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Integrative Approach to Low Back Pain

Integrative Approach to Low Back Pain. Wendy Kohatsu, MD Director, Integrative Medicine Fellowship Santa Rosa Family Medicine Residency Program Sept 2011. Review key history elements Learn how to do better hands-on back exam Focus on practical & effective lifestyle therapies.

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Integrative Approach to Low Back Pain

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  1. Integrative Approach to Low Back Pain Wendy Kohatsu, MD Director, Integrative Medicine Fellowship Santa Rosa Family Medicine Residency Program Sept 2011

  2. Review key history elements Learn how to do better hands-on back exam Focus on practical & effective lifestyle therapies Not ‘overmedicalize” LBP via diagnostic tests, drug therapies, surgical interventions. Later: myriad of mind-body therapies Talk about something other than food for a change…. Goals of this talk:

  3. Low back pain • 70-84% of the population affected at some point in their lives • 14-50% of adults have LBP each year • Cost of > $100 billion/ year • Quality of life impact of acute LBP • 60% unable to perform some daily activity • 72% gave up exercising • 46% gave up sex Spine 12:264,1987 Amer Acad Ortho Surg, 2006 Ann Rheum Dis 57:13, 1998

  4. Posture

  5. Patient case #1: 52 yo female, cc: “sciatica” bilateral numbness hip to knees, since 1999. h/o prior LBP. • 30 years ago fell down flight of stairs at Fisherman’s wharf, landing on tailbone. • Currently works part-time at family business. • On 800 mg ibuprofen. Took friend’s percocet. Flexeril does “nothing”.

  6. Patient case #2 • 86 yo Vietnamese male, DM2, reluctant to see MD. • Ambulates with 4-prong cane • c/o LBP, radiating to back of legs, doesn’t like to take medicine, uses analgesic balm • ROS: urinary retention, feels more tired, recent weight loss.

  7. History-taking

  8. History-taking • Onset/first episode? • Occupational risk • Co-morbidities • Activity & exercise level • Psychosocial stress/ diagnoses • Other?

  9. 3 main questions for LBP: • Is systemic disease causing the pain? • Is there social or psychological distress that may amplify or prolong the pain? • Is there neurologic compromise that may require surgical evaluation? Deyo & Weinstein NEJM 344:363, 2001

  10. “Red flags” ACR Criteria - Low Back Pain, 2005

  11. “Red flags” • Hx of trauma • Focal neurologic signs - incontinence, weakness, numbness • Hx of cancer • Age of first onset after 50 years • Hx of IVDA • Osteoporosis • Signs of systemic disease - fever, wt loss, lymphadenopathy ACR Criteria - Low Back Pain, 2005

  12. Perspective • Among all primary care patients with LBP, < 5% will have serious systemic pathology. • 97% will have LBP w/o radiculopathy • 60% Simple back pain • 37% Complex back pain w/o radiculopathy • 3% will have LBP with radiculopathy • Sx of radiculopathy • 1% with acute neuro sx – loss of bladder fxn, saddle anesthesia, motor weakness N Engl J Med. 2001;344(5):363 Up To Date –June 2011

  13. To image or not to image… • MRI evaluation to provide reassurance for chronic LBP does NOT lead to better prognosis. • Psychosocial variables are stronger predictors of long-term disability than anatomic findings found on imaging studies. • Radicular sx > 4-6 weeks, severe enough to consider surgery. Ann Intern Med. 2007;147(7):478. JAMA. 2010;303(13):1295.

  14. So, let’s examine our patients…

  15. 2 1/2 -minute focused neuro exam Biewen PC Postgrad Med 106:102, 1999

  16. EXAM! - Anatomy Review(what med school never taught you…)* • *Except Natasha, Trang, Sarah W & Hana C. • OMT basic evaluation • 3 layer muscle palpation • Skeletal survey -- L-spine, pelvic girdle, lower extremities (joint above/below) • Common culprits: Erector spinae spasm, Lumbar rotation, SI joint dysfxn, psoas, piriformis spasm, muscle imbalance, myofascial syndrome!

  17. OMT Common Culprits: • Erector spinae spasm • Lumbar rotation • SI joint dysfxn • Psoas • Piriformis spasm • Muscle imbalance • Myofascial syndrome!

  18. Psoas located deep in abdomen, but major hip flexor. • Radiates to: • Lumbar region • Front of hip

  19. The “Dirty Half-Dozen” of Refractory LBP n = 183 ‘untreatable’ pts with refractory LBP 75% restored to normal activity after OMT* Phys Med Rehab Clin NA 7:773, 1996

  20. Patient #1 - Exam • 52 yo woman with sciatica • Exam: Wt 151, BMI 25.5, anxious • Neuro: 4+/5 left hip flexion, knee extension. Preserved gait and balance walking in hallway. • MSK: level iliac crest heights, ++ 4 cm left posterior hip rotation, ++ right sacral torsion, L > R SI join tenderness, LEFT glut max,min + piriformis spasm. • Imaging:NONE.

  21. Patient # 2 - Exam 86 yo Vietnamese male with LBP • Very stoic, pleasant, NAD • Wt 111 (down from 129 lbs 4 mos prior) • Thin frame, + increased thoracic kyphosis, tight lumbar paraspinal muscles. • Rectal: Enlarged prostate.

  22. Posture

  23. What next?

  24. Principle Based Treatment Pyramid resources environment relationship

  25. Principle Based Treatment Pyramid resources environment relationship

  26. Treatment Options • “Internal Environment” • Lifestyle • CAM therapies • Drugs

  27. Treatment Options • “Internal Environment” • Pain is a signal for change • John Sarno, MD ~ (TMS)Tension Myositis Syndrome • Lifestyle • CAM therapies • Drugs

  28. Treatment Options • “Internal Environment” • Lifestyle • CAM therapies • Drugs • NSAIDs • Analgesics • Muscle relaxants

  29. NSAIDs • For acute LBP • Ibuprofen 400-600 mg up to qid • Naproxen 220 -500 mg bid • Side effect and risks limit use Cochrane Database NSAIDS for LBP, 2008 ACP and Amer Pain Soc Guidelines 2007

  30. Analgesics • Acetaminophen • Up to 2.6 grams/d as first line therapy • Side efx - hepatoxicity • Opioids • Surprisingly little data • One meta-analysis = not significantly reduce chronic low back pain • Inadequate data re: functional improvement correlating to pain relief • Reports of opioid abuse ~ 30-45% in LBP CMAJ 174:1589, 2006 Ann Intern Med 146:166, 2007 Cochrane Database Syst Rev -Opioids for Chronic LBP, 2008 FDA guidelines June 2009

  31. Muscle relaxants • “Insufficient evidence” for chronic use • CNS side effects - sedation • Carisoprodol metabolized --> meprobamate, abuse and addiction potential • Limit to short-term use only in conjunction with analgesics vanTulder et al. Spine 28:1978; 2003

  32. Drug-Nutrient Interactions • NSAIDS deplete… • Folic Acid • Synthesis of folic acid is competitively inhibited by NSAIDs • Rx: eat your leafy greens! (“foliage”)

  33. Treatment Options • “Internal Environment” • Lifestyle • CAM therapies • Acupuncture • Massage • Chiropractic or osteopathic manipulation • Drugs

  34. Acupuncture for LBP • Like massage, data show acupuncture is moderately more effective than no treatment • Short-term outcomes > long-term • More likely to benefit those who expect more out of acupuncture. Cochrane Database Syst Rev - Acu for LBP, 2005 Spine 26:1418, 2001

  35. Massage • Appears to be better for acute vs chronic back pain • Studies inconclusive due to varying styles, practitioner skill, duration of treatment

  36. Manipulation • “Moderately superior” to sham Rx, null therapies • But equal to analgesics, exercises, back school • Mixed bag of techniques studied --Most studies on HVLA techniques used in chiropratic Rx Ann Intern Med (meta-analysis)138:871 2003 Ann Intern Med 138:989, 2003

  37. Treatment Options • “Internal Environment” • Lifestyle • Exercise • Stretching, strengthening, yoga • Stress management • CAM therapies • Drugs

  38. Low Back Pain - Exercise Rx • 2005 Systematic Review • 43 trials of 72 exercise treatments • Improvement seen esp. with • High-dose exercise programs • Interventions that included conventional care • Stretching and strengthening demonstrated the largest improvements. (vs passive treatments) Ann Intern Med 142(9): 776-85, 2005

  39. Low back pain - Exercise Rx • BMJ study 1995 with “moderately disabled” pts. • 81 chronic LBP patients, referred from ortho • Control – home exercises + ref’d to back school • Intervention – above + 8 exercise classes/4 wks • Two hour sessions • Warm up, stretching • 15 systematic progressive exercises • Lite aerobic activity and stretching • Signif. improvements in pain reduction, self-efficacy, and walking distance noted at 4 weeks, and 6 month f/u Frost, H, et al. 1995 BMJ 310(6973): 151-4.

  40. Low back pain - Exercise Rx • Study by Carpenter & Nelson, 60 pts considering neurosurgery • 10 week back-strengthening program • Progressive resistance exercise • Isolated lumbar extensions (with pelvis neutral) • One set of 8-15 reps to volitional fatigue 1x/week • 57/60 pain-free, no longer needed surgery! Med Sci Sports Exerc 1999 31(1): 18-24.

  41. Best outcomes achieved when these 4 elements included: Individualized regimens Stretching Strengthening Supervision Best outcomes for exercise therapy Hayden, Van Tulder et al. Ann Int Med 142:776, 2005

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