Ankylosing Spondylitis: A Long Time Rheumatic Disese

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Introduction Ankylosing Spondylitis (AS) is a long-term, rheumatic disease characterized by inflammatory back pain (Khan, 2002). AS, previously known as Bechterew’s disease and Marie- Stümpell disease, is of unknown origin, but the dysfunction of immune mechanisms is believed to have a crucial role (Braun and van der Heijde 2007). This disease usually affects the sacroiliac joints and spine, leading to eventual fusion (ankylosing) of the involved joints (Khan 2002 and Zhang et al. 2003). This disease affects up to 0.1-1.1% of the Caucasian adult population worldwide. Patients with AS also show increased rates of work disability, unemployment (Boonen 2002), and higher mortality rates (Braun and Pincus 2002). Although the exact etiology of AS is unknown, HLA-B27, a rare allele of the HLA-B gene, is found in around 90% of patients with the disease indicating a strong genetic association(Khan 1995). 1-2% of individuals with the HLA-B27 genotype have developed the disease(1995). Erdesz et al. (1997) suggest that several B27 subtypes may be involved in pathogenesis of spondylitis. Tiwana et al. (2001) suggested that AS arises from a synergism between HLA-B27 and antigens of the Klebsiella bacterial genus. Sieper at al. (2011) then argued that the elimination of the prime nutrients of Klebsiella (starches) would decrease the presence of the antigen in the blood and improve the musculoskeletal symptoms. However, as Khan (2002) argues, evidence for a correlation between Klebsiella and AS is circumstantial so far. There is no cure for AS, although treatments and medications can reduce symptoms and pain (Williams et al. 2007). Symptoms appear gradually, starting at around 23 years of age (Feldtkeller et al. 2003). The treatment of AS c... ... middle of paper ... ...ated acute phase reactants seem to benefit mostly from continuous treatment with NSAIDs. This is the first study to show a possible disease modifying effect of continuous treatment, and warrants further investigation. Following a literature review, van den Berg et al. (2012) described how two studies showed that all NSAIDs have statistically significant moderate to good effects on AS disease activity and pain. Furthermore, no signs of toxicity from NSAIDs were found in this review. However, NSAIDs at certain dosages can cause an increased risk of Gastrointestinal (GI) bleeding. This bleeding can be lessened with the use of gasto-protective agents (Zochling et al 2005). Analgesics, such as paracetamol and opioids, may be considered for pain control in patients in whom NSAIDs are insufficient, contraindicated, and/or poorly tolerated (Lewis et al. 2002). .

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