Thoracic Outlet Syndrome - c.ymcdn.com · Thoracic Outlet •Triangular space between the anterior...
Transcript of Thoracic Outlet Syndrome - c.ymcdn.com · Thoracic Outlet •Triangular space between the anterior...
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Thoracic Outlet
Syndrome
Physical Therapy Examination & Intervention
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Kevin Lawrence, PT, MS,
DHS, OCS
Associate Professor
Tennessee State University
Tennessee Physical Therapy
Association
Spring 2016
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Derek Charles, PT, DPT,
PhD(c) OCS, COMT
Assistant Professor of
Physical Therapy
Tennessee Physical Therapy
Association
Spring 2016
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Thoracic Outlet
• Triangular space between the anterior
scalene anteriorly, middle scalene
posteriorly and first rib inferiorly
• The brachial plexus passes through at the
root (C5-T1) and trunk level & subclavian
artery
• Subclavian vein and lymphatic vessel pass
anterior to anterior scalene
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TOS Anatomy
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Brachial Plexus
• Roots
• Trunks
• Divisions
• Cords
• Branches
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Signs & Symptoms
• Local lateral neck or chest pain
• Upper Extremity:
– Pain
– Paresthesia
– Muscle weakness
– Diminished blood flow
– UE may be swollen, cold, blue
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Rule out
• Cervical disc
• Cervical OA
• Peripheral nerve entrapments
• CNS involvement
• Shoulder pathologys
• Raynauds
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Types of TOS
• First Rib Syndrome
• Scalene Syndrome
• Costoclavicular Syndrome
• Pectoralis Minor Syndrome
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First Rib Syndrome
• Elevation of the first rib resulting in
pressure on the lower nerve roots & trunks
of brachial plexus and vascular structures
• Paresthesia will primarily be in the C8, T1
regions (medial arm, forearm & hand)
• Muscle weakness C8, T1 muscles (thumb
ext, FDS, FDP, finger abd/add)
• Possible edema, cold extremity,
diminished pulse
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Scalene Syndrome
• Hypertrophy of the scalenes resulting in
pressure on the upper nerve roots
• Paresthesia primarily in C5, C6 regions
(lateral arm, forearm & hand)
• Muscle weakness primarily C5, C6
(shoulder abd, ER, scapula retractors)
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Costoclavicular Syndrome
• Retraction of the clavicle compressing the
clavicle against the first rib and
compressing the subclavian vein &
lymphatics, and posssibly the anterior
scalene effecting all or some of the nerve
roots
• Edema, cold extremity, pain, paresthesia
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Pectoralis Minor Syndrome
• Tightness of pec minor compressing the
cords & branches (terminal nerves) of
brachial plexus and vascular supply
• Pain paresthesia to any or all regions of
the UE
• Muscle weakness to any except nerves
that have already come off
• Diminished blood flow – edema, cold
extremity
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Other sources of TOS
• Cervical rib – rib attached to C7 or extra
long transverse process of C7
• Fibrous bands from C7 to first rib
• Clavicle or first rib fractures
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Cervical Rib
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Fibrous Bands
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First Rib Fracture
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Clavical Fracture
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Surgical Interventions
• Resection of first rib
• Resection of cervical rib
• Scalenectomy – anterior and/or middle
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History of TOS Patient
• Trauma or unknown etiology
• Pain and paresthesia of upper extremity
• With or without cervical pain
• Swimmers, weightlifters, quadrapalegics,
CP, CVA, cervical trauma, poor posture
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Examination
• Postural exam
• Upper Quarter Screen
• Cervical exam
• Special tests
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Upper Quarter Screen
• Document any:
• Sensory deficits
• Motor deficits
• Reflexes
• Diminished ROM – cervical, thoracic,
shoulder
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Special Tests
• Hyperabduction test
• Roo’s test
• First rib spring test
• Scalene cramp test
• Military test
• Wrights maneuver
• Adson’s test
• Palpation of scalenes
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Hyperabduction Test
• Patient in sitting
• Holds arms in shoulder abduction and
external rotation (1 min)
• Examiner palpates radial pulse
• + diminished or occluded pulse &/or
reproduction of distal symptoms
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Hyperabduction Test
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Roo’s Test
• Patient in sitting
• Holds arms in shoulder abduction and
external rotation then rapidly open and
close hands (1 min) (3 min)?
• + reproduction of distal symptoms
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Roo’s Test
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First Rib Spring Test
• Patient supine with head SB toward side
being tested
• Press down into first rib (toward opposite
hip)
• + increase distal symptoms or decrease
distal symptoms
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First Rib Spring Test
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Scalene Cramp Test
• Patient in sitting - turn head to side being
tested and pull chin toward clavicle
contracting scalenes
• + reproduction of distal symptoms
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Scalene Cramp Test
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Military Test (costoclavicular)
• Patient in sitting
• Patient is asked to maximally retract
scapula and hold (1 min)
• Examiner palpated radial pulse
• + change in pulse, hand appears blue, or
reproduction of paresthesia
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Military Test
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Wrights maneuver
• Patient in sitting
• Patient abducts and externally rotates
shoulder
• Examiner palpates radial pulse
• + reproduction of paresthesia and/or
diminished pulse
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Wright’s Maneuver
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Wright’s Maneuver
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Wright’s Maneuver
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Adson’s Test
• Patient in sitting
• Patient asked to take a deep breath and
hold, extend cervical spine and side bend
toward side being tested
• Palpate radial pulse and have patient
abduct and externally rotate UE
• + diminished pulse and/or reproduction of
paresthesia
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Adson’s Test
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Adson’s Test
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Palpate Scalenes
• Scalenes – posterior to clavicle & SCM, on
top of first rib then have patient take short
breaths
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Palpate Scalenes
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Interventions
• Mobilization of first rib
• Scalene stretch
• Pectoralis minor stretch
• Postural correction exercises
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Mobilize First Rib
• Patient supine with head side bent toward
effected side
• Press first rib inferior toward opposite hip
• Low grades or high grades?
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Mobilize First Rib
• Highly Irritable – low grade gentle
oscillations
• Stiff & Tight – higher grade osillations or
sustained hold
• Stuck in elevated position - thrust
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Mobilize First Rib
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Self Mobilization 1st Rib
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Scalene Stretch
• Hold first rib down
• Side bend head away
• Don’t loose hold on first rib
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Scalene Stretch
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Scalene Stretch
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Pectoralis Minor Stretch
• Patient supine
• Hold down ribs 3-5
• Push scapula posteriorly
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Pectoralis Minor Stretch
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Pectoralis Minor Stretch
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Interventions
• Interventions also need to address:
• Postural deficits
• Cervical & Thoracic spine ROM deficits
• Shoulder complex ROM deficits
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Postural Correction Exercises
• Especially in sitting address:
• Forward head
• Protracted scapula
• Thoracic kyphosis
• Work station corrections
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•Questions?