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Rheumatoid Arthritis PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Rheumatoid Arthritis”.

This medical PowerPoint presentation is about rheumatoid arthritis (RA), a chronic autoimmune disease that affects the joints in the body. It is characterized by inflammation of the synovial membrane, which lines the joints and causes pain, stiffness, and swelling. Over time, the inflammation can damage the joint and surrounding tissues, leading to deformity and loss of function.

RA can affect people of all ages, but it typically begins between the ages of 30 and 50. Women are more likely to develop RA than men. The cause of RA is not fully understood, but it is believed to be a combination of genetic, environmental, and hormonal factors.

Symptoms of RA include joint pain, stiffness, and swelling, particularly in the hands, wrists, and feet. Other symptoms may include fatigue, fever, weight loss, and a general feeling of being unwell. The symptoms of RA can vary in severity and may come and go over time.

Treatment for RA aims to manage symptoms, prevent joint damage, and improve quality of life. This may include medications such as nonsteroidal anti-inflammatory drugs (NSAIDs), disease-modifying antirheumatic drugs (DMARDs), and biologic agents. Physical therapy, exercise, and lifestyle modifications such as stress reduction and a healthy diet may also be recommended. In severe cases, surgery may be necessary to repair or replace damaged joints.

Tags : Rheumatoid Arthritis, chronic autoimmune disease, joints in the body, inflammation of the synovial membrane, Orthopaedic Surgery, Orthopaedic Surgery PowerPoint presentation

Published on : Jun 23, 2023 | Views : 1395 | Downloads : 8

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Slide 1-

Rheumatoid Arthritis
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Arthritis “arthro” = joint “itis” = inflammation “Arthritis can affect babies and children, as well as people in the prime of their lives” Rheumatoid arthritis is an autoimmune disease in which the normal immune response is directed against an individual's own tissue, including the joints, tendons, and bones, resulting in inflammation and destruction of these tissues. Commonest inflammatory joint disease seen in clinical practice affecting approx 1% of population. Characterized by persistent inflammatory synovitis leading to cartilage damage, bone erosions, joint deformity and disability.
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Anatomy of the Joint Articular/hyaline cartilage -acts as a shock absorber - allows for friction-free movement - not innervated! Synovial membrane/synovium -secretes synovial fluid -nourishes cartilage -cushions the bones
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Overview Age: Any age, commonly 3rd to 6th decade Female: male 3:1 pattern of joint involvement could be:- Polyarticular : most common Oligoarticular Monoarticular Morning joint stiffness > 1 hour and easing with physical activity is characteristic. Small joints of hand and feet are typically involved.
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Clinical Manifestations Articular Extra-articular
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Articular manifestation Pain and swelling in affected joint aggravated by movement is the most common symptom. Morning stiffness ≥1 hr Joints involved -
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Relative incidence of joint involvement in RA MCP and PIP joints of hands & MTP of feet 90% Knees, ankles & wrists- 80% Shoulders- 60% Elbows- 50% TM, Acromio - clavicular & SC joints- 30%
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Joints involved in RA Don’t forget the cervical spine!! Instability at cervical spine can lead to impingement of the spinal cord. Thoracolumbar, sacroiliac, and distal interphalangeal joints (DIP)of the hand are NOT involved.
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PIP Swelling
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Ulnar Deviation, MCP Swelling, Left Wrist Swelling
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Extra-articular manifestations Present in 30-40% May occur prior to arthritis Patients that are more likely to get are: High titres of RF/ anti-CCP HLA DR4+ Male Early onset disability History of smoking
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Constitutional symptoms ( most common) Rheumatoid nodules(30%) Hematological- normocytic normochromic anemia leucocytosis /leucopenia thrombocytosis Felty’s syndrome- Chronic nodular Rheumatoid Arthritis Spleenomegaly Neutropenia Extraarticular Involvement
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Respiratory- pleural effusion, pneumonitis , pleuro-pulmonary nodules, ILD CVS-asymptomatic pericarditis , pericardial effusion, cardiomyopathy Rheumatoid vasculitis- mononeuritis multiplex, cutaneous ulceration, digital gangrene, visceral infarction CNS- peripheral neuropathy, cord-compression from atlantoaxial/midcervical spine subluxation, entrapment neuropathies EYE- kerato-conjunctivitis sicca, episcleritis, scleritis
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Rheumatoid nodule These are small subcutaneous nodules present at the extensor surfaces of hand, wrist, elbow and back in rheumatoid arthritis patients. Characteristics feature of rheumatoid arthritis A marker of disease activity Can be present even if other features of rheumatoid Arthritis are absent
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Laboratory investigations in RA CBC- TLC, DLC, Hb, ESR & GBP Acute phase reactants Rheumatoid Factor (RF) Anti- CCP antibodies
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Rheumatoid Factor (RF) Antibodies that recognize Fc portion of IgG Can be IgM , IgG , IgA 85% of patients with RA over the first 2 years become RF+ A negative RF may be repeated 4-6 monthly for the first two year of disease, since some patients may take 18-24 months to become seropositive. PROGNISTIC VALUE- Patients with high titres of RF, in general, tend to have POOR PROGNOSIS, MORE EXTRA ARTICULAR MANIFESTATION.
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Causes of positive test for RF Rheumatoid arthritis Sjogrens syndrome Vasculitis such as polyarteritis nodosa Sarcoidosis Systemic lupus erythematosus Cryoglobulinemia Chronic liver disease Infections- tuberculosis , bacterial endocarditis, infectious mononucleosis, leprosy, syphilis, leishmaniasis. Malignancies Old age(5% women aged above 60)
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Anti-CCP IgG against synovial membrane peptides damaged via inflammation Sensitivity (65%) & Specificity (95%) Both diagnostic & prognostic value Predictive of Erosive Disease Disease severity Radiologic progression Poor functional outcomes
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Acute Phase Reactants
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Other Lab Abnormalities Elevated APRs( ESR, CRP ) Thrombocytosis Leukocytosis ANA 30-40% Inflammatory synovial fluid Hypoalbuminemia
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Radiographic Features Peri-articular osteopenia Uniform symmetric joint space narrowing Marginal subchondral erosions Joint Subluxations Joint destruction Collapse Ultrasound detects early soft tissue lesions. MRI has greatest sensitivity to detect synovitis and marrow changes.
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Diagnostic Criterias
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ACR Diagnostic Criteria (1987) Description Morning stiffness Arthritis of 3 or more joints Arthritis of hand joints Symmetric arthritis Rheumatoid nodules Serum rheumatoid factor Radiographic changes A person shall be said to have rheumatoid arthritis if he or she has satisfied 4 of 7 criteria, with criteria 1-4 present for at least 6 weeks.
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2010 ACR/EULAR Classification Criteria a score of ≥6/10 is needed for classification of a patient as having definite RA A. Joint involvement SCORE 1 large joint 0 2−10 large joints 1 1−3 small joints (with or without involvement of large joints) 2 4−10 small joints (with or without involvement of large joints) 3 >10 joints (at least 1 small joint)†† 5 B. Serology (at least 1 test result is needed for classification) Negative RF and negative ACPA 0 Low-positive RF or low-positive ACPA 2 High-positive RF or high-positive ACP 3 C. Acute-phase reactants (at least 1 test result is needed for classification) Normal CRP and normal ESR 0 Abnormal CRP or normal ESR 1 D. Duration of symptoms <6 weeks 0 ≥6 weeks 1
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Management
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Goals of management Focused on relieving pain Preventing damage/disability Patient education about the disease Physical Therapy for stretching and range of motion exercises Occupational Therapy for splints and adaptive devices Treatment should be started early and should be individualised . EARLY AGGRESSIVE TREATEMNT
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Treatment modalities for RA NSAIDS Steroids DMARDs Immunosuppressive therapy Biological therapies Surgery
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NSAIDS Non-Steroidal anti-inflammatories (NSAIDS) / Coxibs for symptom control Reduce pain and swelling by inhibiting COX Do not alter course of the disease. Chronic use should be minimised. Most common side effect related to GI tract.
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Corticosteroids in RA Corticosteroids , both systemic and intra-articular are important adjuncts in management of RA. Indications for systemic steroids are:- For treatment of rheumatoid flares. For extra-articular RA like rheumatoid vasculitis and interstitial lung disease. As bridge therapy for 6-8 weeks before the action of DMARDs begin. Maintainence dose of 10mg or less of predinisolone daily in patients with active RA. Sometimes in pregnancy when other DMARDs cannot be used.
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Disease Modifying Anti-rheumatic Agents Drugs that actually alter the disease course . Should be used as soon as diagnosis is made. Appearance of benefit delayed for weeks to months. NSAIDS must be continued with them until true remission is achieved . Induction of true remission is unusual .
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DMARDs
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Clinical information about DMARDs
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Clinical information about DMARDs contnd.. zine
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When to start DMARDs? DMARDs are indicated in all patients with RA who continue to have active disease even after 3 months of NSAIDS use. The period of 3 months is arbitary & has been chosen since a small percentage of patients may go in spontaneous remission. The vast majority , however , need DMARDs and many rheumatologists start DMARDs from Day 1.
Slide 40-

How to select DMARDs? There are no strict guidelines about which DMARDs to start first in an individual. Methotrexate has rapid onset of action than other DMARD. Taking in account patient tolerance, cost considerations and ease of once weekly oral administration METHOTREXATE is the DMARD of choice, most widely prescribed in the world.
Slide 41-

Should DMARDs be used singly or in combination? Since single DMARD therapy (in conjunction with NSAIDS) is often only modestly effective , combination therapy has an inherent appeal. DMARD combination is specially effective if they include methotrexate as an anchor drug. Combination of methotrexate with leflunamide are synergestic since there mode of action is different.
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Limitations of conventional DMARDs The onset of action takes several months. The remission induced in many cases is partial. There may be substantial toxicity which requires careful monitoring. DMARDs have a tendency to lose effectiveness with time-(slip out). These drawbacks have made researchers look for alternative treatment strategies for RA- The Biologic Response Modifiers.
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Immunosuppresive therapy . .
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BIOLOGICS IN RA Cytokines such as TNF-α ,IL-1,IL-10 etc. are key mediators of immune function in RA and have been major targets of therapeutic manipulations in RA. Of the various cytokines,TNF-α has attaracted maximum attention. Various biologicals approved in RA are:- Anti TNF agents : Infliximab Etanercept Adalimumab IL-1 receptor antagonist : Anakinra IL-6 receptor antagonist : Tocilizumab Anti CD20 antibody : Rituximab T cell costimulatory inhibitor : Abatacept
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. 25 mg s/c twice a wk May be given with MTX or as monotherapy. Injection site reaction,URTI , reactivation of TB,development of ANA,exacerbation of demyelenating disease.
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Agent Usual dose/route Side effects . Anakinra 100 mg s/c once daily May be given with MTX or as monotherapy. Injection site pain,infections, neutropenia Active infections Contraindications (Anti-IL-1)
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2012 ACR Update
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How to monitor Tt in RA? Disease activity is assesed by several parameters… Duration of morning stiffness Tender joints count Swollen joints count Observer global assessment Patient global assessment Visual analogue scale for pain Health assessment questionnaire ESR NSAID pill count etc… Patient on MTX, SSZ or leflunamide show clinical improvement in 6-8 wks. Patient should be observed for 6 months before declaring a DMARD ineffective.
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How long should Tt. be continued? Once remission is achieved , maintenance dose for long period is recommended. Relapse occurs in 3-5 months (1-2 months in case of MTX) if drug is discontinued in most instances. DMARDs are discontinued by patients because of toxicity or secondary failure(common after 1-2 yrs) and such patients might have to shift over different DMARDs over 5-10 yrs. Disease flare may require escalation of DMARD dose with short course of steroids.
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Surgical Approaches Synovectomy is ordinarily not recommended for patients with rheumatoid arthritis, primarily because relief is only transient. However, an exception is synovectomy of the wrist, which is recommended if intense synovitis is persistent despite medical treatment over 6 to 12 months. Persistent synovitis involving the dorsal compartments of the wrist can lead to extensor tendon sheath rupture resulting in severe disability of hand function. Total joint arthroplasties , particularly of the knee, hip, wrist, and elbow, are highly successful. Other operations include release of nerve entrapments (e.g., carpal tunnel syndrome), arthroscopic procedures, and, occasionally, removal of a symptomatic rheumatoid nodule.
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Thank you.