Journal Description
Hemato
Hemato
- formerly Bloods - is an international, peer-reviewed, open access journal on hematology, published quarterly online by MDPI. The Spanish Society of Hematology and Hemotherapy (SEHH) is affiliated with Hemato and its members receive a discount on the article processing charges.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 20.1 days after submission; acceptance to publication is undertaken in 3.7 days (median values for papers published in this journal in the first half of 2023).
- Recognition of Reviewers: APC discount vouchers, optional signed peer review, and reviewer names published annually in the journal.
Latest Articles
The Role of Allogeneic Transplantation in Chronic Myeloid Leukemia in 2023: A Case-Based Concise Review
Hemato 2023, 4(3), 250-258; https://doi.org/10.3390/hemato4030020 - 15 Aug 2023
Abstract
Tyrosine kinase inhibitors (TKIs) have revolutionized the treatment of chronic myeloid leukemia (CML), granting patients a life expectancy close to that of the normal population and, in a subset of patients, the possibility to discontinue therapy. Nonetheless, for a not negligible minority of
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Tyrosine kinase inhibitors (TKIs) have revolutionized the treatment of chronic myeloid leukemia (CML), granting patients a life expectancy close to that of the normal population and, in a subset of patients, the possibility to discontinue therapy. Nonetheless, for a not negligible minority of patients, TKIs are not able to control CML. Allogeneic hematopoietic cell transplantation (HCT) has long been a pivotal therapy for CML. At present, allogeneic HCT is considered an option in CML patients diagnosed or progressing to blast phase (BP), for those in chronic phase (CP) resistant to multiple lines of TKI therapy or for those experiencing severe toxicity, mostly hematologic, under TKIs. Moving from real-world cases, we reviewed the results of allogeneic HCT in the setting of advanced-phase CML or failure of TKIs, with a focus on the progresses in transplant technology that has extended transplant options in elderly CML patients and in those lacking a sibling donor, and on the post-HCT strategies for prevention and treatment of disease relapse.
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(This article belongs to the Special Issue Memorial Issue Dedicated to Prof. Dr. Michele Baccarani: An Excellent Hematologist on Chronic Myeloid Leukemia)
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IgM-Associated Cryoglobulinaemia
Hemato 2023, 4(3), 240-249; https://doi.org/10.3390/hemato4030019 - 21 Jul 2023
Abstract
Cryoglobulinaemia is characterised by serum immunoglobulins that precipitate at temperatures below 37 °C and redissolve on warming. Monoclonal IgM immunoglobulin can be associated with type I and II cryoglobulinaemia with underlying Waldenström macroglobulinemia, monoclonal gammopathy of undetermined significance, or another non-Hodgkin lymphoma. In
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Cryoglobulinaemia is characterised by serum immunoglobulins that precipitate at temperatures below 37 °C and redissolve on warming. Monoclonal IgM immunoglobulin can be associated with type I and II cryoglobulinaemia with underlying Waldenström macroglobulinemia, monoclonal gammopathy of undetermined significance, or another non-Hodgkin lymphoma. In this research, we review the clinical characteristics of monoclonal IgM-associated cryoglobulinaemia and suggest a management approach for addressing them. Laboratory testing is critical as even a minimal amount of measurable cryoglobulin may result in symptoms. Accurate detection of cryoglobulins may be challenging, care must be taken with preanalytical variables, and repeated testing of monoclonal protein and cryoglobulins is indicated if clinical suspicion is high. Presentations range from asymptomatic to showing multisystem involvement, meaning that careful evaluation of the features and a thorough interrogation of organ systems and the underlying clone are critical. Immediate management is required for clinical red-flag features. Due to their rarity, data to inform treatment decisions are scant and collaborative research is imperative must be conducted to aid researchers in efforts to define optimal treatment strategies.
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(This article belongs to the Section Plasma Cell Disorders)
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Open AccessFeature PaperArticle
Efficacy of an Anticoagulation Clinic in Low-Income Brazilian Patients with Heart Disease: A Randomized Clinical Trial
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Hemato 2023, 4(3), 227-239; https://doi.org/10.3390/hemato4030018 - 19 Jul 2023
Abstract
Anticoagulation clinics (ACs) have a greater impact on anticoagulation control than usual medical care (UMC). There is little evidence of the performance of AC in patients on warfarin living in low and middle-income countries. We sought to investigate the efficacy and safety of
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Anticoagulation clinics (ACs) have a greater impact on anticoagulation control than usual medical care (UMC). There is little evidence of the performance of AC in patients on warfarin living in low and middle-income countries. We sought to investigate the efficacy and safety of an AC in patients treated at a Brazilian public hospital. This was a randomized clinical trial that tested the efficacy of a recently implemented AC, compared to UMC, in outpatients with heart disease. The primary and secondary endpoints were time in the therapeutic range (TTR) and warfarin-related complications, respectively. Overall, 280 patients were enrolled and randomly assigned to Group A: one year at an AC (A1: first half-year; A2: second half-year); and Group B: first half-year receiving UMC (B1) and second half-year being assisted at the AC (B2). The mean age was 56.8 ± 13.1 years, and most patients were female (54.6%). Above 68% of patients had limited reading capability. A1 demonstrated greater TTR (62.4 ± 20.8%) than B1 (55.1 ± 28.5%) (p = 0.014). Group B improved TTR from 55.1 ± 28.5% (B1) to 62.2 ± 23.1% (B2) (p = 0.008). Despite the underpowered analysis of safety, A1 exhibited a lower incidence rate (IR) per patient-year (p-y) of total bleeding than B1 (incidence rate ratio (IRR): 0.78; p = 0.041) and a reduction in intra-group comparisons (both groups: IRR 0.58; p < 0.001). AC care helped increase TTR in a low-income setting showing favorable performance in a distinct population of those evaluated by previous studies. Extending AC care to similar populations may improve the outcomes of warfarin use.
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(This article belongs to the Section Coagulation)
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The Direct and Indirect Effects of Tyrosine Kinase Inhibitors on the Cardiovascular System in Chronic Myeloid Leukemia
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, , , , , and
Hemato 2023, 4(3), 207-226; https://doi.org/10.3390/hemato4030017 - 14 Jul 2023
Abstract
Since their introduction, tyrosine kinase inhibitors (TKIs) have radically changed the treatment paradigm of Chronic Myeloid Leukemia (CML), leading to deep and lasting molecular responses and profoundly influencing survival. However, cancer-therapy-related Cardiovascular Toxicities (CTR-CVTs) associated with BCR::ABL1 TKIs are one of the main
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Since their introduction, tyrosine kinase inhibitors (TKIs) have radically changed the treatment paradigm of Chronic Myeloid Leukemia (CML), leading to deep and lasting molecular responses and profoundly influencing survival. However, cancer-therapy-related Cardiovascular Toxicities (CTR-CVTs) associated with BCR::ABL1 TKIs are one of the main sources of concern: hypertension, arterial occlusive events, arrhythmias, dysmetabolic alteration, and glomerular filtration impairment are frequently reported in clinical trials and real-life experiences. Therefore, a close interaction between hematologists and cardiologists becomes crucial to implementing prevention protocols based on a comprehensive assessment of baseline cardiovascular risk, the management of any detectable and modifiable risk factors, and the elaboration of a monitoring plan for CTR-CVTs during treatment. Here, we provide the most comprehensive and recent evidence in the literature on the pathophysiological patterns underlying CTR-CVTs, providing useful evidence-based guidance on the prevention and management of CVD risk factors at baseline and during treatment with BCR::ABL1 TKIs.
Full article
(This article belongs to the Special Issue Memorial Issue Dedicated to Prof. Dr. Michele Baccarani: An Excellent Hematologist on Chronic Myeloid Leukemia)
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Open AccessReview
Mediastinal Gray-Zone Lymphoma: Still an Open Issue
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Hemato 2023, 4(3), 196-206; https://doi.org/10.3390/hemato4030016 - 27 Jun 2023
Abstract
The concept of gray-zone lymphoma (GZL) has been progressively refined since its introduction in the literature in 1998. For several years, it was applied to a rather broad spectrum of conditions, posing the problem of the differential diagnosis between any type of Hodgkin
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The concept of gray-zone lymphoma (GZL) has been progressively refined since its introduction in the literature in 1998. For several years, it was applied to a rather broad spectrum of conditions, posing the problem of the differential diagnosis between any type of Hodgkin lymphoma (HL) and diffuse large B-cell lymphoma, with special reference to primary mediastinal forms (PMBL). Officially recognised as a provisional entity in the 4th and revised 4th editions of the WHO Classification of Tumour of Haematopoietic and Lymphoid Tissues with the term “B-cell lymphoma unclassifiable with features intermediate between diffuse large B-cell lymphoma and classic Hodgkin lymphoma”, it was limited to tumours showing either morphologic features reminiscent of classic HL (CHL) but carrying a complete B-cell phenotype or conversely provided with a PMBL morphology yet revealing CHL phenotypic characteristics. The definition of GZL has been further revised in the recently published International Lymphoma Classification and 5th edition of the WHO Classification of Haematolymphoid Tumours, which have limited it to mediastinal neoplasms (MGZL) based on emerging molecular evidence. The aim of this review is to critically discuss the issue of MGZL, as well as in light of the suboptimal response to current therapies.
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(This article belongs to the Special Issue Advances in Hodgkin lymphoma: A Theme Issue in Honor of Prof. Dr. Harald Stein on the Occasion of His 80th Birthday)
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Open AccessFeature PaperReview
Renal Disorders Associated with Waldenström Macroglobulinaemia, IgM MGUS and IgM-Producing B-Cell Lymphoproliferative Disorders
Hemato 2023, 4(2), 184-195; https://doi.org/10.3390/hemato4020015 - 14 Jun 2023
Abstract
Renal disorders are uncommonly associated with IgM MGUS and Waldenström macroglobulinaemia (WM). Data are limited to large case series that suggest that related renal involvement occurs in 5% of patients with WM. Although uncommon, there is a much greater variety of renal pathologies
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Renal disorders are uncommonly associated with IgM MGUS and Waldenström macroglobulinaemia (WM). Data are limited to large case series that suggest that related renal involvement occurs in 5% of patients with WM. Although uncommon, there is a much greater variety of renal pathologies associated with WM and IgM MGUS than that seen in patients with multiple myeloma, where cast nephropathy predominates. In WM, uncommonly direct infiltration of the renal system by lymphoma or cast nephropathy with a high light-chain level can occur. AL amyloidosis can present with nephrotic syndrome as a feature with IgM MGUS or WM. Cryoglobulinaemia and light-chain deposition disease are other important potential causes of renal impairment with IgM MGUS and WM. There are other rarer monoclonal gammopathy of renal significance (MGRS) conditions characterised by typically isolated kidney disease that are causally related to a B-cell or plasma-cell clonal disorder usually in a precancerous MGUS state, although in some renal pathologies, the association is less clear. Central to the majority of these diagnoses is the need for an accurate renal histological diagnosis, and management requires close joint working of renal and haematology teams.
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(This article belongs to the Special Issue Waldenström Macroglobulinaemia and Related Conditions)
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Open AccessFeature PaperReview
SARS-CoV-2 Immunity in Hematopoietic Stem Cell Transplant and Cell Therapy Recipients: What Do We Know, and What Remains to Be Determined?
Hemato 2023, 4(2), 170-183; https://doi.org/10.3390/hemato4020014 - 26 May 2023
Abstract
Hematopoietic stem cell transplantation (HSCT) results in profound immunosuppression for the first few months after the procedure, requiring patients to be revaccinated against childhood vaccine-preventable infectious diseases. Patients who undergo allo-HSCT are at high risk of bacterial, fungal, and viral infections, with infectious
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Hematopoietic stem cell transplantation (HSCT) results in profound immunosuppression for the first few months after the procedure, requiring patients to be revaccinated against childhood vaccine-preventable infectious diseases. Patients who undergo allo-HSCT are at high risk of bacterial, fungal, and viral infections, with infectious complications responsible for at least one third of deaths. Even before the COVID-19 pandemic, respiratory virus infections were known to be more severe in HSCT recipients. The pandemic has highlighted the vulnerability of HSCT recipients, who experience an increased risk of morbidity and mortality after COVID-19 compared with healthy populations due to their severe immunodeficiency status. However, the current pandemic has also provided an exceptional scenario to better understand the immune response to SARS-CoV-2 cases and mRNA vaccines in HSCT recipients, including those receiving CD19-directed chimeric antigen receptor T cell (CAR-T) therapy. Researchers have focused on the role of the immune system in protecting against severe SARS-CoV-2 in patients with hematologic malignancies, including HSCT recipients. Insights gained during the pandemic will likely soon be used to improve preventive strategies in this population against viral infections in the near future. This narrative review summarizes the current knowledge on SARS-CoV-2 immunity in HSCT and cell therapy recipients following SARS-CoV-2 cases or vaccination.
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(This article belongs to the Special Issue Infectious Complications in Patients with Hematologic Malignancies and Allogeneic Stem Cell Transplant Recipients)
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Open AccessFeature PaperReview
Use of Letermovir for CMV Prophylaxis after Allogeneic Hematopoietic Stem Cell Transplantation: Review of the Literature and Single-Center Real-Life Experience
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Hemato 2023, 4(2), 158-169; https://doi.org/10.3390/hemato4020013 - 28 Apr 2023
Abstract
Cytomegalovirus (CMV) reactivation after allogeneic hematopoietic stem cell transplant (allo-HSCT) is mainly due to an increase of latent viremia in previously exposed patients. Furthermore, CMV reactivation in this setting has a significant impact on patient survival. Traditional approach to CMV reactivation post allo-HSCT
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Cytomegalovirus (CMV) reactivation after allogeneic hematopoietic stem cell transplant (allo-HSCT) is mainly due to an increase of latent viremia in previously exposed patients. Furthermore, CMV reactivation in this setting has a significant impact on patient survival. Traditional approach to CMV reactivation post allo-HSCT was a pre-emptive treatment with antivirals in the case of increased viremia. However, since 2017, a new antiviral compound, letermovir, has been introduced in clinical practice and is deeply changing the common CMV approach. The toxicity profile of letermovir allowed its use in prophylaxes in patients at high risk of CMV reactivation. This review will focus on the present role of letermovir post allo-HSCT and discuss some possible future applications of the drug. Finally, our single center CMV management in view of the recent introduction of letermovir will be discussed.
Full article
(This article belongs to the Special Issue Infectious Complications in Patients with Hematologic Malignancies and Allogeneic Stem Cell Transplant Recipients)
Open AccessReview
BTK Inhibitors and Other Targeted Therapies in Waldenström Macroglobulinemia
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Hemato 2023, 4(2), 135-157; https://doi.org/10.3390/hemato4020012 - 13 Apr 2023
Abstract
Waldenström macroglobulinemia (WM) is a rare, non-Hodgkin lymphoma that remains incurable. Rituximab, an anti-CD20 monoclonal antibody has been the cornerstone of treatment against WM, and its combination with an alkylator, bendamustine, achieves durable remission in treatment-naive patients with symptomatic WM. However, novel “druggable”
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Waldenström macroglobulinemia (WM) is a rare, non-Hodgkin lymphoma that remains incurable. Rituximab, an anti-CD20 monoclonal antibody has been the cornerstone of treatment against WM, and its combination with an alkylator, bendamustine, achieves durable remission in treatment-naive patients with symptomatic WM. However, novel “druggable” targets that have been identified within the clonal lymphoplasmacytic cells in WM have resulted in a rapid development of targeted therapies in both the frontline and relapsed and refractory (R/R) settings. Several agents directed against the known targets have shown promising efficacy, with mostly manageable toxicities. The class of Bruton’s tyrosine kinase (BTK) inhibitors has transformed the therapeutic landscape for patients with WM, given their convenient oral dosing and strong efficacy, with high rates of attainment of very good partial response (VGPR). The tolerability of the next-generation BTK inhibitors appears to be superior to that of the first-in-class agent, ibrutinib. Targeted therapies from other classes have also demonstrated efficacy in both single-agent and combination regimens. Inhibitors of proteasome BCL-2, mTOR and PI-3 kinase have demonstrated efficacy in WM. Emerging therapies under investigation will continue to further shape the management paradigm, especially in the R/R setting. These include bispecific antibodies, radiotherapeutic agents and chimeric antigen receptor T-cell (CART) cell therapies. This review outlines the current literature and future direction of targeted therapies in WM.
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(This article belongs to the Special Issue Waldenström Macroglobulinaemia and Related Conditions)
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What’s New in the Classification, Diagnosis and Therapy of Myeloid Leukemias
Hemato 2023, 4(2), 112-134; https://doi.org/10.3390/hemato4020011 - 29 Mar 2023
Abstract
Myeloid leukemias are a broad group of hematological disorders, characterized by heterogeneous clinical and biological features. In recent years, unprecedented genetic discoveries and clinical–biological correlations have revolutionized the field of myeloid leukemias. The most relevant changes have specifically occurred in acute myeloid leukemia
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Myeloid leukemias are a broad group of hematological disorders, characterized by heterogeneous clinical and biological features. In recent years, unprecedented genetic discoveries and clinical–biological correlations have revolutionized the field of myeloid leukemias. The most relevant changes have specifically occurred in acute myeloid leukemia (AML), chronic myelomonocytic leukemia (CMML), chronic myeloid leukemia (CML) and myeloid neoplasms (MNs) with eosinophilia. The recently published International Consensus Classification (ICC) of myeloid neoplasms has addressed these changes, providing an updated framework and revised diagnostic criteria for such entities. This is also the aim of the 5th edition of the WHO classification of hematopoietic tumors, whose preliminary version was published in 2022. Parallel to this, new therapeutic options and novel molecular targets have changed the management of many myeloid entities, including AML and CML. This review aims to address the most relevant updates in the classification and diagnosis of AML, CMML, CML and MNs with eosinophilia. The state of the art of treatment and future therapeutic options for such disorders are also discussed.
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(This article belongs to the Section Leukemias)
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Temporal Changes in SARS-CoV-2 Infection Pattern in Patients Admitted with Hematological Diseases—A Single Center Experience from North India
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Hemato 2023, 4(1), 100-111; https://doi.org/10.3390/hemato4010010 - 14 Mar 2023
Abstract
Previous studies have shown the vulnerability of hematological patients with the Coronavirus disease of 2019 (COVID-19). We aimed to compare the outcomes and risk factors for poor survival in patients with hematological conditions hospitalized with COVID-19 infection. Single centre, retrospective, cohort study included
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Previous studies have shown the vulnerability of hematological patients with the Coronavirus disease of 2019 (COVID-19). We aimed to compare the outcomes and risk factors for poor survival in patients with hematological conditions hospitalized with COVID-19 infection. Single centre, retrospective, cohort study included all patients with a hematological condition admitted to Rajiv Gandhi Cancer Institute & Research Centre, New Delhi, India between 1 April 2020 and 31 May 2021. Of a total of 154 patients, 81 were in the pre-delta group and 73 were in the delta group out of which 21 (25.97%) in the pre-delta group and 24 (33.88%) patients in the delta group died. Haematological characteristics—age > 60 years, progressive hematological cancer, more than two lines of anti-cancer therapy, and active chemo-immunotherapy or targeted therapy were associated with higher mortality in the delta group. COVID-19 characteristics associated with higher mortality during the delta wave were severity of COVID infection, higher oxygen requirements, and COVID plasma therapy There were no deaths in individuals (n = 15) within the delta group who received COVID-19 vaccination. This study adds to the evidence that patients with hematological diseases are a particularly vulnerable group and the delta variant of the virus is associated with higher mortality. We could identify patient characteristics and features related to COVID-19 infection and underlying hematological conditions that were associated with poor outcomes in the delta sub-group. Vaccination was found to be an effective strategy for overcoming mortality and morbidity in these patients.
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(This article belongs to the Special Issue Infectious Complications in Patients with Hematologic Malignancies and Allogeneic Stem Cell Transplant Recipients)
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Scanning Electron and Atomic Force Microscopic Analysis of Erythrocytes in a Cohort of Atopic Asthma Patients—A Pilot Study
Hemato 2023, 4(1), 90-99; https://doi.org/10.3390/hemato4010009 - 14 Mar 2023
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Background: Non-communicable diseases are often associated with chronic inflammation, placing patients suffering from these conditions at a higher risk of thrombosis and other complications. The pathophysiology of asthma and/or atopic asthma is also linked to chronic inflammation, which consequently may alter blood parameters
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Background: Non-communicable diseases are often associated with chronic inflammation, placing patients suffering from these conditions at a higher risk of thrombosis and other complications. The pathophysiology of asthma and/or atopic asthma is also linked to chronic inflammation, which consequently may alter blood parameters including erythrocyte structure and function. Methodology: The objective of this study was to evaluate differences in erythrocytes between patients with atopic asthma (n = 30) and healthy individuals (n = 30) by evaluating routine haematological parameters; structures and axial ratios of erythrocytes using light microscopy; erythrocyte membrane elasticity using atomic force microscopy; and erythrocyte ultrastructure using scanning electron microscopy. Results: The haematological findings of healthy participants and patients suffering from asthma were within normal clinical ranges together with significantly higher levels of circulating monocytes (p = 0.0066), erythrocytes (p = 0.0004), haemoglobin (p = 0.0057), and haematocrit (p = 0.0049) in asthma patients. The analysis of eosin-stained erythrocytes by light microscopy showed more echinocytes, acanthocytes, and ovalocytes compared to controls and a significant difference in axial ratios (p < 0.0001). Atomic force microscopy findings showed reduced erythrocyte membrane elasticity in asthmatic erythrocytes (p = 0.001). Ultrastructural differences in erythrocytes were visible in the asthma group compared to controls. Conclusion: Altered erythrocyte ultrastructural morphology and a significant change in the haematological profile are evident in atopic asthma and may influence common complications associated with asthma. The impact of these changes on the physiological mechanisms of coagulation and the pathophysiology of asthma needs to be further elucidated.
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Open AccessFeature PaperReview
Quantitative PCR for the Diagnosis of HCMV Pneumonia in HSCT Recipients and Other Immunocompromised Hosts
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Hemato 2023, 4(1), 76-89; https://doi.org/10.3390/hemato4010008 - 02 Mar 2023
Abstract
Pneumonia is among the most serious manifestations of HCMV infection, with high morbidity and mortality. Probable pneumonia is defined as the detection of HCMV in bronchoalveolar lavage (BAL) by viral isolation or DNA quantification (qPCR) combined with symptoms and/or signs of respiratory infection.
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Pneumonia is among the most serious manifestations of HCMV infection, with high morbidity and mortality. Probable pneumonia is defined as the detection of HCMV in bronchoalveolar lavage (BAL) by viral isolation or DNA quantification (qPCR) combined with symptoms and/or signs of respiratory infection. However, currently, there is no reproducible and well-defined viral load (VL) from BAL that can reliably differentiate patients with pneumonia from the much more common detection of viral DNA in seropositive patients without true HCMV pneumonia. Several studies have been published with the aim of establishing an optimal VL for differentiating pneumonia from viral lung shedding. The aim of this review is to collect and analyze the methodology and the conclusions obtained in studies whose objectives included the correlation between HCMV VL in BAL and/or the plasma and the occurrence of HCMV pneumonia. For this purpose, a total of 14 articles have been included. There are some conclusions on which they all agree. PCR techniques were more sensitive and had a higher NPV than culture techniques but were less specific and had a low PPV. The mean HCMV loads in both BAL and the plasma were significantly higher in patients with pneumonitis than in those without. The HCMV load in patients with pneumonitis was higher in BAL than in the plasma, making qPCR in BAL a better predictor of HCMV pneumonitis than in the plasma. Nevertheless, this review highlights the difficulty of establishing a universal VL value, both in BAL and in the blood, to differentiate patients with HCMV pneumonia from those without. To complete the information available in these studies, prospective multicentre studies would be required. Methodologically, a large number of patients with HCMV pneumonitis would have to be included, and a subclassification of the type of immunosuppression of each patient should be made in order to obtain an optimal VL threshold in different host groups.
Full article
(This article belongs to the Special Issue Infectious Complications in Patients with Hematologic Malignancies and Allogeneic Stem Cell Transplant Recipients)
Open AccessFeature PaperReview
Cardiotoxicity of Tyrosine Kinase Inhibitors in Philadelphia-Positive Leukemia Patients
Hemato 2023, 4(1), 68-75; https://doi.org/10.3390/hemato4010007 - 27 Feb 2023
Abstract
In the past twenty years, tyrosine kinase inhibitors (TKIs) have substantially changed the therapeutic landscape and the clinical outcome of several cancers, including Philadelphia-chromosome positive chronic myeloid leukemia and acute lymphoblastic leukemia, chronic eosinophilic syndromes, gastrointestinal stromal tumors, and others. Despite the obvious
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In the past twenty years, tyrosine kinase inhibitors (TKIs) have substantially changed the therapeutic landscape and the clinical outcome of several cancers, including Philadelphia-chromosome positive chronic myeloid leukemia and acute lymphoblastic leukemia, chronic eosinophilic syndromes, gastrointestinal stromal tumors, and others. Despite the obvious advantages offered in terms of efficacy and the overall safety profile, this new class of agents presents novel side effects, sometimes different from those induced by conventional chemotherapy. Among others, the potential cardiac toxicity, characterized by possible arrhythmias and the highest rates of cardiac ischemic disease and heart failure, were predominantly investigated. In this article, the authors review the most significant evidence in this regard, highlighting the overall benefit of TKI usage and the need for careful monitoring, especially in elderly patients.
Full article
(This article belongs to the Special Issue Memorial Issue Dedicated to Prof. Dr. Michele Baccarani: An Excellent Hematologist on Chronic Myeloid Leukemia)
Open AccessFeature PaperArticle
Palifermin Compared to Supersaturated Calcium Phosphate Rinse in Prevention of Severe Oral Mucositis after Stem Cell Transplantation in Patients Receiving Radiotherapy-Based Myeloablative Conditioning
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Hemato 2023, 4(1), 58-67; https://doi.org/10.3390/hemato4010006 - 10 Feb 2023
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Purpose: Oral mucositis (OM) is a common, debilitating complication of conditioning regimens for hematopoietic stem cell transplantation (HSCT). Supersaturated calcium phosphate rinse (SCPR) and palifermin have shown efficacy in preventing severe OM. However, whether their efficacy differs is unknown. We aimed to compare
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Purpose: Oral mucositis (OM) is a common, debilitating complication of conditioning regimens for hematopoietic stem cell transplantation (HSCT). Supersaturated calcium phosphate rinse (SCPR) and palifermin have shown efficacy in preventing severe OM. However, whether their efficacy differs is unknown. We aimed to compare the efficacy of SCPR and palifermin in HSCT patients receiving myeloablative conditioning. Methods: A comprehensive review of our institutional database was performed to identify patients who received myeloablative-conditioning therapy over 5 years. All HSCT patients who received radiotherapy-based myeloablative conditioning and received either palifermin or SCPR within the study period were included. Most patients received Fludarabine, Busulfan, and total body irradiation (FBT). Patients were divided into two groups based on the OM prophylactic agent received. The primary outcome is prevalence of severe OM (WHO Grade 3 and 4). The secondary outcomes are a prevalence of all-grade OM and WHO Grade 4 OM. These outcomes were compared between the two groups. Results: We identified 26 patients who received SCPR and 122 patients who received palifermin for OM prophylaxis. The prevalence of World Health Organization (WHO) Grade 3 or 4 OM was significantly lower in the palifermin group (57% vs. 100%, p = 0.01). In addition, the palifermin group had lower WHO Grade 4 OM (22% vs. 62%, p = 0.0006). The overall prevalence of OM was not significantly different between the two groups (86% for palifermin group vs. 100% for SCPR arm, p = 0.15). Subgroup analyses demonstrated improved outcomes with palifermin, regardless of age, sex, disease status, donor type, and primary diagnosis. Conclusion: When compared to SCPR, the use of palifermin is associated reduced severity of OM in HSCT patients receiving radiotherapy-based myeloablative conditioning.
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Open AccessEditorial
Acknowledgment to the Reviewers of Hemato in 2022
Hemato 2023, 4(1), 56-57; https://doi.org/10.3390/hemato4010005 - 17 Jan 2023
Abstract
High-quality academic publishing is built on rigorous peer review [...]
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Antigen Receptors Gene Analysis for Minimal Residual Disease Detection in Acute Lymphoblastic Leukemia: The Role of High Throughput Sequencing
Hemato 2023, 4(1), 42-55; https://doi.org/10.3390/hemato4010004 - 09 Jan 2023
Abstract
The prognosis of adult acute lymphoblastic leukemia (ALL) is variable but more often dismal. Indeed, its clinical management is challenging, current therapies inducing complete remission in 65–90% of cases, but only 30–40% of patients being cured. The major determinant of treatment failure is
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The prognosis of adult acute lymphoblastic leukemia (ALL) is variable but more often dismal. Indeed, its clinical management is challenging, current therapies inducing complete remission in 65–90% of cases, but only 30–40% of patients being cured. The major determinant of treatment failure is relapse; consequently, measurement of residual leukemic blast (minimal residual disease, MRD) has become a powerful independent prognostic indicator in adults. Numerous evidences have also supported the clinical relevance of MRD assessment for risk class assignment and treatment selection. MRD can be virtually evaluated in all ALL patients using different technologies, such as polymerase chain reaction amplification of fusion transcripts and clonal rearrangements of antigen receptor genes, flow cytometric study of leukemic immunophenotypes and, the most recent, high throughput sequencing (HTS). In this review, the authors focused on the latest developments on MRD monitoring with emphasis on the use of HTS, as well as on the clinical impact of MRD monitoring.
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(This article belongs to the Section Leukemias)
Open AccessPerspective
Classification of B-Cell Lymphomas and Immunodeficiency-Related Lymphoproliferations: What’s New?
Hemato 2023, 4(1), 26-41; https://doi.org/10.3390/hemato4010003 - 04 Jan 2023
Abstract
New insights from genomic studies have had an impact on the definition and the diagnosis of several lymphoid tumors including follicular B-cell lymphomas, aggressive diffuse large B-cell lymphomas, and lymphoproliferations associated with acquired and posttransplant immunodeficiencies. Follicular lymphoma (FL) includes tumors whose behavior
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New insights from genomic studies have had an impact on the definition and the diagnosis of several lymphoid tumors including follicular B-cell lymphomas, aggressive diffuse large B-cell lymphomas, and lymphoproliferations associated with acquired and posttransplant immunodeficiencies. Follicular lymphoma (FL) includes tumors whose behavior varies widely from indolent/early lesions to aggressive/transformed lymphomas. Although some large B-cell lymphomas can be subclassified as specific entities, the majority lack the characteristics necessary for subclassification and, thus, are termed diffuse large B-cell lymphoma, NOS. There have been, however, some changes in the classification of specific subtypes of large B-cell lymphoma as well as the addition of new entities, a few of which are highlighted in this article. The immunodeficiency-related lymphoproliferative disorders are currently divided into four major categories based on the clinical setting in which they arose: primary immune deficiency, post-transplant, HIV infection, and iatrogenic immunosuppression. In the two upcoming classifications systems for hematolymphoid neoplasms, International Consensus Classification (ICC) and WHO-HAEM-5, there is a divergence in the approach to categorize these lesions. Furthermore, whereas the WHO-HAEM-5 confirms the ability to classify a spectrum of EBV+ lesions as EBV+ DLBCL, NOS, the ICC has separated out lesions that are composed of a heterogenous cellular infiltrate into a new separate category, “EBV-positive polymorphic B cell lymphoproliferative disorder, NOS”. Both WHO-HAEM-5 and ICC recognize a number of KSHV/HHV8-associated lymphoid lesions and acknowledge that there is significant overlap among the different lesions. In the future, translation of these innovations in general practice requires further validation.
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(This article belongs to the Section Lymphomas)
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Open AccessSystematic Review
The Clinical Characteristics of Immunoglobulin Light Chain Amyloidosis in the Chinese Population: A Systematic Scoping Review
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, , , , , , and
Hemato 2023, 4(1), 12-25; https://doi.org/10.3390/hemato4010002 - 30 Dec 2022
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Immunoglobulin light chain (AL) amyloidosis is the most common type of systemic amyloidosis in China and is associated with increased morbidity and a poor prognosis. However, the clinical characteristics of Chinese patients with AL amyloidosis have not been systematically investigated. This scoping review
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Immunoglobulin light chain (AL) amyloidosis is the most common type of systemic amyloidosis in China and is associated with increased morbidity and a poor prognosis. However, the clinical characteristics of Chinese patients with AL amyloidosis have not been systematically investigated. This scoping review aimed to summarize the available literature regarding the clinical characteristics of patients with AL amyloidosis and identify potential knowledge gaps. We searched three electronic databases from inception to 7 February 2021. PICOS (Patient, Intervention, Comparison, Outcome and Study) design structure was used to formulate the data extraction. All statistical calculations and analyses were performed with R (version 3.6.0). Sixty-seven articles with 5022 patients were included. Results suggest Chinese patients were younger (57 years) at the time of diagnosis when compared with other patient populations and were predominantly male (61.2%). The time interval from the onset of symptoms to diagnosis was between 6 and 12 months. It was found that 41.1% of Chinese patients with AL amyloidosis were diagnosed with an advanced stage III disease when diagnosed, and 20.2% had a concurrent disease. The most involved organs were the kidneys (84.3%) and the heart (62.5%). In conclusion, our study shows some similarities and differences with other studies on the clinical characteristics of Chinese patients with AL amyloidosis, including the age at diagnosis, Mayo stage, and organ involvement. However, a nationwide epidemiological investigation is still needed to provide a comprehensive overview of this patient population in China.
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Open AccessFeature PaperReview
Digital PCR as a New Method for Minimal Residual Disease Monitoring and Treatment Free Remission Management in Chronic Myeloid Leukemia Patients: Is It Reliable?
by
, , , , and
Hemato 2023, 4(1), 1-11; https://doi.org/10.3390/hemato4010001 - 30 Dec 2022
Abstract
The effective and sensitive monitoring of Minimal Residual Disease or Measurable Residual Disease (MRD) is a very important aspect in the management of patients affected by hematologic malignancies. The recent availability of new technologies has opened to the improvement of MRD monitoring. It
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The effective and sensitive monitoring of Minimal Residual Disease or Measurable Residual Disease (MRD) is a very important aspect in the management of patients affected by hematologic malignancies. The recent availability of new technologies has opened to the improvement of MRD monitoring. It is particularly relevant in patients affected by Chronic Myeloid Leukemia (CML). MRD monitoring is key in the management of CML patients thanks to the efficacy of TKIs therapy. Moreover, the policies of TKIs discontinuation aimed at treatment free remission are strongly based on the good selection of patients eligible for stopping TKIs therapy. The recently described application of digital PCR in CML patients monitoring seems to improve the accuracy and precision in the identification of optimal responders. The present review reports an overview on the application of digital PCR in the monitoring of MRD in CML and its impact on TKIs discontinuation trials and, consequently, on TFR success.
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(This article belongs to the Special Issue Memorial Issue Dedicated to Prof. Dr. Michele Baccarani: An Excellent Hematologist on Chronic Myeloid Leukemia)
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