DWARFISM | GROWTH HORMONE DEFICIENCY | DWARFISM TYPES | MANAGEMENT OF GROWTH HORMONE DEFICIENCY
Summary
TLDRGrowth Hormone Deficiency (GHD), also known as dwarfism or pituitary dwarfism, occurs when the body does not produce enough growth hormone, leading to short stature and delayed growth in children. It can be congenital or acquired due to factors like genetic mutations, pituitary tumors, or radiation. Symptoms include slow growth, delayed sexual development, headaches, and other hormonal deficiencies. Diagnosis involves physical exams, blood tests, and imaging. Treatment typically includes daily growth hormone injections, with side effects like joint pain and fluid retention. Early diagnosis and ongoing treatment are essential for effective management of GHD.
Takeaways
- 😀 Growth hormone deficiency (GHD), also known as pituitary dwarfism, is a condition caused by insufficient growth hormone in the body, leading to abnormally short stature in children.
- 😀 GHD can be congenital (present at birth) or acquired (developing later in life), with causes ranging from genetic mutations to pituitary tumors and cranial irradiation.
- 😀 In children, GHD leads to slow growth, short stature, delayed sexual development, and possible facial abnormalities due to pituitary defects.
- 😀 Common causes of GHD include genetic disorders (e.g., Prader-Willi syndrome, Turner syndrome) and malformations of the pituitary gland, such as septoptic dysplasia.
- 😀 Diagnosis of GHD involves physical exams, growth measurements, blood tests to measure growth hormone levels, and imaging tests like MRI to identify pituitary abnormalities.
- 😀 The primary treatment for GHD is recombinant human growth hormone (rhGH) delivered through daily injections. This treatment helps stimulate growth in children and maintain muscle mass in adults.
- 😀 Recombinant growth hormone (rhGH) is produced using genetically engineered bacteria, making it a more reliable and sustainable treatment compared to earlier methods of extraction from human pituitary glands.
- 😀 Children receiving treatment for GHD are closely monitored by pediatric endocrinologists who adjust dosage every three to six months and may extend treatment as long as the child is still growing.
- 😀 In adults, GHD treatment focuses on maintaining muscle and bone mass, reducing the impact of the deficiency, and addressing issues related to mood and cognition.
- 😀 Side effects of growth hormone treatment may include headaches, joint pain, fluid retention, carpal tunnel syndrome, mild hypertension, and visual problems, with rare severe effects like benign intracranial hypertension.
- 😀 Treatment for GHD usually continues into adulthood for those with severe deficiencies. For elderly patients, lower doses are recommended to prevent side effects and maintain normal GH levels.
Q & A
What is Growth Hormone Deficiency (GHD)?
-Growth Hormone Deficiency (GHD), also known as pituitary dwarfism, is a condition where the body doesn't produce enough growth hormone, leading to abnormal short stature while maintaining normal body proportions.
What are the main causes of Growth Hormone Deficiency in children?
-The main causes of GHD in children include congenital genetic mutations (such as GHRH and GH1), diseases like Prader-Willi syndrome and Turner syndrome, malformations of the pituitary gland, and idiopathic causes where no clear cause is identified.
Can GHD be acquired later in life, and if so, what causes it?
-Yes, GHD can be acquired later in life due to causes such as pituitary tumors, cranial irradiation, trauma, surgery, or diseases affecting the pituitary gland. It is more commonly linked to pituitary tumors and their treatment.
What are the common symptoms of Growth Hormone Deficiency?
-Common symptoms include slow or absent growth, short stature below the 5th percentile for age and sex, delayed puberty, headaches, increased urination, excessive thirst, and sometimes facial abnormalities in cases of pituitary defects.
How is Growth Hormone Deficiency diagnosed?
-GHD is diagnosed through a physical exam (measuring height, weight, and limb length), blood tests to check growth hormone levels, and imaging tests like MRI or X-rays to identify abnormalities in the pituitary gland.
What is the treatment for Growth Hormone Deficiency?
-The treatment for GHD is growth hormone replacement therapy, typically using daily injections of recombinant human growth hormone (rhGH). This treatment is monitored and adjusted regularly by pediatric endocrinologists.
How long does treatment for Growth Hormone Deficiency last?
-Treatment for GHD usually continues as long as the child is still growing. In severe cases, lifelong treatment may be recommended, especially in children with significant growth hormone deficiencies.
What are the common side effects of growth hormone treatment?
-Common side effects of growth hormone treatment include headaches, joint and muscle pain, fluid retention, and carpal tunnel syndrome. Rare side effects may include visual problems, nausea, and intracranial hypertension.
What are the potential complications of untreated Growth Hormone Deficiency?
-Untreated GHD can lead to short stature, delayed or absent puberty, and in some cases, additional pituitary hormone deficiencies, which may affect overall health and development.
How is growth hormone administered to children undergoing treatment?
-Growth hormone is administered through daily injections, either under the skin or into the muscle. Injection sites should be rotated to prevent issues like lipoatrophy, and new delivery methods like needle-free systems are also available.
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