back pain in children & adolescents · 2017. 6. 10. · 16 yo fb, track, low back pain ... •...
TRANSCRIPT
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Back Pain in Children & Adolescents
Jorge E. Gomez, MD
Associate Professor
Baylor College of Medicine
Texas Children’s Hospital
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Agenda
• Common causes of back pain in children & adolescents
• Importance of the neurological exam
• Differences between children & adults
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History• Where?
• When?
• How (mechanism or associated activity)?
• How bad? (0-10)
• How bad? (0-10)
• Radiation?
• Better with?
• Worse with?
• Sleep position?
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Back Examination• Inspection – posture, curvature, shoulder height, handedness
• Palpation – spinous processes, SI joints, paraspinous mm
• ROM – flex, ext, rot, bending
• Adam’s forward bend test – scoliosis, “false ankylosis”
• Extension maneuvers – single-leg hyperextension,
quadrant test
• Sciatica – straight-leg raise, popliteal angle
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Posture Progression
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Thoracic Back Pain
• Common in teens
• Rule out scoliosis, get
X-rays, assess neuro
• Usually related to poor posture,
fatigue, weak core
• Analgesics, rest (sleep), PT,
activity mod, posture training
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16 yo FB, Track, Low Back Pain
• Injured back doing pole vault “on the way up”
• Severe low back pain, 9/10
• No rad
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Physical Exam• TTP L4-5 midline & paraspinous
• + pain with extension,
less with flexion
• + single-leg hyperext test,
R > L, + quadrant test R > L
• Tight hamstring R > L
• Normal neuro exam
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DDX Low Back Pain• Mechanical Low Back Pain
• Spondylolysis, spondylolisthesis
• Herniated lumbar disk
• Disciitis
• Spinous process fracture
• Other – ostemo, pelvis disease (fem)
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Spondylolysis
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Spondylolysis
Wiltse-Newman Classification
Type I • Dysplastic
• Secondary to congenital abnormalities of lumbosacral articulation
including maloriented or hypoplastic facets, sacral deficiency,
poorly developed pars
• Posterior elements are intact (no spondylolysis)
• More significant neurologic symptoms
Type II-A • Isthmic - Pars Fatigue Fx
Type II-B • Isthmic - Pars Elongation due to healed stress fx
Type II-C • Isthmic - Pars Acute Fx
Type III • Degenerative
Type IV • Traumatic
Type V • Neoplastic
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Imaging
• Rarely seen
on AP, lateral
• More likely to see
on oblique views
• Bone scan is
imaging of choice
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Spondylolisthesis –
Meyerding Classification
Grade I < 25%
Grade II 25-50
Grade III 50-75%
Grade IV 75-100%
Grade V Spondylo-ptosis
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Spondylolysis Treatment
• Widely varying opinions on treatment
• Very little good evidence
• Rad studies seem to indicate more rapid
resolution with bracing
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Spondy Treatment w/Brace• Complete Rest & 23/7 brace
until pain minimal with ADL’s
• PT to slowly regain strength, flexibility, postural control, balance
• Gradually diminish brace wear while increasing activity until jogging tolerated in brace without pain
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Mechanical Low Back Pain• a.k.a “facet syndrome” – probable
irritation of facet joints from
repetitive hyperextension
• Presentation similar to
spondylolysis except
negative imaging
• Associated with tight hip flexors,
hamstrings, weak core
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Mechanical Low Back Pain
Treatment
• Rest
• Improving hamstring & hip flexor tightness (PT)
• Improving core stability
• Avoiding hyperextension
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17 yo FB, LBP with Squat Lifting
• Low lumbar pain, sudden onset, 9/10
• Some radiating into R leg to knee
• Better with rest, prone position
• Poor pain control
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Herniated Lumbar Disk
• Presents very similarly to HNP in adults
• May or may not have true sciatica
• More painful with flexion
than extension
• Disk rupture unusual in teens
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MRI HNP
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Treatment HNP Teens• Rest
• Analgesics
• Oral steroids
• Lumbar support
• PT: McKenzie extension exercises & core strength
• Return to normal activity – avoid power lifts, 1 RM (“maxing out”)
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16 yo VB Player• R low back pain, SI joint, up to 8/10
• Insidious onset x 2 mo.
• Not worse with activity
• Night pain
• Better with ibuprofen
• PE – SI joint TTP, normal ROM,
absent Achilles reflex
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Neurological Examination
• Motor – MMT
• Sensation – LT both sides
• Reflexes – Patellar, Achilles, umbilical, anal
• Must document neurological exam
• Abnormal neurological exam suggest discopathy, myelopathy, extrinsic nerve impingment
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16 yo with Low Thoracic Back Pain
• Insidous onset x 2 months
• Better with rest, worse with activity
• Interfering with sleep
• PMHX: substance abuse, suicide attempt,
juvi
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16 yo Thoracic Back Pain – PE
• Mild asymmetrical paraspinous mm spasm, tender
• Poor posture, good ROM, tight hamstrings
• Reflexes difficult to elicit but symmetrical
• X-rays normal
• Rest, analgesics, back & hamstring stretching,
f/u 2 weeks
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Comparison of Back Pain,
Children vs AdultsRank Children Adults
1 Lumbar strain Lumbar strain
2 Spondylolysis Lumbar disk
3 Mechanical LBP DJD
4 Lumbar disk Fracture
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#1 Cause of Debilitating Back Pain
in Adults (Family Practice)• Job dissatisfaction
• NEVER attribute back pain in a child to malingering, school avoidance, depression (don’t blow it off)
• Children & teens ALWAYS have a mechanical reason for their back pain
• The younger the child with back pain, the more likely it is something serious
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Summary• Take a good history
• Do a thorough neurological exam
• Select imaging carefully according to your ddx
• Most young people with back pain are able to return to their sport
• Children & teens always have a reason to have back pain
• The younger the child, the higher likelihood of serious pathology
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