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Cherian L. Women and Ischemic Stroke. Neurol Clin 2023; 41:265-281. [PMID: 37030957 DOI: 10.1016/j.ncl.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Although men are at higher risk of stroke throughout most of their lifespan, the incidence of stroke in women climbs with age, increasing after menopause and rising sharply after 85 years. This, combined with women's longer life expectancy, results in most of the stroke deaths occurring in women. In addition to accounting for a larger proportion of strokes, women may also suffer a survival disadvantage, which may be due to several factors. In many families, women are the primary caretakers. When they become disabled, there may be limited options to care for them. Others suggest that some of the disparities in stroke outcomes in women may be related to age, pre-stroke functional status, and comorbidities. Regardless of the cause, the increased disability and post-stroke care requirements of women, particularly in our aging population, highlight the importance of determining successful strategies for stroke prevention, acute stroke treatments, optimization of stroke rehabilitation, and effective secondary prevention measures in women.
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Samuel R, Alfadhel M, McAlister C, Nestelberger T, Saw J. Coronary Events in the Pregnant Patient: Who Is at Risk and How Best to Manage? Can J Cardiol 2021; 37:2026-2034. [PMID: 34530109 DOI: 10.1016/j.cjca.2021.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 08/23/2021] [Accepted: 09/10/2021] [Indexed: 10/20/2022] Open
Abstract
Coronary events in pregnancy are a rare but growing cause of maternal morbidity and mortality. Pregnancy presents unique challenges across a broad spectrum of disciplines and requires a multidisciplinary approach to optimise maternal and fetal outcomes. The early involvement of the "cardio-obstetrics" team in prepregnancy counselling, the antenatal period, delivery, and postpartum is vital to ensuring better outcomes for patients at high risk of coronary pathology. The overall risk for coronary events complicating pregnancy is increasing owing to a number of factors, including advancing maternal age and increases in traditional cardiac risk factors contributing to higher rates of maternal morbidity and mortality. The majority of pregnant women experiencing a coronary event do not have previous coronary disease, and the pathologic mechanisms involved are predominantly nonatherosclerotic. Diagnosis and management should follow standard guideline-based practices for acute coronary syndrome (ACS), including the use of diagnostic coronary angiography to guide percutaneous intervention when needed. Management of ACS should not be delayed to facilitate delivery, which can proceed following stent implantation and dual antiplatelet therapy. The timing and mode of delivery should be based on assessment of maternal and fetal status, but vaginal delivery is preferred when possible. This review aims to provide an overview of the major etiologies, risk factors, diagnoses, and management strategies for patients at risk of or presenting with coronary events in pregnancy.
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Affiliation(s)
- Rohit Samuel
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Canada
| | - Mesfer Alfadhel
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Canada
| | - Cameron McAlister
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Canada
| | - Thomas Nestelberger
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Canada
| | - Jacqueline Saw
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Canada.
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Dempfle CE, Koscielny J, Lindhoff-Last E, Linnemann B, Bux-Gewehr I, Kappert G, Scholz U, Kropff S, Eberle S, Bramlage P, Heinken A. Fondaparinux Pre-, Peri-, and/or Postpartum for the Prophylaxis/Treatment of Venous Thromboembolism (FondaPPP). Clin Appl Thromb Hemost 2021; 27:10760296211014575. [PMID: 33942675 PMCID: PMC8114740 DOI: 10.1177/10760296211014575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We analyzed data for women who received fondaparinux for ≥7 days during pregnancy. The study retrospectively included women who received fondaparinux pre-, peri- and/or postpartum for ≥7 days for prophylaxis/venous thromboembolism (VTE) treatment at German specialist centers (2004-2010). Data on pregnancy, VTE risk factors, anticoagulant treatment, pregnancy outcome and adverse events were extracted from medical records. 120 women (mean age 31.5 years) were included. Among 84 women with prior pregnancies, 41.0% had ≥1 abortion. Anticoagulation was indicated for prophylaxis in 92.5% cases, including 82.5% women with an elevated VTE risk (82.8% thrombophilia, 34.2% VTE history). All women received low-molecular-weight heparin (LMWH) as first-line therapy; 3 also unfractionated heparin. Treatment changed to fondaparinux, due to heparin allergy (41.7%) or heparin-induced thrombocytopenia (10.0%). Fondaparinux was generally well tolerated. Adverse events included bleeding events (n = 5), abortion (n = 2), premature births (n = 2), stillbirth (n = 1), arrested labors (n = 2), injection site erythema (n = 4) and unspecified drug hypersensitivity (n = 6). No VTE events or increased liver enzymes occurred during treatment. In this retrospective study, fondaparinux was effective and well tolerated. Trial registration: ClinicalTrials.gov NCT01004939.
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Affiliation(s)
| | - Jürgen Koscielny
- Institut für Transfusionsmedizin, 14903Charité Universitätsmedizin Berlin, Berlin, Germany
| | | | | | | | | | - Ute Scholz
- Zentrum für Gerinnungsstörungen, Leipzig, Germany
| | | | | | - Peter Bramlage
- 566322Institute for Pharmacology and Preventive Medicine, Cloppenburg, Germany
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Marcucci R, Berteotti M, Gori AM, Giusti B, Rogolino AA, Sticchi E, Liotta AA, Ageno W, De Candia E, Gresele P, Marchetti M, Marietta M, Tripodi A. Heparin induced thrombocytopenia: position paper from the Italian Society on Thrombosis and Haemostasis (SISET). BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2021; 19:14-23. [PMID: 33370230 PMCID: PMC7850929 DOI: 10.2450/2020.0248-20] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/14/2020] [Indexed: 12/21/2022]
Abstract
Heparin induced thrombocytopenia (HIT) is a rare immune mediated adverse drug reaction occurring after exposure to heparin. It is a serious and potentially fatal condition, which may be associated with the development of arterial or venous thrombotic events. Although known for many years, HIT is still often misdiagnosed. Pre- test clinical probability, screening for anti-PF4/heparin antibodies and documentation of their platelet activating capacity are the cornerstones of diagnosis. However, both clinical algorithms and test modalities have limited predictive values and limited diffusion so that the diagnosis and management is challenging in the clinical practice. For this reason, there is an unmet need for novel rational non-anticoagulant therapies based on the pathogenesis of HIT.The present paper reports the position of the Italian Society on Haemostasis and Thrombosis (SISET) in order to increase awareness of HIT among clinicians and other health care professionals and to provide information on the most appropriate management.
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Affiliation(s)
- Rossella Marcucci
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Martina Berteotti
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Anna M. Gori
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Betti Giusti
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Angela A. Rogolino
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Elena Sticchi
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Agatina Alessandrello Liotta
- Experimental and Clinical Medicine, University of Florence; Atherothrombotic Center, AOU Careggi, Florence, Italy
| | - Walter Ageno
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Erica De Candia
- Department of Translational Medicine and Surgery, Catholic University of Rome, Rome, Italy
- Department of Image Diagnostics, Radiotherapy and Haematology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Paolo Gresele
- Department of Medicine, Section of Internal and Cardiovascular Medicine, University of Perugia, Perugia, Italy
| | - Marina Marchetti
- Department of Immunohematology and Transfusion Medicine, Hospital Papa Giovanni XXIII, Bergamo, Italy
| | - Marco Marietta
- Department of Oncology and Haematology, University Hospital, Modena, Italy
| | - Armando Tripodi
- IRCCS “Ca’ Granda Maggiore” Hospital Foundation, “Angelo Bianchi Bonomi” Haemophilia and Thrombosis Center and “Fondazione Luigi Villa”, Milan, Italy
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Zhao L, Bi S, Fu J, Qi L, Li L, Fu Y. Retrospective Analysis of Fondaparinux and Low-Molecular-Weight Heparin in the Treatment of Women With Recurrent Spontaneous Abortion. Front Endocrinol (Lausanne) 2021; 12:717630. [PMID: 34721290 PMCID: PMC8553245 DOI: 10.3389/fendo.2021.717630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/17/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND To compare the clinical efficacy of fondaparinux and LMWH and provide clinical evidence for the effectiveness of fondaparinux in the treatment of recurrent spontaneous abortion caused by PTS. METHODS A retrospective analysis was conducted for 120 patients diagnosed with a recurrent spontaneous abortion caused by PTS in Qingdao Jinhua Women's Hospital from March 2019 to April 2020. The patients were divided into two groups: 68 cases in the control group, treated with LMWH, 52 cases in the observational group, treated with fondaparinux. The pregnancy outcomes and adverse reactions between the two groups of recurrent miscarriage patients were compared. RESULTS No significant difference was detected in the general data between the two groups of patients before treatment (P>0.05). In the observational group, the R value was increased, and the α and MA values were decreased after three months of treatment compared to those before treatment (P<0.05). In the control group, the R value was increased, and the MA value was decreased after three months of treatment compared to those before treatment (P<0.05). After treatment, no significant difference was observed in the pregnancy outcome between the two groups (P>0.05). The total adverse reaction rate of the fondaparinux group was lower than that of the LMWH group (P<0.05). CONCLUSIONS In this study, no significant difference was detected in the pregnancy outcome between fondaparinux and LMWH in the treatment of recurrent spontaneous abortion caused by PTS, but fondaparinux had a low occurrence rate of adverse reactions and high safety.
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Affiliation(s)
- Long Zhao
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Long Zhao,
| | - Shuqin Bi
- Department of Obstetrics, Qingdao Jinhua Gynecology Hospital, Qingdao, China
| | - Jinhua Fu
- Department of Obstetrics, Qingdao Jinhua Gynecology Hospital, Qingdao, China
| | - Lijuan Qi
- Department of Obstetrics, Qingdao Jinhua Gynecology Hospital, Qingdao, China
| | - Lin Li
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yinghui Fu
- Department of Obstetrics, Qingdao Jinhua Gynecology Hospital, Qingdao, China
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Devis P, Knuttinen MG. Deep venous thrombosis in pregnancy: incidence, pathogenesis and endovascular management. Cardiovasc Diagn Ther 2017; 7:S309-S319. [PMID: 29399535 DOI: 10.21037/cdt.2017.10.08] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Deep venous thrombosis (DVT) during pregnancy is associated with high mortality, morbidity, and costs. Pulmonary embolism (PE), its most feared complication, is the leading cause of maternal death in the developed world. DVT can also result in long-term complications that include postthrombotic syndrome (PTS) adding to its morbidity. Women are up to 5 times more likely to develop DVT when pregnant. The current standard of care for this condition is anticoagulation. This review discusses the epidemiology, pathogenesis, prophylaxis and diagnosis of DVT during pregnancy, and then focuses on endovascular treatment modalities. Inferior vena cava (IVC) filter placement and pharmacomechanical catheter directed thrombolysis (PCDT) in the pregnant patient are discussed, as well as patient selection criteria, and complications.
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Affiliation(s)
- Paola Devis
- Department of Medical Imaging, Division of Interventional Radiology, The University of Arizona, Banner University Medical Center, Tucson, AZ, USA
| | - M Grace Knuttinen
- Department of Interventional Radiology, Mayo Clinic, Phoenix, AZ, USA
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7
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Bates SM, Middeldorp S, Rodger M, James AH, Greer I. Guidance for the treatment and prevention of obstetric-associated venous thromboembolism. J Thromb Thrombolysis 2016; 41:92-128. [PMID: 26780741 PMCID: PMC4715853 DOI: 10.1007/s11239-015-1309-0] [Citation(s) in RCA: 185] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Venous thromboembolism (VTE), which may manifest as pulmonary embolism (PE) or deep vein thrombosis (DVT), is a serious and potentially fatal condition. Treatment and prevention of obstetric-related VTE is complicated by the need to consider fetal, as well as maternal, wellbeing when making management decisions. Although absolute VTE rates in this population are low, obstetric-associated VTE is an important cause of maternal morbidity and mortality. This manuscript, initiated by the Anticoagulation Forum, provides practical clinical guidance on the prevention and treatment of obstetric-associated VTE based on existing guidelines and consensus expert opinion based on available literature where guidelines are lacking.
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Affiliation(s)
- Shannon M Bates
- Department of Medicine, McMaster University and Thrombosis and Atherosclerosis Research Institute (TaARI), 1280 Main Street West, HSC 3W11, Hamilton, ON, L8S 4K1, Canada.
| | - Saskia Middeldorp
- Department of Vascular Medicine, University of Amsterdam, Amsterdam, The Netherlands
| | - Marc Rodger
- Departments of Medicine, Epidemiology and Community Medicine, and Obstetrics and Gynecology, University of Ottawa, Ottawa, ON, Canada
| | - Andra H James
- Department of Obstetrics and Gynecology, Duke University, Durham, NC, USA
| | - Ian Greer
- Faculty of Medical and Human Sciences, The University of Manchester, Manchester, UK
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8
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Konkle BA. Diagnosis and management of thrombosis in pregnancy. ACTA ACUST UNITED AC 2015; 105:185-9. [DOI: 10.1002/bdrc.21104] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 08/25/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Barbara A. Konkle
- Clinical and Translational Research, Bloodworks Northwest; Seattle Washington
- Division of Hematology; University of Washington; Seattle Washington
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9
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Abdollahi M, Nikfar S, Hosseini-Tabatabaei A, Rezaie A. Interventions for preventing osteoporosis in women on heparin therapy during pregnancy. Hippokratia 2015. [DOI: 10.1002/14651858.cd008547.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammad Abdollahi
- Tehran University of Medical Sciences; Faculty of Pharmacy, and Pharmaceutical Sciences Research Centre; Keshavarz Bulvd. Tehran Tehran Iran 1417614411
| | - Shekoufeh Nikfar
- Tehran University of Medical Sciences; Food and Drug Laboratory Research Centre, Deputy for Food and Drug Affairs, Iranian Ministry of Health and Medical Education; and Department of Pharmacoeconomics and Pharmaceutical Administration, Faculty of Pharmacy; Tehran Iran
| | - Azadeh Hosseini-Tabatabaei
- University of British Columbia; Department of Surgery; Burn and Wound Healing Research Lab, Jack Bell Research Centre Rm 344A, 2660 Oak St. Vancouver BC Canada V6H 3Z6
| | - Ali Rezaie
- Cedars-Sinai Medical Center; Department of Medicine; Los Angeles California USA 90048
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10
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Fondaparinux in pregnancy: Could it be a safe option? A review of the literature. Thromb Res 2015; 135:1049-51. [DOI: 10.1016/j.thromres.2015.04.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 04/01/2015] [Accepted: 04/06/2015] [Indexed: 11/20/2022]
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11
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Elsaigh E, Thachil J, Nash MJ, Tower C, Hay CRM, Bullough S, Byrd L. The use of fondaparinux in pregnancy. Br J Haematol 2014; 168:762-4. [PMID: 25270038 DOI: 10.1111/bjh.13147] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Esra Elsaigh
- Manchester Medical School, University of Manchester, Manchester, UK
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12
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Khan J, Idrees MM. Saudi Guidelines on the Diagnosis and Treatment of Pulmonary Hypertension: Pregnancy in pulmonary hypertension. Ann Thorac Med 2014; 9:S108-12. [PMID: 25076988 PMCID: PMC4114271 DOI: 10.4103/1817-1737.134050] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2014] [Accepted: 04/05/2014] [Indexed: 11/04/2022] Open
Abstract
Pregnancy in pulmonary hypertension (PH) is known to be associated with high morbidity and mortality. The physiological changes occur during normal pregnancy, such as increase blood volume and cardiac output (CO) may be detrimental in PH patients. Several practice guidelines advise against pregnancy and even recommend termination of pregnancy. Occasionally PH may be diagnosed for the first time during pregnancy, as stress of pregnancy can unmask previously undiagnosed PH in an asymptomatic individual. This narrative review provides a detailed discussion about the physiologic parameters associated in pregnancy and their negative effect on the right ventricle. It also gives practical evidence-based recommendations about different management issues in PH pregnant patients.
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Affiliation(s)
- Javed Khan
- Department of Pulmonary Medicine, King Fahd Armed Forced Hospital, Jeddah, Saudi Arabia
| | - Majdy M Idrees
- Prince Sultan Medical Military City, Riyadh, Saudi Arabia
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13
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Chan WS, Rey E, Kent NE, Chan WS, Kent NE, Rey E, Corbett T, David M, Douglas MJ, Gibson PS, Magee L, Rodger M, Smith RE. Venous Thromboembolism and Antithrombotic Therapy in Pregnancy. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2014; 36:527-53. [DOI: 10.1016/s1701-2163(15)30569-7] [Citation(s) in RCA: 135] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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14
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Newstead-Angel J, Gibson PS. Cardiac drug use in pregnancy: safety, effectiveness and obstetric implications. Expert Rev Cardiovasc Ther 2014; 7:1569-80. [DOI: 10.1586/erc.09.152] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Nadar SK, Goyal D, Shantsila E, Banerjee P, Lip GYH. Fondaparinux: an overview. Expert Rev Cardiovasc Ther 2014; 7:577-85. [DOI: 10.1586/erc.09.19] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Liu Z, Ji S, Sheng J, Wang F. Pharmacological effects and clinical applications of ultra low molecular weight heparins. Drug Discov Ther 2014; 8:1-10. [DOI: 10.5582/ddt.8.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Bates SM. Preventing thrombophilia-related complications of pregnancy: an update. Expert Rev Hematol 2013; 6:287-300. [PMID: 23782083 DOI: 10.1586/ehm.13.18] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Approximately half of all pregnancy-related venous thromboembolic events are associated with thrombophilia. Although the most compelling data for a link between thrombophilia and other adverse pregnancy outcomes derive from women with antiphospholipid antibodies, some studies also suggest an association between these pregnancy complications and hereditary thrombophilias. Management of thrombophilia often involves anticoagulant therapy; however, use of these agents during pregnancy is challenging. There is a paucity of high-quality studies and consequently, recommendations are based largely on extrapolation from data in nonpregnant women, in addition to observational studies and a few small randomized studies. This article will review the impact of the thrombophilias on pregnancy and its outcome, evidence for therapies aimed at the prevention of thrombophilia-related pregnancy complications, and the most recent recommendations contained in the 9th Edition of the American College of Chest Physicians Evidence-Based Clinical Practice Guidelines.
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Affiliation(s)
- Shannon M Bates
- Department of Medicine, McMaster University and Thrombosis and Atherosclerosis Research Institute (TaARI), Hamilton, ON, Canada.
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19
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Goland S, Zilberman L, Elkayam U. Clinical Considerations on Anticoagulation Management in Cardiovascular Diseases During Pregnancy. Drug Dev Res 2013. [DOI: 10.1002/ddr.21113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sorel Goland
- The Department of Cardiology; Kaplan Medical Center; Rehovot Israel
| | - Liaz Zilberman
- The Department of Cardiology; Kaplan Medical Center; Rehovot Israel
| | - Uri Elkayam
- Department of Medicine; Division of Cardiovascular Disease; University of Southern California; Los Angeles CA USA
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20
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Tang AW, Greer I. A systematic review on the use of new anticoagulants in pregnancy. Obstet Med 2013; 6:64-71. [PMID: 27757159 DOI: 10.1177/1753495x12472642] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2012] [Indexed: 12/17/2022] Open
Abstract
New anticoagulants such as direct factor Xa inhibitors and direct thrombin inhibitors have been recently developed, but their experience in pregnancy is limited. This review therefore aims to systematically search for studies on the use of these newer anticoagulants in pregnancy and the puerperal period. Searches were performed on electronic databases MEDLINE (from 1966), EMBASE (from 1974) and the Cochrane Library, until October 2011 using terms of 'pregnancy', 'puerperium', 'breastfeeding' and names of specific anticoagulants. The search yielded 561 citations and 11 studies (10 on fondaparinux, 1 on ximelagatran) were included. Newer anticoagulants (fondaparinux, hirudin and argatroban) on the limited evidence appear not to have adverse pregnancy outcomes, but there is currently no experience of new oral anticoagulants (rivaroxaban, apixaban, betrixaban or dabigatran) use in pregnancy. There is a need for reporting on new oral anticoagulation use in pregnancy to provide more information about the safety and risks to the fetus in utero.
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Affiliation(s)
- Ai-Wei Tang
- Fetal Medicine Unit, Liverpool Women's NHS Foundation Trust, Crown Street, Liverpool L8 7SS, UK
| | - Ian Greer
- Faculty of Health & Life Sciences, University of Liverpool, Foundation Building, Liverpool L69 7ZX, UK
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21
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Antithrombotic therapy in heparin-induced thrombocytopenia: guidelines translated for the clinician. J Thromb Thrombolysis 2013; 34:552-61. [PMID: 22843169 DOI: 10.1007/s11239-012-0785-8] [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] [Indexed: 12/21/2022]
Abstract
Heparin-induced thrombocytopenia (HIT) is a clinicopathologic syndrome initiated by heparin exposure and characterized by thrombocytopenia and paradoxical thrombophilia. HIT is mediated by the formation of antibodies against the platelet factor 4/heparin complex, which leads to platelet activation, thrombin generation, and potentially fatal thrombotic sequelae. The clinical presentation of HIT is variable and can be easily overlooked. Although a number of functional and antigen-based immunoassays have been developed to detect the presence of HIT antibodies, initial diagnosis is often based on recognition of thrombocytopenia in the appropriate clinical context and later confirmed with immunologic testing. Given the serious clinical consequences of HIT, immediate cessation of heparin products and administration of non-heparin anticoagulants are crucial components of treatment. We provide a review of the clinical syndrome and practical summary of treatment recommendations from the most recent 2012 American College of Chest Physicians evidence-based guidelines for the treatment and prevention of HIT.
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Hime N, Auchet T, Guerci P, Vial F, McNelis U, Bouaziz H. Vaginal delivery in a parturient excessively anticoagulated with fondaparinux. Int J Obstet Anesth 2012; 21:385-7. [PMID: 22918028 DOI: 10.1016/j.ijoa.2012.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2012] [Revised: 06/08/2012] [Accepted: 06/09/2012] [Indexed: 10/28/2022]
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23
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24
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Linkins LA, Dans AL, Moores LK, Bona R, Davidson BL, Schulman S, Crowther M. Treatment and prevention of heparin-induced thrombocytopenia: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest 2012; 141:e495S-e530S. [PMID: 22315270 DOI: 10.1378/chest.11-2303] [Citation(s) in RCA: 613] [Impact Index Per Article: 51.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Heparin-induced thrombocytopenia (HIT) is an antibody-mediated adverse drug reaction that can lead to devastating thromboembolic complications, including pulmonary embolism, ischemic limb necrosis necessitating limb amputation, acute myocardial infarction, and stroke. METHODS The methods of this guideline follow the Methodology for the Development of Antithrombotic Therapy and Prevention of Thrombosis Guidelines: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines in this supplement. RESULTS Among the key recommendations for this article are the following: For patients receiving heparin in whom clinicians consider the risk of HIT to be > 1%, we suggest that platelet count monitoring be performed every 2 or 3 days from day 4 to day 14 (or until heparin is stopped, whichever occurs first) (Grade 2C). For patients receiving heparin in whom clinicians consider the risk of HIT to be < 1%, we suggest that platelet counts not be monitored (Grade 2C). In patients with HIT with thrombosis (HITT) or isolated HIT who have normal renal function, we suggest the use of argatroban or lepirudin or danaparoid over other nonheparin anticoagulants (Grade 2C). In patients with HITT and renal insufficiency, we suggest the use of argatroban over other nonheparin anticoagulants (Grade 2C). In patients with acute HIT or subacute HIT who require urgent cardiac surgery, we suggest the use of bivalirudin over other nonheparin anticoagulants or heparin plus antiplatelet agents (Grade 2C). CONCLUSIONS Further studies evaluating the role of fondaparinux and the new oral anticoagulants in the treatment of HIT are needed.
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Affiliation(s)
- Lori-Ann Linkins
- Department of Medicine, McMaster University, Hamilton, ON, Canada.
| | - Antonio L Dans
- College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Lisa K Moores
- The Uniformed Services, University of Health Sciences, Bethesda, MD
| | - Robert Bona
- School of Medicine, Quinnipiac University, North Haven, CT
| | | | - Sam Schulman
- Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Mark Crowther
- Department of Medicine, McMaster University, Hamilton, ON, Canada
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Abstract
Hypercoagulable states can be inherited or acquired. Inherited hypercoagulable states can be caused by a loss of function of natural anticoagulant pathways or a gain of function in procoagulant pathways. Acquired hypercoagulable risk factors include a prior history of thrombosis, obesity, pregnancy, cancer and its treatment, antiphospholipid antibody syndrome, heparin-induced thrombocytopenia, and myeloproliferative disorders. Inherited hypercoagulable states combine with acquired risk factors to establish the intrinsic risk of venous thromboembolism for each individual. Venous thromboembolism occurs when the risk exceeds a critical threshold. Often a triggering factor, such as surgery, pregnancy, or estrogen therapy, is required to increase the risk above this critical threshold.
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Affiliation(s)
- Julia A M Anderson
- Department of Clinical and Laboratory Hematology, Royal Infirmary of Edinburgh, Scotland EH16 4SA, UK
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Abstract
Pregnancy is associated with an increased risk of venous thromboembolism (VTE) and this condition remains an important cause of maternal morbidity and mortality. The use of anticoagulant therapy for treatment and prophylaxis of VTE during pregnancy is challenging because of the potential for fetal, as well as maternal, complications. Although evidence-based recommendations for the use of anticoagulants have been published, given the paucity of available data, guidelines are based largely upon observational studies and from data in nonpregnant patients. This article reviews the available literature and provides guidance for the management and prevention of VTE during pregnancy.
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Affiliation(s)
- Shannon M Bates
- Department of Medicine, McMaster University & Thrombosis and Atherosclerosis Research Institute, Hamilton, Ontario, Canada.
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Tanimura K, Ebina Y, Sonoyama A, Morita H, Miyata S, Yamada H. Argatroban therapy for heparin-induced thrombocytopenia during pregnancy in a woman with hereditary antithrombin deficiency. J Obstet Gynaecol Res 2012; 38:749-52. [DOI: 10.1111/j.1447-0756.2011.01758.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bates SM, Greer IA, Middeldorp S, Veenstra DL, Prabulos AM, Vandvik PO. VTE, thrombophilia, antithrombotic therapy, and pregnancy: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest 2012; 141:e691S-e736S. [PMID: 22315276 PMCID: PMC3278054 DOI: 10.1378/chest.11-2300] [Citation(s) in RCA: 834] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2011] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The use of anticoagulant therapy during pregnancy is challenging because of the potential for both fetal and maternal complications. This guideline focuses on the management of VTE and thrombophilia as well as the use of antithrombotic agents during pregnancy. METHODS The methods of this guideline follow the Methodology for the Development of Antithrombotic Therapy and Prevention of Thrombosis Guidelines: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines in this supplement. RESULTS We recommend low-molecular-weight heparin for the prevention and treatment of VTE in pregnant women instead of unfractionated heparin (Grade 1B). For pregnant women with acute VTE, we suggest that anticoagulants be continued for at least 6 weeks postpartum (for a minimum duration of therapy of 3 months) compared with shorter durations of treatment (Grade 2C). For women who fulfill the laboratory criteria for antiphospholipid antibody (APLA) syndrome and meet the clinical APLA criteria based on a history of three or more pregnancy losses, we recommend antepartum administration of prophylactic or intermediate-dose unfractionated heparin or prophylactic low-molecular-weight heparin combined with low-dose aspirin (75-100 mg/d) over no treatment (Grade 1B). For women with inherited thrombophilia and a history of pregnancy complications, we suggest not to use antithrombotic prophylaxis (Grade 2C). For women with two or more miscarriages but without APLA or thrombophilia, we recommend against antithrombotic prophylaxis (Grade 1B). CONCLUSIONS Most recommendations in this guideline are based on observational studies and extrapolation from other populations. There is an urgent need for appropriately designed studies in this population.
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Affiliation(s)
- Shannon M Bates
- Department of Medicine, McMaster University and Thrombosis and Atherosclerosis Research Institute, Hamilton, ON, Canada.
| | - Ian A Greer
- Faculty of Health and Life Sciences, University of Liverpool, Liverpool, England
| | - Saskia Middeldorp
- Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands
| | | | - Anne-Marie Prabulos
- Department of Obstetrics and Gynecology, University of Connecticut School of Medicine, Farmington, CT
| | - Per Olav Vandvik
- Medical Department, Innlandet Hospital Trust and Norwegian Knowledge Centre for the Health Services, Gjøvik, Norway
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29
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Fondaparinux - data on efficacy and safety in special situations. Thromb Res 2011; 129:407-17. [PMID: 22133273 DOI: 10.1016/j.thromres.2011.10.037] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 10/27/2011] [Accepted: 10/28/2011] [Indexed: 12/20/2022]
Abstract
New anticoagulants promise to have better efficacy, more safety and/or a better manageability than traditional anticoagulants. However, knowledge is limited regarding special situations such as renal insufficiency, obesity, pregnancy, long-term therapy, heparin-induced thrombocytopenia, treatment in patients with mechanical heart valves, use for children, and in patients with a high risk of thromboembolic complications. These situations have rarely or even never been the objective of randomised controlled trials. The purpose of the present article is to summarize and discuss available data on efficacy and safety in these special situations for one of the first new anticoagulants, the indirect factor-Xa inhibitor fondaparinux. Furthermore, we discuss safety in licensed indications and management of bleeding complications and comment on measuring of drug concentration in plasma.
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Chauleur C, Gris JC, Seffert P, Mismetti P. [News on antithrombotic therapy and pregnancy]. Therapie 2011; 66:437-43. [PMID: 22031688 DOI: 10.2515/therapie/2011061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Accepted: 05/17/2011] [Indexed: 11/20/2022]
Abstract
OBJECTIVES State of the art of antithrombotics and their use recommendations during pregnancy. METHODS A review RESULTS Aspirin and heparins remain the safest molecules during pregnancy, and oral anticoagulants are still used for mechanical valves. Heparinoids are the methods of choice in case of heparin-induced thrombopenia but other molecules could find their place: fondaparinux at first and possibly the direct thrombin inhibitors. Thrombolysis may be used in case of life-threatening incident. At present, the new oral forms can not be used during pregnancy CONCLUSIONS During pregnancy, all antithrombotics, except the oral forms, can be used, but the low molecular weight heparins replacing the unfractionated ones in the treatment and prevention of venous thromboembolism remain the treatment of choice.
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Affiliation(s)
- Céline Chauleur
- Département d'Obstétrique et Gynécologie, CHU Saint-Étienne Hôpital Nord, Saint-Priest-en-Jarez, France.
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31
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Weberschock T, Meister AC, Bohrt K, Schmitt J, Boehncke WH, Ludwig RJ. The risk for cross-reactions after a cutaneous delayed-type hypersensitivity reaction to heparin preparations is independent of their molecular weight: a systematic review. Contact Dermatitis 2011; 65:187-94. [DOI: 10.1111/j.1600-0536.2011.01932.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
When pulmonary hypertension (PH) occurs in pregnancy, physiologic stress can overwhelm an already strained right ventricle resulting in right ventricular failure and death. Mortality remains unacceptably high (25%-30%). Patients with PH should be counseled to avoid pregnancy. This article discusses the physiologic changes of pregnancy that make it difficult for patients with PH, the pitfalls of transthoracic echocardiography in diagnosing PH in pregnancy, and the historical data regarding mortality. The causes of development of PH during pregnancy are discussed, and the limited data on management of patients with PH who choose to carry their pregnancy to term are reviewed.
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33
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Ciurzyński M, Jankowski K, Pietrzak B, Mazanowska N, Rzewuska E, Kowalik R, Pruszczyk P. Use of fondaparinux in a pregnant woman with pulmonary embolism and heparin-induced thrombocytopenia. Med Sci Monit 2011; 17:CS56-9. [PMID: 21525816 PMCID: PMC3539579 DOI: 10.12659/msm.881753] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Accepted: 10/26/2010] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND A serious complication of heparin treatment, heparin-induced thrombocytopenia (HIT) is rarely observed in pregnant women. Drug therapy during pregnancy should always be chosen to minimize fetal risk. The management of HIT in pregnancy represents a medical challenge. Unlike heparins, the anticoagulants used in patients with HIT do cross the placenta, with unknown fetal effects. CASE REPORT We present a case of a 24-year-old female presenting for care at 34 weeks of gestation with acute pulmonary embolism treated initially with unfractionated heparin (UFH) and low molecular weight heparin (LMWH), who developed HIT. She was then successfully treated with fondaparinux. CONCLUSIONS To the best of our knowledge, this is one of the first case reports describing a successful use of fondaparinux in the treatment of HIT in a third-trimester pregnant woman, providing a novel approach for this subset of patients.
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Affiliation(s)
- Michał Ciurzyński
- Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, Poland.
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34
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Fogerty AE, Connors JM. Treating Venous Thromboembolism in Pregnancy. Hematol Oncol Clin North Am 2011; 25:379-91, ix. [DOI: 10.1016/j.hoc.2011.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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35
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Anticoagulant and antithrombotic drugs in pregnancy: what are the anesthetic implications for labor and cesarean delivery? J Perinatol 2011; 31:73-84. [PMID: 20559281 DOI: 10.1038/jp.2010.64] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Neuraxial anesthetic techniques are commonly used during the peripartum period to provide effective pain relief for labor and anesthesia during cesarean delivery. Major neurologic complications are rare after neuraxial anesthesia; however, spinal hematoma is associated with catastrophic neurologic outcomes (including lower-limb paralysis). Anticoagulant and antithrombotic drugs can increase the risk of spinal hematoma after neuraxial anesthesia, and better understanding of the pharmacokinetics and pharmacodynamics of anticoagulants has led to greater appreciation for withholding anticoagulation before and after neuraxial anesthesia. A number of national anesthetic societies have produced guidelines for performing neuraxial anesthesia in patients receiving anticoagulation. However, there is limited information about anesthetic implications of anticoagulation during the peripartum period. This article will review the risks of spinal hematoma after neuraxial anesthesia in pregnant patients; current guidelines for neuraxial anesthesia for anticoagulated patients; and relevant pharmacological data of specific anticoagulant and antithrombotic drugs in pregnancy.
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36
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37
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Emerging Anticoagulants and Heparin-Induced Thrombocytopenia: Indirect and Direct Factor Xa Inhibitors and Oral Thrombin Inhibitors. ACTA ACUST UNITED AC 2010. [DOI: 10.3109/9781420045093.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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38
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Abstract
Hypercoagulable states can be inherited or acquired. Inherited hypercoagulable states can be caused by a loss of function of natural anticoagulant pathways or a gain of function in procoagulant pathways. Acquired hypercoagulable risk factors include a prior history of thrombosis, obesity, pregnancy, cancer and its treatment, antiphospholipid antibody syndrome, heparin-induced thrombocytopenia, and myeloproliferative disorders. Inherited hypercoagulable states combine with acquired risk factors to establish the intrinsic risk of venous thromboembolism for each individual. Venous thromboembolism occurs when the risk exceeds a critical threshold. Often a triggering factor, such as surgery, pregnancy, or estrogen therapy, is required to increase the risk above this critical threshold.
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Affiliation(s)
- Julia A M Anderson
- Department of Clinical and Laboratory Hematology, Royal Infirmary of Edinburgh, Scotland EH16 4SA, UK
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39
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Knol HM, Schultinge L, Erwich JJHM, Meijer K. Fondaparinux as an alternative anticoagulant therapy during pregnancy. J Thromb Haemost 2010; 8:1876-9. [PMID: 20492464 DOI: 10.1111/j.1538-7836.2010.03926.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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40
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Danilov AV, Brodsky RA, Craigo S, Smith H, Miller KB. Managing a pregnant patient with paroxysmal nocturnal hemoglobinuria in the era of eculizumab. Leuk Res 2010; 34:566-71. [PMID: 19954846 DOI: 10.1016/j.leukres.2009.10.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Revised: 10/27/2009] [Accepted: 10/28/2009] [Indexed: 11/16/2022]
Abstract
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare clonal stem cell disorder, which affects women of child-bearing age. PNH is associated with thrombotic complications, which are the main causes of morbidity and mortality. Management of a pregnant woman with PNH remains a challenge due to high incidence of thrombotic complications and the difficulty of differentiating a PNH crisis from the complications of pregnancy. PNH is associated with an increased rate of premature labor and fetal loss. Eculizumab, a humanized monoclonal antibody directed against the terminal complement protein C5, has revolutionized treatment of PNH. However, the role of eculizumab in pregnancy is unclear. We review the current strategies for the management of pregnant women with PNH, underline the controversies and present our recommendations.
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Affiliation(s)
- Alexey V Danilov
- Department of Hematology and Oncology, Tufts Medical Center, 800 Washington St, Boston, MA 02111, USA
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41
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Butwick A, Carvalho B. Neuraxial anesthesia in obstetric patients receiving anticoagulant and antithrombotic drugs. Int J Obstet Anesth 2010; 19:193-201. [DOI: 10.1016/j.ijoa.2009.06.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2009] [Accepted: 06/25/2009] [Indexed: 10/19/2022]
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Abstract
PURPOSE OF REVIEW This review summarizes the currently available data concerning risk and management of venous thromboembolism in pregnant women with inherited thrombophilia. SUMMARY Pregnancy is a hypercoagulable state, and inherited thrombophilia increases this risk further. Despite the risks, the actual incidence of venous thromboembolism remains low, and therefore, the widespread use of anticoagulants for pregnant women with inherited thrombophilia is not advised. Although randomized, placebo-controlled trials investigating the risks and benefits of anticoagulation have not been performed, there are data to support the use of low molecular weight heparin for high and intermediate-risk women. We will review these data and treatment recommendations, which are based on retrospective and case-control studies as well as expert opinion and consensus statements.
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Affiliation(s)
- Annemarie E Fogerty
- Department of Hematology/Oncology, Massachusetts General Hospital Cancer Center, Boston, Massachusetts, USA
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43
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Schindewolf M, Schwaner S, Wolter M, Kroll H, Recke A, Kaufmann R, Boehncke WH, Lindhoff-Last E, Ludwig RJ. Incidence and causes of heparin-induced skin lesions. CMAJ 2009; 181:477-81. [PMID: 19786468 DOI: 10.1503/cmaj.081729] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Little is known about the incidence and causes of heparin-induced skin lesions. The 2 most commonly reported causes of heparin-induced skin lesions are immune-mediated heparin-induced thrombocytopenia and delayed-type hypersensitivity reactions. METHODS We prospectively examined consecutive patients who received subcutaneous heparin (most often enoxaparin or nadroparin) for the presence of heparin-induced skin lesions. If such lesions were identified, we performed a skin biopsy, platelet count measurements, and antiplatelet-factor 4 antibody and allergy testing. RESULTS We enrolled 320 patients. In total, 24 patients (7.5%, 95% confidence interval [CI] 4.7%-10.6%) had heparin-induced skin lesions. Delayed-type hypersensitivity reactions were identified as the cause in all 24 patients. One patient with histopathologic evidence of delayed-type hypersensitivity tested positive for antiplatelet-factor 4 antibodies. We identified the following risk factors for heparin-induced skin lesions: a body mass index greater than 25 (odds ratio [OR] 4.6, 95% CI 1.7-15.3), duration of heparin therapy longer than 9 days (OR 5.9, 95% CI 1.9-26.3) and female sex (OR 3.0, 95% CI 1.1-8.8). INTERPRETATION Heparin-induced skin lesions are relatively common, have identifiable risk factors and are commonly caused by a delayed-type hypersensitivity reaction (type IV allergic response).
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Affiliation(s)
- Marc Schindewolf
- Department of Internal Medicine, Division of Angiology, Hospital of the Johann Wolfgang Goethe University, Frankfurt am Main, Germany
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44
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Winger EE, Reed JL. A retrospective analysis of fondaparinux versus enoxaparin treatment in women with infertility or pregnancy loss. Am J Reprod Immunol 2009; 62:253-60. [PMID: 19703143 DOI: 10.1111/j.1600-0897.2009.00733.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
PROBLEM We compared the pregnancy success rates and safety parameters of fondaparinux versus enoxaparin, combined with immunotherapy, in patients with a history of miscarriage and/or infertility and coagulant defects. METHOD OF STUDY A total of 127 pregnancies in 110 patients with a history of miscarriage and/or infertility were retrospectively evaluated. Of these, 29 pregnancies used fondaparinux 2.5 mg daily and 98 pregnancies used enoxaparin 30 mg twice daily. RESULTS The pregnancy success rate was 59% (17/29; 95% CI, 41-75%) for patients receiving fondaparinux and 58% (57/98; 95% CI, 48-68%) for patients receiving enoxaparin. No difference was detected in birth weight (2.7 +/- 0.8 and 2.9 +/- 0.6 kg, respectively) or gestational age at delivery (37.3 +/- 2.2 and 37.7 +/- 2.1 weeks, respectively). No birth defects, severe bleeding-related complications, or serious allergic reactions were observed. CONCLUSION In patients with a history of miscarriage, infertility, and coagulant defects receiving immunotherapy, fondaparinux resulted in successful pregnancy outcomes comparable with enoxaparin therapy. Although no difference in outcome was observed in our analysis, a much larger study is required to achieve statistical power.
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Affiliation(s)
- Edward E Winger
- Alan E. Beer Center for Reproductive Immunology & Genetics, San Francisco, CA 94111, USA.
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45
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Ekbatani A, Asaro LR, Malinow AM. Anticoagulation with argatroban in a parturient with heparin-induced thrombocytopenia. Int J Obstet Anesth 2009; 19:82-7. [PMID: 19625181 DOI: 10.1016/j.ijoa.2009.01.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Revised: 12/24/2008] [Accepted: 01/10/2009] [Indexed: 10/20/2022]
Abstract
Unfractionated heparin and low-molecular-weight heparin are currently the anticoagulants of choice for the prevention of recurrent thromboembolic disease during pregnancy. However, heparin-induced thrombocytopenia contraindicates the use of unfractionated heparin and low-molecular-weight heparin. We describe a patient who was admitted to our hospital with deep vein thrombosis at 18 weeks of gestation and who developed heparin-induced thrombocytopenia during her antenatal care. Therapeutic anticoagulation was initially achieved with argatroban, then changed to fondaparinux. During early labor, fondaparinux was discontinued and intravenous argatroban was substituted. Argatroban was discontinued during transition to active labor. After return of a normal partial thromboplastin time, combined spinal-epidural analgesia was induced for routine completion of labor and vaginal delivery. We discuss the decisions made in the maintenance of this patient's anticoagulation during the peripartum period as well as timing of her neuraxial labor analgesia.
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Affiliation(s)
- A Ekbatani
- Departments of Anesthesiology and Obstetrics, Gynecology and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
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46
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Montavon C, Hoesli I, Holzgreve W, Tsakiris DA. Thrombophilia and anticoagulation in pregnancy: indications, risks and management. J Matern Fetal Neonatal Med 2009; 21:685-96. [DOI: 10.1080/14767050802360791] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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47
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In reply. Int J Obstet Anesth 2009. [DOI: 10.1016/j.ijoa.2009.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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48
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Raju N, Bates SM. Preventing thrombophilia-related complications of pregnancy. Expert Rev Hematol 2009; 2:183-96. [PMID: 21083451 DOI: 10.1586/ehm.09.8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pregnancy is associated with an increased risk of venous thromboembolism (VTE) and approximately half of all pregnancy-related VTEs are associated with thrombophilia. Recent studies suggest that there is a link between thrombophilia and other adverse pregnancy outcomes, such as fetal loss, preeclampsia, placental abruption and intrauterine growth restriction. However, the associations reported are modest, and high quality data are limited. Although the most compelling data derive from pregnant women with antiphospholipid antibodies, the use of anticoagulants for the prevention of pregnancy complications other than VTE in women with heritable thrombophilias is becoming more frequent. In this article, we review the impact of the various thrombophilias on pregnancy and its outcome, the evidence for therapies aimed at prevention of thrombophilia-related pregnancy complications, and briefly discuss the role of screening for thrombophilia in pregnancy.
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Affiliation(s)
- Nina Raju
- Department of Medicine, McMaster University, Hamilton General Hospital, 237 Barton Street East, Hamilton, Ontario, Canada.
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49
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Abstract
The purpose of this review is to summarize the epidemiology of venous thromboembolism (VTE) in pregnancy and describe strategies used to prevent and treat it. The main reason for the increased risk of VTE in pregnancy is hypercoagulability. The hypercoagulability of pregnancy, which has likely evolved to protect women from the bleeding challenges of miscarriage and childbirth, is present as early as the first trimester and so is the increased risk of VTE. Other risk factors include a history of thrombosis, inherited and acquired thrombophilia, certain medical conditions, and complications of pregnancy and childbirth. Candidates for anticoagulation are women with a current thrombosis, a history of thrombosis, thrombophilia, and a history of poor pregnancy outcome, or postpartum risk factors for VTE. For fetal reasons, the preferred agents for anticoagulation in pregnancy are heparins. There are no large trials of anticoagulants in pregnancy and recommendations are based on case series and the opinion of experts. Nonetheless, anticoagulants are believed to improve the outcome of pregnancy for women who have or have had VTE.
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Affiliation(s)
- Andra H James
- Division of Maternal-Fetal Medicine Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC 27710, USA.
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50
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Young SK, Al-Mondhiry HA, Vaida SJ, Ambrose A, Botti JJ. Successful use of argatroban during the third trimester of pregnancy: case report and review of the literature. Pharmacotherapy 2009; 28:1531-6. [PMID: 19025434 DOI: 10.1592/phco.28.12.1531] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Direct thrombin inhibitors are commonly used anticoagulants in patients with known or suspected heparin-induced thrombocytopenia (HIT). All three direct thrombin inhibitors available in the United States-argatroban, bivalirudin, and lepirudin-are pregnancy category B drugs based on animal studies, but little data are available on the safety of these agents during human pregnancy. Whereas several case reports support the safe use of lepirudin, only one case report has been published with argatroban and none with bivalirudin. We describe a 26-year-old pregnant woman with portal vein thrombosis and thrombocytopenia treated with argatroban for possible HIT during her last trimester. An argatroban infusion was started at 2 microg/kg/minute during her 33rd week of pregnancy, with the dosage titrated based on the activated partial thromboplastin time; infusion rates ranged from 2-8 microg/kg/minute. Treatment continued until her 39th week of pregnancy, when labor was induced. Argatroban therapy was discontinued 7 hours before epidural anesthesia. The patient successfully delivered a healthy male newborn, devoid of any known adverse effects from argatroban. The infant was found to have a small ventricular septal defect and patent foramen ovale at birth, but it is unlikely that these were caused by argatroban since organogenesis occurs in the first trimester. Even though the cause of this patient's thrombocytopenia was later determined to be idiopathic thrombocytopenic purpura, this is an important case that adds to the literature on use of argatroban during pregnancy.
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Affiliation(s)
- Sallie K Young
- Department of Pharmacy, The Milton S. Hershey Medical Center, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
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