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Zhang B, Chu R, Huang C, Song X, Wang J, Li L, Xu Y, Ma Y. Progress in the Management of Pregnancy with Paroxysmal Nocturnal Hemoglobinuria: A Review. J Womens Health (Larchmt) 2024; 33:98-104. [PMID: 37917919 DOI: 10.1089/jwh.2023.0164] [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: 11/04/2023] Open
Abstract
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired complement-mediated hemolytic disease characterized by intravascular hemolysis, thrombosis, smooth muscle dystonia, and so on. Thrombosis is the principal cause of death in PNH patients. During the perinatal period, pregnant PNH patients have increased morbidity and mortality with a heightened risk of complications, including significant preterm birth. The management of pregnancy complicated by PNH is difficult. Therefore, early diagnosis, standardized treatment protocols, and improving perinatal outcomes are crucial. However, there is a lack of consensus on treating patients with PNH during pregnancy. This article reviews 32 studies of pregnancy affected by PNH, focusing on the clinical presentation, diagnosis, and treatment strategies of PNH, to provide guidance for obstetricians on how to handle pregnant patients with PNH, and to offer academic support for the management of PNH patients. We found that Eculizumab has become the primary choice for treating PNH, effectively controlling intravascular hemolysis and reducing the frequency of blood transfusions necessary to stabilize the condition, with no severe threat to the safety of the mother and fetus.
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Affiliation(s)
- Bei Zhang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, P.R. China
| | - Ran Chu
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, P.R. China
| | - Changzhen Huang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, P.R. China
| | - Xiao Song
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University Dezhou Hospital, Dezhou, P.R. China
| | - Jianye Wang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, P.R. China
| | - Liang Li
- Department of Anesthesiology, Qilu Hospital of Shandong University, Jinan, Shandong, P.R. China
| | - Yintao Xu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, P.R. China
| | - Yuyan Ma
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, P.R. China
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Risitano AM, Peffault de Latour R. How we('ll) treat paroxysmal nocturnal haemoglobinuria: diving into the future. Br J Haematol 2021; 196:288-303. [PMID: 34355382 PMCID: PMC9291300 DOI: 10.1111/bjh.17753] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Paroxysmal nocturnal haemoglobinuria (PNH) is characterized by complement-mediated intravascular haemolysis, severe thrombophilia and bone marrow failure. While for patients with bone marrow failure the treatment follows that of immune-mediated aplastic anaemia, that of classic, haemolytic PNH is based on anti-complement medication. The anti-C5 monoclonal antibody eculizumab has revolutionized treatment, resulting in control of intravascular haemolysis and thromboembolic risk, with improved long-term survival. Novel strategies of complement inhibition are emerging. New anti-C5 agents reproduce the safety and efficacy of eculizumab, with improved patient convenience. Proximal complement inhibitors have been developed to address C3-mediated extra-vascular haemolysis and seem to improve haematological response.
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Affiliation(s)
- Antonio Maria Risitano
- Department of Onco-Hematology, AORN San Giuseppe Moscati Avellino, Avellino, Italy.,Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy.,Severe Aplastic Anaemia Working Party (SAAWP) of the European Group for Bone Marrow Transplantation (EBMT), Leiden, the Netherlands
| | - Régis Peffault de Latour
- Severe Aplastic Anaemia Working Party (SAAWP) of the European Group for Bone Marrow Transplantation (EBMT), Leiden, the Netherlands.,French Reference Centre for Aplastic Anaemia and Paroxysmal Nocturnal Haemoglobinuria, Assistance Publique - Hôpitaux de Paris, Saint-Louis Hospital, Paris, France.,Bone Marrow Transplant Unit, Université de Paris, Denis Diderot, Paris, France
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Al-Dosari YM, Al-Zahrani H, Al-Mohareb F, Hashmi S. Pregnancy with Paroxysmal Nocturnal Hemoglobinuria: A Case Series with Review of the Literature. SAUDI JOURNAL OF MEDICINE & MEDICAL SCIENCES 2021; 9:178-189. [PMID: 34084110 PMCID: PMC8152383 DOI: 10.4103/sjmms.sjmms_4_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 12/31/2020] [Accepted: 04/15/2020] [Indexed: 11/25/2022]
Abstract
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare, acquired hematopoietic stem cell disorder, and eculizumab and ravulizumab are its two approved therapies. Only few case series/reports have reported the outcomes of pregnancies in patients with PNH despite the increased risk of thrombosis. Similarly, there is limited knowledge regarding the effect of the approved treatments on conception and pregnancy outcomes. Here, we report the first series of pregnancies in PNH patients from the Middle Eastern region from our tertiary care hospital. Ten pregnancies in four females after diagnosis with PNH were identified. In terms of PNH management, only eculizumab was used, as the safety of ravulizumab use in pregnancies has not yet been established. In the antepartum period, the patients had variable symptoms that ranged from mild symptoms including epistaxis, tea-colored urine and vaginal bleeding to life-threatening vessel thrombosis. Further, red blood cell and platelet transfusions were required because of bleeding and hemolysis in four pregnancies. The pregnancy outcomes varied, but based on these, the safety of eculizumab use during pregnancy remained inconclusive. The postpartum period was complicated in one case by portal vein thrombosis and was managed accordingly. In conclusion, pregnant females with PNH are at an increased risk for complications due to PNH, and thus experienced hematologists and obstetricians should be involved jointly in their care.
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Affiliation(s)
- Yara Mohammad Al-Dosari
- Internal Medicine Department, Bahrain Defence Force Hospital and Royal Medical Services, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.,King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Hazza Al-Zahrani
- Adult Hematology/Bone Marrow Transplantation Section, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Fahad Al-Mohareb
- Adult Hematology, HSCT Section, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Shahrukh Hashmi
- Adult Hematology/Bone Marrow Transplantation Section, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.,Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
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Patriquin CJ, Kiss T, Caplan S, Chin-Yee I, Grewal K, Grossman J, Larratt L, Marceau D, Nevill T, Sutherland DR, Wells RA, Leber B. How we treat paroxysmal nocturnal hemoglobinuria: A consensus statement of the Canadian PNH Network and review of the national registry. Eur J Haematol 2018; 102:36-52. [PMID: 30242915 DOI: 10.1111/ejh.13176] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2018] [Indexed: 12/27/2022]
Abstract
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare hematologic disease characterized by intravascular hemolysis, thrombophilia, and marrow failure. Its phenotype is due to absent or reduced expression of GPI-linked complement regulators and subsequent sensitivity of hematopoietic cells to complement-mediated damage and lysis. Introduction of the terminal complement inhibitor eculizumab drastically improved outcomes in PNH patients; however, despite this improvement, there remain several challenges faced by PNH patients and physicians who care for them. One of the most important is increasing awareness of the heterogeneity with which patients can present, which can lead to significant delays in recognition. Data from the Canadian PNH Registry are presented to demonstrate the variety of presenting symptoms. In Canada, geography precludes consolidation of care to just a few centers, so management is distributed across academic hospitals, linked together as the Canadian PNH Network. The Network over the last several years has developed educational programs and clinical checklists and has worked to standardize access to diagnostics across the country. Herein, we address some of the common diagnostic and therapeutic challenges faced by PNH physicians and give our recommendations. Gaps in knowledge are also addressed, and where appropriate, consensus opinion is provided.
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Affiliation(s)
| | - Thomas Kiss
- Division of Hematology, Oncology and Transplantation, Hôpital Maisonneuve-Rosemont, Université de Montréal, Montréal, Québec, Canada
| | - Stephen Caplan
- Transfusion Services, Jewish General Hospital, Montreal, Quebec, Canada
| | - Ian Chin-Yee
- Divisions of Hematology and Pathology & Laboratory Medicine, Schulich School of Medicine, Western University, London, Ontario, Canada
| | - Kuljit Grewal
- Department of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
| | - Jennifer Grossman
- Division of Hematology and Hematological Malignancies, University of Calgary, Calgary, Alberta, Canada
| | - Loree Larratt
- Division of Hematology, University of Alberta, Edmonton, Alberta, Canada
| | - Daniele Marceau
- Division of Hematology and Oncology, Laval University, Quebec City, Quebec, Canada
| | - Tom Nevill
- Leukemia/BMT Program of British Columbia, BC Cancer Agency, Vancouver, British Columbia, Canada
| | | | - Richard A Wells
- Odette Cancer Centre, Sunnybrook Health Sciences, Toronto, Ontario, Canada
| | - Brian Leber
- Division of Hematology & Thromboembolism, McMaster University, Hamilton, Ontario, Canada
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Sicre de Fontbrune F, Peffault de Latour R. Ten Years of Clinical Experience With Eculizumab in Patients With Paroxysmal Nocturnal Hemoglobinuria. Semin Hematol 2018; 55:124-129. [DOI: 10.1053/j.seminhematol.2018.04.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 04/03/2018] [Indexed: 12/12/2022]
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Postpartum thrombotic complication in a patient with paroxysmal nocturnal hemoglobinuria. Blood Coagul Fibrinolysis 2016; 26:458-63. [PMID: 25688459 DOI: 10.1097/mbc.0000000000000250] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal nonneoplastic hematopoietic stem cell disease characterized by an acquired mutation of the PIG-A gene with reduction or absence of CD55 and CD59. The absence of these proteins renders PNH erythrocytes susceptible to complement-mediated hemolysis. We report the case of a PNH patient before and during pregnancy until delivery. We observed and treated some postpartum thrombotic complications. Eculizumab should be used with caution in pregnancy. There are several reports supporting its use in these patients. This case should be considered paradigmatic of a series of clinical situations that may occur in the course of a pregnancy in patients with PNH: increased need for transfusion, need to increase the dose of Eculizumab, and insurgence of fetal sufferance. Moreover, after delivery, the patient, despite adequate prophylaxis with low-molecular-weight heparins, presented severe complications: development of pleural and peritoneal effusion, pulmonary embolism, bilateral upper limbs thrombophlebitis, and a possible abdominal angina with a transient paralytic ileus. All these complications were overcome and now the baby is healthy and the mother has returned to the usual therapeutic regimen.
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Kelly RJ, Höchsmann B, Szer J, Kulasekararaj A, de Guibert S, Röth A, Weitz IC, Armstrong E, Risitano AM, Patriquin CJ, Terriou L, Muus P, Hill A, Turner MP, Schrezenmeier H, Peffault de Latour R. Eculizumab in Pregnant Patients with Paroxysmal Nocturnal Hemoglobinuria. N Engl J Med 2015; 373:1032-9. [PMID: 26352814 DOI: 10.1056/nejmoa1502950] [Citation(s) in RCA: 162] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Eculizumab, a humanized monoclonal antibody against complement protein C5 that inhibits terminal complement activation, has been shown to prevent complications of paroxysmal nocturnal hemoglobinuria (PNH) and improve quality of life and overall survival, but data on the use of eculizumab in women during pregnancy are scarce. METHODS We designed a questionnaire to solicit data on pregnancies in women with PNH and sent it to the members of the International PNH Interest Group and to the physicians participating in the International PNH Registry. We assessed the safety and efficacy of eculizumab in pregnant patients with PNH by examining the birth and developmental records of the children born and adverse events in the mothers. RESULTS Of the 94 questionnaires that were sent out, 75 were returned, representing a response rate of 80%. Data on 75 pregnancies in 61 women with PNH were evaluated. There were no maternal deaths and three fetal deaths (4%). Six miscarriages (8%) occurred during the first trimester. Requirements for transfusion of red cells increased during pregnancy, from a mean of 0.14 units per month in the 6 months before pregnancy to 0.92 units per month during pregnancy. Platelet transfusions were given in 16 pregnancies. In 54% of pregnancies that progressed past the first trimester, the dose or the frequency of use of eculizumab had to be increased. Low-molecular-weight heparin was used in 88% of the pregnancies. Ten hemorrhagic events and 2 thrombotic events were documented; both thrombotic events occurred during the postpartum period. A total of 22 births (29%) were premature. Twenty cord-blood samples were examined for the presence of eculizumab; the drug was detected in 7 of the samples. A total of 25 babies were breast-fed, and in 10 of these cases, breast milk was examined for the presence of eculizumab; the drug was not detected in any of the 10 breast-milk samples. CONCLUSIONS Eculizumab provided benefit for women with PNH during pregnancy, as evidenced by a high rate of fetal survival and a low rate of maternal complications. (ClinicalTrials.gov number, NCT01374360.).
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Affiliation(s)
- Richard J Kelly
- From Department of Haematology, St. James's University Hospital, Leeds (R.J.K., A.H.), and Haematological Medicine, Kings College Hospital, London (A.K.) - both in the United Kingdom; University of Ulm and German Red Cross Blood Transfusion Service Baden-Württemberg-Hessen, Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, Ulm (B.H., H.S.), and Department of Hematology, University Hospital of Essen, Essen (A.R.) - both in Germany; PNH Subcommittee of the Severe Aplastic Anemia Working Party of the European Group for Blood and Marrow Transplantation, Leiden (B.H., A.K., A.M.R., L.T., H.S., R.P.L.), and Radboud University Medical Center, Nijmegen (P.M.) - both in the Netherlands; Department of Clinical Haematology, the Royal Melbourne Hospital and University of Melbourne, Parkville, VIC, Australia (J.S.); Department of Hematology, University Hospital, Rennes (S.G.), Clinical Immunology, Department of Internal Medicine, University Hospital of Lille, Lille (L.T.), and Assistance Publique-Hôpitaux de Paris, Service d'Hématologie-Greffe, Hôpital Saint-Louis, University Paris Diderot, Sorbonne Paris Cité, Centre de Référence Aplasie Médullaire-HPN, and Filière de Santé Maladie Rare Immuno-Hématologique (MARIH), Paris (R.P.L.) - all in France; Jane Anne Nohl Division of Hematology, Keck School of Medicine of University of Southern California, Los Angeles (I.C.W.); Department of Hematology, Helsinki University Central Hospital, Helsinki (E.A.); Hematology, Department of Clinical Medicine and Surgery, Federico II, University of Naples, Naples, Italy (A.M.R.); Hematology and Thromboembolism, McMaster University, Hamilton, ON, Canada (C.J.P.); and ICON Clinical Research, San Francisco (M.P.T.)
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8
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Samadder NJ, Casaubon L, Silver F, Cavalcanti R. Neurological Complications of Paroxysmal Nocturnal Hemoglobinuria. Can J Neurol Sci 2014; 34:368-71. [PMID: 17803040 DOI: 10.1017/s0317167100006855] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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9
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Morita Y, Nishimura JI, Shimada T, Tanaka H, Serizawa K, Taniguchi Y, Tsuritani M, Kanakura Y, Matsumura I. Successful anticoagulant therapy for two pregnant PNH patients, and prospects for the eculizumab era. Int J Hematol 2013; 97:491-7. [DOI: 10.1007/s12185-013-1302-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 02/18/2013] [Accepted: 02/19/2013] [Indexed: 10/27/2022]
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Goonewardene M, Shehata M, Hamad A. Anaemia in pregnancy. Best Pract Res Clin Obstet Gynaecol 2011; 26:3-24. [PMID: 22138002 DOI: 10.1016/j.bpobgyn.2011.10.010] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 10/19/2011] [Accepted: 10/19/2011] [Indexed: 11/16/2022]
Abstract
Anaemia in pregnancy, defined as a haemoglobin concentration (Hb) < 110 g/L, affects more than 56 million women globally, two thirds of them being from Asia. Multiple factors lead to anaemia in pregnancy, nutritional iron deficiency anaemia (IDA) being the commonest. Underlying inflammatory conditions, physiological haemodilution and several factors affecting Hb and iron status in pregnancy lead to difficulties in establishing a definitive diagnosis. IDA is associated with increased maternal and perinatal morbidity and mortality, and long-term adverse effects in the new born. Strategies to prevent anaemia in pregnancy and its adverse effects include treatment of underlying conditions, iron and folate supplementation given weekly for all menstruating women including adolescents and daily for women during pregnancy and the post partum period, and delayed clamping of the umbilical cord at delivery. Oral iron is preferable to intravenous therapy for treatment of IDA. B12 and folate deficiencies in pregnancy are rare and may be due to inadequate dietary intake with the latter being more common. These vitamins play an important role in embryo genesis and hence any relative deficiencies may result in congenital abnormalities. Finding the underlying cause are crucial to the management of these deficiencies. Haemolytic anaemias rare also rare in pregnancy, but may have life-threatening complications if the diagnosis is not made in good time and acted upon appropriately.
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Affiliation(s)
- Malik Goonewardene
- Department of Obstetrics and Gynaecology, University of Ruhuna, Faculty of Medicine, Galle, Sri Lanka.
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de Guibert S, Peffault de Latour R, Varoqueaux N, Labussière H, Rio B, Jaulmes D, Eveillard JR, Dulucq S, Stoppa AM, Bouscary D, Girodon F, Bonnotte B, Laskri D, Socié G, Lamy T. Paroxysmal nocturnal hemoglobinuria and pregnancy before the eculizumab era: the French experience. Haematologica 2011; 96:1276-83. [PMID: 21606169 DOI: 10.3324/haematol.2010.037531] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Pregnancy in women with paroxysmal nocturnal hemoglobinuria is rare, with few reports on maternal and fetal mortality rates. DESIGN AND METHODS A specific questionnaire designed to solicit data on pregnancies in women with paroxysmal nocturnal hemoglobinuria was sent to all members of the French Society of Hematology in January 2008. RESULTS We identified 27 pregnancies in 22 women at 10 French Society of Hematology centers between 1978 and 2008. The median age was 21.5 years at diagnosis of paroxysmal nocturnal hemoglobinuria and 27 years at pregnancy. None of these women had received eculizumab during their pregnancy. Maternal complications, consisting mostly of cytopenias requiring transfusions, occurred in 95% of cases. Two cases of severe aplastic anemia (de novo in one case and relapse in the other) were recorded. No thrombotic events occurred during pregnancy, whereas 4 postpartum thromboses (16%) were recorded, 2 of which were fatal (maternal mortality rate 8%). Most patients received antithrombotic prophylaxis during pregnancy and postpartum (n=16; 64%). Delivery was preterm in 29% of cases, and birth weight was less than 3 kg in 53% of cases. Fetal mortality rate was 4%. CONCLUSIONS Pregnancy during paroxysmal nocturnal hemoglobinuria is associated with increased maternal and fetal mortality rates (8% and 4%, respectively, in this series). Maternal mortality is related to postpartum thromboses. Prophylactic anticoagulation is recommended during pregnancy and for six weeks postpartum.
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Affiliation(s)
- Sophie de Guibert
- Hématologie Clinique, Centre Hospitalier Pontchaillou, Rennes, France
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Clinical management of paroxysmal nocturnal haemoglobinuria in pregnancy: three case reports. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2010; 9:99-103. [PMID: 21084002 DOI: 10.2450/2010.0024-10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Received: 03/24/2010] [Accepted: 08/02/2010] [Indexed: 01/09/2023]
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Kelly R, Arnold L, Richards S, Hill A, Bomken C, Hanley J, Loughney A, Beauchamp J, Khursigara G, Rother RP, Chalmers E, Fyfe A, Fitzsimons E, Nakamura R, Gaya A, Risitano AM, Schubert J, Norfolk D, Simpson N, Hillmen P. The management of pregnancy in paroxysmal nocturnal haemoglobinuria on long term eculizumab. Br J Haematol 2010; 149:446-50. [DOI: 10.1111/j.1365-2141.2010.08099.x] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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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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Hoekstra J, Leebeek FWG, Plessier A, Raffa S, Darwish Murad S, Heller J, Hadengue A, Chagneau C, Elias E, Primignani M, Garcia-Pagan JC, Valla DC, Janssen HLA. Paroxysmal nocturnal hemoglobinuria in Budd-Chiari syndrome: findings from a cohort study. J Hepatol 2009; 51:696-706. [PMID: 19664836 DOI: 10.1016/j.jhep.2009.06.019] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Revised: 05/27/2009] [Accepted: 06/16/2009] [Indexed: 02/07/2023]
Abstract
BACKGROUND/AIMS A well recognized cause of Budd-Chiari syndrome (BCS) is paroxysmal nocturnal hemoglobinuria (PNH). PNH is an acquired disorder of hematopoietic stem cells, characterized by intravascular hemolysis and venous thrombosis. Testing for this hematological disorder should be considered in all BCS patients. METHODS Using data from the EN-Vie study, a multi-center study of 163 patients with BCS, we investigated the relationship between BCS and PNH in 15 patients with combined disease and compared the results to 62 BCS patients in whom PNH was excluded. RESULTS Median follow-up for the study group (n=77) was 20 months (range 0-44 months). BCS patients with PNH presented with a significantly higher percentage of additional splanchnic vein thrombosis (SVT) as compared to BCS patients without PNH (47% vs. 10%, p=0.002). During follow-up, type and frequency of interventions for BCS was similar between both groups. Six patients with BCS and PNH were successfully treated with a transjugular intrahepatic portosystemic shunt (TIPS). Of 15 patients with PNH, six underwent allogenic stem cell transplantation after diagnosis of BCS. PNH was successfully cured in five cases. There was no significant difference in survival between BCS patients with and without PNH. CONCLUSIONS This study shows that despite a higher frequency of additional SVT, short-term prognosis of BCS patients with PNH does not differ from BCS patients without PNH. Treatment with TIPS can be safely performed in patients with PNH. Stem cell transplantation appears to be a feasible treatment option for PNH in BCS patients.
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Affiliation(s)
- Jildou Hoekstra
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, 's Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
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Magnani HN. An analysis of clinical outcomes of 91 pregnancies in 83 women treated with danaparoid (Orgaran). Thromb Res 2009; 125:297-302. [PMID: 19656552 DOI: 10.1016/j.thromres.2009.06.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Revised: 05/07/2009] [Accepted: 06/02/2009] [Indexed: 10/20/2022]
Abstract
UNLABELLED Danaparoid case reports of 91 pregnancies in 83 patients with a history of thrombophilia and/or intra-uterine growth retardation have been analysed. All had intolerance to the heparins including HIT and acute or past thromboses or a history of repeated pregnancy loss (RPL). Danaparoid was started in the first, second and third trimesters in 60.2%, 19.3% and 20.5% pregnancies respectively at a dosing intensity of 1000 to 7500 U/day. Subcutaneous and/or intravenous administration was continued for a median 105 days (range 1-252) during pregnancy and 7 days (range 2 to 56) post-partum. The live birth rate was 90.4% (75/81) and danaparoid was restarted after 37 deliveries. Maternal adverse events in 46.2% of the pregnancies included 2 post cesarean deaths (a failed post-operative resuscitation and a major bleed in a patient refusing transfusion), 3 non-fatal major bleeds (associated with cesarean section and faulty placental implantation), 3 thrombo-embolic events unresponsive to danaparoid dose increase and 10 recurrent rashes. Seven early miscarriages, 1 therapeutic termination and 1 neonatal death occurred. In 13 reports a maternal, but no fetal, adverse event was attributed to danaparoid. Anti-Xa activity levels in maternal plasma were between 0.1 and 1.2 U/mL, absent from 6 fetal cord blood samples and 0 - 0.07 U/mL in the 5 maternal breast milk samples tested. CONCLUSION The successful birth rate and adverse event profile indicates that danaparoid can be an effective and safe alternative anti-thrombotic in pregnancies complicated by HIT or intolerance or resistance to (LMW)heparins.
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Allen TK, George RB, Olufolabi AJ, James AH, Muir HA, Habib AS. The management of Cesarean delivery in a parturient with paroxysmal nocturnal hemoglobinuria complicated by severe preeclampsia. Can J Anaesth 2007; 54:646-51. [PMID: 17666718 DOI: 10.1007/bf03022959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
PURPOSE To describe the anesthetic and peripartum management of a parturient with paroxysmal nocturnal hemoglobinuria complicated by severe preeclampsia, review the pathophysiology of this condition, rationale for thromboembolic prophylaxis, and its implications on the choice of labour analgesia and anesthesia. CLINICAL FEATURES A 35-yr-old primigravida was diagnosed with paroxysmal nocturnal hemoglobinuria at 18 weeks gestation following new onset pancytopenia. Venous thromboembolic prophylaxis with low molecular weight heparin (LMWH) was started, and continued despite a persistent thrombocytopenia. At 34 weeks, labour was induced after she developed signs of severe preeclampsia, and intravenous magnesium sulfate therapy was commenced. The use of a twice daily dosing regime of LMWH, along with severe thrombocytopenia contraindicated neuraxial anesthesia. As a result, labour analgesia was provided with an intravenous patient-controlled analgesia system with fentanyl. The patient subsequently had an uneventful Cesarean delivery under general anesthesia. Anticoagulation with LMWH was restarted postoperatively, and continued for six weeks postpartum. She was discharged home on day 20 postpartum, on oral prednisolone under the care of the hematologists. CONCLUSION Paroxysmal nocturnal hemoglobinuria is associated with an increased risk of venous thromboembolism, and so anticoagulation therapy assumes primary importance. The use of LMWH for prophylaxis in combination with thrombocytopenia may contraindicate neuraxial anesthesia. General anesthesia should be aimed at preventing or exacerbating complement mediated intravascular hemolysis.
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Affiliation(s)
- Terrence K Allen
- Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA.
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Ziakas PD, Poulou LS, Rokas GI, Bartzoudis D, Voulgarelis M. Thrombosis in paroxysmal nocturnal hemoglobinuria: sites, risks, outcome. An overview. J Thromb Haemost 2007; 5:642-5. [PMID: 17319910 DOI: 10.1111/j.1538-7836.2007.02379.x] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Fieni S, Bonfanti L, Gramellini D, Benassi L, Delsignore R. Clinical Management of Paroxysmal Nocturnal Hemoglobinuria in Pregnancy: A Case Report and Updated Review. Obstet Gynecol Surv 2006; 61:593-601. [PMID: 16919177 DOI: 10.1097/01.ogx.0000234794.27485.59] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
UNLABELLED Because women with paroxysmal nocturnal hemoglobinuria (PNH) are especially vulnerable to thromboembolic phenomena, pregnancy is a time of increased risk for both mother and fetus. However, pregnancies in affected women are rare; only case reports and small studies have been reported so far. We present the case of a 20-year-old woman with PNH who, while undergoing medical tests in preparation for a bone marrow transplant, was discovered to be pregnant. We also review the obstetric literature on pregnancy complicated by PNH, which indicates that both maternal and fetal mortality is exceptionally high (11.6% and 7.2%) with the major cause of maternal mortality being thromboembolism. Major maternal complications are more frequent postpartum (30.2%) than antepartum or intrapartum (16.3%). TARGET AUDIENCE Obstetricians & Gynecologists, Family Physicians. LEARNING OBJECTIVES After completion of this article, the reader should be able to recall that paroxysmal nocturnal hemoglobinuria (PNH) during pregnancy increases adverse events for both the mother and the fetus, state that maternal and fetal mortality are both high, and explain that the major complications occur in the postpartum period.
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Affiliation(s)
- Stefania Fieni
- Gynecology, Obstetrics and Neonatology Department, University of Parma, Parma, Italy
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Kristoffersen EK, Haram KO, Edvardsen B, Ernst P, Bjørge L. Placental expression of glycophosphatidylinositol (GPI)-anchored proteins in paroxysmal nocturnal haemoglobinuria. Scand J Immunol 2006; 64:140-4. [PMID: 16867159 DOI: 10.1111/j.1365-3083.2006.01777.x] [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: 11/27/2022]
Abstract
Paroxysmal nocturnal haemoglobinuria (PNH) is a clonal stem cell disorder in which a defect of glycophosphatidylinositol (GPI)-anchored proteins leads to higher morbidity and mortality because of intravascular haemolysis, haemoglobinuria, pancytopenia and an increased frequency of thrombotic events. We report here the clinical features of a pregnant woman with PNH and present an immunhistochemical analysis of complement regulators, leukocyte activation markers and placental alkaline phosphatase (PALP) on syncytiotrophoblasts and inflammatory cells in her placenta. Placental tissue from normal deliveries served as controls. The patient had severe PNH with haemolysis, thrombosis episodes and signs of bone marrow failure. Placental syncytiotrophoblasts and villous cells of fetal origin in both normal placentas and the placenta from the PNH patient expressed PALP and the complement regulators CD46, CD55 and CD59. Additionally, CD11b-positive leukocytes of presumed maternal origin were negative for CD15 in the PNH placenta, while they stained positive within the villous space and in normal placentas. These findings show that fetally derived cells in the PNH placenta expressed GPI-linked molecules that are known to be of importance for a successful pregnancy outcome.
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Affiliation(s)
- E K Kristoffersen
- The Gade Institute, Department of Microbiology and Immunology, University of Bergen and Haukeland University Hospital, Bergen, Norway
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García-Ré M, Guilabert A, Toledano C, Hijona J, Gómez-Arias J, Torres J. Hemoglobinuria paroxística nocturna y gestación. CLINICA E INVESTIGACION EN GINECOLOGIA Y OBSTETRICIA 2004. [DOI: 10.1016/s0210-573x(04)77362-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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