Rheumatoid Arthritis And The Most Common Form Of Arthritis

Rheumatoid Arthritis (RA) is a chronic inflammatory disease that primarily attacks all synovial joints. RA is the second most common form of arthritis, with osteoarthritis being the most common (Clements, 2011). It can occur at any age, however it generally affects those between the age of 30 and 50 (Marieb and Hoehn, 2013). If left untreated, active rheumatoid arthritis can cause joint damage, frailty, a decrease in quality of life, cardiovascular disorders along with other dire consequences (Scott, Wolfe, Huizinga, 2010). Classification The aetiology of RA is currently unknown. If an individual susceptible to RA is exposed to a certain antigen, it can result in joint inflammation as the body initiates an immune response that creates antibodies to fight the toxin. This antigen attacks the synovial membrane and it becomes irritated. As a result, the synovial membrane grows larger and erodes the bone. It also produces more synovial fluid, causing inflammation (Ryan, 2014). In epidemiology, incidence is defined as the number of new cases of a disease during certain time period, and prevalence is defined as the total number of all cases of a disease (O’Toole, 2013). For prevalence in New Zealand, 125 000 people aged 15 and over had RA. It is expected that by 2020, 150 000 people will be affected by this disease. Add incidence Many factors contribute towards the susceptibility of RA. According to Scott, Wolfe and Huizinga (2010), genetic factors attribute to 50% of theShow MoreRelatedThe Genetic Inheritance And Discovery Of Rheumatoid Arthritis1508 Words   |  7 PagesDiscovery of Rheumatoid Arthritis Abigail L. Atkinson B7 Biology 5/22/17  Finding the cause of arthritis is important because 31 million people in the United States of America are affected. The definite cause is still unknown, but in this paper recent scientific studies regarding rheumatoid arthritis will be discussed and explained. 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