Publications by authors named "Haran A"

Molecular assessment of measurable residual disease (MRD) in NPM1-mutated AML patients is a powerful prognostic tool to identify the risk of relapse. There is limited data regarding MRD-guided decisions against alloSCT in elderly patients and FLT3-ITD co-mutation. We describe the outcome of NPM1-mutated AML patients in whom alloSCT was deferred based on ELN 2017 risk and MRD response.

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Background Blood transfusion services are crucial for modern medical care, particularly for surgical interventions, chronic diseases, pregnancy complications, and malignancies. There is an increasing demand for blood products in India; hence, optimizing resource utilization in blood banks is essential. This study aims to evaluate the crossmatch-to-transfusion (C/T) ratio as a tool for analyzing and optimizing the utilization of blood bank resources.

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Background Blood component transfusion is vital for various medical conditions, requiring thorough pretransfusion testing to ensure safety and compatibility. The Type and Screen (T and S) method allows for efficient detection of clinically significant antibodies while reducing unnecessary crossmatching. This study evaluates T and S's impact on turnaround time and man-hour utilization compared to conventional crossmatching.

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Article Synopsis
  • Hemolytic disease of the fetus and newborn (HDFN) can be caused by maternal antibodies against fetal red blood cell antigens, with anti-D being the most common, but anti-Fy antibodies can also contribute to the condition in some cases.
  • * A case study of a 29-year-old woman at 38 weeks of pregnancy revealed anti-Fy antibodies during blood cross-matching, which led to complications despite a healthy APGAR score for the newborn.
  • * This situation underscores the importance of thorough antenatal antibody screening for pregnant women to identify and manage any significant alloantibodies to reduce HDFN risks.
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  • Hematological malignancies, like acute myeloid leukemia (AML), can lead to severe complications such as hyperleukocytosis, characterized by dangerously high levels of leukocytes (white blood cells) that increase blood viscosity and disrupt circulation.
  • A case report details a six-year-old boy with AML who experienced severe hyperleukocytosis, displaying symptoms like high fever and respiratory distress, necessitating urgent medical intervention.
  • Therapeutic leukapheresis successfully reduced the patient's leukocyte count by 81% without side effects, leading to significant health improvements and stabilization, highlighting this procedure's critical role in treating pediatric leukemia emergencies.
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  • Blood transfusion services are essential in healthcare, focusing on the identification of seropositive blood donors to enhance the safety of transfusion practices.
  • A study spanning 24 months at a southern Indian hospital found that out of 8,276 donations, 117 (1.41%) tested reactive for transfusion-transmitted infections, with hepatitis B being the most prevalent at 0.61%.
  • It was revealed that 70% of reactive donors were contacted post-donation, but challenges like inaccurate addresses hindered follow-up, emphasizing the need for accurate information from donors and the importance of post-donation counseling.
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  • Blood donation is crucial for saving lives, especially in emergencies, but many patients, particularly in developing countries, face challenges accessing safe blood due to infrastructure issues and low donor rates driven by cultural beliefs and misconceptions.
  • The study aims to evaluate the patterns and causes of blood donor deferrals at a tertiary care hospital over a 36-month period, focusing on identifying the incidence and reasons behind these deferrals.
  • Using a cross-sectional retrospective approach, the research analyzes donor demographics, deferral rates among genders, and employs statistical methods to explore potential relationships between gender and deferral rates.
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Anti-Lewis antibodies are often not clinically significant since they do not react at 37°C. These antibodies have, however, occasionally been linked to hemolytic transfusion reactions (HTR). We report a case of naturally occurring anti-Lewis-a (Le-a) in a 58-year-old patient found during routine blood grouping.

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The Kidd blood group is clinically significant as Kidd antibodies have the potential to trigger both acute and delayed transfusion reactions, along with hemolytic disease of the fetus and newborn (HDFN). Here, we have reported a case of HDFN due to Jk-b antibodies. A 31-year-old pregnant female was found to have Jk-b antibodies on screening with the Bio‑Rad ID Dia 11-cell panel (Bio-Rad Laboratories, Inc.

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Objective: Bariatric surgery is an effective treatment to obesity, leading to weight loss and improvement in glycemia, that is characterized by hypersecretion of gastrointestinal hormones. However, weight regain and relapse of hyperglycemia are not uncommon. We set to identify mechanisms that can enhance gastrointestinal hormonal secretion following surgery to sustain weight loss.

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Light-chain (AL) amyloidosis is a rare plasma cell disorder characterized by the deposition of misfolded immunoglobulin light chains in target organs, leading to multi-organ dysfunction. Treatment approaches have historically mirrored but lagged behind those of multiple myeloma (MM). Recent advancements in MM immunotherapy are gradually being evaluated and adopted in AL amyloidosis.

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Compromised vascular supply and insufficient neovascularization impede bone repair, increasing risk of non-union. Cyr61, Cysteine-rich angiogenic inducer of 61kD (also known as CCN1), is a matricellular growth factor that is regulated by mechanical cues during fracture repair. Here, we map the distribution of endogenous Cyr61 during bone repair and evaluate the effects of recombinant Cyr61 delivery on vascularized bone regeneration.

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Venetoclax, an oral BCL-2 inhibitor, has been widely incorporated in the treatment of acute myeloid leukaemia. The combination of hypomethylating agents and venetoclax is the current standard of care for elderly and patient's ineligible for aggressive therapies. However, venetoclax is being increasingly used with aggressive chemotherapy regimens both in the front line and in the relapse setting.

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Introduction: High-dose methotrexate (HDMTX)-based regimens are the treatment of choice in primary central nervous system lymphoma (PCNSL). Folinic acid (FA) rescue is used to mitigate the toxic effects of MTX on normal cells. However, the optimal dosing of FA in PCNSL remains uncertain.

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Quantitative PCR for specific mutation is being increasingly used in Acute Myeloid Leukemia (AML) to assess Measurable Residual Disease (MRD), allowing for more tailored clinical decisions. To date, standardized molecular MRD is limited to typical NPM1 mutations and core binding factor translocations, with clear prognostic and clinical implications. The monitoring of other identified mutations lacks standardization, limiting its use and incorporation in clinical trials.

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Weight loss interventions, including dietary changes, pharmacotherapy, or bariatric surgery, prevent many of the adverse consequences of obesity, and may also confer intervention-specific benefits beyond those seen with decreased weight alone. We compared the molecular effects of different interventions on liver metabolism to understand the mechanisms underlying these benefits. Male rats on a high-fat, high-sucrose diet underwent sleeve gastrectomy (SG) or intermittent fasting with caloric restriction (IF-CR), achieving equivalent weight loss.

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Objectives: To compare end-of-life (EOL) care for solid tumor and hematologic malignancy (HM) patients.

Methods: We collected data on the last 100 consecutive deceased HM and 100 consecutive deceased solid tumor patients who died prior to June 1st 2020, treated at a single center. We compared demographic parameters, cause of death as ascertained by review of medical records by two independent investigators, and EOL quality indicators including: place of death, use of chemotherapy or targeted/biologic treatment, emergency department visits as well as hospital, inpatient hospice and Intensive Care Unit admissions and the time spent as inpatient over the last 30 days of life; mechanical ventilation and use of blood products during the last 14 days of life.

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Objectives: Dysregulation of BCL-2 family members has been reported in acute lymphocytic leukemia (ALL), with various BH3-dependencies of the leukemic clone. We conducted a multicenter retrospective cohort of patients with relapsed/refractory B or T ALL, with ven-chemotherapy or ven-navitoclax combinations, to assess efficacy and safety.

Methods: Seventeen patients were included in the analysis, median age was 32 years, with 6 B-ALL and 11 T-ALL patients.

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Metastatic and high-risk localized prostate cancer respond to hormone therapy but outcomes vary. Following a pre-specified statistical plan, we used Cox models adjusted for clinical variables to test associations with survival of multi-gene expression-based classifiers from 781 patients randomized to androgen deprivation with or without abiraterone in the STAMPEDE trial. Decipher score was strongly prognostic (p<2×10) and identified clinically-relevant differences in absolute benefit, especially for localized cancers.

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Venetoclax, a B-cell lymphoma (BCL-2) inhibitor, in combination with hypomethylating agents has become the new standard of care in elderly and unfit patients with acute myeloid leukemia, with significantly improved overall survival and quality of life. Studies of venetoclax combined with high-dose chemotherapy are emerging with evidence of higher rates of molecular remission. Recently, a growing number of publications bring forth the use of venetoclax in patients with acute lymphoblastic leukemia (ALL).

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Article Synopsis
  • Findings indicate that genomic copy number alterations in prostate cancer may serve as a potential marker for prognosis, being linked to higher risks of metastases and disease progression.
  • The study involved analyzing tumor samples from 300 advanced prostate cancer patients before treatment, tracking their health outcomes over a median of 7 years.
  • Significant differences were found in copy number changes; losses were more common than gains, with specific chromosome changes correlating with higher alterations and worse clinical outcomes.
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Introduction: Certain airway disorders, such as tracheal stenosis, can severely affect the ability to breathe, reduce quality of life, and increase morbidity and mortality. Treatment options for long-segment tracheal stenosis include multistage tracheal replacement with biosynthetic material, autotransplantation, and allotransplantation. These interventions have not demonstrated long-term dependable results because of lack of adequate blood supply to the organ and ciliated epithelium.

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