Definition
Gaucher disease is an uncommon hereditary metabolic disease. This condition affects multiple organs and tissues throughout the body.
Causes
Gaucher disease is transmitted through an autosomal recessive inheritance type. For a child to inherit the condition, it is necessary for both parents to possess the Gaucher gene (gene mutation).
A deficiency in the functionality of an enzyme responsible for the degradation of lipid compounds characterizes Gaucher disease. This leads to the buildup of specific lipid compounds in particular organs, including the spleen and liver. This disorder leads to the enlargement of the organ and can impact its functionality.
Lipids can also accumulate in bone tissue, resulting in bone fragility and elevating the likelihood of fracture. An impairment of the bone marrow can have a detrimental impact on the blood's coagulation capabilities.
You can read about the fracture here: Fracture: Definition, Causes, Symptoms, And Treatment
Risk Factor
People of Jewish, Eastern, and Central European (Ashkenazi) descent have a higher risk of developing type 1 Gaucher disease.
Symptoms
Gaucher disease includes multiple subtypes, each exhibiting different signs and symptoms, which can significantly differ even within individuals with the same subtype. Currently, type 1 is the prevailing.
- Type 1. This subtype affects approximately 90% of Gaucher disease patients. Those with type 1 have an insufficiency of platelets in their bloodstream. This may result in extreme fatigue and a vulnerability to bruising. You may develop your symptoms at any age. There is a possibility that you will develop an enlarged liver or spleen. Additionally, you may develop kidney, lung, or bone issues
- Type 2. This particular form impacts infants between the ages of 3 and 6 months and is classified as fatal. The majority of children do not make it past the age of 2
- Type 3. Bone disorders, eye movement disorders, convulsions that become increasingly severe, blood diseases, respiratory issues, and an enlarged liver and spleen are among the symptoms
Even identical twins are susceptible to this disease, which can manifest in extremely diverse degrees of severity. Gaucher disease can affect individuals with minimal or absent symptoms.
The majority of individuals afflicted with Gaucher disease experience the subsequent complications, which may differ in intensity:
- Abdominal disorders. As a result of the spleen and liver enlarging significantly, the stomach will become painfully enlarged and protruding
- Bone pathologies. By eroding bones, Gaucher disease can elevate the risk of sustaining excruciating fractures. This disease may also cause a disruption in the blood supply to the bones, leading to the potential death of certain bone components
- Hematological disorders. A deficiency in red blood cells (anemia) results in extreme fatigue. Additionally, Gaucher disease impacts cells responsible for blood clotting, which can result in symptoms such as nosebleeds and simple bruising
While uncommon, Gaucher illness can affect the brain, leading to atypical eye movements, muscle rigidity, dysphagia, and convulsions.
If you want to know more about anemia, you can read it here: Anemia - Definition, Causes, Symptoms, And Treatment
Diagnosis
Confirmation of a Gaucher disease diagnosis involves assessing the patient's medical history, a physical examination, and additional diagnostic tests.
Anamnesis
A medical interview is an interactive session where a physician and a patient engage in a dialogue consisting of questions and answers. The physician will inquire about:
- Current symptoms
- History of pregnancy and delivery
- Growth and development history
- Prior medical history
- Family disease history
Physical Examinations
The physical examination is categorized into two different types: general and specific physical examinations. During a comprehensive physical examination, the physician will evaluate the individual's blood pressure, respiration rate, pulse, and body temperature.
During a specialized physical examination, the doctor will evaluate your height and weight and subsequently compare them to a standardized growth curve. Subsequently, the physician will apply pressure to the abdomen of either you or your child to assess the dimensions of the spleen and liver.
Additional Examinations
The doctor may also recommend laboratory tests, radiological examinations, and genetic counseling.
- Laboratory analysis
Enzyme levels associated with Gaucher disease can be assessed by examining blood samples. Genetic analysis can determine the presence of the condition.
- Diagnostic imaging procedure. Individuals afflicted with Gaucher disease typically require periodic evaluations to evaluate the development of the condition
- Dual-energy X-ray absorptiometry (DXA). This examination uses low-energy X-rays to measure bone density
- MRI. Using radio waves and a strong magnetic field, an MRI scan can show whether the spleen or liver is enlarged and if the disease has spread to the bone marrow
Management
Gaucher disease is incurable; however, some therapeutic approaches can assist in symptom management, permanent injury prevention, and enhancement of the patient's quality of life. Certain individuals experience minimal symptoms that do not necessitate therapeutic intervention.
The doctor will advise regular monitoring to gauge the disease's progression and spot any potential complications. Whether or not you must check in frequently is situation-dependent.
Therapy with certain medications can improve symptoms in individuals with Gaucher disease.
- Enzyme replacement treatment. This medication addresses the enzyme deficit by substituting it with a synthetic enzyme. This enzyme replacement therapy is administered intravenously, typically in high dosages and at a frequency once per fortnight. Occasionally, individuals may experience an allergic reaction or hypersensitivity to enzyme therapy
- Miglustat. This oral medication can impact the accumulation of fatty molecules in Gaucher disease. Common adverse effects include diarrhea and a decrease in body weight
- Eliglustat. This medication additionally blocks the synthesis of lipids that accumulate in individuals diagnosed with Gaucher disease type 1. Common adverse effects encompass fatigue, headaches, nausea, and diarrhea
- Osteoporosis medications. The medication has the ability to enhance the structural integrity of bones that have been compromised due to Gaucher disease
If your symptoms are severe and you are not capable of receiving the aforementioned therapy, your doctor may suggest:
- Bone marrow transplantation. This method involves extracting and substituting blood-forming cells that have incurred damage due to Gaucher disease. This intervention can potentially ameliorate numerous manifestations and indications of Gaucher disease. Due to its high-risk nature, this technique is less commonly performed compared to enzyme replacement treatment
- Splenectomy refers to the surgical extraction of the spleen. Before the availability of enzyme replacement therapy, splenectomy was a prevalent therapeutic approach for managing Gaucher disease. Presently, this treatment is commonly employed as a final option
Complications
Gaucher disease may lead to the following complications:
- Childhood growth problems and the onset of puberty
- Osteoporosis
- Ostealgia
- Cerebral impairment
- Arthralgia
- Gait impairment
- Anemia, a condition characterized by a deficiency of red blood cells
- Severe exhaustion
- Conditions related to the female reproductive system and childbirth
- Parkinson's disease
- Neoplasms such as myeloma, leukemia, and lymphoma
If you want to know more about Parkinson's Disease, you can read it here: Parkinson's Disease - Definition, Causes, Symptoms, And Treatment
Prevention
Gaucher disease cannot be prevented if one possesses this gene mutation. However, genetic testing may be something to contemplate before commencing a family, particularly if either you or your spouse have a familial predisposition to Gaucher disease or are of Ashkenazi Jewish heritage.
To determine whether the fetus is susceptible to Gaucher disease, doctors occasionally advise prenatal screening. Additionally, examining relatives of individuals with Gaucher disease can aid in early detection and treatment.
When to see a doctor?
Immediately consult a doctor if you develop Gaucher disease, as described above, or have a family history of the condition.
Call your doctor immediately if you develop any new symptoms of Gaucher's disease, including joint pain or seizures. In addition, consult your doctor if your treatment is no longer effective in managing your symptoms.
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- dr. Monica Salim
Gaucher disease (2022) Mayo Clinic. Mayo Foundation for Medical Education and Research. Available at: https://www.mayoclinic.org/diseases-conditions/gauchers-disease/symptoms-causes/syc-20355546 (Accessed: January 12, 2023).
Gaucher disease (2019) Gaucher Disease | Johns Hopkins Medicine. Available at: https://www.hopkinsmedicine.org/health/conditions-and-diseases/gaucher-disease (Accessed: January 12, 2023).
Gaucher disease: Causes, symptoms & treatment (2020) Cleveland Clinic. Available at: https://my.clevelandclinic.org/health/diseases/16234-gaucher-disease#prevention (Accessed: January 12, 2023).