WELCOME

WELCOME

Dr. Wiam Clinic is the Diabetes,

Endocrinology, and Metabolism Clinic in the Kingdom of Bahrain.

The Clinic provides specialized care in Endocrinology (Thyroid, Parathyroid, Pituitary, Adrenal and Gonadal sex hormones disorders), Diabetes, Obesity and related disorders like high blood pressure and high cholesterol.


Using evidence-based medicine and the latest international guidelines for diagnosis and treatments, we provide high-quality care similar to what is provided in the United States of America. We also understand the culture, food habits, and lifestyles that make us offer exceptional individualized care to each individual.


We are located at Royal Bahrain Hospital in Manama and Royal Bahrain Medical Center in Janabiyah. Therefore, providing care to all the citizens of the Kingdom and the expatriate guests. We get the utmost pride in contributing to a healthier nation.


We look forward to providing you with exemplary care.


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Dr. Wiam I. Hussein

MD, FACP, FACE

Excellence in Bahrain Exceptional Care by a Highly Qualified Doctor

The Diabetes and Endocrine Clinic of

Excellence in Bahrain Exceptional Care by a Highly Qualified Doctor

Hormones

Hormones

Hormones are chemicals circulating in the blood to carry messages or signals to different parts of the body. The name hormone comes from Greek meaning “to excite”, referring to the way each hormone excites or stimulates a particular part of the body.




Hormones are used to communicate between organs and tissues for physiological regulation and behavioral activities, such as digestion, metabolism, respiration, tissue function, sensory perception, sleep, excretion, lactation, stress, growth and development, movement, reproduction, and mood. There are several major glands in the body:


1- Hypothalamus – Situated in the brain and it’s attached to the Pituitary by a stalk-like structure. It acts as a collecting center for information concerned with the internal well-being of the body.


2- Pituitary – It’s about the size of a pea and it’s located beneath the brain, just behind the bridge of your nose. It is often referred to as the “master gland” because it controls the functions of other glands.


3- Thyroid – Located in the front part of the neck, near the windpipe. It controls many bodily functions such as heart rate, temperature and metabolism.


4- Parathyroid – These are 4 tiny glands located behind the thyroid. They process the calcium in your body.

5- Adrenals – As the name suggests, these glands are located just above the kidneys. They produce hormones essential for life and to help us cope with stress.


6- Pineal – It’s a tiny gland located at the base of the brain and produces the hormone melatonin, helping to control your sleep and wake cycles.


7- Ovaries – Besides housing the egg cells needed for reproduction, the ovaries also produce the hormones Estrogen and Progesterone, necessary for menstruation and female sexual characteristics.


8- Testes – They produce the necessary hormones responsible for the production of sperm and other male sexual characteristics.


9- Pancreas – Cells in the pancreas produce insulin and glucagon, hormones which regulate the blood sugar that provides the body with energy. Diabetes, which is under secretion of the Insulin hormone, is part of the endocrine disorders.


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The clinic offers the evaluation, diagnosis and management of hormonal and metabolic disorders such as diabetes, obesity, thyroid disorders, high cholesterol, hypertension, osteoporosis, hirsutism (increase hair in women), and calcium disorders. The endocrinologists also deal with the diagnosis and management of tumors of the thyroid, pituitary gland, gonads and adrenal glands.

Thyroid Gland

Thyroid Gland

The under-diagnosed endocrine disorder Thyroid diseases are one of the most common endocrine disorders that is easily diagnosed and treated. However, the disease is usually under-diagnosed and under-treated affecting high percentage in the population.


A quick overview of the common thyroid disorders Thyroid disorders are broadly divided into thyroid function disorders (hypothyroidism and hyperthyroidism) and thyroid gland size disorders (goiters and nodules) which could be present both in a single patient. The disorders are more prevalent with age, with family history of thyroid disease and autoimmune disorders, and much more common in females. Thyroid disorders occur in a significant proportion of the general population and increasingly being diagnosed but still with more than half of the cases undiagnosed.


In one of the largest studies to date, the Colorado study, revealed around 10 % of population do suffer from hypothyroidism and 3% hyperthyroidism. Thyroid nodules are very common and were found in multiple studies to reach 50% of population without a history of clinically detectable thyroid disease. The natural history of thyroid diseases usually evolves but with early diagnosis and appropriate management by a specialized Endocrinologist, most disorders are treatable.



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Hypothyroidism


Hypothyroidism is a clinical syndrome resulting from a deficiency of thyroid hormones which in turn results in a generalized slowing down of the metabolic process.

Whether hypothyroidism results from hypothalamic-pituitary disease or primary thyroid disease, symptoms and signs of the disease vary in relation to the magnitude of the thyroid hormone deficiency, and the acuteness with which the deficiency develops. Hypothyroidism is less prominent clinically and better tolerated when there is a gradual loss of thyroid function (as in most cases of primary hypothyroidism) than when it develops acutely after thyroidectomy or abrupt withdrawal of exogenous thyroid hormone. The symptoms are mostly related to the generalized slowing of metabolic processes. This can lead to abnormalities such as fatigue, slow movement and slow speech, cold intolerance, constipation, weight gain, delayed relaxation of deep tendon reflexes, and bradycardia.


However, the accumulation of matrix glycosaminoglycans in the interstitial spaces of tissues can lead to coarse hair and skin, puffy facies, enlargement of the tongue, and hoarseness. These changes are often more easily recognized in young patients, and they may be attributed to aging in older patients. This hypometabolism that is associated with hypothyroidism results in a decrease in cardiac output that is mediated by reductions in heart rate and contractility that could worsen cardiac failure. Hypertension, hyperlipidemia and hyperhomocysteinemia could complicate hypothyroidism thus leading to atherosclerosis.


Hypothyroidism in infants and children results in marked slowing of growth and development, with serious permanent consequences including mental retardation. In adult females, hypothyroidism may cause menstrual changes and these menstrual changes result in decreased fertility and hyperprolactinemia may occur. If pregnancy does occur, there is an increased likelihood for early abortion and decreased IQ of the fetus. However, many cases are asymptomatic or have non-specific signs and symptoms like in post-partum depression, fatigue, anemia, or with GI symptoms. The American Thyroid Association recommends every one to test their thyroid function at 35 years of age.

Adult primary hypothyroidism is caused most frequently by chronic autoimmune thyroiditis (Hashimoto thyroiditis) and is present in up to 10 % of the population. Women older than 40 years of age and elderly individuals of both sexes are affected most frequently but could occur at any age. Other causes of hypothyroidism include thyroidectomy, radioactive iodine therapy, antithyroid drugs, head and neck irradiation, certain medications and congenital defects.


Hyperthyroidism


It results from excess thyroid hormone and is present in a variety of conditions that are mainly caused by intrinsic thyroid disease, including hyperthyroidism due to toxic diffuse goiter (Graves’ disease), toxic multinodular goiter, toxic adenoma and thyroiditis (painful and subacute, or silent).


Thyrotoxicosis may also be associated with excessive pituitary TSH production, a trophoblastic tumor, or excessive ingestion of iodine or thyroid hormone.


A wide range of signs and symptoms is associated with hyperthyroidism but manifestations and severity depend on the extent of thyroid hormone excess, age of the patient, and duration of the condition.


They usually present with symptoms related to the higher metabolism like sweating, tremor, palpitations, unexplained weight loss, hyperdefecation, heat intolerance, insomnia, and muscle weakness. They also could have significant eye symptoms with dermopathy or be only as a cardiac presentation especially in older populations presenting only with atrial fibrillations, tachycardias and/or heart failure. Children may present with height and growth related problems or just hyperactivity. They tend to have more weight gain than weight loss.The condition may be diagnosed during pregnancy and could present with abortion, failure to gain weight during pregnancy or weight loss, and fetal tachycardia as thyroid stimulating antibodies can cross the placenta to stimulate the fetal thyroid.



Careful assessment should be done with proper laboratory data and thyroid scan before treatment as Thyrotoxicosis could be a simple thyroiditis that resolves or one of the toxic thyroid disorders requiring appropriate treatment.


Goiters


Goiter, which is an enlargement of the thyroid gland, may be diffuse or nodular, and may or may not be associated with hypothyroidism or hyperthyroidism. Diffuse goiter may result from iodine deficiency, exposure to environmental or pharmacologic goitrogens, or autoimmune processes such as Graves’ disease or autoimmune thyroiditis (Hashimoto thyroiditis). Patients with goitrous autoimmune thyroid disorders usually have measurable titers of thyroid autoantibodies and may be

euthyroid or hypothyroid. Nontoxic goiter is often a precursor to toxic multinodular goiter; the toxic form generally is associated with signs and symptoms of hyperthyroidism. If thyroid function is abnormal, then the treatment most likely will help decrease the size of the goiter in most cases. However, if the function was normal, then a careful assessment to consider suppressive therapy depending on the age, level of TSH, size of the goiter and the size response in the first 6 months.

After assessing the function of the thyroid, Patients should have a thyroid scan and/or ultrasound. If nodules are found and are greater than 1.0 cm, the physician should consider performing ultrasound-guided fine-needle aspiration (FNA), or without in ultrasound if nodule is large enough, to rule out malignancy.


Thyroid nodules


A thyroid nodule is a discrete lesion within the thyroid gland that is palpable and/or ultrasonographically distinct from the surrounding thyroid parenchyma. The nodules could be with or without a goiter, and could be solitary or multinodular. A nodule could be solid, cystic or a mixed nodule. Clinically apparent solitary thyroid nodules occur in up to 7% of the general population and more than 50% by thyroid ultrasound studies. The disorder is more common in women than in men. A history of head or neck irradiation is a major risk factor for the development of thyroid nodules and thyroid cancer. Family history of thyroid cancer could be also a risk factor in certain thyroid cancer syndromes. Although thyroid nodules occur less frequently in children than in adults, the diagnostic and therapeutic approach to one or more thyroid nodules in a child should be the same as it would be in an adult. Evaluation during pregnancy is the same as for a non-pregnant patient, except that a radionuclide scan is contraindicated.


Thyroid nodules generally are classified as benign (colloid or follicular adenomas), suspicious, or malignant. The principal diagnostic tool used is fine-needle aspiration (FNA) for cytology. Most nodules are benign and the risk of malignancy is small but still significant to justify FNA. If FNA results indicate that the nodule is malignant or suspicious for malignancy, surgical excision is indicated; the extent of surgery varies depending on factors such as nodule size, location, and the presence of lymph nodes. Thyroid cancer is the commonest malignant endocrine tumour but comprises only about 1% of all malignancies. Over 90% of thyroid cancers are of the follicular or papillary variants often termed differentiated thyroid cancer. The rare forms of thyroid cancer comprise medullary thyroid cancer arising form parafollicluar C-cells, thyroid lymphoma, anaplastic carcinoma, Hurthle-cell carcinoma, squamous cell carcinoma and the very rare intrathyroid sarcoma. A number of factors are associated with an increased risk for thyroid carcinoma; age 40 years, nodule size > 2 cm, regional adenopathy, presence of distant metastasis, prior head and neck irradiation, rapidly growing lesion, development of hoarseness, progressive dysphagia, or shortness of breath, family history of papillary or medullary thyroid carcinoma or Multiple Endocrine Neoplasia (MEN type 2).


Thyroid cancers usually caries good prognosis and is one of the curable cancers when diagnosed, treated early and carefully by a qualified Endocrinologist.




Pituitary Gland

Pituitary Gland

Your pituitary gland is about the size of a pea and is situated in a bony hollow in the base of the brain, just behind the bridge of your nose. It is attached to the base of your brain by a thin stalk. The hypothalamus, which controls the pituitary by sending messages, is situated immediately above the pituitary gland. The pituitary gland is often called the master gland because it controls several other hormone glands in your body, including the thyroid and adrenals, the ovaries and testicles. The hormones of the pituitary gland send signals to other endocrine glands to stimulate or inhibit their own hormone production. The anterior lobe releases hormones upon receiving releasing or inhibiting hormones from the hypothalamus. These hypothalamic hormones tell the anterior lobe whether to release more of a specific hormone or stop production of the hormone.


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Anterior Lobe Hormones:


  1. Adrenocorticotropic hormone (ACTH): ACTH stimulates the adrenal glands to produce hormones.
  2. Follicle-stimulating hormone (FSH): FSH works with LH to ensure normal functioning of the ovaries and testes.
  3. Luteinizing hormone (LH): LH works with FSH to ensure normal functioning of the ovaries and testes.
  4. Growth hormone (GH): GH is essential in early years to maintaining a healthy body composition and for growth in children. In adults, it aids healthy bone and muscle mass and affects fat distribution.
  5. Prolactin: Prolactin stimulates breast milk production.
  6. Thyroid-stimulating hormone (TSH): TSH stimulates the thyroid gland to produce hormones.


The posterior lobe contains the ends of nerve cells coming from the hypothalamus. The hypothalamus sends hormones directly to the posterior lobe via these nerves, and then the pituitary gland releases them.


Posterior Lobe Hormones:


  1. Anti-diuretic hormone (ADH): This hormone prompts the kidneys to increase water absorption in the blood.
  2. Oxytocin: Oxytocin is involved in a variety of processes, such as contracting the uterus during childbirth and stimulating breast milk production.


Diseases and Disorders of the Pituitary Gland


Pituitary tumors are the most common pituitary disorder, and many adults have them. However, they are not, in the great majority of cases, life threatening. But that doesn’t mean they’re harmless—pituitary tumors can disrupt the gland’s normal ability to release hormones. There are two types of pituitary tumors—secretory and non-secretory. Secretory tumors secrete too much of a hormone, and non-secretory tumors don’t secrete excess hormone. These hormonal imbalances can cause problems in many different areas of the body. If you have a secretory tumor that is overproducing thyroid-stimulating hormone, for instance, you will experience hyperthyroidism. The pituitary gland is immensely important to the overall function of your endocrine system—and to your overall health. By working with the hypothalamus, the pituitary gland ensures that all your body’s internal processes work as they should. If you think you may have a problem with your pituitary gland, you should talk to an endocrinologist. He or she will help diagnose and treat your hormone-related condition.



Adrenal Gland

Adrenal Gland

The adrenal glands are two glands that sit on top of the kidneys that are made up of two different areas.


The outer part is the adrenal cortex which produces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your respond to stress) and aldosterone (which maintains the right balance of salt and water while helping control blood pressure).

The inner part is the adrenal medulla which produces less essential hormones, such as adrenaline (which helps your body react to stress). Adrenal Cortex Hormones

The adrenal cortex produces two main groups of hormones; the glucocorticoids and mineralocorticoids. The release of glucocorticoids is triggered by the hypothalamus and pituitary gland. Mineralocorticoids are mediated by signals triggered by the kidney.

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When the hypothalamus produces corticotrophin-releasing hormone (CRH), it stimulates the pituitary gland to release adrenal corticotrophin hormone (ACTH). These hormones, in turn, alert the adrenal glands to produce corticosteroid hormones.


There is a third class of hormone released by the adrenal cortex, known as sex steroids or sex hormones. The adrenal cortex releases small amounts of male and female sex hormones. However, their impact is usually surpassed by the greater amounts of other hormones (such as estrogen and testosterone) released by the ovaries or testes.


Adrenal Medulla Hormones

The hormones of the adrenal medulla are released after the sympathetic nervous system is stimulated, which occurs when you’re stressed. As such, the adrenal medulla helps you deal with physical and emotional stress.


You may be familiar with the fight-or- flight response; a process initiated by the sympathetic nervous system when your body encounters a threatening (stressful) situation.


The hormones of the adrenal medulla contribute to this response:


Epinephrine: or called adrenaline. This hormone rapidly responds to stress by increasing your heart rate and rushing blood to the muscles and brain. It also spikes your blood sugar level by helping convert glycogen to glucose in the liver. (Glycogen is the liver’s storage form of glucose.)

Norepinephrine: Also known as noradrenaline, this hormone works with epinephrine in responding to stress. However, it can cause narrowing of blood vessels. This results in high blood pressure.

Disorders can be related to overproduction or underproduction of one of these hormones with or without tumors of the adrenal gland.


Latest News

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25 Aug 2024

Specialist Doctor Joins the Endocrinology Department at Royal Bahrain Hospital

Royal Bahrain Hospital has recently announced the addition of Dr. Wiam Hussein, a consultant in endocrinology and diabetes, to its specialized medical team. Dr. Hussein brings extensive experience and expertise in treating various endocrine disorders and diabetes, enhancing the hospital's capacity to provide advanced healthcare services. His joining is expected to strengthen the hospital's endocrinology department, which already offers comprehensive services in managing and treating hormone-related conditions. This move aligns with Royal Bahrain Hospital's ongoing commitment to providing high-quality, specialized medical care to its patients.

25 Aug 2024

"Diabetes Specialist Urges Patients to Know Their Blood Levels"

Dr. Wiam Hussein, the Medical Director at the Gulf Diabetes Specialty Center, emphasized the importance of patients monitoring their blood sugar levels to avoid complications. He stressed the need for diabetes patients to be aware of their cholesterol, blood pressure, and glucose levels, highlighting the importance of controlling these levels to prevent serious health risks. Dr. Hussein noted that a comprehensive and meticulous follow-up can significantly reduce the complications of the disease and lead to an improved quality of life for patients.

25 Aug 2024

Bahrain Hosts Thyroid Gland Medical Meeting in January

Bahrain will be hosting a medical meeting focused on thyroid gland disorders in January. The event will bring together leading experts and physicians to discuss the latest developments in diagnosing and treating thyroid-related health issues. This initiative reflects Bahrain's commitment to advancing medical knowledge and providing the best healthcare solutions in the region. Dr. Wiam Hussein, a prominent endocrinologist, will be among the key speakers at this important gathering, sharing insights from his extensive experience in the field.

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