regional adult orthopaedics Flashcards
the majority of cases of lumbar spine pain are….
mechanical back pain
non-pathological causes of back pain include
obesity
lack of physical activity
awkward twisting/poor lifting technique
what is spondylosis?
intervertebral discs lose their water content with age resulting in less cushioning and increased pressure on the facet joints leading to secondary OA
why is bed rest not advised in mechanical back pain
it will lead to stiffness and spasm of the back which may exacerbate disabilty
what are some examples of secondary gain or behavioural issues to consider when offering treatment for mechanical back pain
disability allowance appeal
compensation claim
psychological dysfunction
who would be suitable for spinal stabilisation for mechanical back pain
if a single level is affected
instability
AND hasnt improved with conservative management
what is an acute disc tear
the outer annulus fibrosis tears
what is the cahracteristic pain presenation in an acute disc tear
the pain is worse on coughing
how long do symptoms from an acute disc tear take to settle
2-3 months
acute disc tear treatment
analgesia and physio
pathophysiology of radiculopathy
the gelatinous nucleus pulposis cna herniate through a disc tear
the disc material can impinge an exiting root nerve reu;ting in pain and altered sensation in a dermatomal distribution and reduced power in a myotomal distribution
nerve roots involved in sciatica?
L4, L5 and S1
how is radicular pain described?
neuralgic burning or severe tingling, often like severe tootchache radiating down the back of the thigh to the below the knee
how can OA cause nerve root symptoms?
osteophytes can impinge on exiting nerve roots
what is spinal stenosis
narrowing of the sapces within the spine, which can impinge nerve roots
what can cause spinal stenosis
spondylosis
bluging discs
bulging ligamentum flavum
osteophytes
what is a common symptom of spinal stenosis
claudication
how does claudication in spinal stenosis vary from claudication in PAD
the distance is inconsistent
the pain is buring, rather than cramping
pain is less when walking uphill (spine flexion creates more space for the cauda equina)
pedal pulses are preserved
management of spinal stenosis
intial - physio and weight loss
if conservative fails, decompression surgery
what is cauda equina syndrome
compression of all the nerve roots of the cauda equina
why is cauda equina syndrome a surgical emergency?
the sacral nerve roots (mainly S4 and S5) control defaecation and urination
prolonged compression can cause permanent nerve damage requiring colostomy and urinary diversion
signs of cauda equina syndrome
bilateral leg pain
paraesthesiae
numbness
saddle anasthesia (numbness arounf the sitting area and perineum)
altered urinary function (retention/incontence)
faecal incontinence/constipation
a patient presents with bilateral leg pain and altered bladder/bowel function
whats up?
cauda equina syndrome
which examination is mandaotory in cauda equina syndrome
PR exam
cauda equina syndrome investigations
urgent MRI to determin the level of prolapse
cauda equina syndrome treatment
urgent discectomy
what are the ‘red flags’ for back pain
back pain in the youger patient <20
new back pain in the older adult <60
constant, severe pain thats worse at night
systemic upset
why is back pain the young patients a red flag
high risk of infection (OM, discitis)
peak of of spondylolisthesis is adolescence
higher risk of benign and malignant primary bone tumours
why is new back pain in the older patient a red flag
higher risk of metastatic disease and myeloma
why is constant, severe, worse at night back pain a red flag
suggests tumour or infection
why is systemic upset a red flag for back pain
may suggest tumour or infection
signs of spontaneous crush fracture in osteoporosis
acute pain
kyphosis
cervical spondylosis presentation
slow onset stiffness
pain (can radiate to shoulders and the occiput)
cervical spondylosis treatment
physio and analgesics
cervical nerve root compression presentation
shooting neuralgic pain down a dermatomal distribution woth weakness and loss of reflexes depending on the nerve root affected
2 conditions that can result in cervical spine instability
RA
down syndrome
what does RA cause atlanto-axial instability
destruction of the synovial joint between the atlas and the dens and rupture of the transverse ligament
complications of cervical spine instability
subluxation of the atlanto-axial joint leading to cord compression and death
cervical spine instability in RA treatment
less severe - collar to prevent flexion
more severe - surgical fusion
the shoulder girdle is made up of
scapula
clavicle
proximal humerus
supporting muscles (eg deltoid, SITS)
what are the rotator cuff muscles
supraspinatus
infraspinatus
teres minor
subscapularis
where do supraspinatus, infraspinatus and teres minor attach on the humerus?
greater tuberosity
action of supraspinatus
initiation of abduction
action of infraspinatus
external rotator
aaction of teres minor
external rotator
subscapularis attachment to the humerus
lesser tuberosity
action of subscapularis
internal rotation
collective action of the rotator cuff muscles
pull the humeral head into the glenoid to provide a stable fulcrom for the deltoid to abduct the arm
shoulder problem in a young adult?
instability
shoulder pain in a middle aged patient?
cuff tear
‘grey hair, cuff tear’
frozen shoulder
shoulder pain in the elderly?
OA
why does impingement syndrome (painful arc) cause pain
tendons of the rotator cuff (predominantly supraspinatus) are compressed in the tight subacromial space during movement producing pain
impingement syndrome presentation
painful arc between 60-120 degrees
pain radiates to deltoid and upper arm
causes of impingement (painful arc)
tendonitis
subacromial bursitis
acromioclavicular OA with inferior osteophyte
a hooked acromion
rotator cuff tear
which clinical test can help diagnose impingement
hawkins kennedy test
conservative treatment of impingement syndrome
NSAIDs, analgesics, physio and subacromial injection of steroid
how many subacromial injections can be administered in painful arc/impingement
up to 3 injections
surgical treatment of impingement syndrome
subacromial decompression surgery (open or arthroscopic)
a sudden jerk in a patient >40, with subsequent pain and weakness is a typcial history of
rotator cuff tear
which rotator cuff tendon is most commonly involved in rotator cuff tears
supraspinatus
signs of rotator cuff tear
weakness of initiation of abduction (supraspinatus)
weakness of internal rotation (subscapularis)
weakness of external rotation (infraspinatus)
wasting of supraspinatus
rotator cuff tear investigation
USS or MRI
surgical treatment of rotator cuff tear
rotator cuff repair with subacromial decompression
difficulties with rotator cuff repair surgery
the tendon is usually diseases and failure of repair occurs in 30% of cases
large tears may be irrepairable
non-operative management of rotator cuff tear
physiotherapy to strengthen remaining muscles
subacromial injections
what is adhesive caspulitis also known as
frozen shoulder
frozen shoulder presentatio
pain, which will subside (after 2-9/12) as stiffness increases (4-12/12)
stiffness eventually thaws over time
a disorder characterised by progressive pain and stiffness of the shoulder in patients between 40 and 60, resolving after around 18-24 months
frozen shoulder
the principal clinical sign of frozen shoulder is
loss of external rotation
(alonf with restriction of other movements)
frozen shoulder is linked to diabetes
true/false
true
frozen shoulder treatment
pain relief and prevention of further stiffening while the condition naturally resolves
physio and analgesics
IA injections may help relieve pain
surgical options for frozen shoulder
manipulation uner anaesthetic (tears capsule)
sirgical capsular release (arthroscopic)
calcium depostion in the supraspinatus tendon, see on xray just proximal to the greater tuberosity
actue calcific tendonitis
acture calcific tendonitis presentation
acute onset severe shoulder pain
acute calcific tendonitis treatment
subacromial steroid and local anaesthetic injection
what are the two sub-type of shoulder instability
traumatic and atraumatic
what is shoulder instability
painful abnormal translation movement
subluxation
recurrent dislocation
what is a bankart repair
stabilises the shoulder by reattaching the labrum and capsule to the anterior glenoid
(was unattached due to trauma from initial dislocation)
which conditions cause generalised ligamentous laxity
marfan’s, ehlers-danlos
referred pain in the shoulder
neck problems
angina pectoris
diaphragmatic irritation (biliary colic, hepatic or subphrenic abscess)
what is the carpal tunnel formed by
the carpal bones and the flexor retinaculum
what passes through the carpal tunnel
the median nerve and 9 flexor tendons
(FDS and FDP to 4 digits + FPL)
what causes carpal tunnel syndrome
any swelling within the carpal tunnel can result in median nerve compression
causes of carpal tunnel syndrome
idiopathic
RA (synovitis)
fluid retention (pregnancy, diabetes, chronic renal failure, hypothyroid)
wrist fractures
carpal tunnel syndrome presentation
paraesthesiae in the thumb and radial 2 1/2 fingers
usually worse at night
loss of sensation
weakness of thumb or clumsiness in areas supplied by median nerve
signs of carpal tunnel syndrome
loss of sensation/wasting of thenar eminence
replication of symptoms on tinel’s or phalen’s test
what is tinel’s test
percussing over median nerve (or ulnar nerve in cubital tunnel syndrome)
what is phalen’s test
holding the wrists hyperflexed to decrease the space in the carpal tunnel
non-operative treatment of carpal tunnel
wrist splints at night to prevent flexion
injection of corticosteroid
surgical treatment of carpal tunnel syndrome
division of the transverse carpal ligament under local anaesthetic
what is cubital tunnel syndrome
compression of the ulnar nerve at the elbow behind the medial epicondyle (funny bone area)
weakness of the ulnar nerve may be apparent in which muscles
1st dorsal interosseous (abduction of the index finger)
adductor pollicis
cubital tunnel syndrome presentation
paraesthesiae of the ulnar 1 1/2 fingers
what is froment’s test
ulnar nerve damage leads to adductor pollicis brevis paralysis, leading to excess thumb flexion when pinching
causes of cubital tunnel syndrome
osborne’s fascia (tight band of fascia forming the roof of the tunnel)
tightness at the intermuscular septum as the nerve passes through or between the two heads at the origin of flaxor carpi ulnaris
which two joints make up the elbow
humero-ulnar
radio-capitallar
which muscle extends the elbow
triceps
which muscles flex the elbow
brachialis and biceps
what is the common extensor origin for the elbow
lateral epicondyle
elbow common flexor origin
medial epicondyle
supination is performed by
biceps and supinator muscles
pronation is performed by
pronator teres (proximally)
pronator quadratus (distally)
what is tennis elbow also known as
lateral epicondylitis
clinical features of lateral epicondylitis
painful and tender lateral epicondyle
pain on resisted middle finger and wrist flexion
treatment of lateral epicondylitis
period of rest from activites that exacerbate pain
physiotherapy
NSAIDs
steroid injections
use of a brace