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Greenmyer JR, Wyatt KD, Rodriguez V, Ashrani AA, Warad D. Management Practices for Asparaginase-associated Coagulopathy: A Survey of Pediatric Oncologists. J Pediatr Hematol Oncol 2022; 44:e1023-e1028. [PMID: 35001056 DOI: 10.1097/mph.0000000000002396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 12/08/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Coagulopathy and thrombosis are well-described complications of asparaginase therapy. However, treatment practices in pediatric hematology/oncology (PHO) patients vary widely as evidence-based guidelines for clinical management of these complications in this population are lacking. OBJECTIVE The objective of this study was to assess management practices of asparaginase-related coagulopathy by pediatric hematologist/oncologist attending physicians. DESIGN/METHOD Email survey sent to 2327 PHO physicians primarily practicing in the United States. RESULTS Two hundred eighty-five (12.2%) attending physicians completed the survey. Only 4.6% (n=13/285) routinely prescribe prophylactic anticoagulation during induction chemotherapy for leukemia. Slightly more than half (n=145/250, 50.9%) of all providers perform baseline coagulation studies. Most providers that were surveyed (n=185/285, 64.9%) only replete coagulant factors if the patient experiences bleeding or bruising. One hundred thirty (n=130/285, 45.6%) physicians replace low fibrinogen. The median fibrinogen replacement was 100 mg/dL (range: 40 to 200 mg/dL) with the median target of at least 100 mg/dL (range: 50 to 200 mg/dL). A minority of physicians (n=39/250, 13.7%) replace low antithrombin. The median antithrombin cutoff activity level was 60% (range: 40% to 100%) with a median target of 75% (range: 40% to 125%). CONCLUSIONS There is a significant variation in PHO physician practices for monitoring and management of asparaginase-associated hemostatic derangements. Evidence-based guidelines have the potential to standardize practices.
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Affiliation(s)
| | - Kirk D Wyatt
- Department of Pediatric Hematology and Oncology, Sanford Health, Fargo, ND
| | - Vilmarie Rodriguez
- Department of Pediatric Hematology and Oncology, Nationwide Children's, Columbus, OH
| | | | - Deepti Warad
- Pediatric Hematology and Oncology, Mayo Clinic, Rochester, MN
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2
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Rodriguez V. Thrombosis Complications in Pediatric Acute Lymphoblastic Leukemia: Risk Factors, Management, and Prevention: Is There Any Role for Pharmacologic Prophylaxis? Front Pediatr 2022; 10:828702. [PMID: 35359904 PMCID: PMC8960248 DOI: 10.3389/fped.2022.828702] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/26/2022] [Indexed: 01/19/2023] Open
Abstract
Pediatric acute lymphoblastic leukemia (ALL) has achieved close to 90% cure rates through extensive collaborative and integrative molecular research, clinical studies, and advances in supportive care. Despite this high achievement, venous thromboembolic complications (VTE) remain one of the most common and potentially preventable therapy-associated adverse events in ALL. The majority of thromboses events involve the upper central venous system which is related to the use and location of central venous catheters (CVC). The reported rates of symptomatic and asymptomatic CVC-related VTE range from 2.6 to 36.7% and 5.9 to 43%, respectively. Thrombosis can negatively impact not only disease-free survival [e.g., therapy delays and/or interruption, omission of chemotherapy agents (e.g., asparaginase therapy)] but also can result in long-term adverse effects that can impair the quality of life of ALL survivors (e.g., post-thrombotic syndrome, central nervous system (CNS)-thrombosis related complications: seizures, neurocognitive deficits). In this review, will discuss thrombosis pathophysiology in pediatric ALL, risk factors, treatment, and prevention strategies. In addition, the recently published clinical efficacy and safety of direct oral anticoagulants (DOACs) use in thrombosis treatment, and their potential role in primary/secondary thrombosis prevention in pediatric patients with ALL will be discussed. Future clinical trials involving the use of these novel oral anticoagulants should be studied in ALL not only for primary thrombosis prevention but also in the treatment of thrombosis and its secondary prevention. These future research findings could potentially extrapolate to VTE prevention strategies in other pediatric cancer diagnoses and children considered at high risk for VTE.
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3
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Liu J, Yang C, Zhang Z, Li Y. Cerebral venous sinus thrombosis in a young child with acute lymphoblastic leukemia: a case report and literature review. J Int Med Res 2021; 49:300060520986291. [PMID: 33504240 PMCID: PMC7871092 DOI: 10.1177/0300060520986291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is a hematological malignancy. There are many risk factors for thrombus development in patients with ALL, and thrombi may develop in different parts of the body. Cerebral venous sinus thrombosis (CVST) is a rare complication of ALL that usually appears during treatment. We present a patient who developed CVST twice, once before diagnosis and once after treatment for ALL. We also reviewed the literature describing ALL and CVST.
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Affiliation(s)
- Jingwei Liu
- Department of Pediatrics Intensive Care Unit, The First Hospital of Jilin University, Changchun, China
| | - Chunfeng Yang
- Department of Pediatrics Intensive Care Unit, The First Hospital of Jilin University, Changchun, China
| | - Zhen Zhang
- Department of Pediatrics Intensive Care Unit, The First Hospital of Jilin University, Changchun, China
| | - Yumei Li
- Department of Pediatrics Intensive Care Unit, The First Hospital of Jilin University, Changchun, China
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Human Fibrinogen Concentrate and Fresh Frozen Plasma in the Management of Severe Acquired Hypofibrinogenemia in Children With Acute Lymphoblastic Leukemia: Results of a Retrospective Survey. J Pediatr Hematol Oncol 2019; 41:275-279. [PMID: 30640822 DOI: 10.1097/mph.0000000000001390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE OF THE STUDY In this study we aimed to retrospectively evaluate how centers, belonging to the Associazione Italiana Ematologia e Oncologia Pediatrica (AIEOP), manage severe acquired hypofibrinogenemia in children with acute lymphoblastic leukemia, particularly evaluating the therapeutic role of human fibrinogen concentrate (HFC) and fresh frozen plasma (FFP). METHODS We conducted a survey among AIEOP centers; thereafter, we collected and analyzed data with regard to the treatment of episodes of severe acquired hypofibrinogenemia occurring during the induction and reinduction phases of the AIEOP-BFM ALL 2009 protocol. RESULTS In total, 15 of the 37 AIEOP centers invited to join the survey agreed to collect the data, with 10 and 5 centers declaring to react to severe acquired hypofibrinogenemia (<70 mg/dL) by administering HFC or FFP, respectively. Of the 150 episodes of severe hypofibrinogenemia occurring in 101 patients, 47.3% were treated with HFC and 52.7% with FFP, with a normalization of fibrinogen levels achieved in greater proportion and in a shorter amount of time in the HFC group as compared with the FFP group. None of the patients presented with bleeding or thrombosis during the observation period. CONCLUSIONS Even with the limitations of the retrospective nature of this study, HFC seems to be a safe and effective alternative to FFP for replacement therapy in case of severe hypofibrinogenemia in children with acute lymphoblastic leukemia.
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Thu Huynh V, Bergeron S. Asparaginase Toxicities: Identification and Management in Patients With Acute Lymphoblastic Leukemia
. Clin J Oncol Nurs 2018; 21:E248-E259. [PMID: 28945721 DOI: 10.1188/17.cjon.e248-e259] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Acute lymphoblastic leukemia (ALL) is a common cancer in children, and outcomes have greatly improved because of the refinement of multiagent chemotherapy regimens that include intensified asparaginase therapy. Asparaginase, a cornerstone of modern pediatric chemotherapy regimens for ALL and asparaginase-containing protocols, is increasingly used in adolescent and adult patients historically treated with asparaginase-free regimens.
. OBJECTIVES This article is an overview of commonly encountered asparaginase-
associated toxicities and offers recommendations for treatment management.
. METHODS A literature review was conducted, reviewing asparaginase and common toxicities, specifically hypersensitivity, pancreatitis, thrombosis, hyperbilirubinemia, and hyperglycemia.
. FINDINGS The rapid identification and management of common asparaginase-associated adverse events can reduce symptom severity and limit potential interruptions to therapy, possibly improving outcomes.
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6
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Alqasim AMZ, Al-Hadithi RH, Al-Khalidi AN. Coagulopathic side effect of L-asparaginase on fibrinogen level in childhood acute lymphoblastic leukemia during induction phase. Hematol Oncol Stem Cell Ther 2018; 12:67-69. [PMID: 29406239 DOI: 10.1016/j.hemonc.2018.01.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 12/16/2017] [Accepted: 01/05/2018] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND L-asparaginase is chemotherapeutic agent commonly used in treatment of Acute Lymphoblastic Leukemia. Thromboembolic and to a lesser extent bleeding events are serious complications associated with administration of this drug during the induction phase in ALL especially in children resulting from reduced synthesis of proteins such as Antithrombin & fibrinogen. OBJECTIVE Evaluation of the coagulopathic side effect of L-asparaginase during the induction phase in treatment of ALL in children by measuring fibrinogen levels before & after administration of this drug. SUBJECTS & METHOD An interventional prospective study was performed on 30 newly diagnosed children with ALL, all of them received 9 cycles of L-asparaginase during the induction phase according to UKALL 2003 Protocol. Fibrinogen was measured before & after treatment with L-asparaginase and the results are compared to a control group of 30 healthy children age & sex matched. RESULTS Reduced fibrinogen level is observed in 13 out of 30 patients (43.3%) after treatment with L-asparaginase ranging from 25 to 110 mg/dl with means fibrinogen before & after treatment of 252 ± 16.40 mg/dl & 158.97 ± 17.88 mg/dl respectively (p < .0001). CONCLUSION Significant reduction in fibrinogen level occurred in childhood ALL patients after treatment with L-asparaginase.
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7
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Kim HJ, Ock CY, Kim TM, Lee SH, Lee JY, Jung SH, Cho YS, Kim M, Keam B, Kim DW, Kim IH, Heo DS. Comparison of Native Escherichia coli L-Asparaginase versus Pegylated Asparaginase, in Combination with Ifosfamide, Methotrexate, Etoposide, and Prednisolone, in Extranodal NK/T-Cell Lymphoma, Nasal Type. Cancer Res Treat 2017; 50:670-680. [PMID: 28675023 PMCID: PMC6056977 DOI: 10.4143/crt.2017.051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 06/26/2017] [Indexed: 01/19/2023] Open
Abstract
Purpose The aim of this study was to compare asparaginase-related toxicities in two asparaginase preparations, namely native Escherichia coli L-asparaginase (L-ASP) and pegylated asparaginase (PEG-ASP) in combination with ifosfamide, methotrexate, etoposide, and prednisolone (IMEP) in natural killer (NK)/T-cell lymphoma (NTCL). Materials and Methods A total of 41 NTCL patients who received IMEP plus native E. coli L-ASP or PEG-ASP at Seoul National University Hospital were included in this study between January 2013 and March 2016. IMEP/ASP treatment consisted of ifosfamide, methotrexate, etoposide, plus native E. coli L-ASP (6,000 IU/m2 on days 1, 3, 5, 7, 9, and 11) or PEG-ASP (2,500 IU/m2 on day 1) every 3 weeks. ASP-related toxicities, toxicity patterns, length of hospital stay, and clinical outcomes were compared between the different treatment groups. Results The frequency of ASP-related toxicities was similar between the IMEP plus native E. coli L-ASP group and the PEG-ASP group apart from hypofibrinogenemia (native E. coli L-ASP vs. PEG-ASP group, 86.4% vs. 36.8%; p=0.001). Although post-treatment transaminase and albumin levels were significantly high and low, respectively, hepatotoxicity gradients before and after treatment did not differ significantly between the groups. Since PEG-ASP was given at an outpatient clinic in some patients, length of hospital stay was significantly shorter in the IMEP plus PEG-ASP group (median, 4.0 vs. 6.0 days; p=0.002). A favorable tendency of clinical outcomes was observed in NTCL patients treated with IMEP plus PEG-ASP (complete remission rate, 73.7% vs. 45.5%; p=0.067). Conclusion IMEP plus PEG-ASP showed similar ASP-related toxicities, shorter length of hospital stay, and a trend towards improved clinical outcomes compared with IMEP plus native E. coli L-ASP in NTCL.
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Affiliation(s)
- Hyun Jee Kim
- Department of Pharmacy, Seoul National University Hospital, Seoul, Korea
| | - Chan-Young Ock
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Tae Min Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Seoul National University Cancer Research Institute, Seoul, Korea
| | - Sung Hee Lee
- Department of Pharmacy, Seoul National University Hospital, Seoul, Korea
| | - Ju-Yeun Lee
- College of Pharmacy and Institute of Pharmaceutical Science and Technology, Hanyang University, Guri, Korea
| | - Sun Hoi Jung
- Department of Pharmacy, Seoul National University Hospital, Seoul, Korea
| | - Yoon Sook Cho
- Department of Pharmacy, Seoul National University Hospital, Seoul, Korea
| | - Miso Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Seoul National University Cancer Research Institute, Seoul, Korea
| | - Bhumsuk Keam
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Seoul National University Cancer Research Institute, Seoul, Korea
| | - Dong-Wan Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Seoul National University Cancer Research Institute, Seoul, Korea
| | - Il Han Kim
- Department of Radiation Oncology, Seoul National University Hospital, Seoul, Korea
| | - Dae Seog Heo
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Seoul National University Cancer Research Institute, Seoul, Korea
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8
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Ko RH, Thornburg CD. Venous Thromboembolism in Children with Cancer and Blood Disorders. Front Pediatr 2017; 5:12. [PMID: 28220143 PMCID: PMC5292750 DOI: 10.3389/fped.2017.00012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/18/2017] [Indexed: 01/19/2023] Open
Abstract
Venous thromboembolism (VTE) in children is multifactorial and most often related to a combination of inherited and acquired thrombophilias. Children with cancer and blood disorders are often at risk for VTE due to disease-related factors such as inflammation and abnormal blood flow and treatment-related factors such as central venous catheters and surgery. We will review risk factors for VTE in children with leukemia, lymphoma, and solid tumors. We will also review risk factors for VTE in children with blood disorders with specific focus on sickle cell anemia and hemophilia. We will present the available evidence and clinical guidelines for prevention and treatment of VTE in these populations.
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Affiliation(s)
| | - Courtney D Thornburg
- Hemophilia and Thrombosis Treatment Center, Rady Children's Hospital San Diego , San Diego, CA , USA
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9
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Cordelli DM, Masetti R, Zama D, Toni F, Castelli I, Ricci E, Franzoni E, Pession A. Central Nervous System Complications in Children Receiving Chemotherapy or Hematopoietic Stem Cell Transplantation. Front Pediatr 2017; 5:105. [PMID: 28555178 PMCID: PMC5430164 DOI: 10.3389/fped.2017.00105] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 04/25/2017] [Indexed: 01/19/2023] Open
Abstract
Therapy-related neurotoxicity greatly affects possibility of survival and quality of life of pediatric patients treated for cancer. Central nervous system (CNS) involvement is heterogeneous, varying from very mild and transient symptoms to extremely severe and debilitating, or even lethal syndromes. In this review, we will discuss the broad scenario of CNS complications and toxicities occurring during the treatment of pediatric patients receiving both chemotherapies and hematopoietic stem cell transplantation. Different types of complications are reviewed ranging from therapy related to cerebrovascular with a specific focus on neuroradiologic and clinical features.
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Affiliation(s)
- Duccio Maria Cordelli
- Child Neurology and Psychiatry Unit, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Riccardo Masetti
- Department of Pediatrics, "Lalla Seràgnoli", Hematology-Oncology Unit, University of Bologna, Bologna, Italy
| | - Daniele Zama
- Department of Pediatrics, "Lalla Seràgnoli", Hematology-Oncology Unit, University of Bologna, Bologna, Italy
| | - Francesco Toni
- Neuroradiology Department, IRCCS Institute of Neurological Sciences, Bellaria Hospital, Bologna, Italy
| | - Ilaria Castelli
- Department of Pediatrics, "Lalla Seràgnoli", Hematology-Oncology Unit, University of Bologna, Bologna, Italy
| | - Emilia Ricci
- Child Neurology and Psychiatry Unit, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Emilio Franzoni
- Child Neurology and Psychiatry Unit, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Andrea Pession
- Department of Pediatrics, "Lalla Seràgnoli", Hematology-Oncology Unit, University of Bologna, Bologna, Italy
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10
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Hijiya N, van der Sluis IM. Asparaginase-associated toxicity in children with acute lymphoblastic leukemia. Leuk Lymphoma 2015; 57:748-57. [PMID: 26457414 PMCID: PMC4819847 DOI: 10.3109/10428194.2015.1101098] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Asparaginase is an integral component of multiagent chemotherapy regimens for the treatment of children with acute lymphoblastic leukemia. Positive outcomes are seen in patients who are able to complete their entire prescribed course of asparaginase therapy. Toxicities associated with asparaginase use include hypersensitivity (clinical and subclinical), pancreatitis, thrombosis, encephalopathy, and liver dysfunction. Depending on the nature and severity of the toxicity, asparaginase therapy may be altered or discontinued in some patients. Clinical hypersensitivity is the most common asparaginase-associated toxicity requiring treatment discontinuation, occurring in up to 30% of patients receiving Escherichia coli-derived asparaginase. The ability to rapidly identify and manage asparaginase-associated toxicity will help ensure patients receive the maximal benefit from asparaginase therapy. This review will provide an overview of the common toxicities associated with asparaginase use and recommendations for treatment management.
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Affiliation(s)
- Nobuko Hijiya
- a Division of Hematology/Oncology/Stem Cell Transplant, Ann & Robert H. Lurie Children's Hospital of Chicago and Department of Pediatrics, Feinberg School of Medicine , Northwestern University , Chicago , IL , USA
| | - Inge M van der Sluis
- b Department of Pediatric Oncology/Hematology , Erasmus MC-Sophia Children's Hospital , Rotterdam , The Netherlands
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11
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Baytan B, Evim MS, Güler S, Güneş AM, Okan M. Acute Central Nervous System Complications in Pediatric Acute Lymphoblastic Leukemia. Pediatr Neurol 2015. [PMID: 26202590 DOI: 10.1016/j.pediatrneurol.2015.03.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND The outcome of childhood acute lymphoblastic leukemia has improved because of intensive chemotherapy and supportive care. The frequency of adverse events has also increased, but the data related to acute central nervous system complications during acute lymphoblastic leukemia treatment are sparse. The purpose of this study is to evaluate these complications and to determine their long term outcome. PATIENTS AND METHODS We retrospectively analyzed the hospital reports of 323 children with de novo acute lymphoblastic leukemia from a 13-year period for acute neurological complications. The central nervous system complications of leukemic involvement, peripheral neuropathy, and post-treatment late-onset encephalopathy, and neurocognitive defects were excluded. RESULTS Twenty-three of 323 children (7.1%) suffered from central nervous system complications during acute lymphoblastic leukemia treatment. The majority of these complications (n = 13/23; 56.5%) developed during the induction period. The complications included posterior reversible encephalopathy (n = 6), fungal abscess (n = 5), cerebrovascular lesions (n = 5), syndrome of inappropriate secretion of antidiuretic hormone (n = 4), and methotrexate encephalopathy (n = 3). Three of these 23 children (13%) died of central nervous system complications, one from an intracranial fungal abscess and the others from intracranial thrombosis. Seven of the survivors (n = 7/20; 35%) became epileptic and three of them had also developed mental and motor retardation. CONCLUSIONS Acute central neurological complications are varied and require an urgent approach for proper diagnosis and treatment. Collaboration among the hematologist, radiologist, neurologist, microbiologist, and neurosurgeon is essential to prevent fatal outcome and serious morbidity.
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Affiliation(s)
- Birol Baytan
- Department of Pediatric Hematology, Uludag University Medical Faculty, Bursa, Turkey.
| | - Melike Sezgin Evim
- Department of Pediatric Hematology, Uludag University Medical Faculty, Bursa, Turkey
| | - Salih Güler
- Department of Pediatric Hematology, Uludag University Medical Faculty, Bursa, Turkey
| | - Adalet Meral Güneş
- Department of Pediatric Hematology, Uludag University Medical Faculty, Bursa, Turkey
| | - Mehmet Okan
- Department of Pediatric Neurology, Uludag University Medical Faculty, Bursa, Turkey
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Boissel N, Sender LS. Best Practices in Adolescent and Young Adult Patients with Acute Lymphoblastic Leukemia: A Focus on Asparaginase. J Adolesc Young Adult Oncol 2015; 4:118-28. [PMID: 26421220 PMCID: PMC4575545 DOI: 10.1089/jayao.2015.0014] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The inclusion of asparaginase in chemotherapy regimens to treat acute lymphoblastic leukemia (ALL) has had a positive impact on survival in pediatric patients. Historically, asparaginase has been excluded from most treatment protocols for adolescent and young adult (AYA) patients because of perceived toxicity in this population, and this is believed to have contributed to poorer outcomes in these patients. However, retrospective analyses over the past 12 years have shown that 2-, 5-, and 7-year overall survival of AYA patients is significantly improved with pediatric versus adult protocols. The addition of asparaginase to adult protocols yielded high rates of first remission and improved survival. However, long-term survival remains lower compared with what has been seen in pediatrics. The notion that asparaginase is poorly tolerated by AYA patients has been challenged in multiple studies. In some, but not all, studies, the incidences of hepatic and pancreatic toxicities were higher in AYA patients, whereas the rates of hypersensitivity reactions did not appear to differ with age. There is an increased risk of venous thromboembolic events, and management with anti-coagulation therapy is recommended. Overall, the risk of therapy-related mortality is low. Together, this suggests that high-intensity pediatric protocols offer an effective and tolerable approach to treating ALL in the AYA population.
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Affiliation(s)
- Nicolas Boissel
- Department of Adult Hematology, Saint-Louis Hospital, University of Paris, Paris, France
| | - Leonard S. Sender
- Department of Epidemiology, University of California, Irvine, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, Irvine, California
- Hyundai Cancer Institute, CHOC Children's Hospital, Orange, California
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13
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De Stefano V, Za T, Ciminello A, Betti S, Rossi E. Haemostatic alterations induced by treatment with asparaginases and clinical consequences. Thromb Haemost 2014; 113:247-61. [PMID: 25338526 DOI: 10.1160/th14-04-0372] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 09/18/2014] [Indexed: 01/19/2023]
Abstract
The benefit of asparaginase for treating acute lymphoid leukaemia (ALL) has been well established. Native asparaginase derives from Escherichia coli (colaspase) or Erwinia chrysanthemi (crisantaspase); in a third preparation, colaspase is pegylated. Depletion of asparagine leads to decreased synthesis of procoagulant, anticoagulant, and fibrinolytic proteins, with resultant hypercoagulability and greater risk of venous thromboembolism (VTE). Colaspase and crisantaspase are not dose-equivalent, with crisantaspase displaying haemostatic toxicity only at dosages much higher and administered more frequently than those of colaspase. Cerebral venous thrombosis and pulmonary embolism are two life-endangering manifestations that occur during treatment with asparaginase particularly in children and in adults with ALL, respectively. Approximately one-third of VTEs are located in the upper extremities and are central venous line-related. Other risk factors are longer duration of asparaginase treatment and concomitant use of prednisone, anthracyclines, and oral contraceptives. The risk associated with inherited thrombophilia is uncertain but is clearly enhanced by other risk factors or by the use of prednisone. VTE prevention with fresh frozen plasma is not recommended; the efficacy of antithrombin (AT) concentrates has occasionally been reported, but these reports should be confirmed by proper studies, and AT should not be routinely employed. Therapeutic or prophylactic heparin doses are only partially effective, and direct thrombin or factor Xa inhibitors could play significant roles in the near future.
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Affiliation(s)
- Valerio De Stefano
- Valerio De Stefano, MD, Institute of Hematology, Catholic University, Largo Gemelli 8, 00168 Rome, Italy, Tel.: +39 06 30154968, Fax: +39 06 30155209, E-mail:
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Albayrak M, Gürsel T, Kaya Z, Koçak Ü. Alterations in Procoagulant, Anticoagulant, and Fibrinolytic Systems Before and After Start of Induction Chemotherapy in Children With Acute Lymphoblastic Leukemia. Clin Appl Thromb Hemost 2012; 19:644-51. [DOI: 10.1177/1076029612450771] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Induction chemotherapy is associated with increased thrombosis risk in children with acute lymphoblastic leukemia (ALL). In this prospective study, we explored the effects of ALL and induction chemotherapy on the procoagulant, anticoagulant, and fibrinolytic systems in 20 children with ALL. The levels of d-dimer, factor VIII, von Willebrand factor, protein C, antithrombin III, and thrombin-activated fibrinolysis inhibitor (TAFI) were elevated at diagnosis. These changes were not related with peripheral blast count. The levels of fibrinogen, d-dimer, coagulation inhibitors, and plasminogen decreased, whereas the levels of tissue factor pathway inhibitor and plasminogen activator inhibitor 1 increased progressively following prednisolone monotherapy, administration of vincristine plus daunorubicin, and l-asparaginase. The levels of factor VIII, d-dimer, and TAFI remained elevated during the study period. In conclusion, coagulation activation and impaired fibrinolysis already exist at diagnosis, whereas induction chemotherapy leads to reactivation of coagulation and progressive impairment in fibrinolytic and anticoagulant capacities in childhood ALL.
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Affiliation(s)
- Meryem Albayrak
- The Pediatric Hematology Unit of the Department of Pediatrics, Medical School of Gazi University, Ankara, Turkey
| | - Turkiz Gürsel
- The Pediatric Hematology Unit of the Department of Pediatrics, Medical School of Gazi University, Ankara, Turkey
| | - Zuhre Kaya
- The Pediatric Hematology Unit of the Department of Pediatrics, Medical School of Gazi University, Ankara, Turkey
| | - Ülker Koçak
- The Pediatric Hematology Unit of the Department of Pediatrics, Medical School of Gazi University, Ankara, Turkey
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Vagace JM, de la Maya MD, Caceres-Marzal C, Gonzalez de Murillo S, Gervasini G. Central nervous system chemotoxicity during treatment of pediatric acute lymphoblastic leukemia/lymphoma. Crit Rev Oncol Hematol 2012; 84:274-86. [PMID: 22578745 DOI: 10.1016/j.critrevonc.2012.04.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Revised: 04/02/2012] [Accepted: 04/13/2012] [Indexed: 02/02/2023] Open
Abstract
In the last decades, increasing success rates are being obtained in the chemotherapy of pediatric leukemia and lymphoma. However, the cornerstone of this treatment is still formed by a reduced number of drugs with a highly toxic profile. In particular, central nervous system complications remain a challenging clinical problem, requiring rapid detection and prompt treatment to limit permanent damage. Furthermore, clinicians are often challenged to discriminate between CNS involvement by the disease, toxicity of drugs or infections. This clinically oriented review will help recognize and handle the main neurologic adverse effects induced by chemotherapy in pediatric patients with lymphoblastic leukemia/lymphoma. Different clinical entities and putative drugs involved are discussed in each chapter, with clinical cases illustrating the most relevant and challenging events. In addition, specific clinical-radiological patterns of some of these neurologic events are detailed. Finally, the role of pharmacogenetics, with special focus on those polymorphisms that could help explain the occurrence of neurotoxicity, is also discussed.
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Affiliation(s)
- Jose Manuel Vagace
- Service of Pediatric Hematology, Materno Infantil Hospital, Badajoz, Spain.
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Stock W, Douer D, DeAngelo DJ, Arellano M, Advani A, Damon L, Kovacsovics T, Litzow M, Rytting M, Borthakur G, Bleyer A. Prevention and management of asparaginase/pegasparaginase-associated toxicities in adults and older adolescents: recommendations of an expert panel. Leuk Lymphoma 2011; 52:2237-53. [PMID: 21827361 DOI: 10.3109/10428194.2011.596963] [Citation(s) in RCA: 180] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The rapidly increasing use of pegasparaginase (pegASNase) in adults, after a half century of use of asparaginase (ASNase) in children, has prompted a need for guidelines in the management and prevention of toxicities of asparagine depletion in adults. Accordingly, an initial set of recommendations are provided herein. Major advantages of pegASNase are its 2-3-week duration of action, in contrast to less than 3 days with native ASNase, and the flexibility of intravenous or intramuscular administration of pegASNase and associated patient and physician convenience. The most frequent toxicities of both types of ASNase are hepatic and pancreatic, with pancreatitis being the most serious. Other toxicities are hypersensitivity reactions, thrombosis, nausea/vomiting, and fatigue. Whether or not the replacement of one dose of pegASNase for 6-9 doses of native ASNase can be achieved in adults with similar efficacy and acceptable toxicities to those achieved in children remains to be established.
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Latham GJ, Greenberg RS. Anesthetic considerations for the pediatric oncology patient--part 2: systems-based approach to anesthesia. Paediatr Anaesth 2010; 20:396-420. [PMID: 20199611 DOI: 10.1111/j.1460-9592.2010.03260.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
One of the prices paid for chemo- and radiotherapy of cancer in children is damage to the vulnerable and developing healthy tissues of the body. Such damage can exist clinically or subclinically and can become apparent during active antineoplastic treatment or during remission decades later. Furthermore, effects of the tumor itself can significantly impact the physiologic state of the child. The anesthesiologist who cares for children with cancer or for survivors of childhood cancer should understand what effects cancer and its therapy can have on various organ systems. In part two of this three-part review, we review the anesthetic issues associated with childhood cancer. Specifically, this review presents a systems-based approach to the impact from both tumor and its treatment in children, followed by a discussion of the relevant anesthetic considerations.
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Affiliation(s)
- Gregory J Latham
- Department of Anesthesiology and Pain Medicine, Seattle Children's Hospital, University of Washington School of Medicine, 4800 Sand Point Way N.E., Seattle, WA 98105, USA.
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Imamura T, Morimoto A, Kato R, Izumi M, Murakami A, Matuo S, Kiyosawa N, Kano G, Yoshioka H, Sugimoto T, Imashuku S. Cerebral thrombotic complications in adolescent leukemia/lymphoma patients treated with L-asparaginase-containing chemotherapy. Leuk Lymphoma 2009; 46:729-35. [PMID: 16019511 DOI: 10.1080/10428190500052206] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
We described the cerebral thrombotic complications developed in 2 adolescent patients treated with L-asparaginase-containing regimens. For determining risk factors, we retrospectively analysed hemostatic markers in 19 pediatric patients with leukemia or lymphoma who were treated with either 1 of the 2 L-asparaginase-containing regimens; 11 were treated with VLP1 and the remaining 8 were treated with the VLAD protocol. The data indicated that low coagulation factors in association with increased plasma D-dimer levels during or post-L-asparaginase administration combined with fresh frozen plasma infusion might have activated coagulation processes in these patients. Careful management is required to prevent such episodes in patients with markedly decreased coagulation factors and increased D-dimer levels following L-asparaginase administration.
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Affiliation(s)
- Toshihiko Imamura
- Department of Pediatrics, Kyoto Prefectural University of Medicine, 465 Kajii-cho Hirokoji Kamigyo-ku, Kyoto, Japan.
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Nowak-Göttl U, Kenet G, Mitchell LG. Thrombosis in childhood acute lymphoblastic leukaemia: epidemiology, aetiology, diagnosis, prevention and treatment. Best Pract Res Clin Haematol 2009; 22:103-14. [PMID: 19285277 DOI: 10.1016/j.beha.2009.01.003] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Acute lymphoblastic leukaemia (ALL) is the most common malignancy associated with venous thromboembolism (VTE) in children. The prevalence of symptomatic VTE ranges from 0% to 36%, and the variation can be explained, at least in part, by differences in chemotherapeutic protocols. The mechanism for increased risk of VTE is associated with alterations in the haemostatic system by use of L-asparaginase (ASP) alone or in combination with vincristine or prednisone, presence of central venous lines (CVLs) and/or inherited thrombophilia. The children at greatest risk are generally those receiving Escherichia coli ASP concomitant with prednisone. The majority of symptomatic VTEs occur in the central nervous system or in the upper venous system. In the majority of cases, asymptomatic VTEs are associated with CVLs. External CVLs are affected more often than internal CVLs. Evidence-based guidelines on prevention and treatment guidelines for ALL-related VTE are lacking, and carefully designed clinical trials are needed urgently.
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Affiliation(s)
- Ulrike Nowak-Göttl
- Paediatric Haematology and Oncology, University Hospital Münster, Albert-Schweitzer-Str. 33, D-48149 Münster, Germany
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Meister B, Kropshofer G, Klein-Franke A, Strasak AM, Hager J, Streif W. Comparison of low-molecular-weight heparin and antithrombin versus antithrombin alone for the prevention of symptomatic venous thromboembolism in children with acute lymphoblastic leukemia. Pediatr Blood Cancer 2008; 50:298-303. [PMID: 17443678 DOI: 10.1002/pbc.21222] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Children with acute lymphoblastic leukemia (ALL) have a substantial risk for thromboembolism (TE) that is related to L-asparaginase-induced antithrombin (AT) deficiency and placement of central venous lines. Recent in vitro studies showed that the anticoagulant effects of low-molecular-weight heparin were profoundly affected by endogenous AT levels in children undergoing ALL therapy. METHODS A total of 112 consecutively recruited children with newly diagnosed ALL treated according to BFM 95/2000 protocols were enrolled in this trial. This prospective cohort study was carried out to determine the influence of combined low molecular weight heparin-prophylaxis (enoxaparin 1 mg/kg/ per day) and AT supplementation versus AT alone (noncontemporaneous control group) on the incidence of symptomatic TE during a follow-up of 240 days. RESULTS To maintain AT plasma levels above 50%, nearly 60% of all children needed at least one, most children two or three AT supplementations during induction therapy. 12.7% of the children that did receive only AT-prophylaxis (n = 71) (95% CI = 6.0-22.7) developed objectively confirmed symptomatic TE, as compared with no TE in children after combined prophylaxis (n = 41) (95% CI = 0.0-8.6, P < 0.05). Thromboses were located in the sinovenous system in the brain (n = 3), the lower deep veins (n = 3), the upper deep veins (n = 2) and in an upper deep vein combined with pulmonary embolism (n = 1). CONCLUSION Prophylaxis with enoxaparin was safe and effective in preventing TE. Although our data are encouraging, the in vivo efficacy of combined enoxaparin and AT prophylaxis to prevent symptomatic venous TE in children with ALL should be evaluated in a prospective randomized clinical trial.
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Affiliation(s)
- Bernhard Meister
- Department of Pediatrics, Innsbruck Medical University, Austria.
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Abstract
Venous thrombosis is more frequent in patients treated for acute lymphoblastic leukaemia (ALL) than other malignancies and has distinctive causes, clinical features and remedies. The reported incidence varies from 1% to 36%, depending on the chemotherapy protocol and whether the reported cases are symptomatic or detected on screening radiography. The risk is thought to arise from increased thrombin generation at diagnosis combined with reduced thrombin inhibitory capacity due to depletion of circulating anti-thrombin (AT) by asparaginase. A number of patient and treatment variables have been reported to influence the risk of thrombosis including hereditary thrombophilia, early insertion of central venous catheters and exposure to a combination of steroids and asparaginase during induction. Erwinia asparaginase is associated with a lower risk of thrombosis compared with Escherichia coli asparaginase. The majority of symptomatic thromboses are related to central venous catheters and involve the upper venous system. Central nervous system thrombosis involving the cerebral venous sinuses is a unique feature of asparaginase-related thrombosis and is reported to occur in 1-3% of patients. Conclusive evidence to support the use of anti-coagulant treatment or AT concentrates for primary prevention is lacking, as is evidence for the efficacy of AT concentrates in the management of established thrombosis. Preventative strategies are hampered by conflicting data on factors that would enable identification of those at highest risk of thrombosis.
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Affiliation(s)
- Jeanette H Payne
- Department of Paediatric Haematology, Sheffield Children's Hospital, Sheffield, UK
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Kim H, Lee JH, Choi SJ, Lee JH, Seol M, Lee YS, Kim WK, Lee JS, Lee KH. Risk score model for fatal intracranial hemorrhage in acute leukemia. Leukemia 2006; 20:770-6. [PMID: 16525500 DOI: 10.1038/sj.leu.2404148] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
To build a risk score (RS) model of fatal intracranial hemorrhage (FICH) in patients with acute leukemia, we retrospectively assessed risk factors in 792 patients newly diagnosed with acute leukemia, 41 of whom had analyzable FICH. We found that female gender (relative risk (RR) = 5.234, P<0.001), acute promyelocytic leukemia (RR = 4.057, P = 0.003), leukocytosis (RR = 3.301, P = 0.004), thrombocytopenia (RR = 3.283, P = 0.005) and prolonged prothrombin time (RR = 3.291, P = 0.016) were significantly associated with occurrence of FICH in multivariate analysis. To calculate RS for FICH, one point was assigned for each risk factor, making the RS between 0 and 5. The RS model segregated patients into three prognostic groups: a low-risk group (LRG) for RS of 0 or 1; an intermediate-risk group (IRG) for RS of 2 or 3; and a high-risk group (HRG) for RS of 4 or 5. Expectation of FICH was well correlated with risk groups (all P-values < 0.001). Overall survival was significantly shorter in the HRG compared with the LRG. The RS model we constructed to predict the occurrence of FICH will be verified through prospective studies.
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Affiliation(s)
- H Kim
- Division of Hematology-Oncology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
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Caruso V, Iacoviello L, Di Castelnuovo A, Storti S, Mariani G, de Gaetano G, Donati MB. Thrombotic complications in childhood acute lymphoblastic leukemia: a meta-analysis of 17 prospective studies comprising 1752 pediatric patients. Blood 2006; 108:2216-22. [PMID: 16804111 DOI: 10.1182/blood-2006-04-015511] [Citation(s) in RCA: 251] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The risk of thrombosis in children with acute lymphoblastic leukemia (ALL) reportedly ranges between 1% and 37%. Epidemiologic studies have usually been hampered by small numbers, making accurate estimates of thrombosis risk in ALL patients very difficult. The aim of this study was to better estimate the frequency of this complication and to define how the disease, its treatment, and the host contribute to its occurrence. We made an attempt to combine and analyze all published data on the association between pediatric ALL and thrombosis, by using a meta-analytic method. The rate of thrombosis in 1752 children from 17 prospective studies was 5.2% (95% CI: 4.2-6.4). The risk varies depending on several factors. Most of the events occurred during the induction phase of therapy. Lower doses of asparaginase (ASP) for long periods were associated with the highest incidence of thrombosis, as were anthracyclines and prednisone (instead of dexamethasone). The presence of central lines and of thrombophilic genetic abnormalities also appeared to be frequently associated with thrombosis. In conclusion, the overall thrombotic risk in ALL children was significant, and the subgroup analysis was able to identify high-risk individuals, a finding that will hopefully guide future prospective studies aimed at decreasing this risk.
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Affiliation(s)
- Vanesa Caruso
- Laboratory of Genetic and Environmental Epidemiology, Research Laboratories, Centre for High Technology Research and Education in Biomedical Sciences, Catholic University, 86100 Campobasso, Italy
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De Stefano V, Sorà F, Rossi E, Chiusolo P, Laurenti L, Fianchi L, Zini G, Pagano L, Sica S, Leone G. The risk of thrombosis in patients with acute leukemia: occurrence of thrombosis at diagnosis and during treatment. J Thromb Haemost 2005; 3:1985-92. [PMID: 16102104 DOI: 10.1111/j.1538-7836.2005.01467.x] [Citation(s) in RCA: 157] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Thromboembolism can occur during acute leukemia, especially acute lymphoid leukemia (ALL) treated with L-asparaginase. Yet, most reports are anecdotical and scarce data are available on the risk of thrombosis in acute myeloid leukemia (AML). OBJECTIVES To evaluate the risk of thrombosis in patients with acute leukemia. PATIENTS AND METHODS Three-hundred and seventy-nine consecutive adult patients with newly diagnosed acute leukemia were recruited in an observational cohort study conducted from January 1994 to December 2003. Diagnosis was ALL in 69 patients, acute promyelocytic leukemia (APL; FAB subtype M3) in 31, and non-M3 AML in 279. All first or recurrent symptomatic thromboembolic events objectively diagnosed were recorded. RESULTS Twenty-four patients of the overall 379 (6.3%; 95% CI 4.1%-9.2%) had a first thrombosis, venous in 80% of the cases and arterial in 20%. At diagnosis, thrombosis was a presenting manifestation in 13 cases (3.4% of the whole cohort): 1.4% in ALL, 9.6% in APL, and 3.2% in non-M3 AML patients. Follow-up was carried out on 343 patients without thrombosis at diagnosis and further 11 thrombotic events (3.2%) were recorded. At 6 months from diagnosis, the cumulative incidence of thrombosis was 10.6% in ALL, 8.4% in APL, and 1.7% in non-M3 AML patients. The patients who received L-asparaginase had a 4.9-fold increased risk of thrombosis in comparison with those who did not (95% CI 1.5-16.0). The fatality rate due to thrombosis was 0.8%. CONCLUSIONS In patients with acute leukemia, the risk of thrombosis is not negligible. Thombosis can be a presenting symptom at diagnosis in a significant portion of cases with APL (9.6%) and non-M3 AML (3.2%); a similar rate of thrombosis can occur during the subsequent course of the disease. The incidence of symptomatic thrombosis at diagnosis is relatively low in ALL patients (1.4%), but is significantly increased by further treatment up to 10.6%. Strategies of antithrombotic prophylaxis should be investigated in this setting.
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Affiliation(s)
- V De Stefano
- Institute of Hematology, Catholic University, Rome, Italy.
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Katz JM, Segal AZ. Incidence and etiology of cerebrovascular disease in patients with malignancy. Curr Atheroscler Rep 2005; 7:280-8. [PMID: 15975321 DOI: 10.1007/s11883-005-0020-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Cerebrovascular disease is common in cancer patients and often arises from mechanisms unique to malignancy. Direct tumor effects include intratumoral hemorrhage, arterial and venous sinus invasion by tumor mass or leptomeningeal infiltrates, and tumor emboli. Complications of chemotherapy, radiation therapy, and hematopoietic stem-cell transplantion for cancer can occur before, during, or years after treatment. Coagulopathic conditions involve disseminated intravascular coagulation, thrombocytopenia, nonbacterial thrombotic endocarditis, and cerebral intravascular coagulation. Finally, septic infarction from fungal or bacterial sepsis and infectious vasculitis manifest in cancer patients immunocompromised by malignancy or cancer therapy. In many cases a combination of mechanisms is causative, and both hemorrhagic and ischemic stroke can occur simultaneously. Stroke type and mechanism, as well as the stage and pathology of the neoplasm, dictate proper management and help delineate prognosis.
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Affiliation(s)
- Jeffrey M Katz
- Department of Neurology and Neuroscience, New York Presbyterian Hospital-Weill Medical College of Cornell University, New York, NY 10021, USA.
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