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What acupuncture can and cannot do about arthritis PowerPoint Presentation

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  • Slide 1 - What acupuncture can and cannot do for arthritis? June 25, 2009 Wei Huang MD, PhD Birmingham/Atlanta GRECC Atlanta VAMC Emory University
  • Slide 2 - Purpose Provider education on the use of acupuncture as a complementary alternative therapy in arthritic conditions.
  • Slide 3 - Review the effects of acupuncture in treating osteoarthritis (degenerative), rheumatoid arthritis (inflammatory), and gout (metabolic); Determine when and how to refer a patient with arthritis for acupuncture.
  • Slide 4 - Osteoarthritis
  • Slide 5 - Osteoarthritis Over 20 million people in the United States live with osteoarthritis Radiographically, 30% individuals of age 45-65, and more than 80% over age 70 are affected Second most common cause of permanent incapacity among people over age 50 Most common: knees, followed by hips, spine, feet, hands Knee OA is one of the five leading causes of physical disability in the non-institutionalized elderly Pain usually is the initial and principal source of morbidity
  • Slide 6 - Current Treatments Weight loss, activity modification, topical heat/cold, topical analgesic cream, shoe modification/insert, coping Physical therapy, proper brace use, TENS Over the counter medications, dietary supp CSI, hyagan, Prescription pain meds Surgery
  • Slide 7 - Why consider acupuncture? Medication side effects Polypharmacy in the elderly Inconclusive effects of a lot of modalities Patients not accepting invasive procedures Potential benefits of acupuncture over other modalities Minimal and no long term adverse reactions Not invasive procedure to perform in the office Less costly than surgery
  • Slide 8 - Any research evidence for the effects of acupuncture in osteoarthritis?
  • Slide 9 - Acupuncture for knee and hip OA Witt et al. (2006-2008) Recruitment from July 2001 to July 2004 Age > 40yo (average [SD] 61.8 [10.0]); radiographic evidence of osteophyte; disease duration > 6m; at least 15 days with pain in the past 30 days 3 groups: non-randomized (n=2726); randomized to immediate acupuncture (n=322); randomized to delayed acupuncture (n=310) Knee OA 57.1%; hip OA 14.5%; both 28.4%
  • Slide 10 - Witt et al. (cont.) Intervention: Individualized acupuncture up to 15 sessions in 3 months (average 10.7+3.9x, 76.6% 5-10 sessions) Needle acupuncture only Manual manipulation only All three groups continue to receive any additional conventional treatments 1417 study physicians in Germany Outcome measures: WOMAC indexes of pain, stiffness and function SF-36 total score and physical/mental subscales Baseline, after 3 months, after 6 months
  • Slide 11 - Witt et al. (cont.) - Results At 3 month, there were significant improvements in WOMAC pain, stiffness, function, and SF-36 physical component scores in patients with knee and/or hip OA who were randomized to receive immediate acupuncture, as compared to controls who were randomized to have delayed treatments. Only SF-36 mental component score did not differ significantly b/w groups. There were no significant differences in all scores between patients who received acupuncture treatments, randomized or non-randomized
  • Slide 12 - Witt et al. (cont.) - Results At 6 month, there were no significant differences b/w all groups No difference in delayed treatments Treatment effects lasted for at least 3 months post-intervention
  • Slide 13 - Witt et al. (cont.) - Results Other interesting findings: Subgroup analysis showed significantly more pronounced improvements in patients of: younger age, higher baseline physical or mental quality of life, and higher baseline WOMAC indexes Physician participants: 1% of primary care physicians in Germany, at least 140 hours of certified acupuncture education; years of clinical experience varied; treatment regimen varied – reflected well of real world general practice --- no significant influence on the outcome measured in this study
  • Slide 14 - Witt et al. (cont.) - Cost analyses 489 subjects completed cost-effectiveness analysis (acupuncture n=246; control n=243) Mean overall costs incurred by acupuncture patients during the treatment period were €1,204.15 with additional costs of acupuncture (€35/session), as compared to €734.66 in control patients However, QALYs (quality adjusted life year) was gained in acupuncture group Acupuncture for knee osteoarthritis in females was more cost-effective than males; No gender difference in hip osteoarthritis
  • Slide 15 - Limitation of the study Neither physicians nor patients were blinded No sham treatment control Heterogeneous patient sample: age, area of involvement
  • Slide 16 - SCEGM/Hartford Pilot Study (preliminary) - Huang, Bliwise, Carvenale, Kutner Supported by SCEGM/Hartford Foundation and Birmingham/Atlanta GRECC Acupuncture for knee OA in elderly Standardized treatment protocol Sham control, double blinded Treatment of pain, sleep or both
  • Slide 17 - Huang et. al. (cont.) – baseline demographics N=24 Average age 72 yo Average duration of knee pain 10.8 yrs Average PSQI score 10.5 4 randomized groups: true sleep sham pain, sham pain true sleep, true pain true sleep, sham pain sham sleep
  • Slide 18 - Huang et al. (cont.) - Results Subjects who received true acupuncture for knee pain and/or for poor sleep, compared to subjects who received only sham treatments, had more improvement in pain ratings (P=0.03) and PSQI scores (P=0.04). True versus sham acupuncture for knee pain was associated with improved SF-36 ratings of general health (P=0.03) and vitality (P = 0.04). True versus sham acupuncture for poor sleep was associated with improved SF-36 ratings of social functioning (P=0.03).
  • Slide 19 - Acupuncture for severe knee OA - Tillu et al. 2002 60 patients on waiting list for total knee replacement surgery Allocation into acupuncture group and control group with matched age and gender Standardized acupuncture regimen weekly for 6 wks Outcome measures: Hospital for Special Surgery scores (pain, function, muscle strength, joint ROM, flexion deformity, knee instability) 50 meter walk 20 steps climbing Pain score (VAS)
  • Slide 20 - Tillu et al. (cont.) - Results Acupuncture group significantly improved in all outcomes; control group significantly worsened in all outcomes after 2 months 3 subjects in acupuncture group (10%) requested suspension of surgery due to the improvements of their symptoms Limitation of the study: non-randomized, not blinded
  • Slide 21 - Acupuncture for OA (Summary) For knee OA, strong research evidence supports the use of acupuncture for symptom relief and quality of life improvement, including in elderly patients and in those with severe joint pathology; For hip OA, acupuncture can be recommended for a trial of pain relief; For other OA, the evidence is not clear yet.
  • Slide 22 - Other types of arthritis
  • Slide 23 - Rheumatoid Arthritis In addition to arthritic pain as in osteoarthritis, rheumatoid arthritis also presents with: Increased morning stiffness (>1hr) Multiple joints involvement including small joints: pain, swelling Increased ESR, CRP
  • Slide 24 - Acupuncture for RA Moxibustion in combination with needles Bee needle and bee venom therapy Acupoint injections Fire needle
  • Slide 25 - Review by Wang et. al. (2008 Arthritis and Rheumatism) Search in 12 databases from 1806 to March 2008 Both Chinese and English literature Selection criteria: randomized controlled trials, ACR dx criteria, clear outcome measures 8 studies (536 subjects) included from 4 countries (Canada, UK, Brazil, China) 1974-2007
  • Slide 26 - Review on acupuncture for RA (cont.) 4 against sham control: placebo needles (3), superficial acupuncture 4 against active control: MTX IM injection, indomethacin (2), diclofenac ointment All with pain assessments, 6 also with ESR and CRP – 3 sham and 3 active control Mean study duration: 11+ 6 wks (range 4-22wks) Mean number of acupuncture sessions: 42 + 62 (range 1-180)
  • Slide 27 - Review on acupuncture for RA (Cont.) 6 studies (4 active control, 2 sham control) showed significant reduction of pain compared to controls (decrease of tender joint count by 1.5 to 6.5) 4 studies (3 active control, 1 sham control) showed significant reduction of morning stiffness (-29 minutes); however, no significant difference from controls 5 studies (3 active control, 2 sham control) showed significant reduction in ESR (-3.0mm/hr); 3 studies (2 active control, 1 sham control) showed significant reduction in CRP (-2.9mg/dl); 1 study (active control) showed significant reduction in both ESR and CRP Swollen joint counts – no difference between intervention and control groups
  • Slide 28 - Acupuncture for RA (summary) Limited studies suggest the use of acupuncture for improving RA symptoms and possible some inflammatory indexes. Results are not conclusive.
  • Slide 29 - Gouty Arthritis Metabolic Uric acid crystal deposition in the joint(s) Inflammation: redness, swelling, sharp pain
  • Slide 30 - Acupuncture for gouty arthritis Ma 2004 N=72 (42 experimental; 30 control) Randomized (how?), no blinding Exp: Acupuncture daily x 10 (one course) – total#? Control: allopurinol 100mg bid-tid; Ibuprofen 200mg tid if painful arthritis Outcome measures: clinical improvements of symptoms and signs (detail?); serum uric acid, creatinine, BUN; 24hr urinary protein content Time points: baseline, one month after treatments
  • Slide 31 - Ma (cont.) Results: Excellent response (disappearance of symptoms and signs, with all lab tests normalized): 45.2% vs. 20%; Effective response (improvement of symptoms and signs and lab tests): 50% vs. 43.3%; Failed response (no obvious improvement of symptoms and signs with no obvious change in lab tests): 4.8% vs. 36.7% Total effective rate: 95.2% vs. 63.3%
  • Slide 32 - Ma (cont.) Results (cont.) In the acupuncture group, all lab tests were improved (p<0.01); while In the control group, only serum uric acid level was improved (p<0.05) without changes in BUN, creatinine or urine protein.
  • Slide 33 - Acupuncture for Gout (Summary) Limited clinical trials suggest beneficial use of acupuncture in patients with gouty arthritis and abnormal renal functions.
  • Slide 34 - Summary (I) Acupuncture Effects in Arthritis Proven pain control Probable cost effective for improving QoL Possible improvements in other related symptoms, laboratory inflammatory indicators Proven in knee osteoarthritis, esp. cost effective in female patients Probable in hip osteoarthritis Possible in other areas/types of arthritis
  • Slide 35 - What acupuncture has not be proven to do … To reverse structural damages To slow down disease progression To reduce healthcare cost
  • Slide 36 - When and how to refer patients for acupuncture treatments?
  • Slide 37 - Summary (II) Treatment Recommendation (When…) Weight loss, activity modification, topical heat/cold, topical analgesic cream, shoe modification/insert, coping Physical therapy, proper brace use, TENS Over the counter medications CSI, hyagan, Prescription pain meds Surgery Acupuncture,
  • Slide 38 - How … Know the resources at your facility/area Know the credentialing process at your state Build a referral network
  • Slide 39 - Something your patients may ask you about … Side effects profile for acupuncture Relative contraindications
  • Slide 40 - Common adverse reactions Usually minor: Local bleeding, bruise, achiness/pain About 3% with strong reactions to needling: vagovagal reaction, increased pain for 24-48hours
  • Slide 41 - Rare complications Pneumothorax Nerve injury Blood vessel penetration KNOW THE ANATOMY!!!
  • Slide 42 - Relative contraindications Skin infection (not in the same area where needle will be inserted) Bleeding disorder/on Coumadin with high INR Valvular heart disease (no semipermanent needles) Pacemaker, cardiac arrhythmia, epilepsy (no electroacupuncture) SCI with injury level higher than T6 (risk for autonomic dysreflexia) Pregnancy (not in certain spots) On moderate to large amount of opioids
  • Slide 43 - Contact Information For information about this specific presentation please contact Wei Huang, MD, PhD at whuang4@emory.edu For any questions about the monthly GRECC Audio Conference Series please contact Tim Foley at tim.foley@va.gov or call (734) 222-4328 To evaluate this conference for CE credit please obtain a ‘Satellite Registration’ form and a ‘Faculty Evaluation’ form from the Satellite Coordinator at you facility. The forms must be mailed to EES within 2 weeks of the broadcast.
  • Slide 44 - Thank You! Q&A
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