Bone marrow failure syndromes

Updated: May 9, 2024

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Background

A group of disorders where the bone marrow fails to produce enough blood cells are called the bone marrow failure syndromes.

It is classified in two types as: Acquired and Inherited. In acquired type it shows presence of aplastic anemia and myelodysplastic syndromes. While in inherited type it shows Fanconi anemia and dyskeratosis congenita.

This leads to insufficient production of various cell which includes red and white blood cells, and platelets such as erythroid and myeloid.

Epidemiology

Bone marrow failure syndromes are rare disorders that arise because of various conditions with varying incidence and prevalence rates.

Aplastic anemia is a prevalent bone marrow syndrome which shows annual incidence of 2 to 6 cases per million individuals.

Myelodysplasia incidence in the United States has raised from 143 cases to approximately 15000 cases in 1973.

Anatomy

Pathophysiology

Bone marrow failure syndromes involve hematopoietic stem cell dysfunction which results from inherited genetic mutations.

Acquired bone marrow failure is caused by immune-mediated destruction of hematopoietic stem and progenitor cells, with T lymphocytes targeting various blood cells inside the body.

Etiology

Chemicals like benzene and pesticides can cause damage to bone marrow cells and high dose of ionizing radiation which used in cancer therapy results in bone marrow failure.

In fanconi anemia condition where mutations in genes are involved in DNA repair pathways which causes genomic instability and bone marrow failure.

Genetics

Prognostic Factors

Younger patients with acquired BMFS generally have better outcomes and the prognosis of bone marrow failure syndrome is determined by its specific type and severity.

Pancytopenia occurs due to low levels of mature blood cells that causes severe anemia which can result in high-output cardiac failure and fatigue.

Clinical History

Adolescents and young adults are at a higher risk of bone marrow failure, still it can occur at any age.

Physical Examination

  • Cardiovascular Examination
  • Respiratory Examination
  • Musculoskeletal Examination
  • Neurological Examination

Age group

Associated comorbidity

Associated activity

Acuity of presentation

Patients with bone marrow failure syndrome are at a higher risk of infections due to neutropenia and impaired immune function.

Acute pancytopenia can result in life-threatening complications for e.g., severe anemia and hemorrhage.

Differential Diagnoses

  • Aplastic Anemia
  • Myelodysplastic Syndromes
  • Fanconi Anemia

Laboratory Studies

Imaging Studies

Procedures

Histologic Findings

Staging

Treatment Paradigm

The identification of the main cause of bone marrow failure is vital for making informed treatment choices.

In primary cases, the physician preferred immunosuppressive therapy as it inhibits autoimmune responses and restore normal red blood cell production along with preventing destruction of hematopoietic stem cells in the body of patient.

Supportive care and preventive measures along with management of complication should be carried out to improve the overall health and quality of life of patients.

Appointments with medical physicians and preventing recurrence of disorder is an ongoing life-long process.

by Stage

by Modality

Chemotherapy

Radiation Therapy

Surgical Interventions

Hormone Therapy

Immunotherapy

Hyperthermia

Photodynamic Therapy

Stem Cell Transplant

Targeted Therapy

Palliative Care

use-of-a-non-pharmacological-approach-for-bone-marrow-failure-syndromes

Physician should encourage the patients about good hygiene practices and how to minimize exposure to infectious agents which reduces the risk of aplastic anemia.

Nutritional counselling plays vital role in recovery process of patient as it promotes the nutritional diet which increase red blood cell production.

Provide enough education about bone marrow failure syndrome and its related causes, how it spreads, and how to stop with management strategies.

To deal with fatigue and stress issues patient should follow occupational or physical therapy which is useful to manage fatigue and maintain functional stability.

Use of Immunosuppressants

Lymphocyte immune globulin (LIG) targets and destroys T-lymphocytes, including activated T-cells responsible for attacking and destroying hematopoietic stem cells in aplastic anemia.

  • Cyclosporine A: When it binds to cyclophilin inhibits calcineurin, a crucial enzyme for activating T-cells in response to antigenic stimulation.

Use of Androgens

  • Danazol: It enhances the production of endogenous erythropoietin, which promotes the differentiation of erythroid progenitor cells, and enhances red blood cell production in the bone marrow.

use-of-intervention-with-a-procedure-in-treating-bone-marrow-failure-syndromes

Hematopoietic Stem Cell Transplantation is a therapeutic procedure for treating inherited and acquired types of bone marrow failure, so this is widely performed by surgeons.

Immunosuppressive therapy can be indicated in bone marrow failure to inhibit the immune system’s response and prevent the destruction of hematopoietic stem cells.

use-of-phases-in-managing-bone-marrow-failure-syndromes

In the initial diagnosis phase, the physician assesses symptoms related to bone marrow failure, which is followed by diagnostic tests, including complete blood count, conducting a bone marrow aspiration and biopsy to confirm the diagnosis.

The regular follow-up visits with medical physicians are required to check the improvement of patients and newly observed complaints.

Long-term management phase is a very important phase which involves continuous monitoring, supportive care, and surveillance for late effects of treatment.

Medication

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Bone marrow failure syndromes

Updated : May 9, 2024

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A group of disorders where the bone marrow fails to produce enough blood cells are called the bone marrow failure syndromes.

It is classified in two types as: Acquired and Inherited. In acquired type it shows presence of aplastic anemia and myelodysplastic syndromes. While in inherited type it shows Fanconi anemia and dyskeratosis congenita.

This leads to insufficient production of various cell which includes red and white blood cells, and platelets such as erythroid and myeloid.

Bone marrow failure syndromes are rare disorders that arise because of various conditions with varying incidence and prevalence rates.

Aplastic anemia is a prevalent bone marrow syndrome which shows annual incidence of 2 to 6 cases per million individuals.

Myelodysplasia incidence in the United States has raised from 143 cases to approximately 15000 cases in 1973.

Bone marrow failure syndromes involve hematopoietic stem cell dysfunction which results from inherited genetic mutations.

Acquired bone marrow failure is caused by immune-mediated destruction of hematopoietic stem and progenitor cells, with T lymphocytes targeting various blood cells inside the body.

Chemicals like benzene and pesticides can cause damage to bone marrow cells and high dose of ionizing radiation which used in cancer therapy results in bone marrow failure.

In fanconi anemia condition where mutations in genes are involved in DNA repair pathways which causes genomic instability and bone marrow failure.

Younger patients with acquired BMFS generally have better outcomes and the prognosis of bone marrow failure syndrome is determined by its specific type and severity.

Pancytopenia occurs due to low levels of mature blood cells that causes severe anemia which can result in high-output cardiac failure and fatigue.

Adolescents and young adults are at a higher risk of bone marrow failure, still it can occur at any age.

  • Cardiovascular Examination
  • Respiratory Examination
  • Musculoskeletal Examination
  • Neurological Examination

Patients with bone marrow failure syndrome are at a higher risk of infections due to neutropenia and impaired immune function.

Acute pancytopenia can result in life-threatening complications for e.g., severe anemia and hemorrhage.

  • Aplastic Anemia
  • Myelodysplastic Syndromes
  • Fanconi Anemia

The identification of the main cause of bone marrow failure is vital for making informed treatment choices.

In primary cases, the physician preferred immunosuppressive therapy as it inhibits autoimmune responses and restore normal red blood cell production along with preventing destruction of hematopoietic stem cells in the body of patient.

Supportive care and preventive measures along with management of complication should be carried out to improve the overall health and quality of life of patients.

Appointments with medical physicians and preventing recurrence of disorder is an ongoing life-long process.

Hematology

Physician should encourage the patients about good hygiene practices and how to minimize exposure to infectious agents which reduces the risk of aplastic anemia.

Nutritional counselling plays vital role in recovery process of patient as it promotes the nutritional diet which increase red blood cell production.

Provide enough education about bone marrow failure syndrome and its related causes, how it spreads, and how to stop with management strategies.

To deal with fatigue and stress issues patient should follow occupational or physical therapy which is useful to manage fatigue and maintain functional stability.

Hematology

Lymphocyte immune globulin (LIG) targets and destroys T-lymphocytes, including activated T-cells responsible for attacking and destroying hematopoietic stem cells in aplastic anemia.

  • Cyclosporine A: When it binds to cyclophilin inhibits calcineurin, a crucial enzyme for activating T-cells in response to antigenic stimulation.

Hematology

  • Danazol: It enhances the production of endogenous erythropoietin, which promotes the differentiation of erythroid progenitor cells, and enhances red blood cell production in the bone marrow.

Hematology

Hematopoietic Stem Cell Transplantation is a therapeutic procedure for treating inherited and acquired types of bone marrow failure, so this is widely performed by surgeons.

Immunosuppressive therapy can be indicated in bone marrow failure to inhibit the immune system’s response and prevent the destruction of hematopoietic stem cells.

Hematology

In the initial diagnosis phase, the physician assesses symptoms related to bone marrow failure, which is followed by diagnostic tests, including complete blood count, conducting a bone marrow aspiration and biopsy to confirm the diagnosis.

The regular follow-up visits with medical physicians are required to check the improvement of patients and newly observed complaints.

Long-term management phase is a very important phase which involves continuous monitoring, supportive care, and surveillance for late effects of treatment.

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