| Ankylosing Spondylitis is one of the more | | | | goals consist of relieving pain and stiffness as well |
| common forms of arthritis affecting about 0.5% | | | | as maintaining function.A comprehensive program |
| of the population. It affects men more often than | | | | consists of a combination of anti-inflammatory |
| women in a ratio of about 2.4-5:1. The disease is | | | | medicines to help with symptoms as well as |
| categorized as a "spondyloarthropathy"... a type of | | | | disease-modifying therapy to slow down the rate |
| arthritis that preferentially affects the spine. It | | | | of progression. Examples of anti-inflammatory |
| usually starts in the sacroiliac joints- the joints that | | | | drugs are drugs such as ibuprofen (Motrin), |
| join the pelvis to the low back- and spreads | | | | naproxen (Naprosys), nabumetone (Relafen), |
| upwards to involve the rest of the spine. Peak | | | | etodolac (Lodine), meloxicam (Mobic), and |
| age of onset is between 15 and 30 | | | | celecoxib (Celebrex). Disease-modifying drugs that |
| years.Typically, a patient will complain of stiffness | | | | are used extensively for this condition are |
| in the low back or neck or both that is worse | | | | sulfasalazine (Azulfidine) and methotrexate. Biologic |
| with rest and better with activity. Often, a young | | | | therapies like etanercept (Enbrel), adalimumab |
| person will pursue sports as a way to relieve the | | | | (Humnira), and infliximab (Remcade) are |
| pain they have! Stiffness during the day after | | | | considered important for inducing remission. A solid |
| inactivity is also common. Other joints affected | | | | program of physical therapy to help with range of |
| include the hip, knee, wrists, shoulders, elbows, | | | | motion is also mandatory.For patients with |
| and ankles. Fatigue is a very common symptom. | | | | suspected eye disease, close supervision by an |
| Occasionally low grade fever, appetite loss, and | | | | experienced ophthalmologist is also |
| weight loss may be seen.Patients will sometimes | | | | recommended.Patients with far-advanced disease |
| present with the extra-articular (outside of the | | | | may suffer complications including compression of |
| joint) symptoms. Examples include inflammation of | | | | the spinal cord (cauda equina syndrome), and |
| the eye, lungs, and rarely, the heart. The most | | | | fractures of the neck. In particular, care should be |
| common extra-articular symptom is eye | | | | exercised in preparing patients with AS for |
| inflammation which occurs in about 40% of | | | | surgery. Intubation (placing a breathing tube into |
| patients and must be diagnosed and treated | | | | the airways) for general anesthesia carries the |
| aggressively. Blindness is a dreaded | | | | risk of inadvertent spine fracture.Surgery is |
| complication.The physical exam will show limitation | | | | reserved for far advanced cases that have not |
| of range of motion in the low back. Chest | | | | responded to medical therapy.The clinical course |
| expansion is also restricted since many patients | | | | and prognosis is highly variable and also highly |
| with AS will have limited ability to expand their | | | | dependent on the rapidity of diagnosis and the |
| lungs due to involvement of the thoracic | | | | effectiveness of therapy.Dr. Wei (pronounced |
| spine.Occasionally, women with AS will have more | | | | "way") is a board-certified rheumatologist and |
| symptoms in the neck than the low | | | | Clinical Director of the nationally respected |
| back.Laboratory testing will show abnormalities | | | | Arthritis and Osteoporosis Center of Maryland. He |
| that indicate the presence of inflammation. | | | | is a Clinical Assistant Professor of Medicine at the |
| Patients with AS will also have the genetic marker | | | | University of Maryland School of Medicine and has |
| HLA B27 in about 90% of cases.Imaging studies | | | | served as a consultant to the Arthritis Branch of |
| such as magnetic resonance imaging will show the | | | | the National Institutes of Health. He is a Fellow of |
| presence of inflammation in the sacroiliac joints. | | | | the American College of Rheumatology and the |
| Inflammation of the tendon insertions at different | | | | American College of Physicians. |
| affected joints will also be evident.Treatment | | | | |