Common Spine Disorders
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Transcript of Common Spine Disorders
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Common Conditions of the Spine
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Learning Objective
Given a scenario describing a patient with symptoms suggestive of an orthopedic or musculoskeletal condition, formulate a treatment plan after ordering and interpreting diagnostic tests and making a preliminary diagnosis.
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Learning Objective
Identify the etiology, clinical presentation, lab/radiologic studies, evaluation, and treatment for the following spine conditions: Back Strain/Sprain Ankylosing Spondylitis Cauda Equina
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Learning Objective
Identify the etiology, clinical presentation, lab/radiologic studies, evaluation, and treatment for the following spine conditions: Herniated Nucleus Pulposus (HNP) Spinal Stenosis Kyphosis/Scoliosis Low Back Pain (LBP): Spondylolysis,
Spondylolisthesis
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Disorders Of The Back/Spine
Back Strain/Sprain Ankylosing Spondylitis Cauda Equina Herniated Nucleus Pulposus (HNP) Spinal Stenosis Kyphosis/Scoliosis Low Back Pain (LBP): Spondylolysis,
Spondylolisthesis
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Back Strain/Sprain
LBP is the most frequent cause of lost work time and disability in adults <45 years
Most symptoms of limited duration
85% of patients improve and returning to work within 1 month
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Back Strain/Sprain
The 4% of patients whose symptoms persist longer than 6 months generate 85% to 90% of the costs to society for treating low back pain
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Back Strain/Sprain
By strict definition, a low back sprain is an injury to the paravertebral spinal muscles. However, the term also is used to describe ligamentous injuries of the facet joints or annulus fibrosus
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Back Strain/Sprain
Repeated lifting and twisting or operating vibrating equipment most often precipitates a back sprain
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Back Strain/Sprain
Other risk factors include poor fitness, poor work satisfaction, smoking, and hypochondriasis
Recurrent episodes are separated by many months or years; more frequent recurrences suggest degenerative disk disease
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Back Strain/Sprain – Clinical Symptoms
Patients report the acute onset of low back pain, often following a lifting episode
Lifting may be a trivial event, such as leaning over to pick up a piece of paper
Pain often radiates into the buttocks and posterior thighs
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Back Strain/Sprain – Clinical Symptoms Patients may have
difficulty standing erect, may need to change position frequently for comfort
Condition often first occurs in the young adult years
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Back Strain/Sprain
Clinical Symptoms - First Major Episode May show signs of nonorganic behavior,
such as exaggerated responses, generalized hypersensitivity to light touch, or facial grimacing
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Physical Examination
PE reveals diffuse tenderness in the low back or sacroiliac region
ROM of the lumbar spine, particularly flexion, is typically reduced and elicits pain
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Physical Examination
The degree of lumbar flexion and the ease with which the patient can extend the spine are good parameters by which to evaluate progress
The motor and sensory function of the lumbosacral nerve roots and lower extremity reflexes are normal
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Back Strain/Sprain
Diagnostic Tests Plain radiographs
usually are not helpful for patients with acute low back strain, as they typically show changes appropriate for their age
??
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Back Strain/Sprain
Diagnostic Tests (cont’) Adolescents/young adults,
have little or no disk space narrowing. Adults older than age 30 years, have variable disc space narrowing and/or spurs
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Back Strain/Sprain
Diagnosis For patients with atypical symptoms, such as
pain at rest or at night or a history of significant trauma, AP and lateral radiographs are necessary
These views help to identify or rule out infection, bone tumor (visualize up to T10), fracture, or spondylolisthesis
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Back Strain/Sprain
Differential Diagnosis Ankylosing spondylitis (family history, morning
stiffness, limited mobility of lumbar spine) Drug-seeking behavior (exaggerated
symptoms, inconsistent and nonphysiologic examination)
Extraspinal causes: ovarian cyst, nephrolithiasis / pancreatitis/ ulcer disease
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Back Strain/Sprain
Differential Diagnosis Fracture of the vertebral body (major trauma
or minimal trauma with osteoporosis) Herniated nucleus pulposus or ruptured disc
(unilateral radicular pain symptoms that extend below the knee and are equal to or greater than the back pain)
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Back Strain/Sprain
Differential Diagnosis Infection [fever, chills, sweats, elevated
erythrocyte sedimentation rate (ESR)] Myeloma (night sweats, men older than
age 50 years)
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Back Strain/Sprain-Treatment
Focuses on relieving symptoms, period of bed rest (1 to 2 days) NSAIDs, other non-narcotic pain medications (7 to 14 days)
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Back Strain/Sprain-Treatment
Muscle relaxants may be helpful in the first 3 to 5 days, but narcotic analgesics/sedatives should be avoided
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Back Strain/Sprain - Treatment
Treatment Couple medications with reassurance Once the acute pain has diminished, emphasize
aerobic conditioning and strengthening regimens
Goal is to assist patient in returning to normal activity within 4 weeks
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Ankylosing Spondylitis
Bamboo Spine
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Ankylosing Spondylitis
Men 3rd to 4th decade
of life Insidious onset of
back and hip pain Morning stiffness + HLA-B27
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Ankylosing Spondylitis
Progressive spinal flexion deformities (may progress to a chin-on-chest deformity)
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Ankylosing Spondylitis
Spine becomes rigid (ankylosed)
Bilateral Sacroiliitis
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Ankylosing Spondylitis
Systemic: Pulmonary fibrosis Iritis Aortitis Colitis Arachnoiditis Amyloidosis Sarcoidosis
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Ankylosing Spondylitis - Treatment
Physical Therapy NSAIDs, Tylenol or ASA Hip-THA Spine-Corrective
osteotomies for flexion deformities
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Neurological Syndromes
44 yo F w/ 2 yr h/o LBP but new bilateral sciatica, saddle numbness
Onset: p moving furniture
PE: distressed; sensory loss L5-S4 (anal area); weakness in feet DF/PF
W/U: emergent MRI & surgical referral DX: ?
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Cauda Equina Syndrome
Distal end of the spinal cord, the conus medullaris, terminates at the Ll-2 level
Below this, spinal canal is filled with L2-S4 nerve roots, known as the cauda equina
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Cauda Equina Syndrome
Compression of roots distal to the conus causes paralysis without spasticity
RARE : <1-2% of HNP or spinal masses L5/S1 is the most common level Involves bilateral sacral roots
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Cauda Equina Syndrome
A massive central herniation of a lumbar disc that presents with
Bilateral sciatica +/- foot weakness Progressive motor weakness and numbness Saddle anesthesia (buttock anesthesia) Loss of bowel and bladder control
This represents a surgical emergency!
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Herniated Nucleus Pulposus (HNP) of the Lumbar Spine
Displacement of the central area of the disc (nucleus) resulting in impingement on a nerve root
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HNP of the Lumbar Spine
Classification based on degree of disc displacement
Most commonly involves the L4-5 disc (L5 nerve root)
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Disc Pathology
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HNP of the Lumbar Spine
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HNP of the Lumbar Spine
History Radicular leg pain May also have lower back pain
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HNP of the LS – Physical Findings
Motor weaknessL4 nerve root—tibialis anterior weaknessL5 nerve root—extensor hallicis longus weaknessS1 nerve root--achilles tendon weakness
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HNP of the LS – Physical Findings
Physical findings cont’d: Asymmetric reflexes
Knee jerk (L4) Tibialis Posterior or Medial Hamstring tendon
reflex (L5) Ankle jerk (S1)
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HNP of the Lumbar Spine
Sensory findings Light touch Sharp Dull
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HNP of the Lumbar Spine Positive tension
signs Straight Leg
Raise (Supine & Sitting)
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HNP of the Lumbar Spine
Diagnostic tests Magnetic resonance
imaging (MRI) Myelography Electromyography/
nerve conduction studies
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HNP of the Lumbar Spine
Treatment (most sxs resolve with time)
Symptomatic Physical therapy NSAIDs, Tylenol or
ASA Aerobic
conditioning Lumbar epidural steroids
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Neurological Syndromes 71 yo M w/ long ho LBP & 6 mos. R buttock
> calf pain w/ vague numbness
Worse: Standing, walking
Improves: Stooping, sitting, forward bending DX: ?
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Spinal Stenosis
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HNP/Spinal Stenosis Comparisons
HNP vs Stenosis Age: 30-50 vs >50 Sciatica: Classic for HNP vs Atypical for
Stenosis Aggravated: Flexion/Sitting vs
Extension & Standing
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HNP/Spinal Stenosis Comparisons
HNP vs Stenosis (cont’) Nerve Tension Signs (SLR): Usual vs
Unusual Prognosis: Worse, More Chronic in
Stenosis
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HNP and Spinal StenosisTreatment
NSAIDs (COX-2 inhibitors), Tylenol or ASA
“Muscle relaxants” Narcotics Tramadol [generic] Corticosteriods
(including spinal injections)
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HNP/Spinal Stenosis Treatment
Decompression Laminectomy Foraminotomy Fusion
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Kyphosis
Defined: abnormally increased convexity in the curvature of the thoracic spine as viewed from side
Scheuermann’s Disease Hyperkyphosis that does not
reverse on attempts at hyperextension
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Scheuermann’s Disease
Most common in adolescent males
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Scheuermann’s Disease
Dx made by X-ray 45 degrees With 5 degrees or more of vertebral wedging at 3 sequential vertebrae
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Scheuermann’s Disease (cont’)
Treatment Observation +/- Bracing Spinal Fusion
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Scoliosis
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Scoliosis - Defined
Lateral curvature of the spine of greater than 10 degrees, usually thoracic or lumbar, associated with rotation of the vertebrae and sometimes excessive kyphosis or lordosis
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Scoliosis
Idiopathic scoliosis Lateral deviation and
rotation of the spine without an identifiable cause
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Scoliosis
Assoc. rib hump with forward bending
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Scoliosis
Assoc. rib hump with forward bending
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Scoliosis
Curve description – curve described by its apex (position and direction [right or left] that it points to
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Scoliosis
Right thoracic curves -- apex at T7 or T8 (MC) Double major curves -- right thoracic curve with left lumbar curve Left lumbar curves, Right lumbar curves
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Scoliosis
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Scoliosis
Curve measurement
Most common method used is Cobb method
Measurements are made on standing PA X-rays
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Scoliosis
Determination of skeletal maturity Risser staging -- based on ossification of iliac
crest apophysis Risser staging is
graded 0 (least mature) to 5 (most mature)
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Scoliosis
Adolescent idiopathic scoliosis Presents between ages 10 & 18 MC form of idiopathic
Scoliosis Curve progression is
most likely with Curve > 20 degrees Age at dx < 12 Risser stage of 0 or 1
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Scoliosis
Approx. 75% with curves of 20 - 30 degrees progress at least 5 degrees
Severe curves of 90 degrees or more are assoc. with cardiac & pulmonary impairment
Left thoracic curves are rare and require eval of spinal cord with MRI
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Scoliosis
Treatment options include:
Observation
Bracing
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Scoliosis
Surgery Based on likelihood of curve progression Curve Magnitude Age at DX Skeletal Maturity Presence of Menarche Curve progression during observation period
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Scoliosis
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Scoliosis
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Scoliosis
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Scoliosis
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Scoliosis
Adolescent idiopathic scoliosis is typically not painful, and the child presenting with a painful curvature should be given a thorough w/u
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Low Back Pain
Spondylolysis Defect in pars interarticularis (Unilateral) MC cause of
lower back pain in children and adolescents
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Low Back Pain
Spondylolysis Unilateral Pars defect is the result of a
fatigue fx from repetitive hyperextension
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Low Back Pain
Most common in gymnasts and football lineman
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Low Back Pain▪ Spondylolysis
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Low Back Pain
Spondylolysis Treatment Modification of activity NSAIDs, Tylenol/ASA Physical therapy
Flexibility & strengthening exercises Thoracolumbosacral orthosis
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Low Back Pain
Spondylolisthesis Bilateral Pars
Interarticularis defect Forward slippage of one
vertebra on another Usually L5-S1
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Low Back Pain
Most common in children involved in hyperextension activities
▪ Spondylolisthesis
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Low Back Pain
Spondylolisthesis Meyer Classification
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Low Back Pain
Spondylolisthesis Treatment
Modification of activity NSAIDs, Tylenol, ASA Physical therapy Flexibility & strengthening
exercises Thoracolumbosacral orthosis
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Low Back Pain
SpondylolisthesisTreatment
Severe pain not responding to non-operative management requires surgical decompression and/or stabilization
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Summary
Symptoms suggestive of an orthopedic or musculoskeletal condition, formulation of a treatment plan after ordering and interpreting diagnostic tests, and making a preliminary diagnosis
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Summary
Etiology, clinical presentation, lab/radiologic studies, evaluation, and treatment for the following spine conditions: Back Strain/Sprain Ankylosing Spondylitis Cauda Equina
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Summary
Etiology, clinical presentation, lab/radiologic studies, evaluation, and treatment for the following spine conditions: Herniated Nucleus Pulposus (HNP) Spinal Stenosis Kyphosis/Scoliosis Low Back Pain (LBP): Spondylolysis,
Spondylolisthesis
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The End