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Rheumatoid Arthritis Priscilla, Jennifer, Reina, Dorinda DEH 26 5.15.08 Patient Profile Name – Rume Aritis Gender – Female Age – 45 Occupation – Stenographer Marital Status – Married Ethnicity – Caucasian Medical History Chief complaint – TMJ soarness, dry mouth, and teeth sensitivity Dental History – Patient has difficulty opening the jaw 4/07 - last dental exam, BWX, and FM scale 4/05 - last FMX Medical History – Patient presents with recurrent finger ache and pain Rheumatoid arthritis since 1999 More Medical History Medications – Gold sodium thiomalate – helps slow down the disease process and decrease inflammation Dental implications: stomatitis, gingivitis and glossitis Aspirin – helps reduce pain Dental implications: increased bleeding Prednisone – used for inflammation Dental implications: none noted Vitals – BP: 125/74, P:78, R:17 ASA III Definition An autoimmune disease of unknown origin that is characterized by symmetric inflammation of the joints, especially of the hands, feet, and knees Incidence and Prevalence Estimates of prevalence range 1-2% of the population. Disease onset usually occurs from ages 35-50 years. Severity of the disease varies widely from patient to patient and from time to time within the same patient. May is National Arthritis Month. More Incidence and Prevalence 3:1 women to men ratio implies involvement of sex hormones in the susceptibility and sensitivity of the disease Suggested factors in playing predisposing roles: Psychosocial stress Education Socioeconomic status Etiology Unknown cause Evidence seems to implicate an interrelationship of infectious agents, genetics, and autoimmunity. Currently, circumstantial evidence suggests that food may play a role in the origin and treatment. Pathophysiology 1. Edema of the 3. synovium thickening and folding to excessive, proliferative, invasive granulation tissue = pannus Granulation tissue covers the articular surfaces and destroys the cartilage and subchondral bone through enzymatic activity extending to capsule and ligaments distension and rupture 2. Marked infiltration of lymphocytes and plasma cells into the capsule New bone or fibrous tissue is deposited fusion or loss of mobility 4. Complications The life expectancy of persons with severe RA is shortened by 10-15 years. This increased mortality rate usually is attributed to Pulmonary and renal disease Infection Gastrointestinal bleeding Accompanying Complications Skin ulcers Muscle atrophy Pericarditis TMJ involvement Anemia Pulmonary interstitial fibrosis Neutropenia Keratoconjunctivitis sicca (Sjögren’s syndrome) Digital gangrene Amyloidosis Thrombocytopenia Splenomegaly (Felty’s syndrome) Signs and Symptoms The usual onset of rheumatoid arthritis is gradual and subtle. A patient will first experience fatigue and weakness with joint muscle aches. Then there is painful joint swelling of the hands and feet, spreading to several joints, and then progress to other joints symmetrically. Joint involvement gradually progresses to immobility, contractures, subluxation, deviation, and other deformities. Joints Most Commonly Affected Fingers Wrists Ankles TMJ (often involved in up to 75% of patients) Knees Elbows Feet Medical Management Medical Management Early diagnosis and treatment for rheumatoid arthritis is vital. It can noticeably decrease the disability and pain and very likely lengthen the life span. Treatment approach is palliative (alleviating illness) because there is no cure that exists for this disease. Medical Management Treatment Goals: Reduce joint inflammation and swelling Relieve pain and stiffness Help and promote normal function Goals are accomplished by: Patient education Rest Exercise Physical therapy NSAIDs Medical Management Drugs for the management of RA have been divided into two groups: 1. Control joint pain and swelling. (i.e. NSAIDs) 2. Limit joint damage and improve longterm outcome. (i.e. DMARDs – diseasemodifying antirheumatic dugs) NSAIDs = Drugs That Control Joint Pain and Swelling Effective for pain, swelling, and stiffness Most effective and safest for patients Start patient on three-grain tablets 4X a day, then adjust according to patient’s response Too much aspirin can result in aspirin toxicity. Common sign = tinnitus (ringing, buzzing, or hissing heard in the ear) If this occurs, decrease the dosage. May result in prolonged bleeding Gold Compounds Helpful in decreasing inflammation and slowing down the progress of the disease Gold compound therapy must be carefully supervised. Incidence of side effects is high. This includes: Buccal ulcerations Eczematous rashes Neutropenia Thrombocytopenia Other Drugs Antimalarial Drugs Corticosteroids Chloroquine or hydroxychloroquine These drugs are used in combination with aspirin or corticosteroids. Side effects include eye damage and blue-black intraoral pigmentation. Prednisone or prednisolone Most effective for reducing inflammation Manages acute symptoms Significant adverse effect is adrenal suppression; therefore, long-term usage is avoided. Immunosuppressive Therapy Effective in treating severe RA Slows down the progression of the disease and decreases the damage to bones adjacent to joints Drugs include methotrexate, azathioprine, cyclosporine, and tumor necrosis factor (TNF) inhibitors Side effects include liver disease, lung inflammation, oral ulcerations, and increased susceptibility to infection Combination Therapy For patients with moderate to severe disease Methotrexate used in combination with other agents Most popular regimen is methotrexate, hydroxychloroquine, and sulfasalazine. More effective than single-drug regimens Does not appear to be hazardous and should be considered as initial treatment in patients with early, active RA Surgery Used to relieve severe pain and improve function of severely deformed joints that do not respond to medication and physical therapy Variety of surgical procedures include: Arthroscopy Synovectomy Arthroplasty Total joint replacement Dental Management Considerations Prior to Dental Treatment Patient comfort Drug considerations Joint prosthesis TMJ involvement Oral hygiene capability Patient Comfort Appointments should be kept short. Encourage patient to change seating positions frequently. Be creative, and use pillows or rolled towels to support deformed or crippled limbs. Drug Considerations Patient may be taking : Aspirin NSAIDS Corticosteroids DMARDS Immunosuppressive agents Aspirin Drug Considerations Aspirin with NSAIDs Analgesic Can cause prolonged bleeding Usually not clinically significant (does not put disease in remission) Aspirin with corticosteriods High risk for prolonged bleeding Need to determine bleeding time Most accurate test is the PFA-100 (platelet function analyzer) Bleeding time should be under 20 minutes. Other Drug Considerations DMARDs e.g. gold compound, penicillamine, sulfasalazine Cause suppression of the bone marrow anemia, agranulocytosis, and thrombocytopenia Need recent lab tests such as RBC count, WBC count, and bleeding time Corticosteroids Used for control of active disease, should be used for a short period of time If used for a long period of time hyperglycemia, edema, osteonecrosis, immune suppression, and infection Joint Prosthesis In some patients, the arthritis is chronic and causes destruction of a joint structure to the point where the patient needs a prosthetic joint (usually the hip knee or shoulder). TMJ Involvement 45-75% of patients with rheumatoid arthritis have TMJ involvement Patient will have decreased jaw function, mobility, and maximum opening; increased tenderness, swelling, and stiffness These factors hinder the patient’s diet nutrition counseling Loss of condylar height can create an open bite and also causes sleep apnea. Moist warm towels can relieve pain. Oral Hygiene Capability Patient has less dexterity due to pain in the joints Alter OHI to customize the patient’s specific needs. Power toothbrushes, floss aids, irrigators, even modifying the tooth brush handle Be empathetic and patient. Some Toothbrush Modifications A lack of strength because of arthritis can make even holding the handle of a toothbrush difficult. A solution to this problem could be to stick the toothbrush handle into a tennis ball or slide it in a bicycle handlebar grip. Quiz 1. What is rheumatoid arthritis? A. an immune deficiency disease of unknown origin that is characterized by symmetric inflammation of the joints B. an autoimmune disease of unknown origin that is characterized by symmetric inflammation of the joints C. an immune deficiency disease of unknown origin that is characterized by asymmetric inflammation of the joints D. an autoimmune disease of unknown origin that is characterized by asymmetric inflammation of the joints 2. Disease onset usually occurs from ages 25-55 years. Rheumatoid arthritis is more prevalent in women than men by a 2:1 ratio. A. Both statements are TRUE. B. Both statements are FALSE. C. The first statement is TRUE, and the second statement is FALSE. D. The first statement is FALSE, and the second statement is TRUE. 3. Rheumatoid arthritis A. has an unknown cause. B. is caused by infectious agents. C. is caused by genetics and autoimmunity. D. is caused by food. More Quiz Questions 4. List 3 characteristics of RA. 5. Name 3 joints that may be affected by RA. 6. What are some dental modifications that can be made for a patient with RA? 7. What is the major side effect of a corticosteroid after a long period of use? 8. What does DMARD stand for? 9. Aspirin is the most effective and safest drug for patients. Aspirin can be prescribed in large doses but can cause toxicity. A. Both statements are TRUE. B. Both statements are FALSE. C. The first statement is TRUE, and the second statement is FALSE. D. The first statement is FALSE, and the second statement is TRUE. 10. Treatment goals for RA: A. reduce joint inflammation and swelling B. relieve pain and stiffness C. encourage normal function D. all of the above E. none of the above Answers 1. B. an autoimmune disease of unknown origin that is characterized by symmetric inflammation of the joints 2. B. Both statements are FALSE. (35-50 years of age, 3:1 women: men) 3. A. has an unknown cause. RA Answers 4. symmetrical, gradual and subtle onset, fatigue and weakness with joint muscle aches, immobility, morning stiffness 5. fingers, wrists, feet, ankles, knees, elbows, TMJ More Answers 6. modification of OHI, use towels or pillows and/or bite blocks to achieve comfort, have short appointments 7. immune suppression 8. drug modifying anti-rheumatic drug Even More Answers 9. A. Both statements are TRUE. 10. D. all of the above Bonus Questions 1. Spell what RA stands for. 2. What percentage of patients have a gradual onset of the disease? 3. Out of more than 60 important diseases related to arthritis, name 3. Answers to Bonus Questions 1. R-h-e-u-m-a-t-o-i-d a-r-t-h-r-i-t-i-s 2. More than 50% 3. Osteoarthritis, SLE, Lyme disease, Sjögren’s syndrome Questions?