evaluation and management of low back pain in the adolescent koe… · evaluation and management of...
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Evaluation and Management of Low Back Pain in the
Adolescent Michael C. Koester, MD, ATC
January 31st, 2011 Chair, NFHS Sports Medicine Advisory Committee Chair, OSAA Medical Aspects of Sports Committee
Director, Slocum Sports Concussion Program Slocum Center for Orthopedics and Sports Medicine
Eugene, OR
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Low Back Pain
Common in adults Uncommon in children Think bad!! Anecdotal medicine for me
Adolescents Up to 40% of teens
10% affecting quality of life scores Arch Peds 2009
Evaluation depends upon history and activity level
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Low back pain
14 year old boy Sedentary Worse with sitting Night pain? Neuro?
Exam Neuro, extension, hamstrings, cutaneous abnormalities
Imaging Plain films- 2V
Treatment PT Ice/Heat/Analgesics/Home program
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Low back pain
15 yo female gymnast with back pain x 2 months
Worse with running Occ pain at school
Diff dx: Disc “mechanical” LBP Spondy Sacral stress fx Tumor Kidney/GYN
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Low back pain
History Sudden onset Increase with activity
Phys exam: Tight hams Pain with ext both standing and prone Tender over L5
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Low back pain
Diagnostic Testing? Plain films- 2V vs 5V MRI SPECT CT
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Spondylolysis
Fracture of the pars interarticularis
Common injury in adolescent athletes Acute vs. chronic
Difficult to diagnose, explain and treat!!
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Spondylolysis Prevalence of 6% of in general population (walking)-
Fredrickson, et al 1984. Cause of back pain in 50% of adolescent athletes-
Micheli and Wood, 1995. Stork test- 50% sens/spec-
Masci et al 2006.
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Spondylolysis- Imaging
Plain films 30-40% sensitive, no advantage to obliques 39 of 40 lesions seen on MRI that were seen on CT and
SPECT but only 29 of 40 graded correctly- Campbell et al, 2005.
20% of lesions missed on MRI compared to SPECT- Masci et al, 2006.
Approx 80% at L5
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Spondylolysis- Management
Treatment Brace or no brace? Activity restriction
Bracing Biomechanics Many patients showed increased intervertebral
motion- Calmels and ayolle-Minon, 1996.
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Outcomes What are we trying to achieve? Pain-free activity, bone healing, or both? Meta-analysis- JPO, 2009 83.9% treatment success- no difference between
bracing and not bracing (no Level 1 evidence) Healing depends upon stage and uni or bi
71% unilateral 18% bilateral Acute- 68% Progressive- 28% Terminal- 0
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What I do- ABM SPECT and CT
1. If positive SPECT, neg CT- PT and no sports x 12 weeks 2. If positive SPECT, pos CT- same, unless shows more sclerotic
lesion may RTP earlier if no pain 3. If neg SPECT, pos CT- PT and sports depending upon pain 4. If neg SPECT, neg CT- PT and sports depending upon pain
If still having pain after 6 weeks PT- consider brace in 1 and 2, MR in 3 and 4.
If still having pain after 12 weeks PT- consider bone stim in 1 and 2, ref to physiatrist in 3 and 4- is that the pain source?
No follow-up imaging if asymptomatic
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Spondylolysthesis
May be incidental finding
Treat Grade 1 and 2 similar to spondylolysis
No pain=no slip Beware lesions
above and below
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Upper back pain
Most commonly see in pre-adolescent and adolescent girls Upper trap Low trap/rhomboid
Exam Tender/knotted muscles, tender coracoid process Scap winging?
Imaging Often none
Posture, posture, posture PT Posture cues Patience
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Conclusion
Eval and management varies greatly between athletes and non-athletes
Early imaging leads to proper diagnosis and active management
Long-term benefits not completely certain at this point
Delay imaging in the non-athlete unless worrisome symptoms or exam findings