Results for "biologic agents"
Conditions Encyclopedia Entry 1777263788
** This encyclopedia entry is about **Rheumatoid Arthritis (RA)**, a chronic autoimmune disorder that causes inflammation and pain in the joints. **CONTENT:** ## Overview Rheumatoid Arthritis (RA) is a complex and debilitating condition that affects millions of people worldwide. It is a chronic autoimmune disorder that causes the immune system to attack the lining of the joints, leading to inflammation, pain, and stiffness. RA can affect any joint in the body, but it most commonly affects the hands, feet, wrists, elbows, knees, and ankles. The symptoms of RA can vary from person to person, but they often include joint pain and stiffness, swelling, redness, and warmth around the affected joints, as well as fatigue, fever, and loss of appetite. RA is a systemic disease, meaning that it can affect not only the joints but also other parts of the body, such as the skin, eyes, lungs, heart, and blood vessels. In severe cases, RA can lead to joint deformity, disability, and even life-threatening complications. Despite its severity, RA is a treatable condition, and with proper management, many people with RA are able to lead active and fulfilling lives. ## History/Background The first recorded description of RA dates back to the 17th century, when the English physician Thomas Sydenham described a condition that he called "gouty arthritis." However, it was not until the 20th century that RA was recognized as a distinct medical condition. In the 1940s and 1950s, researchers began to understand the role of the immune system in RA, and the development of new treatments, such as corticosteroids and disease-modifying antirheumatic drugs (DMARDs), revolutionized the management of the condition. ## Key Information RA is caused by a combination of genetic and environmental factors, including: * **Genetics:** RA tends to run in families, and certain genetic markers have been identified as risk factors for the condition. * **Environmental factors:** Exposure to certain environmental toxins, such as silica and heavy metals, has been linked to an increased risk of RA. * **Hormonal factors:** Hormonal changes, such as those that occur during pregnancy or menopause, can trigger RA in some people. The symptoms of RA can be divided into two main categories: * **Joint symptoms:** Joint pain and stiffness, swelling, redness, and warmth around the affected joints. * **Systemic symptoms:** Fatigue, fever, loss of appetite, and weight loss. RA is diagnosed based on a combination of clinical evaluation, laboratory tests, and imaging studies. The diagnosis is often made using a combination of the following criteria: * **American College of Rheumatology (ACR) criteria:** A set of criteria that includes symptoms, laboratory tests, and imaging studies to diagnose RA. * **Rheumatoid factor (RF) test:** A blood test that detects the presence of RF, an antibody that is often present in people with RA. * **C-reactive protein (CRP) test:** A blood test that measures the level of CRP, a protein that is produced in response to inflammation. ## Significance RA is a significant public health concern, affecting millions of people worldwide. It is estimated that RA affects up to 1% of the global population, and it is a leading cause of disability and work loss. RA also has a significant economic burden, with estimated annual costs of over $100 billion in the United States alone. Despite its severity, RA is a treatable condition, and with proper management, many people with RA are able to lead active and fulfilling lives. The development of new treatments, such as biologic agents and Janus kinase (JAK) inhibitors, has revolutionized the management of RA, and researchers continue to explore new treatments and therapies. **INFOBOX:** - **Name:** Rheumatoid Arthritis - **Type:** Chronic autoimmune disorder - **Date:** First described in the 17th century - **Location:** Affects joints worldwide - **Known For:** Chronic inflammation and pain in the joints **TAGS:** Rheumatoid Arthritis, autoimmune disorder, chronic condition, joint pain, inflammation, fatigue, fever, loss of appetite, disability, work loss, public health concern, economic burden, treatment, management, biologic agents, Janus kinase inhibitors.
Health & MedicineConditions Encyclopedia Entry 1778294656
Rheumatoid Arthritis (RA) is a chronic autoimmune disorder that causes inflammation and pain in the joints, affecting millions of people worldwide.
Health & MedicineConditions Encyclopedia Entry 1782957666
** **Rheumatoid Arthritis (RA)** is a chronic autoimmune disorder that causes inflammation and pain in the joints, leading to stiffness, swelling, and potential long-term damage. ## Overview Rheumatoid Arthritis (RA) is a complex and multifaceted condition that affects millions of people worldwide. It is a type of autoimmune disease, where the body's immune system mistakenly attacks the lining of the joints, leading to inflammation and damage. This chronic condition can cause significant pain, stiffness, and swelling in the affected joints, making everyday activities challenging. RA can also have a profound impact on a person's quality of life, affecting their mental health, relationships, and overall well-being. RA is not just a joint disease; it is a systemic condition that can affect various organs and tissues in the body. The exact causes of RA are still not fully understood, but research suggests that a combination of genetic, environmental, and hormonal factors may contribute to its development. While there is no cure for RA, various treatments and therapies can help manage the symptoms, slow disease progression, and improve quality of life. ## History/Background The earliest recorded descriptions of RA date back to ancient civilizations, with the Greek physician Hippocrates (460-370 BCE) describing a condition similar to RA. However, it wasn't until the 19th century that RA was formally recognized as a distinct medical condition. In 1800, the French physician Augustin Jean Fresnel described a condition characterized by inflammation and pain in the joints, which is now known as RA. Over the years, our understanding of RA has evolved significantly, with advances in medical research, diagnosis, and treatment. ## Key Information RA is a chronic condition that affects approximately 1% of the global population. It is more common in women than men, with a female-to-male ratio of 3:1. The condition typically affects people between the ages of 30 and 60, although it can occur at any age. The symptoms of RA can vary widely, but common signs include: * Joint pain and stiffness, particularly in the hands, feet, knees, and elbows * Swelling and redness in the affected joints * Morning stiffness that lasts for hours * Fatigue and loss of energy * Loss of appetite and weight loss * Fever and fatigue RA can be diagnosed through a combination of medical history, physical examination, laboratory tests, and imaging studies. The diagnosis is based on the presence of specific criteria, including joint inflammation, morning stiffness, and the presence of rheumatoid factor (RF) or anti-citrullinated protein antibodies (ACPAs). ## Significance RA is a significant public health concern, with a substantial impact on individuals, families, and society as a whole. The condition can lead to: * Joint damage and deformity * Loss of mobility and independence * Mental health issues, such as depression and anxiety * Economic burden, including lost productivity and healthcare costs * Social isolation and relationship strain Despite the challenges posed by RA, there is hope for improved management and treatment. Advances in medical research have led to the development of new therapies, such as biologic agents and Janus kinase (JAK) inhibitors, which can effectively manage symptoms and slow disease progression. Additionally, lifestyle modifications, such as regular exercise, healthy diet, and stress management, can help alleviate symptoms and improve overall well-being. ## INFOBOX: - **Name:** Rheumatoid Arthritis (RA) - **Type:** Chronic autoimmune disorder - **Date:** 1800 (first formal description) - **Location:** Global - **Known For:** Chronic joint inflammation and pain ## TAGS: Chronic autoimmune disorder, joint inflammation, pain, stiffness, swelling, rheumatoid factor, anti-citrullinated protein antibodies, biologic agents, Janus kinase inhibitors, lifestyle modifications.