb values below 12.9 g/dL are associated with increased probability of RBC transfusions and increased risk of postoperative complications. In addition, our results indicate that postoperative outcomes for women might be optimized by increasing cut-off values for anemia. The call to revise the anemia threshold for women by the WHO can no longer be disregarded.
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Affiliation(s)
- Alina Netz
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
| | - Lotta Hof
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
| | - Florian Rumpf
- University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, Würzburg, Germany
| | - Lea Valeska Blum
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
| | - Vanessa Neef
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
| | - Anja Kerner
- Goethe University Frankfurt, University Hospital, Institute of Medical Informatics (IMI), Frankfurt am Main, Germany
- University Hospital, Department of Information and Communication Technology (DICT), Data Integration Center (DIC), Frankfurt am Main, Germany
| | - Kai Zacharowski
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
| | - Patrick Meybohm
- University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, Würzburg, Germany
| | - Suma Choorapoikayil
- Goethe University Frankfurt, University Hospital Frankfurt, Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, Frankfurt, Germany
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Predictors for blood loss and transfusion frequency to guide blood saving programs in primary knee- and hip-arthroplasty. Sci Rep 2021; 11:4386. [PMID: 33623079 PMCID: PMC7902666 DOI: 10.1038/s41598-021-82779-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 01/08/2021] [Indexed: 12/14/2022] Open
Abstract
Endoprosthetic surgery can lead to relevant blood loss resulting in red blood cell (RBC) transfusions. This study aimed to identify risk factors for blood loss and RBC transfusion that enable the prediction of an individualized transfusion probability to guide preoperative RBC provision and blood saving programs. A retrospective analysis of patients who underwent primary hip or knee arthroplasty was performed. Risk factors for blood loss and transfusions were identified and transfusion probabilities computed. The number needed to treat (NNT) of a potential correction of preoperative anemia with iron substitution for the prevention of RBC transfusion was calculated. A total of 308 patients were included, of whom 12 (3.9%) received RBC transfusions. Factors influencing the maximum hemoglobin drop were the use of drain, tranexamic acid, duration of surgery, anticoagulation, BMI, ASA status and mechanical heart valves. In multivariate analysis, the use of a drain, low preoperative Hb and mechanical heart valves were predictors for RBC transfusions. The transfusion probability of patients with a hemoglobin of 9.0–10.0 g/dL, 10.0–11.0 g/dL, 11.0–12.0 g/dL and 12.0–13.0 g/dL was 100%, 33.3%, 10% and 5.6%, and the NNT 1.5, 4.3, 22.7 and 17.3, while it was 100%, 50%, 25% and 14.3% with a NNT of 2.0, 4.0, 9.3 and 7.0 in patients with a drain, respectively. Preoperative anemia and the insertion of drains are more predictive for RBC transfusions than the use of tranexamic acid. Based on this, a personalized transfusion probability can be computed, that may help to identify patients who could benefit from blood saving programs.
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Gómez-Ramírez S, Maldonado-Ruiz MÁ, Campos-Garrigues A, Herrera A, Muñoz M. Short-term perioperative iron in major orthopedic surgery: state of the art. Vox Sang 2018; 114:3-16. [DOI: 10.1111/vox.12718] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 08/13/2018] [Accepted: 09/18/2018] [Indexed: 12/11/2022]
Affiliation(s)
| | | | | | - Antonio Herrera
- Ortopaedic and Trauma Surgery; School of Medicine; Zaragoza Spain
| | - Manuel Muñoz
- Perioperative Transfusion Medicine; School of Medicine; Málaga Spain
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Muñoz M, Acheson AG, Bisbe E, Butcher A, Gómez‐Ramírez S, Khalafallah AA, Kehlet H, Kietaibl S, Liumbruno GM, Meybohm P, Rao Baikady R, Shander A, So‐Osman C, Spahn DR, Klein AA. An international consensus statement on the management of postoperative anaemia after major surgical procedures. Anaesthesia 2018; 73:1418-1431. [PMID: 30062700 PMCID: PMC6686161 DOI: 10.1111/anae.14358] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/28/2018] [Indexed: 01/28/2023]
Abstract
Despite numerous guidelines on the management of anaemia in surgical patients, there is no pragmatic guidance for the diagnosis and management of anaemia and iron deficiency in the postoperative period. A number of experienced researchers and clinicians took part in a two-day expert workshop and developed the following consensus statement. After presentation of our own research data and local policies and procedures, appropriate relevant literature was reviewed and discussed. We developed a series of best-practice and evidence-based statements to advise on patient care with respect to anaemia and iron deficiency in the postoperative period. These statements include: a diagnostic approach to iron deficiency and anaemia in surgical patients; identification of patients appropriate for treatment; and advice on practical management and follow-up that is easy to implement. Available data allow the fulfilment of the requirements of Pillar 1 of Patient Blood Management. We urge national and international research funding bodies to take note of these recommendations, particularly in terms of funding large-scale prospective, randomised clinical trials that can most effectively address the important clinical questions and this clearly unmet medical need.
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Affiliation(s)
- M. Muñoz
- Department of Surgical Specialties, Biochemistry and ImmunologySchool of MedicineUniversity of MálagaMálagaSpain
| | - A. G. Acheson
- Department of Colorectal SurgeryNottingham Digestive Diseases CentreNational Institute for Health Research Biomedical Research UnitNottingham University HospitalsNottinghamUK
| | - E. Bisbe
- Department of AnaesthesiaUniversity Hospital Mar‐EsperanzaBarcelonaSpain
| | - A. Butcher
- Division of SurgeryUniversity College LondonLondonUK
| | - S. Gómez‐Ramírez
- Department of Internal MedicineUniversity Hospital Virgen de la VictoriaMálagaSpain
| | - A. A. Khalafallah
- Department of Haematology and MedicineLaunceston General HospitalLauncestonAustralia
- Menzies Institute for Medical ResearchUniversity of TasmaniaAustralia
| | - H. Kehlet
- Section of Surgical PathophysiologyRigshospitalet Copenhagen University HospitalCopenhagenDenmark
| | - S. Kietaibl
- Department of Anaesthesia and Intensive CareEvangelical HospitalViennaAustria
| | - G. M. Liumbruno
- Italian National Blood CentreNational Institute of HealthRomeItaly
| | - P. Meybohm
- Department of AnaesthesiologyIntensive Care Medicine and Pain TherapyUniversity Hospital FrankfurtFrankfurtGermany
| | - R. Rao Baikady
- Department of AnaesthesiaRoyal Marsden NHS Foundation TrustLondonUK
| | - A. Shander
- AnaesthesiologyCritical Care and Hyperbaric MedicineEnglewood Hospital and Medical CentreEnglewoodNJUSA
- TeamHealth Research InstituteEnglewoodNJUSA
| | - C. So‐Osman
- Department of Transfusion MedicineSanquin Blood BankAmsterdamThe Netherlands
- Department of Internal MedicineGroene Hart HospitalGoudaThe Netherlands
| | - D. R. Spahn
- Institute of AnaesthesiologyUniversity Hospital of ZurichZurichSwitzerland
- Intensive Care Medicine and Operating Room ManagementUniversity Hospital of ZurichZurichSwitzerland
| | - A. A. Klein
- Department of Anaesthesia and Intensive CareRoyal Papworth HospitalCambridgeUK
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Blaudszun G, Munting KE, Butchart A, Gerrard C, Klein AA. The association between borderline pre-operative anaemia in women and outcomes after cardiac surgery: a cohort study. Anaesthesia 2018; 73:572-578. [DOI: 10.1111/anae.14185] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2017] [Indexed: 12/15/2022]
Affiliation(s)
- G. Blaudszun
- Department of Anaesthesia and Intensive Care; Papworth Hospital; Cambridge UK
| | - K. E. Munting
- Department of Anaesthesia and Intensive Care; Papworth Hospital; Cambridge UK
| | - A. Butchart
- Department of Anaesthesia and Intensive Care; Papworth Hospital; Cambridge UK
| | - C. Gerrard
- Department of Anaesthesia and Intensive Care; Papworth Hospital; Cambridge UK
| | - A. A. Klein
- Department of Anaesthesia and Intensive Care; Papworth Hospital; Cambridge UK
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Muñoz M, Laso-Morales MJ, Gómez-Ramírez S, Cadellas M, Núñez-Matas MJ, García-Erce JA. Pre-operative haemoglobin levels and iron status in a large multicentre cohort of patients undergoing major elective surgery. Anaesthesia 2017; 72:826-834. [DOI: 10.1111/anae.13840] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2017] [Indexed: 12/12/2022]
Affiliation(s)
- M. Muñoz
- Peri-operative Transfusion Medicine; School of Medicine; Málaga Spain
| | | | - S. Gómez-Ramírez
- Internal Medicine; University Hospital Virgen de la Victoria; Málaga Spain
| | - M. Cadellas
- Cardiology; University Hospital Mar-Esperança; Barcelona Spain
| | - M. J. Núñez-Matas
- Obstetrics and Gynaecology; Regional University Hospital; Málaga Spain
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